/* Copyright (c) 2006-2012 Red Hat, Inc. This file is part of GlusterFS. This file is licensed to you under your choice of the GNU Lesser General Public License, version 3 or any later version (LGPLv3 or later), or the GNU General Public License, version 2 (GPLv2), in all cases as published by the Free Software Foundation. */ #include #if defined(GF_LINUX_HOST_OS) #include #else #include "mntent_compat.h" #endif #include #if (HAVE_LIB_XML) #include #include #endif #include #include #include #include #include #include "glusterd-messages.h" #include #include #include #include #include #include #include #include #include "glusterd-mem-types.h" #include "glusterd.h" #include "glusterd-op-sm.h" #include "glusterd-geo-rep.h" #include "glusterd-sm.h" #include "glusterd-utils.h" #include "glusterd-store.h" #include "glusterd-volgen.h" #include "glusterd-pmap.h" #include #include "glusterd-syncop.h" #include "glusterd-mgmt.h" #include "glusterd-locks.h" #include "glusterd-messages.h" #include "glusterd-volgen.h" #include "glusterd-snapshot-utils.h" #include "glusterd-svc-mgmt.h" #include "glusterd-svc-helper.h" #include "glusterd-shd-svc.h" #include "glusterd-nfs-svc.h" #include "glusterd-quotad-svc.h" #include "glusterd-snapd-svc.h" #include "glusterd-bitd-svc.h" #include "glusterd-gfproxyd-svc.h" #include "glusterd-server-quorum.h" #include #include #include "glusterd-shd-svc-helper.h" #include "xdr-generic.h" #include #include #include #include #include #include #include #include #include #include #include #ifdef GF_SOLARIS_HOST_OS #include #endif #define NFS_PROGRAM 100003 #define NFSV3_VERSION 3 #define MOUNT_PROGRAM 100005 #define MOUNTV3_VERSION 3 #define MOUNTV1_VERSION 1 #define NLM_PROGRAM 100021 #define NLMV4_VERSION 4 #define NLMV1_VERSION 1 #define GLUSTERD_GET_NFS_PIDFILE(pidfile, priv) \ do { \ int32_t _nfs_pid_len; \ _nfs_pid_len = snprintf(pidfile, PATH_MAX, "%s/nfs/nfs.pid", \ priv->rundir); \ if ((_nfs_pid_len < 0) || (_nfs_pid_len >= PATH_MAX)) { \ pidfile[0] = 0; \ } \ } while (0) #define GLUSTERD_GET_QUOTAD_PIDFILE(pidfile, priv) \ do { \ int32_t _quotad_pid_len; \ _quotad_pid_len = snprintf(pidfile, PATH_MAX, "%s/quotad/quotad.pid", \ priv->rundir); \ if ((_quotad_pid_len < 0) || (_quotad_pid_len >= PATH_MAX)) { \ pidfile[0] = 0; \ } \ } while (0) gf_boolean_t is_brick_mx_enabled(void) { char *value = NULL; int ret = 0; gf_boolean_t enabled = _gf_false; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; this = THIS; priv = this->private; ret = dict_get_strn(priv->opts, GLUSTERD_BRICK_MULTIPLEX_KEY, SLEN(GLUSTERD_BRICK_MULTIPLEX_KEY), &value); if (!ret) ret = gf_string2boolean(value, &enabled); return ret ? _gf_false : enabled; } int get_mux_limit_per_process(int *mux_limit) { char *value = NULL; int ret = -1; int max_bricks_per_proc = 0; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; this = THIS; GF_VALIDATE_OR_GOTO("glusterd", this, out); priv = this->private; GF_VALIDATE_OR_GOTO(this->name, priv, out); if (!is_brick_mx_enabled()) { max_bricks_per_proc = 1; ret = 0; goto out; } ret = dict_get_strn(priv->opts, GLUSTERD_BRICKMUX_LIMIT_KEY, SLEN(GLUSTERD_BRICKMUX_LIMIT_KEY), &value); if (ret) { value = GLUSTERD_BRICKMUX_LIMIT_DFLT_VALUE; } ret = gf_string2int(value, &max_bricks_per_proc); if (ret) goto out; out: *mux_limit = max_bricks_per_proc; gf_msg_debug("glusterd", 0, "Mux limit set to %d bricks per process", *mux_limit); return ret; } int get_gd_vol_thread_limit(int *thread_limit) { char *value = NULL; int ret = -1; int vol_per_thread_limit = 0; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; this = THIS; GF_VALIDATE_OR_GOTO("glusterd", this, out); priv = this->private; GF_VALIDATE_OR_GOTO(this->name, priv, out); if (!is_brick_mx_enabled()) { vol_per_thread_limit = 1; ret = 0; goto out; } ret = dict_get_strn(priv->opts, GLUSTERD_VOL_CNT_PER_THRD, SLEN(GLUSTERD_VOL_CNT_PER_THRD), &value); if (ret) { value = GLUSTERD_VOL_CNT_PER_THRD_DEFAULT_VALUE; } ret = gf_string2int(value, &vol_per_thread_limit); if (ret) goto out; out: *thread_limit = vol_per_thread_limit; gf_msg_debug("glusterd", 0, "Per Thread volume limit set to %d glusterd to populate dict " "data parallel", *thread_limit); return ret; } extern struct volopt_map_entry glusterd_volopt_map[]; extern glusterd_all_vol_opts valid_all_vol_opts[]; static glusterd_lock_t lock; static int _brick_for_each(glusterd_volinfo_t *volinfo, dict_t *mod_dict, void *data, int (*fn)(glusterd_volinfo_t *, glusterd_brickinfo_t *, dict_t *mod_dict, void *)) { int ret = 0; glusterd_brickinfo_t *brickinfo = NULL; xlator_t *this = THIS; cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { gf_msg_debug(this->name, 0, "Found a brick - %s:%s", brickinfo->hostname, brickinfo->path); ret = fn(volinfo, brickinfo, mod_dict, data); if (ret) goto out; } out: return ret; } /* This is going to be a O(n^2) operation as we have to pick a brick, make sure it belong to this machine, and compare another brick belonging to this machine (if exists), is sharing the backend */ static void gd_set_shared_brick_count(glusterd_volinfo_t *volinfo) { glusterd_brickinfo_t *brickinfo = NULL; glusterd_brickinfo_t *trav = NULL; cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { if (gf_uuid_compare(brickinfo->uuid, MY_UUID)) continue; brickinfo->fs_share_count = 0; cds_list_for_each_entry(trav, &volinfo->bricks, brick_list) { if (!gf_uuid_compare(trav->uuid, MY_UUID) && (trav->statfs_fsid == brickinfo->statfs_fsid)) { brickinfo->fs_share_count++; } } } return; } int glusterd_volume_brick_for_each(glusterd_volinfo_t *volinfo, void *data, int (*fn)(glusterd_volinfo_t *, glusterd_brickinfo_t *, dict_t *mod_dict, void *)) { gd_set_shared_brick_count(volinfo); return _brick_for_each(volinfo, NULL, data, fn); } int32_t glusterd_get_lock_owner(uuid_t *uuid) { gf_uuid_copy(*uuid, lock.owner); return 0; } static int32_t glusterd_set_lock_owner(uuid_t owner) { gf_uuid_copy(lock.owner, owner); // TODO: set timestamp return 0; } static int32_t glusterd_unset_lock_owner(uuid_t owner) { gf_uuid_clear(lock.owner); // TODO: set timestamp return 0; } gf_boolean_t glusterd_is_fuse_available() { int fd = 0; #ifdef __NetBSD__ fd = open("/dev/puffs", O_RDWR); #else fd = open("/dev/fuse", O_RDWR); #endif if (fd > -1 && !sys_close(fd)) return _gf_true; else return _gf_false; } int32_t glusterd_lock(uuid_t uuid) { uuid_t owner; char new_owner_str[50] = ""; char owner_str[50] = ""; int ret = -1; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(uuid); glusterd_get_lock_owner(&owner); if (!gf_uuid_is_null(owner)) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_GLUSTERD_LOCK_FAIL, "Unable to get lock" " for uuid: %s, lock held by: %s", uuid_utoa_r(uuid, new_owner_str), uuid_utoa_r(owner, owner_str)); goto out; } ret = glusterd_set_lock_owner(uuid); if (!ret) { gf_msg_debug(this->name, 0, "Cluster lock held by" " %s", uuid_utoa(uuid)); } out: return ret; } int32_t glusterd_unlock(uuid_t uuid) { uuid_t owner; char new_owner_str[50] = ""; char owner_str[50] = ""; int32_t ret = -1; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(uuid); glusterd_get_lock_owner(&owner); if (gf_uuid_is_null(owner)) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_GLUSTERD_LOCK_FAIL, "Cluster lock not held!"); goto out; } ret = gf_uuid_compare(uuid, owner); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_GLUSTERD_LOCK_FAIL, "Cluster lock held by %s ," "unlock req from %s!", uuid_utoa_r(owner, owner_str), uuid_utoa_r(uuid, new_owner_str)); goto out; } ret = glusterd_unset_lock_owner(uuid); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_GLUSTERD_UNLOCK_FAIL, "Unable to clear cluster " "lock"); goto out; } ret = 0; out: return ret; } int glusterd_get_uuid(uuid_t *uuid) { glusterd_conf_t *priv = NULL; priv = THIS->private; GF_ASSERT(priv); gf_uuid_copy(*uuid, MY_UUID); return 0; } int glusterd_submit_request(struct rpc_clnt *rpc, void *req, call_frame_t *frame, rpc_clnt_prog_t *prog, int procnum, struct iobref *iobref, xlator_t *this, fop_cbk_fn_t cbkfn, xdrproc_t xdrproc) { char new_iobref = 0; int ret = -1; int count = 0; ssize_t req_size = 0; struct iobuf *iobuf = NULL; struct iovec iov = { 0, }; GF_ASSERT(rpc); GF_ASSERT(this); if (req) { req_size = xdr_sizeof(xdrproc, req); iobuf = iobuf_get2(this->ctx->iobuf_pool, req_size); if (!iobuf) { goto out; }; if (!iobref) { iobref = iobref_new(); if (!iobref) { goto out; } new_iobref = 1; } iobref_add(iobref, iobuf); iov.iov_base = iobuf->ptr; iov.iov_len = iobuf_pagesize(iobuf); /* Create the xdr payload */ ret = xdr_serialize_generic(iov, req, xdrproc); if (ret == -1) { goto out; } iov.iov_len = ret; count = 1; } /* Send the msg */ rpc_clnt_submit(rpc, prog, procnum, cbkfn, &iov, count, NULL, 0, iobref, frame, NULL, 0, NULL, 0, NULL); /* Unconditionally set ret to 0 here. This is to guard against a double * STACK_DESTROY in case of a failure in rpc_clnt_submit AFTER the * request is sent over the wire: once in the callback function of the * request and once in the error codepath of some of the callers of * glusterd_submit_request(). */ ret = 0; out: if (new_iobref) { iobref_unref(iobref); } iobuf_unref(iobuf); return ret; } struct iobuf * glusterd_serialize_reply(rpcsvc_request_t *req, void *arg, struct iovec *outmsg, xdrproc_t xdrproc) { struct iobuf *iob = NULL; ssize_t retlen = -1; ssize_t rsp_size = 0; /* First, get the io buffer into which the reply in arg will * be serialized. */ rsp_size = xdr_sizeof(xdrproc, arg); iob = iobuf_get2(req->svc->ctx->iobuf_pool, rsp_size); if (!iob) { gf_msg("glusterd", GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY, "Failed to get iobuf"); goto ret; } iobuf_to_iovec(iob, outmsg); /* Use the given serializer to translate the give C structure in arg * to XDR format which will be written into the buffer in outmsg. */ /* retlen is used to received the error since size_t is unsigned and we * need -1 for error notification during encoding. */ retlen = xdr_serialize_generic(*outmsg, arg, xdrproc); if (retlen == -1) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_ENCODE_FAIL, "Failed to encode message"); goto ret; } outmsg->iov_len = retlen; ret: if (retlen == -1) { iobuf_unref(iob); iob = NULL; } return iob; } int glusterd_submit_reply(rpcsvc_request_t *req, void *arg, struct iovec *payload, int payloadcount, struct iobref *iobref, xdrproc_t xdrproc) { struct iobuf *iob = NULL; int ret = -1; struct iovec rsp = { 0, }; char new_iobref = 0; if (!req) { GF_ASSERT(req); goto out; } if (!iobref) { iobref = iobref_new(); if (!iobref) { gf_msg("glusterd", GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY, "out of memory"); goto out; } new_iobref = 1; } iob = glusterd_serialize_reply(req, arg, &rsp, xdrproc); if (!iob) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_SERIALIZE_MSG_FAIL, "Failed to serialize reply"); } else { iobref_add(iobref, iob); } ret = rpcsvc_submit_generic(req, &rsp, 1, payload, payloadcount, iobref); /* Now that we've done our job of handing the message to the RPC layer * we can safely unref the iob in the hope that RPC layer must have * ref'ed the iob on receiving into the txlist. */ if (ret == -1) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_REPLY_SUBMIT_FAIL, "Reply submission failed"); goto out; } ret = 0; out: if (new_iobref) { iobref_unref(iobref); } if (iob) iobuf_unref(iob); return ret; } glusterd_volinfo_t * glusterd_volinfo_unref(glusterd_volinfo_t *volinfo) { int refcnt = -1; glusterd_conf_t *conf = THIS->private; pthread_mutex_lock(&conf->volume_lock); { pthread_mutex_lock(&volinfo->reflock); { refcnt = --volinfo->refcnt; } pthread_mutex_unlock(&volinfo->reflock); } pthread_mutex_unlock(&conf->volume_lock); if (!refcnt) { glusterd_volinfo_delete(volinfo); return NULL; } return volinfo; } glusterd_volinfo_t * glusterd_volinfo_ref(glusterd_volinfo_t *volinfo) { pthread_mutex_lock(&volinfo->reflock); { ++volinfo->refcnt; } pthread_mutex_unlock(&volinfo->reflock); return volinfo; } int32_t glusterd_volinfo_new(glusterd_volinfo_t **volinfo) { glusterd_volinfo_t *new_volinfo = NULL; int32_t ret = -1; GF_ASSERT(volinfo); new_volinfo = GF_CALLOC(1, sizeof(*new_volinfo), gf_gld_mt_glusterd_volinfo_t); if (!new_volinfo) goto out; LOCK_INIT(&new_volinfo->lock); CDS_INIT_LIST_HEAD(&new_volinfo->vol_list); CDS_INIT_LIST_HEAD(&new_volinfo->snapvol_list); CDS_INIT_LIST_HEAD(&new_volinfo->bricks); CDS_INIT_LIST_HEAD(&new_volinfo->ta_bricks); CDS_INIT_LIST_HEAD(&new_volinfo->snap_volumes); new_volinfo->dict = dict_new(); if (!new_volinfo->dict) { GF_FREE(new_volinfo); goto out; } new_volinfo->gsync_slaves = dict_new(); if (!new_volinfo->gsync_slaves) { dict_unref(new_volinfo->dict); GF_FREE(new_volinfo); goto out; } new_volinfo->gsync_active_slaves = dict_new(); if (!new_volinfo->gsync_active_slaves) { dict_unref(new_volinfo->dict); dict_unref(new_volinfo->gsync_slaves); GF_FREE(new_volinfo); goto out; } snprintf(new_volinfo->parent_volname, GD_VOLUME_NAME_MAX, "N/A"); new_volinfo->snap_max_hard_limit = GLUSTERD_SNAPS_MAX_HARD_LIMIT; new_volinfo->xl = THIS; glusterd_snapdsvc_build(&new_volinfo->snapd.svc); glusterd_gfproxydsvc_build(&new_volinfo->gfproxyd.svc); glusterd_shdsvc_build(&new_volinfo->shd.svc); pthread_mutex_init(&new_volinfo->reflock, NULL); *volinfo = glusterd_volinfo_ref(new_volinfo); ret = 0; out: gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } /* This function will create a new volinfo and then * dup the entries from volinfo to the new_volinfo. * * @param volinfo volinfo which will be duplicated * @param dup_volinfo new volinfo which will be created * @param set_userauth if this true then auth info is also set * * @return 0 on success else -1 */ int32_t glusterd_volinfo_dup(glusterd_volinfo_t *volinfo, glusterd_volinfo_t **dup_volinfo, gf_boolean_t set_userauth) { int32_t ret = -1; xlator_t *this = NULL; glusterd_volinfo_t *new_volinfo = NULL; this = THIS; GF_ASSERT(this); GF_VALIDATE_OR_GOTO(this->name, volinfo, out); GF_VALIDATE_OR_GOTO(this->name, dup_volinfo, out); ret = glusterd_volinfo_new(&new_volinfo); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_SET_FAIL, "not able to create the " "duplicate volinfo for the volume %s", volinfo->volname); goto out; } new_volinfo->type = volinfo->type; new_volinfo->replica_count = volinfo->replica_count; new_volinfo->arbiter_count = volinfo->arbiter_count; new_volinfo->stripe_count = volinfo->stripe_count; new_volinfo->disperse_count = volinfo->disperse_count; new_volinfo->redundancy_count = volinfo->redundancy_count; new_volinfo->dist_leaf_count = volinfo->dist_leaf_count; new_volinfo->sub_count = volinfo->sub_count; new_volinfo->subvol_count = volinfo->subvol_count; new_volinfo->transport_type = volinfo->transport_type; new_volinfo->brick_count = volinfo->brick_count; new_volinfo->quota_conf_version = volinfo->quota_conf_version; new_volinfo->quota_xattr_version = volinfo->quota_xattr_version; new_volinfo->snap_max_hard_limit = volinfo->snap_max_hard_limit; new_volinfo->quota_conf_cksum = volinfo->quota_conf_cksum; dict_copy(volinfo->dict, new_volinfo->dict); dict_copy(volinfo->gsync_slaves, new_volinfo->gsync_slaves); dict_copy(volinfo->gsync_active_slaves, new_volinfo->gsync_active_slaves); gd_update_volume_op_versions(new_volinfo); if (set_userauth) { glusterd_auth_set_username(new_volinfo, volinfo->auth.username); glusterd_auth_set_password(new_volinfo, volinfo->auth.password); } *dup_volinfo = new_volinfo; ret = 0; out: if (ret && (NULL != new_volinfo)) { (void)glusterd_volinfo_delete(new_volinfo); } return ret; } /* This function will duplicate brickinfo * * @param brickinfo Source brickinfo * @param dup_brickinfo Destination brickinfo * * @return 0 on success else -1 */ int32_t glusterd_brickinfo_dup(glusterd_brickinfo_t *brickinfo, glusterd_brickinfo_t *dup_brickinfo) { int32_t ret = -1; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_VALIDATE_OR_GOTO(this->name, brickinfo, out); GF_VALIDATE_OR_GOTO(this->name, dup_brickinfo, out); strcpy(dup_brickinfo->hostname, brickinfo->hostname); strcpy(dup_brickinfo->path, brickinfo->path); strcpy(dup_brickinfo->real_path, brickinfo->real_path); strcpy(dup_brickinfo->device_path, brickinfo->device_path); strcpy(dup_brickinfo->fstype, brickinfo->fstype); strcpy(dup_brickinfo->mnt_opts, brickinfo->mnt_opts); ret = gf_canonicalize_path(dup_brickinfo->path); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_CANONICALIZE_FAIL, "Failed to canonicalize " "brick path"); goto out; } gf_uuid_copy(dup_brickinfo->uuid, brickinfo->uuid); dup_brickinfo->port = brickinfo->port; dup_brickinfo->rdma_port = brickinfo->rdma_port; if (NULL != brickinfo->logfile) { dup_brickinfo->logfile = gf_strdup(brickinfo->logfile); if (NULL == dup_brickinfo->logfile) { ret = -1; goto out; } } strcpy(dup_brickinfo->brick_id, brickinfo->brick_id); strcpy(dup_brickinfo->mount_dir, brickinfo->mount_dir); dup_brickinfo->status = brickinfo->status; dup_brickinfo->snap_status = brickinfo->snap_status; out: return ret; } /* * gd_vol_is_geo_rep_active: * This function checks for any running geo-rep session for * the volume given. * * Return Value: * _gf_true : If any running geo-rep session. * _gf_false: If no running geo-rep session. */ gf_boolean_t gd_vol_is_geo_rep_active(glusterd_volinfo_t *volinfo) { gf_boolean_t active = _gf_false; GF_ASSERT(volinfo); if (volinfo->gsync_active_slaves && volinfo->gsync_active_slaves->count > 0) active = _gf_true; return active; } void glusterd_auth_cleanup(glusterd_volinfo_t *volinfo) { GF_ASSERT(volinfo); GF_FREE(volinfo->auth.username); GF_FREE(volinfo->auth.password); } char * glusterd_auth_get_username(glusterd_volinfo_t *volinfo) { GF_ASSERT(volinfo); return volinfo->auth.username; } char * glusterd_auth_get_password(glusterd_volinfo_t *volinfo) { GF_ASSERT(volinfo); return volinfo->auth.password; } int32_t glusterd_auth_set_username(glusterd_volinfo_t *volinfo, char *username) { GF_ASSERT(volinfo); GF_ASSERT(username); volinfo->auth.username = gf_strdup(username); return 0; } int32_t glusterd_auth_set_password(glusterd_volinfo_t *volinfo, char *password) { GF_ASSERT(volinfo); GF_ASSERT(password); volinfo->auth.password = gf_strdup(password); return 0; } int32_t glusterd_brickinfo_delete(glusterd_brickinfo_t *brickinfo) { int32_t ret = -1; GF_ASSERT(brickinfo); cds_list_del_init(&brickinfo->brick_list); (void)gf_store_handle_destroy(brickinfo->shandle); GF_FREE(brickinfo->logfile); GF_FREE(brickinfo); ret = 0; return ret; } int32_t glusterd_volume_brickinfos_delete(glusterd_volinfo_t *volinfo) { glusterd_brickinfo_t *brickinfo = NULL; glusterd_brickinfo_t *tmp = NULL; int32_t ret = 0; GF_ASSERT(volinfo); cds_list_for_each_entry_safe(brickinfo, tmp, &volinfo->bricks, brick_list) { ret = glusterd_brickinfo_delete(brickinfo); if (ret) goto out; } out: gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } int glusterd_volinfo_remove(glusterd_volinfo_t *volinfo) { cds_list_del_init(&volinfo->vol_list); glusterd_volinfo_unref(volinfo); return 0; } int32_t glusterd_volinfo_delete(glusterd_volinfo_t *volinfo) { int32_t ret = -1; GF_ASSERT(volinfo); cds_list_del_init(&volinfo->vol_list); cds_list_del_init(&volinfo->snapvol_list); ret = glusterd_volume_brickinfos_delete(volinfo); if (ret) goto out; if (volinfo->dict) dict_unref(volinfo->dict); if (volinfo->gsync_slaves) dict_unref(volinfo->gsync_slaves); if (volinfo->gsync_active_slaves) dict_unref(volinfo->gsync_active_slaves); GF_FREE(volinfo->logdir); if (volinfo->rebal.dict) dict_unref(volinfo->rebal.dict); /* Destroy the connection object for per volume svc daemons */ glusterd_conn_term(&volinfo->snapd.svc.conn); glusterd_conn_term(&volinfo->gfproxyd.svc.conn); gf_store_handle_destroy(volinfo->quota_conf_shandle); gf_store_handle_destroy(volinfo->shandle); gf_store_handle_destroy(volinfo->node_state_shandle); gf_store_handle_destroy(volinfo->snapd.handle); glusterd_auth_cleanup(volinfo); glusterd_shd_svcproc_cleanup(&volinfo->shd); pthread_mutex_destroy(&volinfo->reflock); GF_FREE(volinfo); ret = 0; out: gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } int32_t glusterd_brickprocess_new(glusterd_brick_proc_t **brickprocess) { glusterd_brick_proc_t *new_brickprocess = NULL; int32_t ret = -1; GF_VALIDATE_OR_GOTO(THIS->name, brickprocess, out); new_brickprocess = GF_CALLOC(1, sizeof(*new_brickprocess), gf_gld_mt_glusterd_brick_proc_t); if (!new_brickprocess) goto out; CDS_INIT_LIST_HEAD(&new_brickprocess->bricks); CDS_INIT_LIST_HEAD(&new_brickprocess->brick_proc_list); new_brickprocess->brick_count = 0; *brickprocess = new_brickprocess; ret = 0; out: gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } int32_t glusterd_brickinfo_new(glusterd_brickinfo_t **brickinfo) { glusterd_brickinfo_t *new_brickinfo = NULL; int32_t ret = -1; GF_ASSERT(brickinfo); new_brickinfo = GF_CALLOC(1, sizeof(*new_brickinfo), gf_gld_mt_glusterd_brickinfo_t); if (!new_brickinfo) goto out; CDS_INIT_LIST_HEAD(&new_brickinfo->brick_list); CDS_INIT_LIST_HEAD(&new_brickinfo->mux_bricks); pthread_mutex_init(&new_brickinfo->restart_mutex, NULL); *brickinfo = new_brickinfo; ret = 0; out: gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } int glusterd_get_next_available_brickid(glusterd_volinfo_t *volinfo) { glusterd_brickinfo_t *brickinfo = NULL; char *token = NULL; int brickid = 0; int max_brickid = -1; int ret = -1; cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { token = strrchr(brickinfo->brick_id, '-'); ret = gf_string2int32(++token, &brickid); if (ret < 0) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_BRICK_ID_GEN_FAILED, "Unable to generate brick ID"); return ret; } if (brickid > max_brickid) max_brickid = brickid; } return max_brickid + 1; } int32_t glusterd_resolve_brick(glusterd_brickinfo_t *brickinfo) { int32_t ret = -1; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(brickinfo); if (!gf_uuid_compare(brickinfo->uuid, MY_UUID) || (glusterd_peerinfo_find_by_uuid(brickinfo->uuid) != NULL)) { ret = 0; goto out; } ret = glusterd_hostname_to_uuid(brickinfo->hostname, brickinfo->uuid); out: gf_msg_debug(this->name, 0, "Returning %d", ret); return ret; } int32_t glusterd_get_brick_mount_dir(char *brickpath, char *hostname, char *mount_dir) { char *mnt_pt = NULL; char *brick_dir = NULL; int32_t ret = -1; uuid_t brick_uuid = { 0, }; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(brickpath); GF_ASSERT(hostname); GF_ASSERT(mount_dir); ret = glusterd_hostname_to_uuid(hostname, brick_uuid); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_HOSTNAME_TO_UUID_FAIL, "Failed to convert hostname %s to uuid", hostname); goto out; } if (!gf_uuid_compare(brick_uuid, MY_UUID)) { ret = glusterd_get_brick_root(brickpath, &mnt_pt); if (ret) { gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_BRICKPATH_ROOT_GET_FAIL, "Could not get the root of the brick path %s", brickpath); goto out; } if (strncmp(brickpath, mnt_pt, strlen(mnt_pt))) { gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_BRKPATH_MNTPNT_MISMATCH, "brick: %s brick mount: %s", brickpath, mnt_pt); ret = -1; goto out; } brick_dir = &brickpath[strlen(mnt_pt)]; brick_dir++; snprintf(mount_dir, VALID_GLUSTERD_PATHMAX, "/%s", brick_dir); } out: if (mnt_pt) GF_FREE(mnt_pt); gf_msg_trace(this->name, 0, "Returning %d", ret); return ret; } int32_t glusterd_brickinfo_new_from_brick(char *brick, glusterd_brickinfo_t **brickinfo, gf_boolean_t construct_real_path, char **op_errstr) { char *hostname = NULL; char *path = NULL; char *tmp_host = NULL; char *tmp_path = NULL; int32_t ret = -1; glusterd_brickinfo_t *new_brickinfo = NULL; xlator_t *this = NULL; char abspath[PATH_MAX] = ""; this = THIS; GF_ASSERT(this); GF_ASSERT(brick); GF_ASSERT(brickinfo); tmp_host = gf_strdup(brick); if (tmp_host && !get_host_name(tmp_host, &hostname)) goto out; tmp_path = gf_strdup(brick); if (tmp_path && !get_path_name(tmp_path, &path)) goto out; GF_ASSERT(hostname); GF_ASSERT(path); ret = glusterd_brickinfo_new(&new_brickinfo); if (ret) goto out; ret = gf_canonicalize_path(path); if (ret) goto out; ret = snprintf(new_brickinfo->hostname, sizeof(new_brickinfo->hostname), "%s", hostname); if (ret < 0 || ret >= sizeof(new_brickinfo->hostname)) { ret = -1; goto out; } ret = snprintf(new_brickinfo->path, sizeof(new_brickinfo->path), "%s", path); if (ret < 0 || ret >= sizeof(new_brickinfo->path)) { ret = -1; goto out; } if (construct_real_path) { ret = glusterd_hostname_to_uuid(new_brickinfo->hostname, new_brickinfo->uuid); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_HOSTNAME_TO_UUID_FAIL, "Failed to convert hostname %s to uuid", hostname); if (op_errstr) gf_asprintf(op_errstr, "Host %s is not in " "\'Peer in Cluster\' state", new_brickinfo->hostname); goto out; } } if (construct_real_path && !gf_uuid_compare(new_brickinfo->uuid, MY_UUID) && new_brickinfo->real_path[0] == '\0') { if (!realpath(new_brickinfo->path, abspath)) { /* ENOENT indicates that brick path has not been created * which is a valid scenario */ if (errno != ENOENT) { gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_BRICKINFO_CREATE_FAIL, "realpath" " () failed for brick %s. The " "underlying filesystem may be in bad " "state. Error - %s", new_brickinfo->path, strerror(errno)); ret = -1; goto out; } } if (strlen(abspath) >= sizeof(new_brickinfo->real_path)) { ret = -1; goto out; } (void)strncpy(new_brickinfo->real_path, abspath, sizeof(new_brickinfo->real_path)); } *brickinfo = new_brickinfo; ret = 0; out: GF_FREE(tmp_host); if (tmp_host) GF_FREE(tmp_path); gf_msg_debug(this->name, 0, "Returning %d", ret); return ret; } static gf_boolean_t _is_prefix(char *str1, char *str2) { GF_ASSERT(str1); GF_ASSERT(str2); int i = 0; int len1 = 0; int len2 = 0; int small_len = 0; char *bigger = NULL; gf_boolean_t prefix = _gf_true; len1 = strlen(str1); len2 = strlen(str2); small_len = min(len1, len2); /* * If either one (not both) of the strings are 0-length, they are not * prefixes of each other. */ if ((small_len == 0) && (len1 != len2)) { return _gf_false; } for (i = 0; i < small_len; i++) { if (str1[i] != str2[i]) { prefix = _gf_false; break; } } if (len1 < len2) bigger = str2; else if (len1 > len2) bigger = str1; else return prefix; if (bigger[small_len] != '/') prefix = _gf_false; return prefix; } /* Checks if @path is available in the peer identified by @uuid * 'availability' is determined by querying current state of volumes * in the cluster. */ gf_boolean_t glusterd_is_brickpath_available(uuid_t uuid, char *path) { glusterd_brickinfo_t *brickinfo = NULL; glusterd_volinfo_t *volinfo = NULL; glusterd_conf_t *priv = NULL; gf_boolean_t available = _gf_false; char tmp_path[PATH_MAX] = ""; priv = THIS->private; if (snprintf(tmp_path, PATH_MAX, "%s", path) >= PATH_MAX) goto out; /* path may not yet exist */ if (!realpath(path, tmp_path)) { if (errno != ENOENT) { gf_msg(THIS->name, GF_LOG_CRITICAL, errno, GD_MSG_BRICKINFO_CREATE_FAIL, "realpath" " () failed for brick %s. The " "underlying filesystem may be in bad " "state. Error - %s", path, strerror(errno)); goto out; } /* When realpath(3) fails, tmp_path is undefined. */ (void)snprintf(tmp_path, sizeof(tmp_path), "%s", path); } cds_list_for_each_entry(volinfo, &priv->volumes, vol_list) { cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { if (gf_uuid_compare(uuid, brickinfo->uuid)) continue; if (_is_prefix(brickinfo->real_path, tmp_path)) { gf_msg(THIS->name, GF_LOG_CRITICAL, 0, GD_MSG_BRICKINFO_CREATE_FAIL, "_is_prefix call failed for brick %s " "against brick %s", tmp_path, brickinfo->real_path); goto out; } } } available = _gf_true; out: return available; } int glusterd_validate_and_create_brickpath(glusterd_brickinfo_t *brickinfo, uuid_t volume_id, char *volname, char **op_errstr, gf_boolean_t is_force, gf_boolean_t ignore_partition) { int ret = -1; char parentdir[PATH_MAX] = ""; struct stat parent_st = { 0, }; struct stat brick_st = { 0, }; struct stat root_st = { 0, }; char msg[2048] = ""; gf_boolean_t is_created = _gf_false; char glusterfs_dir_path[PATH_MAX] = ""; int32_t len = 0; ret = sys_mkdir(brickinfo->path, 0755); if (ret) { if (errno != EEXIST) { len = snprintf(msg, sizeof(msg), "Failed to create " "brick directory for brick %s:%s. " "Reason : %s ", brickinfo->hostname, brickinfo->path, strerror(errno)); goto out; } } else { is_created = _gf_true; } ret = sys_lstat(brickinfo->path, &brick_st); if (ret) { len = snprintf(msg, sizeof(msg), "lstat failed on %s. " "Reason : %s", brickinfo->path, strerror(errno)); goto out; } if ((!is_created) && (!S_ISDIR(brick_st.st_mode))) { len = snprintf(msg, sizeof(msg), "The provided path %s " "which is already present, is not a directory", brickinfo->path); ret = -1; goto out; } len = snprintf(parentdir, sizeof(parentdir), "%s/..", brickinfo->path); if ((len < 0) || (len >= sizeof(parentdir))) { ret = -1; goto out; } ret = sys_lstat("/", &root_st); if (ret) { len = snprintf(msg, sizeof(msg), "lstat failed on /. " "Reason : %s", strerror(errno)); goto out; } ret = sys_lstat(parentdir, &parent_st); if (ret) { len = snprintf(msg, sizeof(msg), "lstat failed on %s. " "Reason : %s", parentdir, strerror(errno)); goto out; } if (strncmp(volname, GLUSTER_SHARED_STORAGE, SLEN(GLUSTER_SHARED_STORAGE)) && sizeof(GLUSTERD_DEFAULT_WORKDIR) <= (strlen(brickinfo->path) + 1) && !strncmp(brickinfo->path, GLUSTERD_DEFAULT_WORKDIR, (sizeof(GLUSTERD_DEFAULT_WORKDIR) - 1))) { len = snprintf(msg, sizeof(msg), "Brick isn't allowed to be " "created inside glusterd's working directory."); ret = -1; goto out; } if (!is_force) { if (brick_st.st_dev != parent_st.st_dev) { len = snprintf(msg, sizeof(msg), "The brick %s:%s " "is a mount point. Please create a " "sub-directory under the mount point " "and use that as the brick directory. " "Or use 'force' at the end of the " "command if you want to override this " "behavior.", brickinfo->hostname, brickinfo->path); ret = -1; goto out; } else if (parent_st.st_dev == root_st.st_dev) { len = snprintf(msg, sizeof(msg), "The brick %s:%s " "is being created in the root " "partition. It is recommended that " "you don't use the system's root " "partition for storage backend. Or " "use 'force' at the end of the " "command if you want to override this " "behavior.", brickinfo->hostname, brickinfo->path); /* If --wignore-partition flag is used, ignore warnings * related to bricks being on root partition when 'force' * is not used */ if ((len < 0) || (len >= sizeof(msg)) || !ignore_partition) { ret = -1; goto out; } } } ret = glusterd_check_and_set_brick_xattr( brickinfo->hostname, brickinfo->path, volume_id, op_errstr, is_force); if (ret) goto out; /* create .glusterfs directory */ len = snprintf(glusterfs_dir_path, sizeof(glusterfs_dir_path), "%s/%s", brickinfo->path, ".glusterfs"); if ((len < 0) || (len >= sizeof(glusterfs_dir_path))) { ret = -1; goto out; } ret = sys_mkdir(glusterfs_dir_path, 0600); if (ret && (errno != EEXIST)) { len = snprintf(msg, sizeof(msg), "Failed to create " ".glusterfs directory for brick %s:%s. " "Reason : %s ", brickinfo->hostname, brickinfo->path, strerror(errno)); goto out; } ret = 0; out: if (len < 0) { ret = -1; } if (ret && is_created) { (void)recursive_rmdir(brickinfo->path); } if (ret && !*op_errstr && msg[0] != '\0') *op_errstr = gf_strdup(msg); return ret; } int32_t glusterd_volume_brickinfo_get(uuid_t uuid, char *hostname, char *path, glusterd_volinfo_t *volinfo, glusterd_brickinfo_t **brickinfo) { glusterd_brickinfo_t *brickiter = NULL; uuid_t peer_uuid = {0}; int32_t ret = -1; xlator_t *this = NULL; this = THIS; if (uuid) { gf_uuid_copy(peer_uuid, uuid); } else { ret = glusterd_hostname_to_uuid(hostname, peer_uuid); if (ret) goto out; } ret = -1; cds_list_for_each_entry(brickiter, &volinfo->bricks, brick_list) { if ((gf_uuid_is_null(brickiter->uuid)) && (glusterd_resolve_brick(brickiter) != 0)) goto out; if (gf_uuid_compare(peer_uuid, brickiter->uuid)) continue; if (strcmp(brickiter->path, path) == 0) { gf_msg_debug(this->name, 0, LOGSTR_FOUND_BRICK, brickiter->hostname, brickiter->path, volinfo->volname); ret = 0; if (brickinfo) *brickinfo = brickiter; break; } } out: gf_msg_debug(this->name, 0, "Returning %d", ret); return ret; } int32_t glusterd_volume_ta_brickinfo_get(uuid_t uuid, char *hostname, char *path, glusterd_volinfo_t *volinfo, glusterd_brickinfo_t **ta_brickinfo) { glusterd_brickinfo_t *ta_brickiter = NULL; int32_t ret = -1; xlator_t *this = NULL; this = THIS; ret = -1; cds_list_for_each_entry(ta_brickiter, &volinfo->ta_bricks, brick_list) { if (strcmp(ta_brickiter->path, path) == 0 && strcmp(ta_brickiter->hostname, hostname) == 0) { gf_msg_debug(this->name, 0, LOGSTR_FOUND_BRICK, ta_brickiter->hostname, ta_brickiter->path, volinfo->volname); ret = 0; if (ta_brickinfo) *ta_brickinfo = ta_brickiter; break; } } gf_msg_debug(this->name, 0, "Returning %d", ret); return ret; } int32_t glusterd_volume_brickinfo_get_by_brick(char *brick, glusterd_volinfo_t *volinfo, glusterd_brickinfo_t **brickinfo, gf_boolean_t construct_real_path) { int32_t ret = -1; glusterd_brickinfo_t *tmp_brickinfo = NULL; GF_ASSERT(brick); GF_ASSERT(volinfo); ret = glusterd_brickinfo_new_from_brick(brick, &tmp_brickinfo, construct_real_path, NULL); if (ret) goto out; ret = glusterd_volume_brickinfo_get( NULL, tmp_brickinfo->hostname, tmp_brickinfo->path, volinfo, brickinfo); (void)glusterd_brickinfo_delete(tmp_brickinfo); out: gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } gf_boolean_t glusterd_is_brick_decommissioned(glusterd_volinfo_t *volinfo, char *hostname, char *path) { gf_boolean_t decommissioned = _gf_false; glusterd_brickinfo_t *brickinfo = NULL; int ret = -1; ret = glusterd_volume_brickinfo_get(NULL, hostname, path, volinfo, &brickinfo); if (ret) goto out; decommissioned = brickinfo->decommissioned; out: return decommissioned; } int glusterd_volinfo_find_by_volume_id(uuid_t volume_id, glusterd_volinfo_t **volinfo) { int32_t ret = -1; xlator_t *this = NULL; glusterd_volinfo_t *voliter = NULL; glusterd_conf_t *priv = NULL; if (!volume_id) return -1; this = THIS; priv = this->private; cds_list_for_each_entry(voliter, &priv->volumes, vol_list) { if (gf_uuid_compare(volume_id, voliter->volume_id)) continue; *volinfo = voliter; ret = 0; gf_msg_debug(this->name, 0, "Volume %s found", voliter->volname); break; } return ret; } int32_t glusterd_volinfo_find(const char *volname, glusterd_volinfo_t **volinfo) { glusterd_volinfo_t *tmp_volinfo = NULL; int32_t ret = -1; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; GF_ASSERT(volname); this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); cds_list_for_each_entry(tmp_volinfo, &priv->volumes, vol_list) { if (!strcmp(tmp_volinfo->volname, volname)) { gf_msg_debug(this->name, 0, "Volume %s found", volname); ret = 0; *volinfo = tmp_volinfo; break; } } gf_msg_debug(this->name, 0, "Returning %d", ret); return ret; } int32_t glusterd_service_stop(const char *service, char *pidfile, int sig, gf_boolean_t force_kill) { int32_t ret = -1; pid_t pid = -1; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); if (!gf_is_service_running(pidfile, &pid)) { ret = 0; gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_ALREADY_STOPPED, "%s already stopped", service); goto out; } gf_msg_debug(this->name, 0, "Stopping gluster %s running in pid: " "%d", service, pid); ret = kill(pid, sig); if (ret) { switch (errno) { case ESRCH: gf_msg_debug(this->name, 0, "%s is already stopped", service); ret = 0; goto out; default: gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_SVC_KILL_FAIL, "Unable to kill %s " "service, reason:%s", service, strerror(errno)); } } if (!force_kill) goto out; sleep(1); if (gf_is_service_running(pidfile, &pid)) { ret = kill(pid, SIGKILL); if (ret) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_PID_KILL_FAIL, "Unable to kill pid:%d, " "reason:%s", pid, strerror(errno)); goto out; } } ret = 0; out: return ret; } int32_t glusterd_service_stop_nolock(const char *service, char *pidfile, int sig, gf_boolean_t force_kill) { int32_t ret = -1; pid_t pid = -1; xlator_t *this = NULL; FILE *file = NULL; this = THIS; GF_ASSERT(this); file = fopen(pidfile, "r+"); if (file) { ret = fscanf(file, "%d", &pid); if (ret <= 0) { gf_msg_debug(this->name, 0, "Unable to read pidfile: %s", pidfile); goto out; } } if (kill(pid, 0) < 0) { ret = 0; gf_msg_debug(this->name, 0, "%s process not running: (%d) %s", service, pid, strerror(errno)); goto out; } gf_msg_debug(this->name, 0, "Stopping gluster %s service running with " "pid: %d", service, pid); ret = kill(pid, sig); if (ret) { switch (errno) { case ESRCH: gf_msg_debug(this->name, 0, "%s is already stopped", service); ret = 0; goto out; default: gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_SVC_KILL_FAIL, "Unable to kill %s " "service, reason:%s", service, strerror(errno)); } } if (!force_kill) goto out; sleep(1); if (kill(pid, 0) == 0) { ret = kill(pid, SIGKILL); if (ret) { /* Process is already dead, don't fail */ if (errno == ESRCH) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_PID_KILL_FAIL, "Unable to find pid:%d, " "must be dead already. Ignoring.", pid); } else { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_PID_KILL_FAIL, "Unable to kill pid:%d, " "reason:%s", pid, strerror(errno)); goto out; } } } ret = 0; out: if (file) fclose(file); return ret; } void glusterd_set_socket_filepath(char *sock_filepath, char *sockpath, size_t len) { char xxh64[GF_XXH64_DIGEST_LENGTH * 2 + 1] = { 0, }; gf_xxh64_wrapper((unsigned char *)sock_filepath, strlen(sock_filepath), GF_XXHSUM64_DEFAULT_SEED, xxh64); snprintf(sockpath, len, "%s/%s.socket", GLUSTERD_SOCK_DIR, xxh64); } void glusterd_set_brick_socket_filepath(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, char *sockpath, size_t len) { char volume_dir[PATH_MAX] = ""; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; int expected_file_len = 0; char export_path[PATH_MAX] = ""; char sock_filepath[PATH_MAX] = ""; int32_t slen = 0; expected_file_len = SLEN(GLUSTERD_SOCK_DIR) + SLEN("/") + SHA256_DIGEST_LENGTH * 2 + SLEN(".socket") + 1; GF_ASSERT(len >= expected_file_len); this = THIS; GF_ASSERT(this); priv = this->private; GLUSTERD_GET_VOLUME_PID_DIR(volume_dir, volinfo, priv); GLUSTERD_REMOVE_SLASH_FROM_PATH(brickinfo->path, export_path); slen = snprintf(sock_filepath, PATH_MAX, "%s/run/%s-%s", volume_dir, brickinfo->hostname, export_path); if (slen < 0) { sock_filepath[0] = 0; } glusterd_set_socket_filepath(sock_filepath, sockpath, len); } /* connection happens only if it is not already connected, * reconnections are taken care by rpc-layer */ int32_t glusterd_brick_connect(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, char *socketpath) { int ret = 0; char volume_id_str[64] = ""; char *brickid = NULL; dict_t *options = NULL; struct rpc_clnt *rpc = NULL; GF_ASSERT(volinfo); GF_ASSERT(brickinfo); GF_ASSERT(socketpath); if (brickinfo->rpc == NULL) { /* Setting frame-timeout to 10mins (600seconds). * Unix domain sockets ensures that the connection is reliable. * The default timeout of 30mins used for unreliable network * connections is too long for unix domain socket connections. */ options = dict_new(); if (!options) goto out; ret = rpc_transport_unix_options_build(options, socketpath, 600); if (ret) goto out; uuid_utoa_r(volinfo->volume_id, volume_id_str); ret = gf_asprintf(&brickid, "%s:%s:%s", volume_id_str, brickinfo->hostname, brickinfo->path); if (ret < 0) goto out; ret = glusterd_rpc_create(&rpc, options, glusterd_brick_rpc_notify, brickid, _gf_false); if (ret) { GF_FREE(brickid); goto out; } brickinfo->rpc = rpc; } out: if (options) dict_unref(options); gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } static int _mk_rundir_p(glusterd_volinfo_t *volinfo) { char rundir[PATH_MAX] = ""; glusterd_conf_t *priv = NULL; xlator_t *this = NULL; int ret = -1; this = THIS; priv = this->private; GLUSTERD_GET_VOLUME_PID_DIR(rundir, volinfo, priv); ret = mkdir_p(rundir, 0755, _gf_true); if (ret) gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_CREATE_DIR_FAILED, "Failed to create rundir"); return ret; } int32_t glusterd_volume_start_glusterfs(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, gf_boolean_t wait) { int32_t ret = -1; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; char pidfile[PATH_MAX + 1] = ""; char volfile[PATH_MAX] = ""; runner_t runner = { 0, }; char exp_path[PATH_MAX] = ""; char logfile[PATH_MAX] = ""; int port = 0; int rdma_port = 0; char *bind_address = NULL; char *localtime_logging = NULL; char socketpath[PATH_MAX] = ""; char glusterd_uuid[1024] = ""; char valgrind_logfile[PATH_MAX] = ""; char rdma_brick_path[PATH_MAX] = ""; struct rpc_clnt *rpc = NULL; rpc_clnt_connection_t *conn = NULL; int pid = -1; int32_t len = 0; glusterd_brick_proc_t *brick_proc = NULL; char *inet_family = NULL; char *global_threading = NULL; bool threading = false; GF_ASSERT(volinfo); GF_ASSERT(brickinfo); this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); if (brickinfo->snap_status == -1) { gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_SNAPSHOT_PENDING, "Snapshot is pending on %s:%s. " "Hence not starting the brick", brickinfo->hostname, brickinfo->path); ret = 0; goto out; } GLUSTERD_GET_BRICK_PIDFILE(pidfile, volinfo, brickinfo, priv); if (gf_is_service_running(pidfile, &pid)) { goto connect; } /* * There are all sorts of races in the start/stop code that could leave * a UNIX-domain socket or RPC-client object associated with a * long-dead incarnation of this brick, while the new incarnation is * listening on a new socket at the same path and wondering why we * haven't shown up. To avoid the whole mess and be on the safe side, * we just blow away anything that might have been left over, and start * over again. */ glusterd_set_brick_socket_filepath(volinfo, brickinfo, socketpath, sizeof(socketpath)); (void)glusterd_unlink_file(socketpath); rpc = brickinfo->rpc; if (rpc) { brickinfo->rpc = NULL; conn = &rpc->conn; pthread_mutex_lock(&conn->lock); if (conn->reconnect) { (void)gf_timer_call_cancel(rpc->ctx, conn->reconnect); conn->reconnect = NULL; } pthread_mutex_unlock(&conn->lock); rpc_clnt_unref(rpc); } port = pmap_assign_port(THIS, brickinfo->port, brickinfo->path); if (!port) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_PORTS_EXHAUSTED, "All the ports in the range are exhausted, can't start " "brick %s for volume %s", brickinfo->path, volinfo->volname); ret = -1; goto out; } /* Build the exp_path, before starting the glusterfsd even in valgrind mode. Otherwise all the glusterfsd processes start writing the valgrind log to the same file. */ GLUSTERD_REMOVE_SLASH_FROM_PATH(brickinfo->path, exp_path); retry: runinit(&runner); if (this->ctx->cmd_args.valgrind) { /* Run bricks with valgrind */ if (volinfo->logdir) { len = snprintf(valgrind_logfile, PATH_MAX, "%s/valgrind-%s-%s.log", volinfo->logdir, volinfo->volname, exp_path); } else { len = snprintf(valgrind_logfile, PATH_MAX, "%s/bricks/valgrind-%s-%s.log", priv->logdir, volinfo->volname, exp_path); } if ((len < 0) || (len >= PATH_MAX)) { ret = -1; goto out; } runner_add_args(&runner, "valgrind", "--leak-check=full", "--trace-children=yes", "--track-origins=yes", NULL); runner_argprintf(&runner, "--log-file=%s", valgrind_logfile); } if (volinfo->is_snap_volume) { len = snprintf(volfile, PATH_MAX, "/%s/%s/%s/%s.%s.%s", GLUSTERD_VOL_SNAP_DIR_PREFIX, volinfo->snapshot->snapname, volinfo->volname, volinfo->volname, brickinfo->hostname, exp_path); } else { len = snprintf(volfile, PATH_MAX, "%s.%s.%s", volinfo->volname, brickinfo->hostname, exp_path); } if ((len < 0) || (len >= PATH_MAX)) { ret = -1; goto out; } if (volinfo->logdir) { len = snprintf(logfile, PATH_MAX, "%s/%s.log", volinfo->logdir, exp_path); } else { len = snprintf(logfile, PATH_MAX, "%s/bricks/%s.log", priv->logdir, exp_path); } if ((len < 0) || (len >= PATH_MAX)) { ret = -1; goto out; } if (!brickinfo->logfile) brickinfo->logfile = gf_strdup(logfile); (void)snprintf(glusterd_uuid, 1024, "*-posix.glusterd-uuid=%s", uuid_utoa(MY_UUID)); runner_add_args(&runner, SBIN_DIR "/glusterfsd", "-s", brickinfo->hostname, "--volfile-id", volfile, "-p", pidfile, "-S", socketpath, "--brick-name", brickinfo->path, "-l", brickinfo->logfile, "--xlator-option", glusterd_uuid, "--process-name", "brick", NULL); if (dict_get_strn(priv->opts, GLUSTERD_LOCALTIME_LOGGING_KEY, SLEN(GLUSTERD_LOCALTIME_LOGGING_KEY), &localtime_logging) == 0) { if (strcmp(localtime_logging, "enable") == 0) runner_add_arg(&runner, "--localtime-logging"); } runner_add_arg(&runner, "--brick-port"); if (volinfo->transport_type != GF_TRANSPORT_BOTH_TCP_RDMA) { runner_argprintf(&runner, "%d", port); } else { len = snprintf(rdma_brick_path, sizeof(rdma_brick_path), "%s.rdma", brickinfo->path); if ((len < 0) || (len >= sizeof(rdma_brick_path))) { ret = -1; goto out; } rdma_port = pmap_assign_port(THIS, brickinfo->rdma_port, rdma_brick_path); if (!rdma_port) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_PORTS_EXHAUSTED, "All rdma ports in the " "range are exhausted, can't start brick %s for " "volume %s", rdma_brick_path, volinfo->volname); ret = -1; goto out; } runner_argprintf(&runner, "%d,%d", port, rdma_port); runner_add_arg(&runner, "--xlator-option"); runner_argprintf(&runner, "%s-server.transport.rdma.listen-port=%d", volinfo->volname, rdma_port); } if (dict_get_strn(volinfo->dict, VKEY_CONFIG_GLOBAL_THREADING, SLEN(VKEY_CONFIG_GLOBAL_THREADING), &global_threading) == 0) { if ((gf_string2boolean(global_threading, &threading) == 0) && threading) { runner_add_arg(&runner, "--global-threading"); } } runner_add_arg(&runner, "--xlator-option"); runner_argprintf(&runner, "%s-server.listen-port=%d", volinfo->volname, port); if (dict_get_strn(this->options, "transport.socket.bind-address", SLEN("transport.socket.bind-address"), &bind_address) == 0) { runner_add_arg(&runner, "--xlator-option"); runner_argprintf(&runner, "transport.socket.bind-address=%s", bind_address); } if (volinfo->transport_type == GF_TRANSPORT_RDMA) runner_argprintf(&runner, "--volfile-server-transport=rdma"); else if (volinfo->transport_type == GF_TRANSPORT_BOTH_TCP_RDMA) runner_argprintf(&runner, "--volfile-server-transport=socket,rdma"); ret = dict_get_str(this->options, "transport.address-family", &inet_family); if (!ret) { runner_add_arg(&runner, "--xlator-option"); runner_argprintf(&runner, "transport.address-family=%s", inet_family); } if (volinfo->memory_accounting) runner_add_arg(&runner, "--mem-accounting"); if (is_brick_mx_enabled()) runner_add_arg(&runner, "--brick-mux"); runner_log(&runner, "", 0, "Starting GlusterFS"); brickinfo->port = port; brickinfo->rdma_port = rdma_port; brickinfo->status = GF_BRICK_STARTING; brickinfo->port_registered = _gf_false; if (wait) { synclock_unlock(&priv->big_lock); ret = runner_run(&runner); synclock_lock(&priv->big_lock); if (ret == EADDRINUSE) { /* retry after getting a new port */ gf_msg(this->name, GF_LOG_WARNING, -ret, GD_MSG_SRC_BRICK_PORT_UNAVAIL, "Port %d is used by other process", port); port = pmap_registry_alloc(this); if (!port) { gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_NO_FREE_PORTS, "Couldn't allocate a port"); ret = -1; goto out; } gf_msg(this->name, GF_LOG_NOTICE, 0, GD_MSG_RETRY_WITH_NEW_PORT, "Retrying to start brick %s with new port %d", brickinfo->path, port); goto retry; } } else { ret = runner_run_nowait(&runner); } if (ret) { brickinfo->port = 0; brickinfo->rdma_port = 0; goto out; } ret = glusterd_brickprocess_new(&brick_proc); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICKPROC_NEW_FAILED, "Failed to create " "new brick process instance"); goto out; } brick_proc->port = brickinfo->port; cds_list_add_tail(&brick_proc->brick_proc_list, &priv->brick_procs); brickinfo->brick_proc = brick_proc; cds_list_add_tail(&brickinfo->mux_bricks, &brick_proc->bricks); brickinfo->brick_proc = brick_proc; brick_proc->brick_count++; connect: ret = glusterd_brick_connect(volinfo, brickinfo, socketpath); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICK_DISCONNECTED, "Failed to connect to brick %s:%s on %s", brickinfo->hostname, brickinfo->path, socketpath); goto out; } out: if (ret) brickinfo->status = GF_BRICK_STOPPED; return ret; } int32_t glusterd_brick_unlink_socket_file(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo) { char path[PATH_MAX] = ""; char socketpath[PATH_MAX] = ""; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; GF_ASSERT(volinfo); GF_ASSERT(brickinfo); this = THIS; GF_ASSERT(this); priv = this->private; GLUSTERD_GET_VOLUME_DIR(path, volinfo, priv); glusterd_set_brick_socket_filepath(volinfo, brickinfo, socketpath, sizeof(socketpath)); return glusterd_unlink_file(socketpath); } int32_t glusterd_brick_disconnect(glusterd_brickinfo_t *brickinfo) { rpc_clnt_t *rpc = NULL; glusterd_conf_t *priv = THIS->private; GF_ASSERT(brickinfo); if (!brickinfo) { gf_msg_callingfn("glusterd", GF_LOG_WARNING, EINVAL, GD_MSG_BRICK_NOT_FOUND, "!brickinfo"); return -1; } rpc = brickinfo->rpc; brickinfo->rpc = NULL; if (rpc) { glusterd_rpc_clnt_unref(priv, rpc); } return 0; } static gf_boolean_t unsafe_option(dict_t *this, char *key, data_t *value, void *arg) { /* * Certain options are safe because they're already being handled other * ways, such as being copied down to the bricks (all auth options) or * being made irrelevant (event-threads). All others are suspect and * must be checked in the next function. */ if (fnmatch("*auth*", key, 0) == 0) { return _gf_false; } if (fnmatch("*event-threads", key, 0) == 0) { return _gf_false; } if (fnmatch("*diagnostics.brick-log*", key, 0) == 0) { return _gf_false; } if (fnmatch("*diagnostics.client-log*", key, 0) == 0) { return _gf_false; } if (fnmatch("user.*", key, 0) == 0) { return _gf_false; } return _gf_true; } static int opts_mismatch(dict_t *dict1, char *key, data_t *value1, void *dict2) { data_t *value2 = dict_get(dict2, key); int32_t min_len; /* * If the option is only present on one, we can either look at the * default or assume a mismatch. Looking at the default is pretty * hard, because that's part of a structure within each translator and * there's no dlopen interface to get at it, so we assume a mismatch. * If the user really wants them to match (and for their bricks to be * multiplexed, they can always reset the option). */ if (!value2) { gf_log(THIS->name, GF_LOG_DEBUG, "missing option %s", key); return -1; } min_len = MIN(value1->len, value2->len); if (strncmp(value1->data, value2->data, min_len) != 0) { gf_log(THIS->name, GF_LOG_DEBUG, "option mismatch, %s, %s != %s", key, value1->data, value2->data); return -1; } return 0; } int glusterd_brickprocess_delete(glusterd_brick_proc_t *brick_proc) { cds_list_del_init(&brick_proc->brick_proc_list); cds_list_del_init(&brick_proc->bricks); GF_FREE(brick_proc); return 0; } int glusterd_brick_process_remove_brick(glusterd_brickinfo_t *brickinfo, int *last_brick) { int ret = -1; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; glusterd_brick_proc_t *brick_proc = NULL; this = THIS; GF_VALIDATE_OR_GOTO("glusterd", this, out); priv = this->private; GF_VALIDATE_OR_GOTO(this->name, priv, out); GF_VALIDATE_OR_GOTO(this->name, brickinfo, out); brick_proc = brickinfo->brick_proc; if (!brick_proc) { if (brickinfo->status != GF_BRICK_STARTED) { /* this function will be called from gluster_pmap_signout and * glusterd_volume_stop_glusterfs. So it is possible to have * brick_proc set as null. */ ret = 0; } goto out; } GF_VALIDATE_OR_GOTO(this->name, (brick_proc->brick_count > 0), out); cds_list_del_init(&brickinfo->mux_bricks); brick_proc->brick_count--; /* If all bricks have been removed, delete the brick process */ if (brick_proc->brick_count == 0) { if (last_brick != NULL) *last_brick = 1; ret = glusterd_brickprocess_delete(brick_proc); if (ret) goto out; } brickinfo->brick_proc = NULL; ret = 0; out: return ret; } int glusterd_brick_process_add_brick(glusterd_brickinfo_t *brickinfo, glusterd_brickinfo_t *parent_brickinfo) { int ret = -1; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; glusterd_brick_proc_t *brick_proc = NULL; this = THIS; GF_VALIDATE_OR_GOTO("glusterd", this, out); priv = this->private; GF_VALIDATE_OR_GOTO(this->name, priv, out); GF_VALIDATE_OR_GOTO(this->name, brickinfo, out); if (!parent_brickinfo) { ret = glusterd_brick_proc_for_port(brickinfo->port, &brick_proc); if (ret) { ret = glusterd_brickprocess_new(&brick_proc); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICKPROC_NEW_FAILED, "Failed to create " "new brick process instance"); goto out; } brick_proc->port = brickinfo->port; cds_list_add_tail(&brick_proc->brick_proc_list, &priv->brick_procs); } } else { ret = 0; brick_proc = parent_brickinfo->brick_proc; } cds_list_add_tail(&brickinfo->mux_bricks, &brick_proc->bricks); brickinfo->brick_proc = brick_proc; brick_proc->brick_count++; out: return ret; } /* ret = 0 only when you get a brick process associated with the port * ret = -1 otherwise */ int glusterd_brick_proc_for_port(int port, glusterd_brick_proc_t **brickprocess) { int ret = -1; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; glusterd_brick_proc_t *brick_proc = NULL; this = THIS; GF_VALIDATE_OR_GOTO("glusterd", this, out); priv = this->private; GF_VALIDATE_OR_GOTO(this->name, priv, out); cds_list_for_each_entry(brick_proc, &priv->brick_procs, brick_proc_list) { if (brick_proc->port == port) { *brickprocess = brick_proc; ret = 0; break; } } out: return ret; } int32_t glusterd_volume_stop_glusterfs(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, gf_boolean_t del_brick) { xlator_t *this = NULL; glusterd_conf_t *conf = NULL; int ret = -1; char *op_errstr = NULL; char pidfile[PATH_MAX] = ""; int last_brick = -1; GF_ASSERT(volinfo); GF_ASSERT(brickinfo); this = THIS; GF_ASSERT(this); conf = this->private; GF_VALIDATE_OR_GOTO(this->name, conf, out); ret = glusterd_brick_process_remove_brick(brickinfo, &last_brick); if (ret) { gf_msg_debug(this->name, 0, "Couldn't remove brick from" " brick process"); goto out; } if (del_brick) cds_list_del_init(&brickinfo->brick_list); if (GLUSTERD_STATUS_STARTED == volinfo->status) { /* * In a post-multiplexing world, even if we're not actually * doing any multiplexing, just dropping the RPC connection * isn't enough. There might be many such connections during * the brick daemon's lifetime, even if we only consider the * management RPC port (because tests etc. might be manually * attaching and detaching bricks). Therefore, we have to send * an actual signal instead. */ if (is_brick_mx_enabled() && last_brick != 1) { ret = send_attach_req(this, brickinfo->rpc, brickinfo->path, NULL, NULL, GLUSTERD_BRICK_TERMINATE); if (ret && brickinfo->status == GF_BRICK_STARTED) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICK_STOP_FAIL, "Failed to send" " detach request for brick %s", brickinfo->path); goto out; } gf_log(this->name, GF_LOG_INFO, "Detach request for " "brick %s:%s is sent successfully", brickinfo->hostname, brickinfo->path); } else { gf_msg_debug(this->name, 0, "About to stop glusterfsd" " for brick %s:%s", brickinfo->hostname, brickinfo->path); ret = glusterd_brick_terminate(volinfo, brickinfo, NULL, 0, &op_errstr); if (ret && brickinfo->status == GF_BRICK_STARTED) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICK_STOP_FAIL, "Failed to kill" " the brick %s", brickinfo->path); goto out; } if (op_errstr) { GF_FREE(op_errstr); } if (is_brick_mx_enabled()) { /* In case of brick multiplexing we need to make * sure the port is cleaned up from here as the * RPC connection may not have been originated * for the same brick instance */ pmap_registry_remove(THIS, brickinfo->port, brickinfo->path, GF_PMAP_PORT_BRICKSERVER, NULL, _gf_true); } } (void)glusterd_brick_disconnect(brickinfo); ret = 0; } GLUSTERD_GET_BRICK_PIDFILE(pidfile, volinfo, brickinfo, conf); gf_msg_debug(this->name, 0, "Unlinking pidfile %s", pidfile); (void)sys_unlink(pidfile); brickinfo->status = GF_BRICK_STOPPED; brickinfo->start_triggered = _gf_false; brickinfo->brick_proc = NULL; if (del_brick) glusterd_delete_brick(volinfo, brickinfo); out: return ret; } /* Free LINE[0..N-1] and then the LINE buffer. */ static void free_lines(char **line, size_t n) { size_t i; for (i = 0; i < n; i++) GF_FREE(line[i]); GF_FREE(line); } static char ** glusterd_readin_file(const char *filepath, int *line_count) { int ret = -1; int n = 8; int counter = 0; char buffer[PATH_MAX + 256] = ""; char **lines = NULL; FILE *fp = NULL; void *p; fp = fopen(filepath, "r"); if (!fp) goto out; lines = GF_CALLOC(1, n * sizeof(*lines), gf_gld_mt_charptr); if (!lines) goto out; for (counter = 0; fgets(buffer, sizeof(buffer), fp); counter++) { if (counter == n - 1) { n *= 2; p = GF_REALLOC(lines, n * sizeof(char *)); if (!p) { free_lines(lines, n / 2); lines = NULL; goto out; } lines = p; } lines[counter] = gf_strdup(buffer); } lines[counter] = NULL; /* Reduce allocation to minimal size. */ p = GF_REALLOC(lines, (counter + 1) * sizeof(char *)); if (!p) { /* coverity[TAINTED_SCALAR] */ free_lines(lines, counter); lines = NULL; goto out; } lines = p; *line_count = counter; ret = 0; out: if (ret) gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_READIN_FILE_FAILED, "%s", strerror(errno)); if (fp) fclose(fp); return lines; } int glusterd_compare_lines(const void *a, const void *b) { return strcmp(*(char *const *)a, *(char *const *)b); } static int glusterd_sort_and_redirect(const char *src_filepath, int dest_fd) { int ret = -1; int line_count = 0; int counter = 0; char **lines = NULL; if (!src_filepath || dest_fd < 0) goto out; lines = glusterd_readin_file(src_filepath, &line_count); if (!lines) goto out; qsort(lines, line_count, sizeof(*lines), glusterd_compare_lines); for (counter = 0; lines[counter]; counter++) { ret = sys_write(dest_fd, lines[counter], strlen(lines[counter])); if (ret < 0) goto out; GF_FREE(lines[counter]); } ret = 0; out: GF_FREE(lines); return ret; } static int glusterd_volume_compute_cksum(glusterd_volinfo_t *volinfo, char *cksum_path, char *filepath, gf_boolean_t is_quota_conf, uint32_t *cs) { int32_t ret = -1; uint32_t cksum = 0; int fd = -1; int sort_fd = 0; char sort_filepath[PATH_MAX] = ""; char buf[32]; gf_boolean_t unlink_sortfile = _gf_false; glusterd_conf_t *priv = THIS->private; xlator_t *this = THIS; mode_t orig_umask = 0; GF_ASSERT(volinfo); GF_ASSERT(priv); fd = open(cksum_path, O_RDWR | O_APPEND | O_CREAT | O_TRUNC, 0600); if (-1 == fd) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "Unable to open %s," " errno: %d", cksum_path, errno); ret = -1; goto out; } if (!is_quota_conf) { snprintf(sort_filepath, sizeof(sort_filepath), "/tmp/%s.XXXXXX", volinfo->volname); orig_umask = umask(S_IRWXG | S_IRWXO); sort_fd = mkstemp(sort_filepath); umask(orig_umask); if (-1 == sort_fd) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "Could not generate " "temp file, reason: %s for volume: %s", strerror(errno), volinfo->volname); goto out; } else { unlink_sortfile = _gf_true; } /* sort the info file, result in sort_filepath */ ret = glusterd_sort_and_redirect(filepath, sort_fd); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_FILE_OP_FAILED, "sorting info file " "failed"); goto out; } ret = sys_close(sort_fd); if (ret) goto out; ret = get_checksum_for_path(sort_filepath, &cksum, priv->op_version); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_CKSUM_GET_FAIL, "unable to get " "checksum for path: %s", sort_filepath); goto out; } ret = snprintf(buf, sizeof(buf), "info=%u\n", cksum); ret = sys_write(fd, buf, ret); if (ret <= 0) { ret = -1; goto out; } } ret = get_checksum_for_file(fd, &cksum, priv->op_version); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_CKSUM_GET_FAIL, "unable to get checksum for path: %s", filepath); goto out; } *cs = cksum; out: if (fd != -1) sys_close(fd); if (unlink_sortfile) sys_unlink(sort_filepath); gf_msg_debug(this->name, 0, "Returning with %d", ret); return ret; } int glusterd_compute_cksum(glusterd_volinfo_t *volinfo, gf_boolean_t is_quota_conf) { int ret = -1; uint32_t cs = 0; char cksum_path[PATH_MAX] = ""; char path[PATH_MAX] = ""; char filepath[PATH_MAX] = ""; glusterd_conf_t *conf = NULL; xlator_t *this = NULL; int32_t len1 = 0; int32_t len2 = 0; this = THIS; GF_ASSERT(this); conf = this->private; GF_ASSERT(conf); GLUSTERD_GET_VOLUME_DIR(path, volinfo, conf); if (is_quota_conf) { len1 = snprintf(cksum_path, sizeof(cksum_path), "%s/%s", path, GLUSTERD_VOL_QUOTA_CKSUM_FILE); len2 = snprintf(filepath, sizeof(filepath), "%s/%s", path, GLUSTERD_VOLUME_QUOTA_CONFIG); } else { len1 = snprintf(cksum_path, sizeof(cksum_path), "%s/%s", path, GLUSTERD_CKSUM_FILE); len2 = snprintf(filepath, sizeof(filepath), "%s/%s", path, GLUSTERD_VOLUME_INFO_FILE); } if ((len1 < 0) || (len2 < 0) || (len1 >= sizeof(cksum_path)) || (len2 >= sizeof(filepath))) { goto out; } ret = glusterd_volume_compute_cksum(volinfo, cksum_path, filepath, is_quota_conf, &cs); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_CKSUM_COMPUTE_FAIL, "Failed to compute checksum " "for volume %s", volinfo->volname); goto out; } if (is_quota_conf) volinfo->quota_conf_cksum = cs; else volinfo->cksum = cs; ret = 0; out: return ret; } static int _add_dict_to_prdict(dict_t *this, char *key, data_t *value, void *data) { glusterd_dict_ctx_t *ctx = data; char optkey[64]; /* optkey are usually quite small */ int ret = -1; ret = snprintf(optkey, sizeof(optkey), "%s.%s%d", ctx->prefix, ctx->key_name, ctx->opt_count); if (ret < 0 || ret >= sizeof(optkey)) return -1; ret = dict_set_strn(ctx->dict, optkey, ret, key); if (ret) gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "option add for %s%d %s", ctx->key_name, ctx->opt_count, key); ret = snprintf(optkey, sizeof(optkey), "%s.%s%d", ctx->prefix, ctx->val_name, ctx->opt_count); if (ret < 0 || ret >= sizeof(optkey)) return -1; ret = dict_set_strn(ctx->dict, optkey, ret, value->data); if (ret) gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "option add for %s%d %s", ctx->val_name, ctx->opt_count, value->data); ctx->opt_count++; return ret; } int32_t glusterd_add_bricks_hname_path_to_dict(dict_t *dict, glusterd_volinfo_t *volinfo) { glusterd_brickinfo_t *brickinfo = NULL; int ret = 0; char key[64] = ""; int index = 0; cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { ret = snprintf(key, sizeof(key), "%d-hostname", index); ret = dict_set_strn(dict, key, ret, brickinfo->hostname); if (ret) goto out; ret = snprintf(key, sizeof(key), "%d-path", index); ret = dict_set_strn(dict, key, ret, brickinfo->path); if (ret) goto out; index++; } out: return ret; } /* The prefix represents the type of volume to be added. * It will be "volume" for normal volumes, and snap# like * snap1, snap2, for snapshot volumes */ int32_t glusterd_add_volume_to_dict(glusterd_volinfo_t *volinfo, dict_t *dict, int32_t count, char *prefix) { int32_t ret = -1; char pfx[32] = ""; /* prefix should be quite small */ char key[64] = ""; int keylen; glusterd_brickinfo_t *brickinfo = NULL; glusterd_brickinfo_t *ta_brickinfo = NULL; int32_t i = 1; char *volume_id_str = NULL; char *str = NULL; glusterd_dict_ctx_t ctx = {0}; char *rebalance_id_str = NULL; char *rb_id_str = NULL; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(dict); GF_ASSERT(volinfo); GF_ASSERT(prefix); ret = snprintf(pfx, sizeof(pfx), "%s%d", prefix, count); if (ret < 0 || ret >= sizeof(pfx)) { ret = -1; goto out; } keylen = snprintf(key, sizeof(key), "%s.name", pfx); ret = dict_set_strn(dict, key, keylen, volinfo->volname); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.type", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->type); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.brick_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->brick_count); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.version", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->version); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.status", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->status); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.sub_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->sub_count); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.subvol_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->subvol_count); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.stripe_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->stripe_count); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.replica_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->replica_count); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.arbiter_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->arbiter_count); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.thin_arbiter_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->thin_arbiter_count); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.disperse_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->disperse_count); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.redundancy_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->redundancy_count); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.dist_count", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->dist_leaf_count); if (ret) goto out; snprintf(key, sizeof(key), "%s.ckusm", pfx); ret = dict_set_int64(dict, key, volinfo->cksum); if (ret) goto out; snprintf(key, sizeof(key), "%s.transport_type", pfx); ret = dict_set_uint32(dict, key, volinfo->transport_type); if (ret) goto out; snprintf(key, sizeof(key), "%s.stage_deleted", pfx); ret = dict_set_uint32(dict, key, (uint32_t)volinfo->stage_deleted); if (ret) goto out; ret = gd_add_vol_snap_details_to_dict(dict, pfx, volinfo); if (ret) goto out; volume_id_str = gf_strdup(uuid_utoa(volinfo->volume_id)); if (!volume_id_str) { ret = -1; goto out; } keylen = snprintf(key, sizeof(key), "%s.volume_id", pfx); ret = dict_set_dynstrn(dict, key, keylen, volume_id_str); if (ret) goto out; volume_id_str = NULL; keylen = snprintf(key, sizeof(key), "%s.username", pfx); str = glusterd_auth_get_username(volinfo); if (str) { ret = dict_set_dynstrn(dict, key, keylen, gf_strdup(str)); if (ret) goto out; } keylen = snprintf(key, sizeof(key), "%s.password", pfx); str = glusterd_auth_get_password(volinfo); if (str) { ret = dict_set_dynstrn(dict, key, keylen, gf_strdup(str)); if (ret) goto out; } keylen = snprintf(key, sizeof(key), "%s.rebalance", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->rebal.defrag_cmd); if (ret) goto out; rebalance_id_str = gf_strdup(uuid_utoa(volinfo->rebal.rebalance_id)); if (!rebalance_id_str) { ret = -1; goto out; } keylen = snprintf(key, sizeof(key), "%s.rebalance-id", pfx); ret = dict_set_dynstrn(dict, key, keylen, rebalance_id_str); if (ret) goto out; rebalance_id_str = NULL; snprintf(key, sizeof(key), "%s.rebalance-op", pfx); ret = dict_set_uint32(dict, key, volinfo->rebal.op); if (ret) goto out; if (volinfo->rebal.dict) { ctx.dict = dict; ctx.prefix = pfx; ctx.opt_count = 1; ctx.key_name = "rebal-dict-key"; ctx.val_name = "rebal-dict-value"; dict_foreach(volinfo->rebal.dict, _add_dict_to_prdict, &ctx); ctx.opt_count--; keylen = snprintf(key, sizeof(key), "volume%d.rebal-dict-count", count); ret = dict_set_int32n(dict, key, keylen, ctx.opt_count); if (ret) goto out; } ctx.dict = dict; ctx.prefix = pfx; ctx.opt_count = 1; ctx.key_name = "key"; ctx.val_name = "value"; GF_ASSERT(volinfo->dict); dict_foreach(volinfo->dict, _add_dict_to_prdict, &ctx); ctx.opt_count--; keylen = snprintf(key, sizeof(key), "%s.opt-count", pfx); ret = dict_set_int32n(dict, key, keylen, ctx.opt_count); if (ret) goto out; ctx.dict = dict; ctx.prefix = pfx; ctx.opt_count = 1; ctx.key_name = "slave-num"; ctx.val_name = "slave-val"; GF_ASSERT(volinfo->gsync_slaves); dict_foreach(volinfo->gsync_slaves, _add_dict_to_prdict, &ctx); ctx.opt_count--; keylen = snprintf(key, sizeof(key), "%s.gsync-count", pfx); ret = dict_set_int32n(dict, key, keylen, ctx.opt_count); if (ret) goto out; cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { keylen = snprintf(key, sizeof(key), "%s.brick%d.hostname", pfx, i); ret = dict_set_strn(dict, key, keylen, brickinfo->hostname); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.brick%d.path", pfx, i); ret = dict_set_strn(dict, key, keylen, brickinfo->path); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.brick%d.decommissioned", pfx, i); ret = dict_set_int32n(dict, key, keylen, brickinfo->decommissioned); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.brick%d.brick_id", pfx, i); ret = dict_set_strn(dict, key, keylen, brickinfo->brick_id); if (ret) goto out; snprintf(key, sizeof(key), "%s.brick%d.uuid", pfx, i); ret = dict_set_dynstr_with_alloc(dict, key, uuid_utoa(brickinfo->uuid)); if (ret) goto out; snprintf(key, sizeof(key), "%s.brick%d", pfx, i); ret = gd_add_brick_snap_details_to_dict(dict, key, brickinfo); if (ret) goto out; i++; } i = 1; if (volinfo->thin_arbiter_count == 1) { cds_list_for_each_entry(ta_brickinfo, &volinfo->ta_bricks, brick_list) { keylen = snprintf(key, sizeof(key), "%s.ta-brick%d.hostname", pfx, i); ret = dict_set_strn(dict, key, keylen, ta_brickinfo->hostname); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.ta-brick%d.path", pfx, i); ret = dict_set_strn(dict, key, keylen, ta_brickinfo->path); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.ta-brick%d.decommissioned", pfx, i); ret = dict_set_int32n(dict, key, keylen, ta_brickinfo->decommissioned); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.ta-brick%d.brick_id", pfx, i); ret = dict_set_strn(dict, key, keylen, ta_brickinfo->brick_id); if (ret) goto out; snprintf(key, sizeof(key), "%s.ta-brick%d.uuid", pfx, i); ret = dict_set_dynstr_with_alloc(dict, key, uuid_utoa(ta_brickinfo->uuid)); if (ret) goto out; i++; } } /* Add volume op-versions to dict. This prevents volume inconsistencies * in the cluster */ keylen = snprintf(key, sizeof(key), "%s.op-version", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->op_version); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.client-op-version", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->client_op_version); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.quota-xattr-version", pfx); ret = dict_set_int32n(dict, key, keylen, volinfo->quota_xattr_version); out: GF_FREE(volume_id_str); GF_FREE(rebalance_id_str); GF_FREE(rb_id_str); gf_msg_debug(this->name, 0, "Returning with %d", ret); return ret; } /* The prefix represents the type of volume to be added. * It will be "volume" for normal volumes, and snap# like * snap1, snap2, for snapshot volumes */ int glusterd_vol_add_quota_conf_to_dict(glusterd_volinfo_t *volinfo, dict_t *load, int vol_idx, char *prefix) { int fd = -1; unsigned char buf[16] = ""; char key[64]; char key_prefix[32]; int gfid_idx = 0; int ret = -1; xlator_t *this = NULL; char type = 0; float version = 0.0f; this = THIS; GF_ASSERT(this); GF_ASSERT(prefix); ret = glusterd_store_create_quota_conf_sh_on_absence(volinfo); if (ret) goto out; fd = open(volinfo->quota_conf_shandle->path, O_RDONLY); if (fd == -1) { ret = -1; goto out; } ret = quota_conf_read_version(fd, &version); if (ret) goto out; ret = snprintf(key_prefix, sizeof(key_prefix), "%s%d", prefix, vol_idx); if (ret < 0 || ret >= sizeof(key_prefix)) { ret = -1; goto out; } for (gfid_idx = 0;; gfid_idx++) { ret = quota_conf_read_gfid(fd, buf, &type, version); if (ret == 0) { break; } else if (ret < 0) { gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_QUOTA_CONF_CORRUPT, "Quota " "configuration store may be corrupt."); goto out; } snprintf(key, sizeof(key) - 1, "%s.gfid%d", key_prefix, gfid_idx); ret = dict_set_dynstr_with_alloc(load, key, uuid_utoa(buf)); if (ret) goto out; snprintf(key, sizeof(key) - 1, "%s.gfid-type%d", key_prefix, gfid_idx); ret = dict_set_int8(load, key, type); if (ret) goto out; } ret = snprintf(key, sizeof(key), "%s.gfid-count", key_prefix); ret = dict_set_int32n(load, key, ret, gfid_idx); if (ret) goto out; snprintf(key, sizeof(key), "%s.quota-cksum", key_prefix); ret = dict_set_uint32(load, key, volinfo->quota_conf_cksum); if (ret) goto out; snprintf(key, sizeof(key), "%s.quota-version", key_prefix); ret = dict_set_uint32(load, key, volinfo->quota_conf_version); if (ret) goto out; ret = 0; out: if (fd != -1) sys_close(fd); return ret; } void * glusterd_add_bulk_volumes_create_thread(void *data) { int32_t ret = -1; glusterd_conf_t *priv = NULL; glusterd_volinfo_t *volinfo = NULL; int32_t count = 0; xlator_t *this = NULL; glusterd_add_dict_args_t *arg = NULL; dict_t *dict = NULL; int start = 0; int end = 0; GF_ASSERT(data); arg = data; dict = arg->voldict; start = arg->start; end = arg->end; this = arg->this; THIS = arg->this; priv = this->private; GF_ASSERT(priv); cds_list_for_each_entry(volinfo, &priv->volumes, vol_list) { count++; /* Skip volumes if index count is less than start index to handle volume for specific thread */ if (count < start) continue; /* No need to process volume if index count is greater than end index */ if (count > end) break; ret = glusterd_add_volume_to_dict(volinfo, dict, count, "volume"); if (ret) goto out; if (!dict_get_sizen(volinfo->dict, VKEY_FEATURES_QUOTA)) continue; ret = glusterd_vol_add_quota_conf_to_dict(volinfo, dict, count, "volume"); if (ret) goto out; } out: GF_ATOMIC_DEC(priv->thread_count); free(arg); return NULL; } int glusterd_dict_searialize(dict_t *dict_arr[], int count, int totcount, char *buf) { int i = 0; int32_t keylen = 0; int64_t netword = 0; data_pair_t *pair = NULL; int dict_count = 0; int ret = 0; netword = hton32(totcount); memcpy(buf, &netword, sizeof(netword)); buf += DICT_HDR_LEN; for (i = 0; i < count; i++) { if (dict_arr[i]) { dict_count = dict_arr[i]->count; pair = dict_arr[i]->members_list; while (dict_count) { if (!pair) { gf_msg("glusterd", GF_LOG_ERROR, 0, LG_MSG_PAIRS_LESS_THAN_COUNT, "less than count data pairs found!"); ret = -1; goto out; } if (!pair->key) { gf_msg("glusterd", GF_LOG_ERROR, 0, LG_MSG_NULL_PTR, "pair->key is null!"); ret = -1; goto out; } keylen = strlen(pair->key); netword = hton32(keylen); memcpy(buf, &netword, sizeof(netword)); buf += DICT_DATA_HDR_KEY_LEN; if (!pair->value) { gf_msg("glusterd", GF_LOG_ERROR, 0, LG_MSG_NULL_PTR, "pair->value is null!"); ret = -1; goto out; } netword = hton32(pair->value->len); memcpy(buf, &netword, sizeof(netword)); buf += DICT_DATA_HDR_VAL_LEN; memcpy(buf, pair->key, keylen); buf += keylen; *buf++ = '\0'; if (pair->value->data) { memcpy(buf, pair->value->data, pair->value->len); buf += pair->value->len; } pair = pair->next; dict_count--; } } } out: for (i = 0; i < count; i++) { if (dict_arr[i]) dict_unref(dict_arr[i]); } return ret; } int glusterd_dict_arr_serialize(dict_t *dict_arr[], int count, char **buf, u_int *length) { ssize_t len = 0; int i = 0; int totcount = 0; int ret = 0; for (i = 0; i < count; i++) { if (dict_arr[i]) { len += dict_serialized_length_lk(dict_arr[i]); totcount += dict_arr[i]->count; } } // Subtract HDR_LEN except one dictionary len = len - ((count - 1) * DICT_HDR_LEN); *buf = GF_MALLOC(len, gf_common_mt_char); if (*buf == NULL) { ret = -ENOMEM; goto out; } if (length != NULL) { *length = len; } ret = glusterd_dict_searialize(dict_arr, count, totcount, *buf); out: return ret; } int32_t glusterd_add_volumes_to_export_dict(dict_t *peer_data, char **buf, u_int *length) { int32_t ret = -1; dict_t *dict_arr[128] = { 0, }; glusterd_conf_t *priv = NULL; glusterd_volinfo_t *volinfo = NULL; int32_t count = 0; glusterd_dict_ctx_t ctx = {0}; xlator_t *this = NULL; int totthread = 0; int volcnt = 0; int start = 1; int endindex = 0; int vol_per_thread_limit = 0; glusterd_add_dict_args_t *arg = NULL; pthread_t th_id = { 0, }; int th_ret = 0; int i = 0; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); /* Count the total number of volumes */ cds_list_for_each_entry(volinfo, &priv->volumes, vol_list) volcnt++; get_gd_vol_thread_limit(&vol_per_thread_limit); if ((vol_per_thread_limit == 1) || (vol_per_thread_limit == 0) || (vol_per_thread_limit > 100)) { totthread = 0; } else { totthread = volcnt / vol_per_thread_limit; if (totthread) { endindex = volcnt % vol_per_thread_limit; if (endindex) totthread++; } } if (totthread == 0) { cds_list_for_each_entry(volinfo, &priv->volumes, vol_list) { count++; ret = glusterd_add_volume_to_dict(volinfo, peer_data, count, "volume"); if (ret) goto out; if (!dict_get_sizen(volinfo->dict, VKEY_FEATURES_QUOTA)) continue; ret = glusterd_vol_add_quota_conf_to_dict(volinfo, peer_data, count, "volume"); if (ret) goto out; } } else { for (i = 0; i < totthread; i++) { arg = calloc(1, sizeof(*arg)); dict_arr[i] = dict_new(); arg->this = this; arg->voldict = dict_arr[i]; arg->start = start; if ((i + 1) != totthread) { arg->end = ((i + 1) * vol_per_thread_limit); } else { arg->end = (((i + 1) * vol_per_thread_limit) + endindex); } th_ret = gf_thread_create_detached( &th_id, glusterd_add_bulk_volumes_create_thread, arg, "bulkvoldict"); if (th_ret) { gf_log(this->name, GF_LOG_ERROR, "glusterd_add_bulk_volume %s" " thread creation failed", "bulkvoldict"); free(arg); goto out; } start = start + vol_per_thread_limit; GF_ATOMIC_INC(priv->thread_count); gf_log(this->name, GF_LOG_INFO, "Create thread %d to populate dict data for volume" " start index is %d end index is %d", (i + 1), arg->start, arg->end); } while (GF_ATOMIC_GET(priv->thread_count)) { sleep(1); } gf_log(this->name, GF_LOG_INFO, "Finished dictionary popluation in all threads"); } ret = dict_set_int32n(peer_data, "count", SLEN("count"), volcnt); if (ret) goto out; ctx.dict = peer_data; ctx.prefix = "global"; ctx.opt_count = 1; ctx.key_name = "key"; ctx.val_name = "val"; dict_foreach(priv->opts, _add_dict_to_prdict, &ctx); ctx.opt_count--; ret = dict_set_int32n(peer_data, "global-opt-count", SLEN("global-opt-count"), ctx.opt_count); if (ret) goto out; if (totthread) { gf_log(this->name, GF_LOG_INFO, "Finished merger of all dictionraies into single one"); dict_arr[totthread++] = dict_ref(peer_data); ret = glusterd_dict_arr_serialize(dict_arr, totthread, buf, length); gf_log(this->name, GF_LOG_INFO, "Serialize dictionary data return is %d", ret); } out: gf_msg_trace(this->name, 0, "Returning %d", ret); return ret; } static int32_t glusterd_compare_friend_volume(dict_t *peer_data, int32_t count, int32_t *status, char *hostname) { int32_t ret = -1; char key[64] = ""; char key_prefix[32]; int keylen; glusterd_volinfo_t *volinfo = NULL; char *volname = NULL; uint32_t cksum = 0; uint32_t quota_cksum = 0; uint32_t quota_version = 0; uint32_t stage_deleted = 0; int32_t version = 0; xlator_t *this = NULL; GF_ASSERT(peer_data); GF_ASSERT(status); this = THIS; GF_ASSERT(this); snprintf(key_prefix, sizeof(key_prefix), "volume%d", count); keylen = snprintf(key, sizeof(key), "%s.name", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &volname); if (ret) goto out; ret = glusterd_volinfo_find(volname, &volinfo); if (ret) { snprintf(key, sizeof(key), "%s.stage_deleted", key_prefix); ret = dict_get_uint32(peer_data, key, &stage_deleted); /* stage_deleted = 1 means the volume is still in the process of * deleting a volume, so we shouldn't be trying to create a * fresh volume here which would lead to a stale entry */ if (!ret && stage_deleted == 0) *status = GLUSTERD_VOL_COMP_UPDATE_REQ; goto out; } keylen = snprintf(key, sizeof(key), "%s.version", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &version); if (ret) goto out; if (version > volinfo->version) { // Mismatch detected gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_VOL_VERS_MISMATCH, "Version of volume %s differ. local version = %d, " "remote version = %d on peer %s", volinfo->volname, volinfo->version, version, hostname); *status = GLUSTERD_VOL_COMP_UPDATE_REQ; goto out; } else if (version < volinfo->version) { *status = GLUSTERD_VOL_COMP_SCS; goto out; } // Now, versions are same, compare cksums. // snprintf(key, sizeof(key), "%s.ckusm", key_prefix); ret = dict_get_uint32(peer_data, key, &cksum); if (ret) goto out; if (cksum != volinfo->cksum) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_CKSUM_VERS_MISMATCH, "Version of Cksums %s differ. local cksum = %u, remote " "cksum = %u on peer %s", volinfo->volname, volinfo->cksum, cksum, hostname); *status = GLUSTERD_VOL_COMP_RJT; goto out; } if (!dict_get_sizen(volinfo->dict, VKEY_FEATURES_QUOTA)) goto skip_quota; snprintf(key, sizeof(key), "%s.quota-version", key_prefix); ret = dict_get_uint32(peer_data, key, "a_version); if (ret) { gf_msg_debug(this->name, 0, "quota-version key absent for" " volume %s in peer %s's response", volinfo->volname, hostname); } else { if (quota_version > volinfo->quota_conf_version) { // Mismatch detected gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_QUOTA_CONFIG_VERS_MISMATCH, "Quota configuration versions of volume %s " "differ. local version = %d, remote version = " "%d on peer %s", volinfo->volname, volinfo->quota_conf_version, quota_version, hostname); *status = GLUSTERD_VOL_COMP_UPDATE_REQ; goto out; } else if (quota_version < volinfo->quota_conf_version) { *status = GLUSTERD_VOL_COMP_SCS; goto out; } } // Now, versions are same, compare cksums. // snprintf(key, sizeof(key), "%s.quota-cksum", key_prefix); ret = dict_get_uint32(peer_data, key, "a_cksum); if (ret) { gf_msg_debug(this->name, 0, "quota checksum absent for " "volume %s in peer %s's response", volinfo->volname, hostname); } else { if (quota_cksum != volinfo->quota_conf_cksum) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_QUOTA_CONFIG_CKSUM_MISMATCH, "Cksums of " "quota configuration of volume %s differ. local" " cksum = %u, remote cksum = %u on peer %s", volinfo->volname, volinfo->quota_conf_cksum, quota_cksum, hostname); *status = GLUSTERD_VOL_COMP_RJT; goto out; } } skip_quota: *status = GLUSTERD_VOL_COMP_SCS; out: keylen = snprintf(key, sizeof(key), "%s.update", key_prefix); if (*status == GLUSTERD_VOL_COMP_UPDATE_REQ) { ret = dict_set_int32n(peer_data, key, keylen, 1); } else { ret = dict_set_int32n(peer_data, key, keylen, 0); } if (*status == GLUSTERD_VOL_COMP_RJT) { gf_event(EVENT_COMPARE_FRIEND_VOLUME_FAILED, "volume=%s", volinfo->volname); } gf_msg_debug(this->name, 0, "Returning with ret: %d, status: %d", ret, *status); return ret; } static int32_t import_prdict_dict(dict_t *peer_data, dict_t *dst_dict, char *key_prefix, char *value_prefix, int opt_count, char *prefix) { char key[512] = ""; int keylen; int32_t ret = 0; int i = 1; char *opt_key = NULL; char *opt_val = NULL; char *dup_opt_val = NULL; char msg[2048] = ""; while (i <= opt_count) { keylen = snprintf(key, sizeof(key), "%s.%s%d", prefix, key_prefix, i); ret = dict_get_strn(peer_data, key, keylen, &opt_key); if (ret) { snprintf(msg, sizeof(msg), "Volume dict key not " "specified"); goto out; } keylen = snprintf(key, sizeof(key), "%s.%s%d", prefix, value_prefix, i); ret = dict_get_strn(peer_data, key, keylen, &opt_val); if (ret) { snprintf(msg, sizeof(msg), "Volume dict value not " "specified"); goto out; } dup_opt_val = gf_strdup(opt_val); if (!dup_opt_val) { ret = -1; goto out; } ret = dict_set_dynstr(dst_dict, opt_key, dup_opt_val); if (ret) { snprintf(msg, sizeof(msg), "Volume set %s %s " "unsuccessful", opt_key, dup_opt_val); goto out; } i++; } out: if (msg[0]) gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_IMPORT_PRDICT_DICT, "%s", msg); gf_msg_debug("glusterd", 0, "Returning with %d", ret); return ret; } int glusterd_spawn_daemons(void *opaque) { glusterd_conf_t *conf = THIS->private; int ret = -1; /* glusterd_restart_brick() will take the sync_lock. */ glusterd_restart_bricks(NULL); glusterd_restart_gsyncds(conf); glusterd_restart_rebalance(conf); ret = glusterd_snapdsvc_restart(); ret = glusterd_gfproxydsvc_restart(); ret = glusterd_shdsvc_restart(); return ret; } static int32_t glusterd_import_friend_volume_opts(dict_t *peer_data, int count, glusterd_volinfo_t *volinfo, char *prefix) { char key[64]; int keylen; int32_t ret = -1; int opt_count = 0; char msg[2048] = ""; char volume_prefix[32]; GF_ASSERT(peer_data); GF_ASSERT(volinfo); snprintf(volume_prefix, sizeof(volume_prefix), "%s%d", prefix, count); keylen = snprintf(key, sizeof(key), "%s.opt-count", volume_prefix); ret = dict_get_int32n(peer_data, key, keylen, &opt_count); if (ret) { snprintf(msg, sizeof(msg), "Volume option count not " "specified for %s", volinfo->volname); goto out; } ret = import_prdict_dict(peer_data, volinfo->dict, "key", "value", opt_count, volume_prefix); if (ret) { snprintf(msg, sizeof(msg), "Unable to import options dict " "specified for %s", volinfo->volname); goto out; } keylen = snprintf(key, sizeof(key), "%s.gsync-count", volume_prefix); ret = dict_get_int32n(peer_data, key, keylen, &opt_count); if (ret) { snprintf(msg, sizeof(msg), "Gsync count not " "specified for %s", volinfo->volname); goto out; } ret = import_prdict_dict(peer_data, volinfo->gsync_slaves, "slave-num", "slave-val", opt_count, volume_prefix); if (ret) { snprintf(msg, sizeof(msg), "Unable to import gsync sessions " "specified for %s", volinfo->volname); goto out; } out: if (msg[0]) gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_VOL_OPTS_IMPORT_FAIL, "%s", msg); gf_msg_debug("glusterd", 0, "Returning with %d", ret); return ret; } static int32_t glusterd_import_new_ta_brick(dict_t *peer_data, int32_t vol_count, int32_t brick_count, glusterd_brickinfo_t **ta_brickinfo, char *prefix) { char key[128]; char key_prefix[64]; int keylen; int ret = -1; char *hostname = NULL; char *path = NULL; char *brick_id = NULL; int decommissioned = 0; glusterd_brickinfo_t *new_ta_brickinfo = NULL; char msg[256] = ""; char *brick_uuid_str = NULL; GF_ASSERT(peer_data); GF_ASSERT(vol_count >= 0); GF_ASSERT(ta_brickinfo); GF_ASSERT(prefix); ret = snprintf(key_prefix, sizeof(key_prefix), "%s%d.ta-brick%d", prefix, vol_count, brick_count); if (ret < 0 || ret >= sizeof(key_prefix)) { ret = -1; snprintf(msg, sizeof(msg), "key_prefix too long"); goto out; } keylen = snprintf(key, sizeof(key), "%s.hostname", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &hostname); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload", key); goto out; } keylen = snprintf(key, sizeof(key), "%s.path", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &path); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload", key); goto out; } keylen = snprintf(key, sizeof(key), "%s.brick_id", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &brick_id); keylen = snprintf(key, sizeof(key), "%s.decommissioned", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &decommissioned); if (ret) { /* For backward compatibility */ ret = 0; } ret = glusterd_brickinfo_new(&new_ta_brickinfo); if (ret) goto out; ret = snprintf(new_ta_brickinfo->path, sizeof(new_ta_brickinfo->path), "%s", path); if (ret < 0 || ret >= sizeof(new_ta_brickinfo->path)) { ret = -1; goto out; } ret = snprintf(new_ta_brickinfo->hostname, sizeof(new_ta_brickinfo->hostname), "%s", hostname); if (ret < 0 || ret >= sizeof(new_ta_brickinfo->hostname)) { ret = -1; goto out; } new_ta_brickinfo->decommissioned = decommissioned; if (brick_id) (void)snprintf(new_ta_brickinfo->brick_id, sizeof(new_ta_brickinfo->brick_id), "%s", brick_id); keylen = snprintf(key, sizeof(key), "%s.uuid", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &brick_uuid_str); if (ret) goto out; gf_uuid_parse(brick_uuid_str, new_ta_brickinfo->uuid); *ta_brickinfo = new_ta_brickinfo; out: if (msg[0]) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_BRICK_IMPORT_FAIL, "%s", msg); gf_event(EVENT_IMPORT_BRICK_FAILED, "peer=%s;ta-brick=%s", new_ta_brickinfo->hostname, new_ta_brickinfo->path); } gf_msg_debug("glusterd", 0, "Returning with %d", ret); return ret; } /* The prefix represents the type of volume to be added. * It will be "volume" for normal volumes, and snap# like * snap1, snap2, for snapshot volumes */ static int32_t glusterd_import_new_brick(dict_t *peer_data, int32_t vol_count, int32_t brick_count, glusterd_brickinfo_t **brickinfo, char *prefix) { char key[128]; char key_prefix[64]; int keylen; int ret = -1; char *hostname = NULL; char *path = NULL; char *brick_id = NULL; int decommissioned = 0; glusterd_brickinfo_t *new_brickinfo = NULL; char msg[256] = ""; char *brick_uuid_str = NULL; GF_ASSERT(peer_data); GF_ASSERT(vol_count >= 0); GF_ASSERT(brickinfo); GF_ASSERT(prefix); ret = snprintf(key_prefix, sizeof(key_prefix), "%s%d.brick%d", prefix, vol_count, brick_count); if (ret < 0 || ret >= sizeof(key_prefix)) { ret = -1; snprintf(msg, sizeof(msg), "key_prefix too long"); goto out; } keylen = snprintf(key, sizeof(key), "%s.hostname", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &hostname); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload", key); goto out; } keylen = snprintf(key, sizeof(key), "%s.path", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &path); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload", key); goto out; } keylen = snprintf(key, sizeof(key), "%s.brick_id", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &brick_id); keylen = snprintf(key, sizeof(key), "%s.decommissioned", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &decommissioned); if (ret) { /* For backward compatibility */ ret = 0; } ret = glusterd_brickinfo_new(&new_brickinfo); if (ret) goto out; ret = snprintf(new_brickinfo->path, sizeof(new_brickinfo->path), "%s", path); if (ret < 0 || ret >= sizeof(new_brickinfo->path)) { ret = -1; goto out; } ret = snprintf(new_brickinfo->hostname, sizeof(new_brickinfo->hostname), "%s", hostname); if (ret < 0 || ret >= sizeof(new_brickinfo->hostname)) { ret = -1; goto out; } new_brickinfo->decommissioned = decommissioned; if (brick_id) (void)snprintf(new_brickinfo->brick_id, sizeof(new_brickinfo->brick_id), "%s", brick_id); ret = gd_import_new_brick_snap_details(peer_data, key_prefix, new_brickinfo); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.uuid", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &brick_uuid_str); if (ret) goto out; gf_uuid_parse(brick_uuid_str, new_brickinfo->uuid); *brickinfo = new_brickinfo; out: if (msg[0]) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_BRICK_IMPORT_FAIL, "%s", msg); gf_event(EVENT_IMPORT_BRICK_FAILED, "peer=%s;brick=%s", new_brickinfo->hostname, new_brickinfo->path); } gf_msg_debug("glusterd", 0, "Returning with %d", ret); return ret; } /* The prefix represents the type of volume to be added. * It will be "volume" for normal volumes, and snap# like * snap1, snap2, for snapshot volumes */ static int32_t glusterd_import_bricks(dict_t *peer_data, int32_t vol_count, glusterd_volinfo_t *new_volinfo, char *prefix) { int ret = -1; int brick_count = 1; int ta_brick_count = 1; int brickid = 0; glusterd_brickinfo_t *new_brickinfo = NULL; glusterd_brickinfo_t *new_ta_brickinfo = NULL; GF_ASSERT(peer_data); GF_ASSERT(vol_count >= 0); GF_ASSERT(new_volinfo); GF_ASSERT(prefix); while (brick_count <= new_volinfo->brick_count) { ret = glusterd_import_new_brick(peer_data, vol_count, brick_count, &new_brickinfo, prefix); if (ret) goto out; if (new_brickinfo->brick_id[0] == '\0') /*We were probed from a peer having op-version less than GD_OP_VER_PERSISTENT_AFR_XATTRS*/ GLUSTERD_ASSIGN_BRICKID_TO_BRICKINFO(new_brickinfo, new_volinfo, brickid++); cds_list_add_tail(&new_brickinfo->brick_list, &new_volinfo->bricks); brick_count++; } if (new_volinfo->thin_arbiter_count == 1) { while (ta_brick_count <= new_volinfo->subvol_count) { ret = glusterd_import_new_ta_brick(peer_data, vol_count, ta_brick_count, &new_ta_brickinfo, prefix); if (ret) goto out; cds_list_add_tail(&new_ta_brickinfo->brick_list, &new_volinfo->ta_bricks); ta_brick_count++; } } ret = 0; out: gf_msg_debug("glusterd", 0, "Returning with %d", ret); return ret; } /* The prefix represents the type of volume to be added. * It will be "volume" for normal volumes, and snap# like * snap1, snap2, for snapshot volumes */ int glusterd_import_quota_conf(dict_t *peer_data, int vol_idx, glusterd_volinfo_t *new_volinfo, char *prefix) { int gfid_idx = 0; int gfid_count = 0; int ret = -1; int fd = -1; char key[128]; char key_prefix[64]; int keylen; char *gfid_str = NULL; uuid_t gfid = { 0, }; xlator_t *this = NULL; int8_t gfid_type = 0; this = THIS; GF_ASSERT(this); GF_ASSERT(peer_data); GF_ASSERT(prefix); if (!glusterd_is_volume_quota_enabled(new_volinfo)) { (void)glusterd_clean_up_quota_store(new_volinfo); return 0; } ret = glusterd_store_create_quota_conf_sh_on_absence(new_volinfo); if (ret) goto out; fd = gf_store_mkstemp(new_volinfo->quota_conf_shandle); if (fd < 0) { ret = -1; goto out; } ret = snprintf(key_prefix, sizeof(key_prefix), "%s%d", prefix, vol_idx); if (ret < 0 || ret >= sizeof(key_prefix)) { ret = -1; gf_msg_debug(this->name, 0, "Failed to set key_prefix for quota conf"); goto out; } snprintf(key, sizeof(key), "%s.quota-cksum", key_prefix); ret = dict_get_uint32(peer_data, key, &new_volinfo->quota_conf_cksum); if (ret) gf_msg_debug(this->name, 0, "Failed to get quota cksum"); snprintf(key, sizeof(key), "%s.quota-version", key_prefix); ret = dict_get_uint32(peer_data, key, &new_volinfo->quota_conf_version); if (ret) gf_msg_debug(this->name, 0, "Failed to get quota " "version"); keylen = snprintf(key, sizeof(key), "%s.gfid-count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &gfid_count); if (ret) goto out; ret = glusterd_quota_conf_write_header(fd); if (ret) goto out; for (gfid_idx = 0; gfid_idx < gfid_count; gfid_idx++) { keylen = snprintf(key, sizeof(key) - 1, "%s.gfid%d", key_prefix, gfid_idx); ret = dict_get_strn(peer_data, key, keylen, &gfid_str); if (ret) goto out; snprintf(key, sizeof(key) - 1, "%s.gfid-type%d", key_prefix, gfid_idx); ret = dict_get_int8(peer_data, key, &gfid_type); if (ret) gfid_type = GF_QUOTA_CONF_TYPE_USAGE; gf_uuid_parse(gfid_str, gfid); ret = glusterd_quota_conf_write_gfid(fd, gfid, (char)gfid_type); if (ret < 0) { gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_QUOTA_CONF_WRITE_FAIL, "Unable to write " "gfid %s into quota.conf for %s", gfid_str, new_volinfo->volname); ret = -1; goto out; } } ret = gf_store_rename_tmppath(new_volinfo->quota_conf_shandle); ret = 0; out: if (!ret) { ret = glusterd_compute_cksum(new_volinfo, _gf_true); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_CKSUM_COMPUTE_FAIL, "Failed to compute checksum"); goto clear_quota_conf; } ret = glusterd_store_save_quota_version_and_cksum(new_volinfo); if (ret) gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_QUOTA_CKSUM_VER_STORE_FAIL, "Failed to save quota version and checksum"); } clear_quota_conf: if (ret && (fd > 0)) { gf_store_unlink_tmppath(new_volinfo->quota_conf_shandle); (void)gf_store_handle_destroy(new_volinfo->quota_conf_shandle); new_volinfo->quota_conf_shandle = NULL; } return ret; } int gd_import_friend_volume_rebal_dict(dict_t *dict, int count, glusterd_volinfo_t *volinfo) { int ret = -1; char key[64] = ""; int dict_count = 0; char key_prefix[32]; GF_ASSERT(dict); GF_ASSERT(volinfo); snprintf(key_prefix, sizeof(key_prefix), "volume%d", count); ret = snprintf(key, sizeof(key), "%s.rebal-dict-count", key_prefix); ret = dict_get_int32n(dict, key, ret, &dict_count); if (ret) { /* Older peers will not have this dict */ ret = 0; goto out; } volinfo->rebal.dict = dict_new(); if (!volinfo->rebal.dict) { ret = -1; goto out; } ret = import_prdict_dict(dict, volinfo->rebal.dict, "rebal-dict-key", "rebal-dict-value", dict_count, key_prefix); out: if (ret && volinfo->rebal.dict) dict_unref(volinfo->rebal.dict); gf_msg_debug(THIS->name, 0, "Returning with %d", ret); return ret; } /* The prefix represents the type of volume to be added. * It will be "volume" for normal volumes, and snap# like * snap1, snap2, for snapshot volumes */ int32_t glusterd_import_volinfo(dict_t *peer_data, int count, glusterd_volinfo_t **volinfo, char *prefix) { int ret = -1; char key[64] = ""; char key_prefix[32]; int keylen; char *parent_volname = NULL; char *volname = NULL; glusterd_volinfo_t *new_volinfo = NULL; char *volume_id_str = NULL; char msg[2048] = ""; char *str = NULL; char *rebalance_id_str = NULL; int op_version = 0; int client_op_version = 0; uint32_t stage_deleted = 0; GF_ASSERT(peer_data); GF_ASSERT(volinfo); GF_ASSERT(prefix); ret = snprintf(key_prefix, sizeof(key_prefix), "%s%d", prefix, count); if (ret < 0 || ret >= sizeof(key_prefix)) { ret = -1; snprintf(msg, sizeof(msg), "key_prefix too big"); goto out; } keylen = snprintf(key, sizeof(key), "%s.name", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &volname); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload", key); goto out; } snprintf(key, sizeof(key), "%s.stage_deleted", key_prefix); ret = dict_get_uint32(peer_data, key, &stage_deleted); /* stage_deleted = 1 means the volume is still in the process of * deleting a volume, so we shouldn't be trying to create a * fresh volume here which would lead to a stale entry */ if (stage_deleted) { goto out; } ret = glusterd_volinfo_new(&new_volinfo); if (ret) goto out; ret = snprintf(new_volinfo->volname, sizeof(new_volinfo->volname), "%s", volname); if (ret < 0 || ret >= sizeof(new_volinfo->volname)) { ret = -1; goto out; } keylen = snprintf(key, sizeof(key), "%s.type", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->type); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } keylen = snprintf(key, sizeof(key), "%s.parent_volname", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &parent_volname); if (!ret) { ret = snprintf(new_volinfo->parent_volname, sizeof(new_volinfo->parent_volname), "%s", parent_volname); if (ret < 0 || ret >= sizeof(new_volinfo->volname)) { ret = -1; goto out; } } keylen = snprintf(key, sizeof(key), "%s.brick_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->brick_count); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } keylen = snprintf(key, sizeof(key), "%s.version", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->version); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } keylen = snprintf(key, sizeof(key), "%s.status", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, (int32_t *)&new_volinfo->status); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } keylen = snprintf(key, sizeof(key), "%s.sub_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->sub_count); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } keylen = snprintf(key, sizeof(key), "%s.subvol_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->subvol_count); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } /* not having a 'stripe_count' key is not a error (as peer may be of old version) */ keylen = snprintf(key, sizeof(key), "%s.stripe_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->stripe_count); if (ret) gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "peer is possibly old version"); /* not having a 'replica_count' key is not a error (as peer may be of old version) */ keylen = snprintf(key, sizeof(key), "%s.replica_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->replica_count); if (ret) gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "peer is possibly old version"); /* not having a 'arbiter_count' key is not a error (as peer may be of old version) */ keylen = snprintf(key, sizeof(key), "%s.arbiter_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->arbiter_count); if (ret) gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "peer is possibly old version"); /* not having a 'thin_arbiter_count' key is not a error (as peer may be of old version) */ keylen = snprintf(key, sizeof(key), "%s.thin_arbiter_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->thin_arbiter_count); if (ret) gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "peer is possibly old version"); /* not having a 'disperse_count' key is not a error (as peer may be of old version) */ keylen = snprintf(key, sizeof(key), "%s.disperse_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->disperse_count); if (ret) gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "peer is possibly old version"); /* not having a 'redundancy_count' key is not a error (as peer may be of old version) */ keylen = snprintf(key, sizeof(key), "%s.redundancy_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->redundancy_count); if (ret) gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "peer is possibly old version"); /* not having a 'dist_count' key is not a error (as peer may be of old version) */ keylen = snprintf(key, sizeof(key), "%s.dist_count", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->dist_leaf_count); if (ret) gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "peer is possibly old version"); new_volinfo->subvol_count = new_volinfo->brick_count / glusterd_get_dist_leaf_count(new_volinfo); snprintf(key, sizeof(key), "%s.ckusm", key_prefix); ret = dict_get_uint32(peer_data, key, &new_volinfo->cksum); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } keylen = snprintf(key, sizeof(key), "%s.volume_id", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &volume_id_str); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } gf_uuid_parse(volume_id_str, new_volinfo->volume_id); keylen = snprintf(key, sizeof(key), "%s.username", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &str); if (!ret) { ret = glusterd_auth_set_username(new_volinfo, str); if (ret) goto out; } keylen = snprintf(key, sizeof(key), "%s.password", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &str); if (!ret) { ret = glusterd_auth_set_password(new_volinfo, str); if (ret) goto out; } snprintf(key, sizeof(key), "%s.transport_type", key_prefix); ret = dict_get_uint32(peer_data, key, &new_volinfo->transport_type); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } snprintf(key, sizeof(key), "%s.rebalance", key_prefix); ret = dict_get_uint32(peer_data, key, &new_volinfo->rebal.defrag_cmd); if (ret) { snprintf(msg, sizeof(msg), "%s missing in payload for %s", key, volname); goto out; } keylen = snprintf(key, sizeof(key), "%s.rebalance-id", key_prefix); ret = dict_get_strn(peer_data, key, keylen, &rebalance_id_str); if (ret) { /* This is not present in older glusterfs versions, * so don't error out */ ret = 0; } else { gf_uuid_parse(rebalance_id_str, new_volinfo->rebal.rebalance_id); } snprintf(key, sizeof(key), "%s.rebalance-op", key_prefix); /* This is not present in older glusterfs versions, * so don't error out */ ret = dict_get_uint32(peer_data, key, (uint32_t *)&new_volinfo->rebal.op); ret = gd_import_friend_volume_rebal_dict(peer_data, count, new_volinfo); if (ret) { snprintf(msg, sizeof(msg), "Failed to import rebalance dict " "for volume."); goto out; } ret = gd_import_volume_snap_details(peer_data, new_volinfo, key_prefix, volname); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_SNAP_DETAILS_IMPORT_FAIL, "Failed to import snapshot " "details for volume %s", volname); goto out; } ret = glusterd_import_friend_volume_opts(peer_data, count, new_volinfo, prefix); if (ret) goto out; /* Import the volume's op-versions if available else set it to 1. * Not having op-versions implies this informtation was obtained from a * op-version 1 friend (gluster-3.3), ergo the cluster is at op-version * 1 and all volumes are at op-versions 1. * * Either both the volume op-versions should be absent or both should be * present. Only one being present is a failure */ keylen = snprintf(key, sizeof(key), "%s.op-version", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &op_version); if (ret) ret = 0; keylen = snprintf(key, sizeof(key), "%s.client-op-version", key_prefix); ret = dict_get_int32n(peer_data, key, keylen, &client_op_version); if (ret) ret = 0; if (op_version && client_op_version) { new_volinfo->op_version = op_version; new_volinfo->client_op_version = client_op_version; } else if (((op_version == 0) && (client_op_version != 0)) || ((op_version != 0) && (client_op_version == 0))) { ret = -1; gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Only one volume op-version found"); goto out; } else { new_volinfo->op_version = 1; new_volinfo->client_op_version = 1; } keylen = snprintf(key, sizeof(key), "%s.quota-xattr-version", key_prefix); /*This is not present in older glusterfs versions, so ignore ret value*/ ret = dict_get_int32n(peer_data, key, keylen, &new_volinfo->quota_xattr_version); ret = glusterd_import_bricks(peer_data, count, new_volinfo, prefix); if (ret) goto out; *volinfo = new_volinfo; out: if (msg[0]) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_VOLINFO_IMPORT_FAIL, "%s", msg); gf_event(EVENT_IMPORT_VOLUME_FAILED, "volume=%s", new_volinfo->volname); } gf_msg_debug("glusterd", 0, "Returning with %d", ret); return ret; } int32_t glusterd_volume_disconnect_all_bricks(glusterd_volinfo_t *volinfo) { int ret = 0; glusterd_brickinfo_t *brickinfo = NULL; glusterd_brick_proc_t *brick_proc = NULL; int brick_count = 0; GF_ASSERT(volinfo); cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { if (glusterd_is_brick_started(brickinfo)) { /* If brick multiplexing is enabled then we can't * blindly set brickinfo->rpc to NULL as it might impact * the other attached bricks. */ ret = glusterd_brick_proc_for_port(brickinfo->port, &brick_proc); if (!ret) { brick_count = brick_proc->brick_count; } if (!is_brick_mx_enabled() || brick_count == 0) { ret = glusterd_brick_disconnect(brickinfo); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSD_BRICK_DISCONNECT_FAIL, "Failed to " "disconnect %s:%s", brickinfo->hostname, brickinfo->path); break; } } } } return ret; } int32_t glusterd_volinfo_copy_brickinfo(glusterd_volinfo_t *old_volinfo, glusterd_volinfo_t *new_volinfo) { glusterd_brickinfo_t *new_brickinfo = NULL; glusterd_brickinfo_t *old_brickinfo = NULL; glusterd_brickinfo_t *new_ta_brickinfo = NULL; glusterd_brickinfo_t *old_ta_brickinfo = NULL; glusterd_conf_t *priv = NULL; int ret = 0; xlator_t *this = NULL; char abspath[PATH_MAX] = ""; GF_ASSERT(new_volinfo); GF_ASSERT(old_volinfo); this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); cds_list_for_each_entry(new_brickinfo, &new_volinfo->bricks, brick_list) { ret = glusterd_volume_brickinfo_get( new_brickinfo->uuid, new_brickinfo->hostname, new_brickinfo->path, old_volinfo, &old_brickinfo); if (ret == 0) { new_brickinfo->port = old_brickinfo->port; if (old_brickinfo->real_path[0] == '\0') { if (!realpath(new_brickinfo->path, abspath)) { /* Here an ENOENT should also be a * failure as the brick is expected to * be in existence */ gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_BRICKINFO_CREATE_FAIL, "realpath () failed for brick " "%s. The underlying filesystem " "may be in bad state", new_brickinfo->path); ret = -1; goto out; } if (strlen(abspath) >= sizeof(new_brickinfo->real_path)) { ret = -1; goto out; } (void)strncpy(new_brickinfo->real_path, abspath, sizeof(new_brickinfo->real_path)); } else { (void)strncpy(new_brickinfo->real_path, old_brickinfo->real_path, sizeof(new_brickinfo->real_path)); } } } if (new_volinfo->thin_arbiter_count == 1) { cds_list_for_each_entry(new_ta_brickinfo, &new_volinfo->ta_bricks, brick_list) { ret = glusterd_volume_ta_brickinfo_get( new_ta_brickinfo->uuid, new_ta_brickinfo->hostname, new_ta_brickinfo->path, old_volinfo, &old_ta_brickinfo); if (ret == 0) { new_ta_brickinfo->port = old_ta_brickinfo->port; if (old_ta_brickinfo->real_path[0] == '\0') { if (!realpath(new_ta_brickinfo->path, abspath)) { /* Here an ENOENT should also be a * failure as the brick is expected to * be in existence */ gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_BRICKINFO_CREATE_FAIL, "realpath () failed for brick " "%s. The underlying filesystem " "may be in bad state", new_brickinfo->path); ret = -1; goto out; } if (strlen(abspath) >= sizeof(new_ta_brickinfo->real_path)) { ret = -1; goto out; } (void)strncpy(new_ta_brickinfo->real_path, abspath, sizeof(new_ta_brickinfo->real_path)); } else { (void)strncpy(new_ta_brickinfo->real_path, old_ta_brickinfo->real_path, sizeof(new_ta_brickinfo->real_path)); } } } } ret = 0; out: return ret; } int32_t glusterd_volinfo_stop_stale_bricks(glusterd_volinfo_t *new_volinfo, glusterd_volinfo_t *old_volinfo) { glusterd_brickinfo_t *new_brickinfo = NULL; glusterd_brickinfo_t *old_brickinfo = NULL; int ret = 0; GF_ASSERT(new_volinfo); GF_ASSERT(old_volinfo); if (_gf_false == glusterd_is_volume_started(old_volinfo)) goto out; cds_list_for_each_entry(old_brickinfo, &old_volinfo->bricks, brick_list) { ret = glusterd_volume_brickinfo_get( old_brickinfo->uuid, old_brickinfo->hostname, old_brickinfo->path, new_volinfo, &new_brickinfo); /* If the brick is stale, i.e it's not a part of the new volume * or if it's part of the new volume and is pending a snap, * then stop the brick process */ if (ret || (new_brickinfo->snap_status == -1)) { /*TODO: may need to switch to 'atomic' flavour of * brick_stop, once we make peer rpc program also * synctask enabled*/ ret = glusterd_brick_stop(old_volinfo, old_brickinfo, _gf_false); if (ret) gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_BRICK_STOP_FAIL, "Failed to stop" " brick %s:%s", old_brickinfo->hostname, old_brickinfo->path); } } ret = 0; out: gf_msg_debug("glusterd", 0, "Returning with %d", ret); return ret; } int32_t glusterd_delete_stale_volume(glusterd_volinfo_t *stale_volinfo, glusterd_volinfo_t *valid_volinfo) { int32_t ret = -1; glusterd_volinfo_t *temp_volinfo = NULL; glusterd_volinfo_t *voliter = NULL; xlator_t *this = NULL; glusterd_svc_t *svc = NULL; GF_ASSERT(stale_volinfo); GF_ASSERT(valid_volinfo); this = THIS; GF_ASSERT(this); /* Copy snap_volumes list from stale_volinfo to valid_volinfo */ valid_volinfo->snap_count = 0; cds_list_for_each_entry_safe(voliter, temp_volinfo, &stale_volinfo->snap_volumes, snapvol_list) { cds_list_add_tail(&voliter->snapvol_list, &valid_volinfo->snap_volumes); valid_volinfo->snap_count++; } if ((!gf_uuid_is_null(stale_volinfo->restored_from_snap)) && (gf_uuid_compare(stale_volinfo->restored_from_snap, valid_volinfo->restored_from_snap))) { ret = glusterd_lvm_snapshot_remove(NULL, stale_volinfo); if (ret) { gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_SNAP_REMOVE_FAIL, "Failed to remove lvm snapshot for " "restored volume %s", stale_volinfo->volname); } } /* If stale volume is in started state, stop the stale bricks if the new * volume is started else, stop all bricks. * We don't want brick_rpc_notify to access already deleted brickinfo, * so disconnect all bricks from stale_volinfo (unconditionally), since * they are being deleted subsequently. */ if (glusterd_is_volume_started(stale_volinfo)) { if (glusterd_is_volume_started(valid_volinfo)) { (void)glusterd_volinfo_stop_stale_bricks(valid_volinfo, stale_volinfo); } else { (void)glusterd_stop_bricks(stale_volinfo); } (void)glusterd_volume_disconnect_all_bricks(stale_volinfo); } /* Delete all the bricks and stores and vol files. They will be created * again by the valid_volinfo. Volume store delete should not be * performed because some of the bricks could still be running, * keeping pid files under run directory */ (void)glusterd_delete_all_bricks(stale_volinfo); if (stale_volinfo->shandle) { sys_unlink(stale_volinfo->shandle->path); (void)gf_store_handle_destroy(stale_volinfo->shandle); stale_volinfo->shandle = NULL; } /* Marking volume as stopped, so that svc manager stops snapd * and we are deleting the volume. */ stale_volinfo->status = GLUSTERD_STATUS_STOPPED; if (!stale_volinfo->is_snap_volume) { svc = &(stale_volinfo->snapd.svc); (void)svc->manager(svc, stale_volinfo, PROC_START_NO_WAIT); } svc = &(stale_volinfo->shd.svc); (void)svc->manager(svc, stale_volinfo, PROC_START_NO_WAIT); (void)glusterd_volinfo_remove(stale_volinfo); return 0; } /* This function updates the rebalance information of the new volinfo using the * information from the old volinfo. */ int gd_check_and_update_rebalance_info(glusterd_volinfo_t *old_volinfo, glusterd_volinfo_t *new_volinfo) { int ret = -1; glusterd_rebalance_t *old = NULL; glusterd_rebalance_t *new = NULL; GF_ASSERT(old_volinfo); GF_ASSERT(new_volinfo); old = &(old_volinfo->rebal); new = &(new_volinfo->rebal); // Disconnect from rebalance process if (glusterd_defrag_rpc_get(old->defrag)) { rpc_transport_disconnect(old->defrag->rpc->conn.trans, _gf_false); glusterd_defrag_rpc_put(old->defrag); } if (!gf_uuid_is_null(old->rebalance_id) && gf_uuid_compare(old->rebalance_id, new->rebalance_id)) { (void)gd_stop_rebalance_process(old_volinfo); goto out; } /* If the tasks match, copy the status and other information of the * rebalance process from old_volinfo to new_volinfo */ new->defrag_status = old->defrag_status; new->rebalance_files = old->rebalance_files; new->rebalance_data = old->rebalance_data; new->lookedup_files = old->lookedup_files; new->skipped_files = old->skipped_files; new->rebalance_failures = old->rebalance_failures; new->rebalance_time = old->rebalance_time; /* glusterd_rebalance_t.{op, id, defrag_cmd} are copied during volume * import a new defrag object should come to life with rebalance being * restarted */ out: return ret; } static int32_t glusterd_import_friend_volume(dict_t *peer_data, int count) { int32_t ret = -1; glusterd_conf_t *priv = NULL; xlator_t *this = NULL; glusterd_volinfo_t *old_volinfo = NULL; glusterd_volinfo_t *new_volinfo = NULL; glusterd_svc_t *svc = NULL; int32_t update = 0; char key[64] = ""; GF_ASSERT(peer_data); this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); ret = snprintf(key, sizeof(key), "volume%d.update", count); ret = dict_get_int32n(peer_data, key, ret, &update); if (ret || !update) { /* if update is 0 that means the volume is not imported */ goto out; } ret = glusterd_import_volinfo(peer_data, count, &new_volinfo, "volume"); if (ret) goto out; if (!new_volinfo) { gf_msg_debug(this->name, 0, "Not importing snap volume"); goto out; } ret = glusterd_volinfo_find(new_volinfo->volname, &old_volinfo); if (0 == ret) { if (new_volinfo->version <= old_volinfo->version) { /* When this condition is true, it already means that * the other synctask thread of import volume has * already up to date volume, so just ignore this volume * now */ goto out; } /* Ref count the old_volinfo such that deleting it doesn't crash * if its been already in use by other thread */ glusterd_volinfo_ref(old_volinfo); (void)gd_check_and_update_rebalance_info(old_volinfo, new_volinfo); /* Copy brick ports & real_path from the old volinfo always. * The old_volinfo will be cleaned up and this information * could be lost */ (void)glusterd_volinfo_copy_brickinfo(old_volinfo, new_volinfo); (void)glusterd_delete_stale_volume(old_volinfo, new_volinfo); glusterd_volinfo_unref(old_volinfo); } ret = glusterd_store_volinfo(new_volinfo, GLUSTERD_VOLINFO_VER_AC_NONE); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_STORE_FAIL, "Failed to store " "volinfo for volume %s", new_volinfo->volname); goto out; } if (glusterd_is_volume_started(new_volinfo)) { (void)glusterd_start_bricks(new_volinfo); if (glusterd_is_snapd_enabled(new_volinfo)) { svc = &(new_volinfo->snapd.svc); if (svc->manager(svc, new_volinfo, PROC_START_NO_WAIT)) { gf_event(EVENT_SVC_MANAGER_FAILED, "svc_name=%s", svc->name); } } svc = &(new_volinfo->shd.svc); if (svc->manager(svc, new_volinfo, PROC_START_NO_WAIT)) { gf_event(EVENT_SVC_MANAGER_FAILED, "svc_name=%s", svc->name); } } ret = glusterd_create_volfiles_and_notify_services(new_volinfo); if (ret) goto out; ret = glusterd_import_quota_conf(peer_data, count, new_volinfo, "volume"); if (ret) { gf_event(EVENT_IMPORT_QUOTA_CONF_FAILED, "volume=%s", new_volinfo->volname); goto out; } glusterd_list_add_order(&new_volinfo->vol_list, &priv->volumes, glusterd_compare_volume_name); out: gf_msg_debug("glusterd", 0, "Returning with ret: %d", ret); return ret; } int32_t glusterd_import_friend_volumes_synctask(void *opaque) { int32_t ret = -1; int32_t count = 0; int i = 1; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; dict_t *peer_data = NULL; glusterd_friend_synctask_args_t *arg = NULL; this = THIS; GF_ASSERT(this); conf = this->private; GF_ASSERT(conf); arg = opaque; if (!arg) goto out; peer_data = dict_new(); if (!peer_data) goto out; ret = dict_unserialize(arg->dict_buf, arg->dictlen, &peer_data); if (ret) { errno = ENOMEM; goto out; } ret = dict_get_int32n(peer_data, "count", SLEN("count"), &count); if (ret) goto out; synclock_lock(&conf->big_lock); /* We need to ensure that importing a volume shouldn't race with an * other thread where as part of restarting glusterd, bricks are * restarted (refer glusterd_restart_bricks ()) */ while (conf->restart_bricks) { synclock_unlock(&conf->big_lock); sleep(2); synclock_lock(&conf->big_lock); } conf->restart_bricks = _gf_true; while (i <= count) { ret = glusterd_import_friend_volume(peer_data, i); if (ret) { conf->restart_bricks = _gf_false; goto out; } i++; } glusterd_svcs_manager(NULL); conf->restart_bricks = _gf_false; out: if (peer_data) dict_unref(peer_data); if (arg) { if (arg->dict_buf) GF_FREE(arg->dict_buf); GF_FREE(arg); } gf_msg_debug("glusterd", 0, "Returning with %d", ret); return ret; } int32_t glusterd_import_friend_volumes(dict_t *peer_data) { int32_t ret = -1; int32_t count = 0; int i = 1; GF_ASSERT(peer_data); ret = dict_get_int32n(peer_data, "count", SLEN("count"), &count); if (ret) goto out; while (i <= count) { ret = glusterd_import_friend_volume(peer_data, i); if (ret) goto out; i++; } out: gf_msg_debug("glusterd", 0, "Returning with %d", ret); return ret; } int glusterd_get_global_server_quorum_ratio(dict_t *opts, double *quorum) { int ret = -1; char *quorum_str = NULL; ret = dict_get_strn(opts, GLUSTERD_QUORUM_RATIO_KEY, SLEN(GLUSTERD_QUORUM_RATIO_KEY), &quorum_str); if (ret) goto out; ret = gf_string2percent(quorum_str, quorum); if (ret) goto out; ret = 0; out: return ret; } int glusterd_get_global_opt_version(dict_t *opts, uint32_t *version) { int ret = -1; char *version_str = NULL; ret = dict_get_strn(opts, GLUSTERD_GLOBAL_OPT_VERSION, SLEN(GLUSTERD_GLOBAL_OPT_VERSION), &version_str); if (ret) goto out; ret = gf_string2uint(version_str, version); if (ret) goto out; ret = 0; out: return ret; } int glusterd_get_next_global_opt_version_str(dict_t *opts, char **version_str) { int ret = -1; char version_string[64] = ""; uint32_t version = 0; ret = glusterd_get_global_opt_version(opts, &version); if (ret) goto out; version++; snprintf(version_string, sizeof(version_string), "%" PRIu32, version); *version_str = gf_strdup(version_string); if (*version_str) ret = 0; out: return ret; } int32_t glusterd_import_global_opts(dict_t *friend_data) { xlator_t *this = NULL; glusterd_conf_t *conf = NULL; int ret = -1; dict_t *import_options = NULL; int count = 0; uint32_t local_version = 0; uint32_t remote_version = 0; double old_quorum = 0.0; double new_quorum = 0.0; this = THIS; conf = this->private; ret = dict_get_int32n(friend_data, "global-opt-count", SLEN("global-opt-count"), &count); if (ret) { // old version peer ret = 0; goto out; } import_options = dict_new(); if (!import_options) goto out; ret = import_prdict_dict(friend_data, import_options, "key", "val", count, "global"); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_GLOBAL_OPT_IMPORT_FAIL, "Failed to import" " global options"); goto out; } /* Not handling ret since server-quorum-ratio might not yet be set */ ret = glusterd_get_global_server_quorum_ratio(conf->opts, &old_quorum); ret = glusterd_get_global_server_quorum_ratio(import_options, &new_quorum); ret = glusterd_get_global_opt_version(conf->opts, &local_version); if (ret) goto out; ret = glusterd_get_global_opt_version(import_options, &remote_version); if (ret) goto out; if (remote_version > local_version) { ret = glusterd_store_options(this, import_options); if (ret) goto out; dict_unref(conf->opts); conf->opts = dict_ref(import_options); /* If server quorum ratio has changed, restart bricks to * recompute if quorum is met. If quorum is not met bricks are * not started and those already running are stopped */ if (old_quorum != new_quorum) { glusterd_launch_synctask(glusterd_restart_bricks, NULL); } } ret = 0; out: if (import_options) dict_unref(import_options); return ret; } int32_t glusterd_compare_friend_data(dict_t *peer_data, int32_t *status, char *hostname) { int32_t ret = -1; int32_t count = 0; int i = 1; gf_boolean_t update = _gf_false; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; glusterd_friend_synctask_args_t *arg = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(peer_data); GF_ASSERT(status); priv = this->private; GF_ASSERT(priv); ret = glusterd_import_global_opts(peer_data); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_GLOBAL_OPT_IMPORT_FAIL, "Importing global " "options failed"); goto out; } ret = dict_get_int32n(peer_data, "count", SLEN("count"), &count); if (ret) goto out; while (i <= count) { ret = glusterd_compare_friend_volume(peer_data, i, status, hostname); if (ret) goto out; if (GLUSTERD_VOL_COMP_RJT == *status) { ret = 0; goto out; } if (GLUSTERD_VOL_COMP_UPDATE_REQ == *status) { update = _gf_true; } i++; } if (update) { /* Launch the import friend volume as a separate synctask as it * has to trigger start bricks where we may need to wait for the * first brick to come up before attaching the subsequent bricks * in case brick multiplexing is enabled */ arg = GF_CALLOC(1, sizeof(*arg), gf_common_mt_char); ret = dict_allocate_and_serialize(peer_data, &arg->dict_buf, &arg->dictlen); if (ret < 0) { gf_log(this->name, GF_LOG_ERROR, "dict_serialize failed while handling " " import friend volume request"); goto out; } glusterd_launch_synctask(glusterd_import_friend_volumes_synctask, arg); } out: if (ret && arg) { GF_FREE(arg); } gf_msg_debug(this->name, 0, "Returning with ret: %d, status: %d", ret, *status); return ret; } struct rpc_clnt * glusterd_defrag_rpc_get(glusterd_defrag_info_t *defrag) { struct rpc_clnt *rpc = NULL; if (!defrag) return NULL; LOCK(&defrag->lock); { rpc = rpc_clnt_ref(defrag->rpc); } UNLOCK(&defrag->lock); return rpc; } struct rpc_clnt * glusterd_defrag_rpc_put(glusterd_defrag_info_t *defrag) { struct rpc_clnt *rpc = NULL; if (!defrag) return NULL; LOCK(&defrag->lock); { rpc = rpc_clnt_unref(defrag->rpc); defrag->rpc = rpc; } UNLOCK(&defrag->lock); return rpc; } struct rpc_clnt * glusterd_pending_node_get_rpc(glusterd_pending_node_t *pending_node) { struct rpc_clnt *rpc = NULL; glusterd_brickinfo_t *brickinfo = NULL; glusterd_volinfo_t *volinfo = NULL; glusterd_svc_t *svc = NULL; GF_VALIDATE_OR_GOTO(THIS->name, pending_node, out); GF_VALIDATE_OR_GOTO(THIS->name, pending_node->node, out); if (pending_node->type == GD_NODE_BRICK) { brickinfo = pending_node->node; rpc = brickinfo->rpc; } else if (pending_node->type == GD_NODE_SHD || pending_node->type == GD_NODE_NFS || pending_node->type == GD_NODE_QUOTAD || pending_node->type == GD_NODE_SCRUB) { svc = pending_node->node; rpc = svc->conn.rpc; } else if (pending_node->type == GD_NODE_REBALANCE) { volinfo = pending_node->node; rpc = glusterd_defrag_rpc_get(volinfo->rebal.defrag); } else if (pending_node->type == GD_NODE_SNAPD) { volinfo = pending_node->node; rpc = volinfo->snapd.svc.conn.rpc; } else { GF_ASSERT(0); } out: return rpc; } void glusterd_pending_node_put_rpc(glusterd_pending_node_t *pending_node) { glusterd_volinfo_t *volinfo = NULL; switch (pending_node->type) { case GD_NODE_REBALANCE: volinfo = pending_node->node; glusterd_defrag_rpc_put(volinfo->rebal.defrag); break; default: break; } } int32_t glusterd_unlink_file(char *sockfpath) { int ret = 0; ret = sys_unlink(sockfpath); if (ret) { if (ENOENT == errno) ret = 0; else gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "Failed to remove %s" " error: %s", sockfpath, strerror(errno)); } return ret; } void glusterd_nfs_pmap_deregister() { if (pmap_unset(MOUNT_PROGRAM, MOUNTV3_VERSION)) gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_DEREGISTER_SUCCESS, "De-registered MOUNTV3 successfully"); else gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_PMAP_UNSET_FAIL, "De-register MOUNTV3 is unsuccessful"); if (pmap_unset(MOUNT_PROGRAM, MOUNTV1_VERSION)) gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_DEREGISTER_SUCCESS, "De-registered MOUNTV1 successfully"); else gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_PMAP_UNSET_FAIL, "De-register MOUNTV1 is unsuccessful"); if (pmap_unset(NFS_PROGRAM, NFSV3_VERSION)) gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_DEREGISTER_SUCCESS, "De-registered NFSV3 successfully"); else gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_PMAP_UNSET_FAIL, "De-register NFSV3 is unsuccessful"); if (pmap_unset(NLM_PROGRAM, NLMV4_VERSION)) gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_DEREGISTER_SUCCESS, "De-registered NLM v4 successfully"); else gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_PMAP_UNSET_FAIL, "De-registration of NLM v4 failed"); if (pmap_unset(NLM_PROGRAM, NLMV1_VERSION)) gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_DEREGISTER_SUCCESS, "De-registered NLM v1 successfully"); else gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_PMAP_UNSET_FAIL, "De-registration of NLM v1 failed"); if (pmap_unset(ACL_PROGRAM, ACLV3_VERSION)) gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_DEREGISTER_SUCCESS, "De-registered ACL v3 successfully"); else gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_PMAP_UNSET_FAIL, "De-registration of ACL v3 failed"); } int glusterd_add_node_to_dict(char *server, dict_t *dict, int count, dict_t *vol_opts) { int ret = -1; char pidfile[PATH_MAX] = ""; gf_boolean_t running = _gf_false; int pid = -1; int port = 0; glusterd_svc_t *svc = NULL; char key[64] = ""; int keylen; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); if (!strcmp(server, "")) { ret = 0; goto out; } glusterd_svc_build_pidfile_path(server, priv->rundir, pidfile, sizeof(pidfile)); if (strcmp(server, priv->nfs_svc.name) == 0) svc = &(priv->nfs_svc); else if (strcmp(server, priv->quotad_svc.name) == 0) svc = &(priv->quotad_svc); else if (strcmp(server, priv->bitd_svc.name) == 0) svc = &(priv->bitd_svc); else if (strcmp(server, priv->scrub_svc.name) == 0) svc = &(priv->scrub_svc); else { ret = 0; goto out; } // Consider service to be running only when glusterd sees it Online if (svc->online) running = gf_is_service_running(pidfile, &pid); /* For nfs-servers/self-heal-daemon setting * brick.hostname = "NFS Server" / "Self-heal Daemon" * brick.path = uuid * brick.port = 0 * * This might be confusing, but cli displays the name of * the brick as hostname+path, so this will make more sense * when output. */ keylen = snprintf(key, sizeof(key), "brick%d.hostname", count); if (!strcmp(server, priv->nfs_svc.name)) ret = dict_set_nstrn(dict, key, keylen, "NFS Server", SLEN("NFS Server")); else if (!strcmp(server, priv->quotad_svc.name)) ret = dict_set_nstrn(dict, key, keylen, "Quota Daemon", SLEN("Quota Daemon")); else if (!strcmp(server, priv->bitd_svc.name)) ret = dict_set_nstrn(dict, key, keylen, "Bitrot Daemon", SLEN("Bitrot Daemon")); else if (!strcmp(server, priv->scrub_svc.name)) ret = dict_set_nstrn(dict, key, keylen, "Scrubber Daemon", SLEN("Scrubber Daemon")); if (ret) goto out; keylen = snprintf(key, sizeof(key), "brick%d.path", count); ret = dict_set_dynstrn(dict, key, keylen, gf_strdup(uuid_utoa(MY_UUID))); if (ret) goto out; /* Port is available only for the NFS server. * Self-heal daemon doesn't provide any port for access * by entities other than gluster. */ if (!strcmp(server, priv->nfs_svc.name)) { if (dict_getn(vol_opts, "nfs.port", SLEN("nfs.port"))) { ret = dict_get_int32n(vol_opts, "nfs.port", SLEN("nfs.port"), &port); if (ret) goto out; } else port = GF_NFS3_PORT; } keylen = snprintf(key, sizeof(key), "brick%d.port", count); ret = dict_set_int32n(dict, key, keylen, port); if (ret) goto out; keylen = snprintf(key, sizeof(key), "brick%d.pid", count); ret = dict_set_int32n(dict, key, keylen, pid); if (ret) goto out; keylen = snprintf(key, sizeof(key), "brick%d.status", count); ret = dict_set_int32n(dict, key, keylen, running); if (ret) goto out; out: gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } int glusterd_remote_hostname_get(rpcsvc_request_t *req, char *remote_host, int len) { GF_ASSERT(req); GF_ASSERT(remote_host); GF_ASSERT(req->trans); char *name = NULL; char *hostname = NULL; char *tmp_host = NULL; char *canon = NULL; int ret = 0; name = req->trans->peerinfo.identifier; tmp_host = gf_strdup(name); if (tmp_host) get_host_name(tmp_host, &hostname); GF_ASSERT(hostname); if (!hostname) { memset(remote_host, 0, len); ret = -1; goto out; } if ((gf_get_hostname_from_ip(hostname, &canon) == 0) && canon) { GF_FREE(tmp_host); tmp_host = hostname = canon; } (void)snprintf(remote_host, len, "%s", hostname); out: GF_FREE(tmp_host); return ret; } gf_boolean_t glusterd_are_all_volumes_stopped() { glusterd_conf_t *priv = NULL; xlator_t *this = NULL; glusterd_volinfo_t *voliter = NULL; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); cds_list_for_each_entry(voliter, &priv->volumes, vol_list) { if (voliter->status == GLUSTERD_STATUS_STARTED) return _gf_false; } return _gf_true; } gf_boolean_t glusterd_all_shd_compatible_volumes_stopped() { glusterd_conf_t *priv = NULL; xlator_t *this = NULL; glusterd_volinfo_t *voliter = NULL; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); cds_list_for_each_entry(voliter, &priv->volumes, vol_list) { if (!glusterd_is_shd_compatible_volume(voliter)) continue; if (voliter->status == GLUSTERD_STATUS_STARTED) return _gf_false; } return _gf_true; } gf_boolean_t glusterd_all_volumes_with_quota_stopped() { glusterd_conf_t *priv = NULL; xlator_t *this = NULL; glusterd_volinfo_t *voliter = NULL; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); cds_list_for_each_entry(voliter, &priv->volumes, vol_list) { if (!glusterd_is_volume_quota_enabled(voliter)) continue; if (voliter->status == GLUSTERD_STATUS_STARTED) return _gf_false; } return _gf_true; } gf_boolean_t glusterd_have_volumes() { xlator_t *this = NULL; glusterd_conf_t *priv = NULL; gf_boolean_t volumes_exist = _gf_false; this = THIS; GF_VALIDATE_OR_GOTO("glusterd", (this != NULL), out); priv = this->private; GF_VALIDATE_OR_GOTO(this->name, (priv != NULL), out); volumes_exist = !cds_list_empty(&priv->volumes); out: return volumes_exist; } int glusterd_volume_count_get(void) { glusterd_volinfo_t *tmp_volinfo = NULL; int32_t ret = 0; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; this = THIS; GF_ASSERT(this); priv = this->private; cds_list_for_each_entry(tmp_volinfo, &priv->volumes, vol_list) { ret++; } gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } int glusterd_brickinfo_get(uuid_t uuid, char *hostname, char *path, glusterd_brickinfo_t **brickinfo) { glusterd_volinfo_t *volinfo = NULL; glusterd_conf_t *priv = NULL; xlator_t *this = NULL; int ret = -1; GF_ASSERT(path); this = THIS; GF_ASSERT(this); priv = this->private; cds_list_for_each_entry(volinfo, &priv->volumes, vol_list) { ret = glusterd_volume_brickinfo_get(uuid, hostname, path, volinfo, brickinfo); if (ret == 0) /*Found*/ goto out; } out: return ret; } static int32_t my_callback(struct rpc_req *req, struct iovec *iov, int count, void *v_frame) { call_frame_t *frame = v_frame; glusterd_conf_t *conf = frame->this->private; GF_ATOMIC_DEC(conf->blockers); STACK_DESTROY(frame->root); return 0; } static int32_t attach_brick_callback(struct rpc_req *req, struct iovec *iov, int count, void *v_frame) { call_frame_t *frame = v_frame; glusterd_conf_t *conf = frame->this->private; glusterd_brickinfo_t *brickinfo = frame->local; glusterd_brickinfo_t *other_brick = frame->cookie; glusterd_volinfo_t *volinfo = NULL; xlator_t *this = THIS; int ret = -1; char pidfile1[PATH_MAX] = ""; char pidfile2[PATH_MAX] = ""; gf_getspec_rsp rsp = { 0, }; int last_brick = -1; frame->local = NULL; frame->cookie = NULL; if (!iov) { gf_log(frame->this->name, GF_LOG_ERROR, "iov is NULL"); ret = -1; goto out; } ret = xdr_to_generic(*iov, &rsp, (xdrproc_t)xdr_gf_getspec_rsp); if (ret < 0) { gf_log(frame->this->name, GF_LOG_ERROR, "XDR decoding error"); ret = -1; goto out; } ret = glusterd_get_volinfo_from_brick(other_brick->path, &volinfo); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_GET_FAIL, "Failed to get volinfo" " from brick(%s) so pidfile copying/unlink will fail", other_brick->path); goto out; } GLUSTERD_GET_BRICK_PIDFILE(pidfile1, volinfo, other_brick, conf); volinfo = NULL; ret = glusterd_get_volinfo_from_brick(brickinfo->path, &volinfo); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_GET_FAIL, "Failed to get volinfo" " from brick(%s) so pidfile copying/unlink will fail", brickinfo->path); goto out; } GLUSTERD_GET_BRICK_PIDFILE(pidfile2, volinfo, brickinfo, conf); if (rsp.op_ret == 0) { brickinfo->port_registered = _gf_true; /* PID file is copied once brick has attached successfully */ ret = glusterd_copy_file(pidfile1, pidfile2); if (ret) { gf_msg(this->name, GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY, "Could not copy file %s to %s", pidfile1, pidfile2); goto out; } brickinfo->status = GF_BRICK_STARTED; brickinfo->rpc = rpc_clnt_ref(other_brick->rpc); gf_log(THIS->name, GF_LOG_INFO, "brick %s is attached successfully", brickinfo->path); } else { gf_log(THIS->name, GF_LOG_INFO, "attach_brick failed pidfile" " is %s for brick_path %s", pidfile2, brickinfo->path); brickinfo->port = 0; brickinfo->status = GF_BRICK_STOPPED; ret = glusterd_brick_process_remove_brick(brickinfo, &last_brick); if (ret) gf_msg_debug(this->name, 0, "Couldn't remove brick from" " brick process"); LOCK(&volinfo->lock); ret = glusterd_store_volinfo(volinfo, GLUSTERD_VOLINFO_VER_AC_NONE); UNLOCK(&volinfo->lock); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_SET_FAIL, "Failed to store volinfo of " "%s volume", volinfo->volname); goto out; } } out: GF_ATOMIC_DEC(conf->blockers); STACK_DESTROY(frame->root); return 0; } int send_attach_req(xlator_t *this, struct rpc_clnt *rpc, char *path, glusterd_brickinfo_t *brickinfo, glusterd_brickinfo_t *other_brick, int op) { int ret = -1; struct iobuf *iobuf = NULL; struct iobref *iobref = NULL; struct iovec iov = { 0, }; ssize_t req_size = 0; call_frame_t *frame = NULL; gd1_mgmt_brick_op_req brick_req; void *req = &brick_req; void *errlbl = &&err; struct rpc_clnt_connection *conn; glusterd_conf_t *conf = this->private; extern struct rpc_clnt_program gd_brick_prog; fop_cbk_fn_t cbkfn = my_callback; if (!rpc) { gf_log(this->name, GF_LOG_ERROR, "called with null rpc"); return -1; } conn = &rpc->conn; if (!conn->connected || conn->disconnected) { gf_log(this->name, GF_LOG_INFO, "not connected yet"); return -1; } brick_req.op = op; brick_req.name = path; brick_req.input.input_val = NULL; brick_req.input.input_len = 0; brick_req.dict.dict_val = NULL; brick_req.dict.dict_len = 0; req_size = xdr_sizeof((xdrproc_t)xdr_gd1_mgmt_brick_op_req, req); iobuf = iobuf_get2(rpc->ctx->iobuf_pool, req_size); if (!iobuf) { goto *errlbl; } errlbl = &&maybe_free_iobuf; iov.iov_base = iobuf->ptr; iov.iov_len = iobuf_pagesize(iobuf); iobref = iobref_new(); if (!iobref) { goto *errlbl; } errlbl = &&free_iobref; frame = create_frame(this, this->ctx->pool); if (!frame) { goto *errlbl; } iobref_add(iobref, iobuf); /* * Drop our reference to the iobuf. The iobref should already have * one after iobref_add, so when we unref that we'll free the iobuf as * well. This allows us to pass just the iobref as frame->local. */ iobuf_unref(iobuf); /* Set the pointer to null so we don't free it on a later error. */ iobuf = NULL; /* Create the xdr payload */ ret = xdr_serialize_generic(iov, req, (xdrproc_t)xdr_gd1_mgmt_brick_op_req); if (ret == -1) { goto *errlbl; } iov.iov_len = ret; if (op == GLUSTERD_BRICK_ATTACH) { frame->local = brickinfo; frame->cookie = other_brick; cbkfn = attach_brick_callback; } /* Send the msg */ GF_ATOMIC_INC(conf->blockers); ret = rpc_clnt_submit(rpc, &gd_brick_prog, op, cbkfn, &iov, 1, NULL, 0, iobref, frame, NULL, 0, NULL, 0, NULL); return ret; free_iobref: iobref_unref(iobref); maybe_free_iobuf: if (iobuf) { iobuf_unref(iobuf); } err: return -1; } extern size_t build_volfile_path(char *volume_id, char *path, size_t path_len, char *trusted_str, dict_t *dict); static int attach_brick(xlator_t *this, glusterd_brickinfo_t *brickinfo, glusterd_brickinfo_t *other_brick, glusterd_volinfo_t *volinfo, glusterd_volinfo_t *other_vol) { glusterd_conf_t *conf = this->private; char pidfile1[PATH_MAX] = ""; char pidfile2[PATH_MAX] = ""; char unslashed[PATH_MAX] = { '\0', }; char full_id[PATH_MAX] = { '\0', }; char path[PATH_MAX] = { '\0', }; int ret = -1; int tries; rpc_clnt_t *rpc; int32_t len; gf_log(this->name, GF_LOG_INFO, "add brick %s to existing process for %s", brickinfo->path, other_brick->path); GLUSTERD_REMOVE_SLASH_FROM_PATH(brickinfo->path, unslashed); GLUSTERD_GET_BRICK_PIDFILE(pidfile1, other_vol, other_brick, conf); GLUSTERD_GET_BRICK_PIDFILE(pidfile2, volinfo, brickinfo, conf); if (volinfo->is_snap_volume) { len = snprintf(full_id, sizeof(full_id), "/%s/%s/%s/%s.%s.%s", GLUSTERD_VOL_SNAP_DIR_PREFIX, volinfo->snapshot->snapname, volinfo->volname, volinfo->volname, brickinfo->hostname, unslashed); } else { len = snprintf(full_id, sizeof(full_id), "%s.%s.%s", volinfo->volname, brickinfo->hostname, unslashed); } if ((len < 0) || (len >= sizeof(full_id))) { goto out; } (void)build_volfile_path(full_id, path, sizeof(path), NULL, NULL); for (tries = 15; tries > 0; --tries) { rpc = rpc_clnt_ref(other_brick->rpc); if (rpc) { ret = send_attach_req(this, rpc, path, brickinfo, other_brick, GLUSTERD_BRICK_ATTACH); rpc_clnt_unref(rpc); if (!ret) { ret = pmap_registry_extend(this, other_brick->port, brickinfo->path); if (ret != 0) { gf_log(this->name, GF_LOG_ERROR, "adding brick to process failed"); goto out; } brickinfo->port = other_brick->port; ret = glusterd_brick_process_add_brick(brickinfo, other_brick); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICKPROC_ADD_BRICK_FAILED, "Adding brick %s:%s to brick " "process failed", brickinfo->hostname, brickinfo->path); return ret; } return 0; } } /* * It might not actually be safe to manipulate the lock * like this, but if we don't then the connection can * never actually complete and retries are useless. * Unfortunately, all of the alternatives (e.g. doing * all of this in a separate thread) are much more * complicated and risky. * TBD: see if there's a better way */ synclock_unlock(&conf->big_lock); sleep(1); synclock_lock(&conf->big_lock); } out: gf_log(this->name, GF_LOG_WARNING, "attach failed for %s", brickinfo->path); return ret; } /* This name was just getting too long, hence the abbreviations. */ static glusterd_brickinfo_t * find_compat_brick_in_vol(glusterd_conf_t *conf, glusterd_volinfo_t *srch_vol, /* volume to search */ glusterd_volinfo_t *comp_vol, /* volume to compare */ glusterd_brickinfo_t *brickinfo) { xlator_t *this = THIS; glusterd_brickinfo_t *other_brick = NULL; glusterd_brick_proc_t *brick_proc = NULL; char pidfile2[PATH_MAX] = ""; int32_t pid2 = -1; int16_t retries = 15; int mux_limit = -1; int ret = -1; gf_boolean_t brick_status = _gf_false; gf_boolean_t is_shared_storage = _gf_false; /* * If comp_vol is provided, we have to check *volume* compatibility * before we can check *brick* compatibility. */ if (comp_vol) { /* * We should not attach bricks of a normal volume to bricks * of shared storage volume. */ if (!strcmp(srch_vol->volname, GLUSTER_SHARED_STORAGE)) is_shared_storage = _gf_true; if (!strcmp(comp_vol->volname, GLUSTER_SHARED_STORAGE)) { if (!is_shared_storage) return NULL; } else if (is_shared_storage) return NULL; /* * It's kind of a shame that we have to do this check in both * directions, but an option might only exist on one of the two * dictionaries and dict_foreach_match will only find that one. */ gf_log(THIS->name, GF_LOG_DEBUG, "comparing options for %s and %s", comp_vol->volname, srch_vol->volname); if (dict_foreach_match(comp_vol->dict, unsafe_option, NULL, opts_mismatch, srch_vol->dict) < 0) { gf_log(THIS->name, GF_LOG_DEBUG, "failure forward"); return NULL; } if (dict_foreach_match(srch_vol->dict, unsafe_option, NULL, opts_mismatch, comp_vol->dict) < 0) { gf_log(THIS->name, GF_LOG_DEBUG, "failure backward"); return NULL; } gf_log(THIS->name, GF_LOG_DEBUG, "all options match"); } ret = get_mux_limit_per_process(&mux_limit); if (ret) { gf_msg_debug(THIS->name, 0, "Retrieving brick mux " "limit failed. Returning NULL"); return NULL; } cds_list_for_each_entry(other_brick, &srch_vol->bricks, brick_list) { if (other_brick == brickinfo) { continue; } if (gf_uuid_compare(brickinfo->uuid, other_brick->uuid)) { continue; } if (other_brick->status != GF_BRICK_STARTED && other_brick->status != GF_BRICK_STARTING) { continue; } ret = glusterd_brick_proc_for_port(other_brick->port, &brick_proc); if (ret) { gf_msg_debug(THIS->name, 0, "Couldn't get brick " "process corresponding to brick %s:%s", other_brick->hostname, other_brick->path); continue; } if (mux_limit != 0) { if (brick_proc->brick_count >= mux_limit) continue; } else { /* This means that the "cluster.max-bricks-per-process" * options hasn't yet been explicitly set. Continue * as if there's no limit set */ gf_msg(THIS->name, GF_LOG_WARNING, 0, GD_MSG_NO_MUX_LIMIT, "cluster.max-bricks-per-process options isn't " "set. Continuing with no limit set for " "brick multiplexing."); } /* The first brick process might take some time to finish its * handshake with glusterd and prepare the graph. We can't * afford to send attach_req for other bricks till that time. * brick process sends PMAP_SIGNIN event after processing the * volfile and hence it's safe to assume that if glusterd has * received a pmap signin request for the same brick, we are * good for subsequent attach requests. */ retries = 15; while (retries > 0) { if (other_brick->port_registered) { GLUSTERD_GET_BRICK_PIDFILE(pidfile2, srch_vol, other_brick, conf); if (sys_access(pidfile2, F_OK) == 0 && gf_is_service_running(pidfile2, &pid2)) { gf_msg_debug(this->name, 0, "brick %s is running as a pid %d ", other_brick->path, pid2); brick_status = _gf_true; break; } } synclock_unlock(&conf->big_lock); gf_msg_debug(this->name, 0, "brick %s is still" " starting, waiting for 2 seconds ", other_brick->path); sleep(2); synclock_lock(&conf->big_lock); retries--; } if (!brick_status) { gf_log(this->name, GF_LOG_INFO, "brick has not come up so cleaning up dead brick %s:%s", other_brick->hostname, other_brick->path); other_brick->status = GF_BRICK_STOPPED; if (pidfile2[0]) sys_unlink(pidfile2); continue; } return other_brick; } return NULL; } static glusterd_brickinfo_t * find_compatible_brick(glusterd_conf_t *conf, glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, glusterd_volinfo_t **other_vol_p) { glusterd_brickinfo_t *other_brick = NULL; glusterd_volinfo_t *other_vol = NULL; glusterd_snap_t *snap = NULL; /* Just return NULL here if multiplexing is disabled. */ if (!is_brick_mx_enabled()) { return NULL; } other_brick = find_compat_brick_in_vol(conf, volinfo, NULL, brickinfo); if (other_brick) { *other_vol_p = volinfo; return other_brick; } /* * This check is necessary because changes to a volume's * transport options aren't propagated to snapshots. Such a * change might break compatibility between the two, but we * have no way to "evict" a brick from the process it's * currently in. If we keep it separate from the start, we * avoid the problem. Note that snapshot bricks can still be * colocated with one another, even if they're for different * volumes, because the only thing likely to differ is their * auth options and those are not a factor in determining * compatibility. * * The very same immutability of snapshot bricks' transport * options, which can make them incompatible with their parent * volumes, ensures that once-compatible snapshot bricks will * remain compatible. However, the same is not true for bricks * belonging to two non-snapshot volumes. In that case, a * change to one might break compatibility and require them to * be separated, which is not yet done. * * TBD: address the option-change issue for non-snapshot bricks */ if (!volinfo->is_snap_volume) { cds_list_for_each_entry(other_vol, &conf->volumes, vol_list) { if (other_vol == volinfo) { continue; } other_brick = find_compat_brick_in_vol(conf, other_vol, volinfo, brickinfo); if (other_brick) { *other_vol_p = other_vol; return other_brick; } } } else { cds_list_for_each_entry(snap, &conf->snapshots, snap_list) { cds_list_for_each_entry(other_vol, &snap->volumes, vol_list) { if (other_vol == volinfo) { continue; } other_brick = find_compat_brick_in_vol(conf, other_vol, volinfo, brickinfo); if (other_brick) { *other_vol_p = other_vol; return other_brick; } } } } return NULL; } /* Below function is use to populate sockpath based on passed pid value as a argument after check the value from proc and also check if passed pid is match with running glusterfs process */ int glusterd_get_sock_from_brick_pid(int pid, char *sockpath, size_t len) { char fname[128] = ""; char buf[1024] = ""; char cmdline[2048] = ""; xlator_t *this = NULL; int fd = -1; int i = 0, j = 0; char *ptr = NULL; char *brptr = NULL; char tmpsockpath[PATH_MAX] = ""; size_t blen = 0; int ret = -1; this = THIS; GF_ASSERT(this); snprintf(fname, sizeof(fname), "/proc/%d/cmdline", pid); if (sys_access(fname, R_OK) != 0) { gf_log(this->name, GF_LOG_ERROR, "brick process %d is not running", pid); return ret; } fd = open(fname, O_RDONLY); if (fd != -1) { blen = (int)sys_read(fd, buf, 1024); } else { gf_log(this->name, GF_LOG_ERROR, "open failed %s to open a file %s", strerror(errno), fname); return ret; } /* convert cmdline to single string */ for (i = 0, j = 0; i < blen; i++) { if (buf[i] == '\0') cmdline[j++] = ' '; else if (buf[i] < 32 || buf[i] > 126) /* remove control char */ continue; else if (buf[i] == '"' || buf[i] == '\\') { cmdline[j++] = '\\'; cmdline[j++] = buf[i]; } else { cmdline[j++] = buf[i]; } } cmdline[j] = '\0'; if (fd) sys_close(fd); if (!strstr(cmdline, "glusterfs")) return ret; ptr = strstr(cmdline, "-S "); if (!ptr) return ret; ptr = strchr(ptr, '/'); if (!ptr) return ret; brptr = strstr(ptr, "--brick-name"); if (!brptr) return ret; i = 0; while (ptr < brptr) { if (*ptr != 32) tmpsockpath[i++] = *ptr; ptr++; } if (tmpsockpath[0]) { strncpy(sockpath, tmpsockpath, i); ret = 0; } return ret; } char * search_brick_path_from_proc(pid_t brick_pid, char *brickpath) { struct dirent *dp = NULL; DIR *dirp = NULL; size_t len = 0; int fd = -1; char path[PATH_MAX] = ""; struct dirent scratch[2] = { { 0, }, }; char *brick_path = NULL; if (!brickpath) goto out; len = sprintf(path, "/proc/%d/fd/", brick_pid); if (len >= (sizeof(path) - 2)) goto out; dirp = sys_opendir(path); if (!dirp) goto out; fd = dirfd(dirp); if (fd < 0) goto out; while ((dp = sys_readdir(dirp, scratch))) { if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) continue; /* check for non numerical descriptors */ if (!strtol(dp->d_name, (char **)NULL, 10)) continue; len = readlinkat(fd, dp->d_name, path, sizeof(path) - 1); /* TODO: handle len == -1 -> error condition in readlinkat */ if (len > 1) { path[len] = '\0'; if (!strcmp(path, brickpath)) { brick_path = gf_strdup(path); break; } } } out: sys_closedir(dirp); return brick_path; } int glusterd_brick_start(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, gf_boolean_t wait, gf_boolean_t only_connect) { int ret = -1; xlator_t *this = NULL; glusterd_brickinfo_t *other_brick; glusterd_conf_t *conf = NULL; int32_t pid = -1; char pidfile[PATH_MAX] = ""; char socketpath[PATH_MAX] = ""; char *brickpath = NULL; glusterd_volinfo_t *other_vol; gf_boolean_t is_service_running = _gf_false; uuid_t volid = { 0, }; ssize_t size = -1; this = THIS; GF_ASSERT(this); conf = this->private; if ((!brickinfo) || (!volinfo)) goto out; if (gf_uuid_is_null(brickinfo->uuid)) { ret = glusterd_resolve_brick(brickinfo); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_RESOLVE_BRICK_FAIL, FMTSTR_RESOLVE_BRICK, brickinfo->hostname, brickinfo->path); gf_event(EVENT_BRICKPATH_RESOLVE_FAILED, "peer=%s;volume=%s;brick=%s", brickinfo->hostname, volinfo->volname, brickinfo->path); goto out; } } if (gf_uuid_compare(brickinfo->uuid, MY_UUID)) { ret = 0; goto out; } /* If a trigger to start the brick is already initiated then no need for * a reattempt as it's an overkill. With glusterd_brick_start () * function being used in multiple places, when glusterd restarts we see * three different triggers for an attempt to start the brick process * due to the quorum handling code in glusterd_friend_sm. */ if (brickinfo->status == GF_BRICK_STARTING || brickinfo->start_triggered) { gf_msg_debug(this->name, 0, "brick %s is already in starting " "phase", brickinfo->path); ret = 0; goto out; } if (!only_connect) brickinfo->start_triggered = _gf_true; GLUSTERD_GET_BRICK_PIDFILE(pidfile, volinfo, brickinfo, conf); /* Compare volume-id xattr is helpful to ensure the existence of a brick_root path before the start/attach a brick */ size = sys_lgetxattr(brickinfo->path, GF_XATTR_VOL_ID_KEY, volid, 16); if (size != 16) { gf_log(this->name, GF_LOG_ERROR, "Missing %s extended attribute on brick root (%s)," " brick is deemed not to be a part of the volume (%s) ", GF_XATTR_VOL_ID_KEY, brickinfo->path, volinfo->volname); goto out; } if (strncmp(uuid_utoa(volinfo->volume_id), uuid_utoa(volid), GF_UUID_BUF_SIZE)) { gf_log(this->name, GF_LOG_ERROR, "Mismatching %s extended attribute on brick root (%s)," " brick is deemed not to be a part of the volume (%s)", GF_XATTR_VOL_ID_KEY, brickinfo->path, volinfo->volname); goto out; } is_service_running = gf_is_service_running(pidfile, &pid); if (is_service_running) { if (is_brick_mx_enabled()) { brickpath = search_brick_path_from_proc(pid, brickinfo->path); if (!brickpath) { if (only_connect) return 0; gf_log(this->name, GF_LOG_INFO, "Either pid %d is not running or brick" " path %s is not consumed so cleanup pidfile", pid, brickinfo->path); /* brick isn't running,so unlink stale pidfile * if any. */ if (sys_access(pidfile, R_OK) == 0) { sys_unlink(pidfile); } goto run; } GF_FREE(brickpath); ret = glusterd_get_sock_from_brick_pid(pid, socketpath, sizeof(socketpath)); if (ret) { if (only_connect) return 0; gf_log(this->name, GF_LOG_INFO, "Either pid %d is not running or does " "not match with any running brick " "processes", pid); /* Fetch unix socket is failed so unlink pidfile */ if (sys_access(pidfile, R_OK) == 0) { sys_unlink(pidfile); } goto run; } } if (brickinfo->status != GF_BRICK_STARTING && brickinfo->status != GF_BRICK_STARTED) { gf_log(this->name, GF_LOG_INFO, "discovered already-running brick %s", brickinfo->path); (void)pmap_registry_bind(this, brickinfo->port, brickinfo->path, GF_PMAP_PORT_BRICKSERVER, NULL); brickinfo->port_registered = _gf_true; /* * This will unfortunately result in a separate RPC * connection per brick, even though they're all in * the same process. It works, but it would be nicer * if we could find a pre-existing connection to that * same port (on another brick) and re-use that. * TBD: re-use RPC connection across bricks */ if (!is_brick_mx_enabled()) { glusterd_set_brick_socket_filepath( volinfo, brickinfo, socketpath, sizeof(socketpath)); } gf_log(this->name, GF_LOG_DEBUG, "Using %s as sockfile for brick %s of volume %s ", socketpath, brickinfo->path, volinfo->volname); (void)glusterd_brick_connect(volinfo, brickinfo, socketpath); ret = glusterd_brick_process_add_brick(brickinfo, NULL); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICKPROC_ADD_BRICK_FAILED, "Adding brick %s:%s to brick process " "failed.", brickinfo->hostname, brickinfo->path); goto out; } /* We need to set the status back to STARTING so that * while the other (re)start brick requests come in for * other bricks, this brick can be considered as * compatible. */ brickinfo->status = GF_BRICK_STARTING; } return 0; } if (only_connect) return 0; run: ret = _mk_rundir_p(volinfo); if (ret) goto out; other_brick = find_compatible_brick(conf, volinfo, brickinfo, &other_vol); if (other_brick) { /* mark the brick to starting as send_attach_req might take few * iterations to successfully attach the brick and we don't want * to get into a state where another needless trigger to start * the brick is processed */ brickinfo->status = GF_BRICK_STARTING; ret = attach_brick(this, brickinfo, other_brick, volinfo, other_vol); if (ret == 0) { goto out; } /* Attach_brick is failed so unlink pidfile */ if (sys_access(pidfile, R_OK) == 0) { sys_unlink(pidfile); } } /* * This hack is necessary because our brick-process management is a * total nightmare. We expect a brick process's socket and pid files * to be ready *immediately* after we start it. Ditto for it calling * back to bind its port. Unfortunately, none of that is realistic. * Any process takes non-zero time to start up. This has *always* been * racy and unsafe; it just became more visible with multiplexing. * * The right fix would be to do all of this setup *in the parent*, * which would include (among other things) getting the PID back from * the "runner" code. That's all prohibitively difficult and risky. * To work around the more immediate problems, we create a stub pidfile * here to let gf_is_service_running know that we expect the process to * be there shortly, and then it gets filled in with a real PID when * the process does finish starting up. * * TBD: pray for GlusterD 2 to be ready soon. */ gf_log(this->name, GF_LOG_INFO, "starting a fresh brick process for " "brick %s", brickinfo->path); ret = glusterd_volume_start_glusterfs(volinfo, brickinfo, wait); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICK_DISCONNECTED, "Unable to start brick %s:%s", brickinfo->hostname, brickinfo->path); gf_event(EVENT_BRICK_START_FAILED, "peer=%s;volume=%s;brick=%s", brickinfo->hostname, volinfo->volname, brickinfo->path); goto out; } out: if (ret && brickinfo) { brickinfo->start_triggered = _gf_false; } gf_msg_debug(this->name, 0, "returning %d ", ret); return ret; } int glusterd_restart_bricks(void *opaque) { int ret = 0; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *brickinfo = NULL; glusterd_snap_t *snap = NULL; gf_boolean_t start_svcs = _gf_false; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; int active_count = 0; int quorum_count = 0; gf_boolean_t node_quorum = _gf_false; this = THIS; GF_VALIDATE_OR_GOTO("glusterd", this, return_block); conf = this->private; GF_VALIDATE_OR_GOTO(this->name, conf, return_block); synclock_lock(&conf->big_lock); /* We need to ensure that restarting the bricks during glusterd restart * shouldn't race with the import volume thread (refer * glusterd_compare_friend_data ()) */ while (conf->restart_bricks) { synclock_unlock(&conf->big_lock); sleep(2); synclock_lock(&conf->big_lock); } conf->restart_bricks = _gf_true; GF_ATOMIC_INC(conf->blockers); ret = glusterd_get_quorum_cluster_counts(this, &active_count, &quorum_count); if (ret) goto out; if (does_quorum_meet(active_count, quorum_count)) node_quorum = _gf_true; cds_list_for_each_entry(volinfo, &conf->volumes, vol_list) { if (volinfo->status != GLUSTERD_STATUS_STARTED) { continue; } gf_msg_debug(this->name, 0, "starting the volume %s", volinfo->volname); /* Check the quorum, if quorum is not met, don't start the bricks. Stop bricks in case they are running. */ ret = check_quorum_for_brick_start(volinfo, node_quorum); if (ret == 0) { gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_SERVER_QUORUM_NOT_MET, "Skipping brick " "restart for volume %s as quorum is not met", volinfo->volname); (void)glusterd_stop_bricks(volinfo); continue; } else if (ret == 2 && conf->restart_done == _gf_true) { /* If glusterd has been restarted and quorum is not * applicable then do not restart the bricks as this * might start bricks brought down purposely, say for * maintenance */ continue; } else { start_svcs = _gf_true; cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { if (!brickinfo->start_triggered) { pthread_mutex_lock(&brickinfo->restart_mutex); { glusterd_brick_start(volinfo, brickinfo, _gf_false, _gf_false); } pthread_mutex_unlock(&brickinfo->restart_mutex); } } ret = glusterd_store_volinfo(volinfo, GLUSTERD_VOLINFO_VER_AC_NONE); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_STORE_FAIL, "Failed to " "write volinfo for volume %s", volinfo->volname); goto out; } } } cds_list_for_each_entry(snap, &conf->snapshots, snap_list) { cds_list_for_each_entry(volinfo, &snap->volumes, vol_list) { if (volinfo->status != GLUSTERD_STATUS_STARTED) continue; /* Check the quorum, if quorum is not met, don't start * the bricks */ ret = check_quorum_for_brick_start(volinfo, node_quorum); if (ret == 0) { gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_SERVER_QUORUM_NOT_MET, "Skipping" " brick restart for volume %s as " "quorum is not met", volinfo->volname); continue; } start_svcs = _gf_true; gf_msg_debug(this->name, 0, "starting the snap " "volume %s", volinfo->volname); cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { if (!brickinfo->start_triggered) { pthread_mutex_lock(&brickinfo->restart_mutex); { /* coverity[SLEEP] */ glusterd_brick_start(volinfo, brickinfo, _gf_false, _gf_false); } pthread_mutex_unlock(&brickinfo->restart_mutex); } } ret = glusterd_store_volinfo(volinfo, GLUSTERD_VOLINFO_VER_AC_NONE); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_STORE_FAIL, "Failed to " "write volinfo for volume %s", volinfo->volname); goto out; } } } if (start_svcs == _gf_true) { glusterd_svcs_manager(NULL); } ret = 0; out: GF_ATOMIC_DEC(conf->blockers); conf->restart_done = _gf_true; conf->restart_bricks = _gf_false; return_block: return ret; } int _local_gsyncd_start(dict_t *this, char *key, data_t *value, void *data) { char *path_list = NULL; char *slave = NULL; char *slave_url = NULL; char *slave_vol = NULL; char *slave_host = NULL; char *statefile = NULL; char buf[1024] = "faulty"; int ret = 0; int op_ret = 0; int ret_status = 0; char uuid_str[64] = ""; glusterd_volinfo_t *volinfo = NULL; char confpath[PATH_MAX] = ""; char *op_errstr = NULL; glusterd_conf_t *priv = NULL; gf_boolean_t is_template_in_use = _gf_false; gf_boolean_t is_paused = _gf_false; char key1[1024] = ""; xlator_t *this1 = NULL; this1 = THIS; GF_ASSERT(this1); priv = this1->private; GF_ASSERT(priv); GF_ASSERT(data); volinfo = data; slave = strchr(value->data, ':'); if (slave) slave++; else return 0; (void)snprintf(uuid_str, sizeof(uuid_str), "%s", (char *)value->data); /* Getting Local Brickpaths */ ret = glusterd_get_local_brickpaths(volinfo, &path_list); /*Generating the conf file path needed by gsyncd */ ret = glusterd_get_slave_info(slave, &slave_url, &slave_host, &slave_vol, &op_errstr); if (ret) { gf_msg(this1->name, GF_LOG_ERROR, 0, GD_MSG_SLAVEINFO_FETCH_ERROR, "Unable to fetch slave details."); ret = -1; goto out; } ret = snprintf(confpath, sizeof(confpath) - 1, "%s/" GEOREP "/%s_%s_%s/gsyncd.conf", priv->workdir, volinfo->volname, slave_host, slave_vol); confpath[ret] = '\0'; /* Fetching the last status of the node */ ret = glusterd_get_statefile_name(volinfo, slave, confpath, &statefile, &is_template_in_use); if (ret) { if (!strstr(slave, "::")) gf_msg(this1->name, GF_LOG_INFO, 0, GD_MSG_SLAVE_URL_INVALID, "%s is not a valid slave url.", slave); else gf_msg(this1->name, GF_LOG_INFO, 0, GD_MSG_GET_STATEFILE_NAME_FAILED, "Unable to get" " statefile's name"); goto out; } /* If state-file entry is missing from the config file, * do not start gsyncd on restart */ if (is_template_in_use) { gf_msg(this1->name, GF_LOG_INFO, 0, GD_MSG_NO_STATEFILE_ENTRY, "state-file entry is missing in config file." "Not Restarting"); goto out; } is_template_in_use = _gf_false; ret = gsync_status(volinfo->volname, slave, confpath, &ret_status, &is_template_in_use); if (ret == -1) { gf_msg(this1->name, GF_LOG_INFO, 0, GD_MSG_GSYNC_VALIDATION_FAIL, GEOREP " start option validation failed "); ret = 0; goto out; } if (is_template_in_use == _gf_true) { gf_msg(this1->name, GF_LOG_INFO, 0, GD_MSG_PIDFILE_NOT_FOUND, "pid-file entry is missing in config file." "Not Restarting"); ret = 0; goto out; } ret = glusterd_gsync_read_frm_status(statefile, buf, sizeof(buf)); if (ret <= 0) { gf_msg(this1->name, GF_LOG_ERROR, 0, GD_MSG_STAT_FILE_READ_FAILED, "Unable to read the status"); goto out; } /* Form key1 which is "::" */ snprintf(key1, sizeof(key1), "%s::%s", slave_url, slave_vol); /* Looks for the last status, to find if the session was running * when the node went down. If the session was just created or * stopped, do not restart the geo-rep session */ if ((!strcmp(buf, "Created")) || (!strcmp(buf, "Stopped"))) { gf_msg(this1->name, GF_LOG_INFO, 0, GD_MSG_GEO_REP_START_FAILED, "Geo-Rep Session was not started between " "%s and %s::%s. Not Restarting", volinfo->volname, slave_url, slave_vol); goto out; } else if (strstr(buf, "Paused")) { is_paused = _gf_true; } else if ((!strcmp(buf, "Config Corrupted"))) { gf_msg(this1->name, GF_LOG_INFO, 0, GD_MSG_RECOVERING_CORRUPT_CONF, "Recovering from a corrupted config. " "Not Restarting. Use start (force) to " "start the session between %s and %s::%s.", volinfo->volname, slave_url, slave_vol); goto out; } if (is_paused) { glusterd_start_gsync(volinfo, slave, path_list, confpath, uuid_str, NULL, _gf_true); } else { /* Add slave to the dict indicating geo-rep session is running*/ ret = dict_set_dynstr_with_alloc(volinfo->gsync_active_slaves, key1, "running"); if (ret) { gf_msg(this1->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Unable to set key:%s" " value:running in the dict", key1); goto out; } ret = glusterd_start_gsync(volinfo, slave, path_list, confpath, uuid_str, NULL, _gf_false); if (ret) dict_del(volinfo->gsync_active_slaves, key1); } out: if (statefile) GF_FREE(statefile); if (slave_url) GF_FREE(slave_url); if (is_template_in_use) { op_ret = glusterd_create_status_file( volinfo->volname, slave, slave_host, slave_vol, "Config Corrupted"); if (op_ret) { gf_msg(this1->name, GF_LOG_ERROR, 0, GD_MSG_STATUSFILE_CREATE_FAILED, "Unable to create status file" ". Error : %s", strerror(errno)); ret = op_ret; } } if (slave_vol) GF_FREE(slave_vol); GF_FREE(path_list); GF_FREE(op_errstr); return ret; } int glusterd_volume_restart_gsyncds(glusterd_volinfo_t *volinfo) { GF_ASSERT(volinfo); dict_foreach(volinfo->gsync_slaves, _local_gsyncd_start, volinfo); return 0; } int glusterd_restart_gsyncds(glusterd_conf_t *conf) { glusterd_volinfo_t *volinfo = NULL; int ret = 0; cds_list_for_each_entry(volinfo, &conf->volumes, vol_list) { glusterd_volume_restart_gsyncds(volinfo); } return ret; } int glusterd_calc_dist_leaf_count(int rcount, int scount) { return (rcount ? rcount : 1) * (scount ? scount : 1); } int glusterd_get_dist_leaf_count(glusterd_volinfo_t *volinfo) { int rcount = volinfo->replica_count; int scount = volinfo->stripe_count; if (volinfo->type == GF_CLUSTER_TYPE_DISPERSE) return volinfo->disperse_count; return glusterd_calc_dist_leaf_count(rcount, scount); } int glusterd_get_brickinfo(xlator_t *this, const char *brickname, int port, glusterd_brickinfo_t **brickinfo) { glusterd_conf_t *priv = NULL; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *tmpbrkinfo = NULL; glusterd_snap_t *snap = NULL; int ret = -1; GF_ASSERT(brickname); GF_ASSERT(this); priv = this->private; cds_list_for_each_entry(volinfo, &priv->volumes, vol_list) { cds_list_for_each_entry(tmpbrkinfo, &volinfo->bricks, brick_list) { if (gf_uuid_compare(tmpbrkinfo->uuid, MY_UUID)) continue; if (!strcmp(tmpbrkinfo->path, brickname) && (tmpbrkinfo->port == port)) { *brickinfo = tmpbrkinfo; return 0; } } } /* In case normal volume is not found, check for snapshot volumes */ cds_list_for_each_entry(snap, &priv->snapshots, snap_list) { cds_list_for_each_entry(volinfo, &snap->volumes, vol_list) { cds_list_for_each_entry(tmpbrkinfo, &volinfo->bricks, brick_list) { if (gf_uuid_compare(tmpbrkinfo->uuid, MY_UUID)) continue; if (!strcmp(tmpbrkinfo->path, brickname)) { *brickinfo = tmpbrkinfo; return 0; } } } } return ret; } glusterd_brickinfo_t * glusterd_get_brickinfo_by_position(glusterd_volinfo_t *volinfo, uint32_t pos) { glusterd_brickinfo_t *tmpbrkinfo = NULL; cds_list_for_each_entry(tmpbrkinfo, &volinfo->bricks, brick_list) { if (pos == 0) return tmpbrkinfo; pos--; } return NULL; } void glusterd_set_brick_status(glusterd_brickinfo_t *brickinfo, gf_brick_status_t status) { GF_ASSERT(brickinfo); brickinfo->status = status; if (GF_BRICK_STARTED == status) { gf_msg_debug("glusterd", 0, "Setting brick %s:%s status " "to started", brickinfo->hostname, brickinfo->path); } else { gf_msg_debug("glusterd", 0, "Setting brick %s:%s status " "to stopped", brickinfo->hostname, brickinfo->path); } } gf_boolean_t glusterd_is_brick_started(glusterd_brickinfo_t *brickinfo) { GF_ASSERT(brickinfo); return (brickinfo->status == GF_BRICK_STARTED); } int glusterd_friend_brick_belongs(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, void *uuid) { int ret = -1; GF_ASSERT(volinfo); GF_ASSERT(brickinfo); GF_ASSERT(uuid); if (gf_uuid_is_null(brickinfo->uuid)) { ret = glusterd_resolve_brick(brickinfo); if (ret) { GF_ASSERT(0); goto out; } } if (!gf_uuid_compare(brickinfo->uuid, *((uuid_t *)uuid))) return 0; out: return -1; } int glusterd_get_brick_root(char *path, char **mount_point) { char *ptr = NULL; char *mnt_pt = NULL; struct stat brickstat = {0}; struct stat buf = {0}; if (!path) goto err; mnt_pt = gf_strdup(path); if (!mnt_pt) goto err; if (sys_stat(mnt_pt, &brickstat)) goto err; while ((ptr = strrchr(mnt_pt, '/')) && ptr != mnt_pt) { *ptr = '\0'; if (sys_stat(mnt_pt, &buf)) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "error in " "stat: %s", strerror(errno)); goto err; } if (brickstat.st_dev != buf.st_dev) { *ptr = '/'; break; } } if (ptr == mnt_pt) { if (sys_stat("/", &buf)) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "error in " "stat: %s", strerror(errno)); goto err; } if (brickstat.st_dev == buf.st_dev) strcpy(mnt_pt, "/"); } *mount_point = mnt_pt; return 0; err: GF_FREE(mnt_pt); return -1; } static char * glusterd_parse_inode_size(char *stream, char *pattern) { char *needle = NULL; char *trail = NULL; needle = strstr(stream, pattern); if (!needle) goto out; needle = nwstrtail(needle, pattern); trail = needle; while (trail && isdigit(*trail)) trail++; if (trail) *trail = '\0'; out: return needle; } static struct fs_info { char *fs_type_name; char *fs_tool_name; char *fs_tool_arg; char *fs_tool_pattern; char *fs_tool_pkg; } glusterd_fs[] = {{"xfs", "xfs_info", NULL, "isize=", "xfsprogs"}, {"ext3", "tune2fs", "-l", "Inode size:", "e2fsprogs"}, {"ext4", "tune2fs", "-l", "Inode size:", "e2fsprogs"}, {"btrfs", NULL, NULL, NULL, NULL}, {"zfs", NULL, NULL, NULL, NULL}, {NULL, NULL, NULL, NULL, NULL}}; static int glusterd_add_inode_size_to_dict(dict_t *dict, int count) { int ret = -1; char key[64]; char buffer[4096] = ""; char *device = NULL; char *fs_name = NULL; char *cur_word = NULL; char *trail = NULL; runner_t runner = { 0, }; struct fs_info *fs = NULL; static dict_t *cached_fs = NULL; ret = snprintf(key, sizeof(key), "brick%d.device", count); ret = dict_get_strn(dict, key, ret, &device); if (ret) goto out; if (cached_fs) { if (dict_get_str(cached_fs, device, &cur_word) == 0) { goto cached; } } else { cached_fs = dict_new(); } ret = snprintf(key, sizeof(key), "brick%d.fs_name", count); ret = dict_get_strn(dict, key, ret, &fs_name); if (ret) goto out; runinit(&runner); runner_redir(&runner, STDOUT_FILENO, RUN_PIPE); for (fs = glusterd_fs; fs->fs_type_name; fs++) { if (strcmp(fs_name, fs->fs_type_name) == 0) { if (!fs->fs_tool_name) { /* dynamic inodes */ gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_INODE_SIZE_GET_FAIL, "the " "brick on %s (%s) uses dynamic inode " "sizes", device, fs_name); cur_word = "N/A"; goto cached; } runner_add_arg(&runner, fs->fs_tool_name); break; } } if (runner.argv[0]) { if (fs->fs_tool_arg) runner_add_arg(&runner, fs->fs_tool_arg); runner_add_arg(&runner, device); } else { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_INODE_SIZE_GET_FAIL, "could not find %s to get" "inode size for %s (%s): %s package missing?", fs->fs_tool_name, device, fs_name, fs->fs_tool_pkg); goto out; } ret = runner_start(&runner); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_CMD_EXEC_FAIL, "failed to execute " "\"%s\"", fs->fs_tool_name); /* * Runner_start might return an error after the child has * been forked, e.g. if the program isn't there. In that * case, we still need to call runner_end to reap the * child and free resources. Fortunately, that seems to * be harmless for other kinds of failures. */ (void)runner_end(&runner); goto out; } for (;;) { if (fgets(buffer, sizeof(buffer), runner_chio(&runner, STDOUT_FILENO)) == NULL) break; trail = strrchr(buffer, '\n'); if (trail) *trail = '\0'; cur_word = glusterd_parse_inode_size(buffer, fs->fs_tool_pattern); if (cur_word) break; } ret = runner_end(&runner); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_CMD_EXEC_FAIL, "%s exited with non-zero exit status", fs->fs_tool_name); goto out; } if (!cur_word) { ret = -1; gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_INODE_SIZE_GET_FAIL, "Unable to retrieve inode size using %s", fs->fs_tool_name); goto out; } if (dict_set_dynstr_with_alloc(cached_fs, device, cur_word)) { /* not fatal if not entered into the cache */ gf_msg_debug(THIS->name, 0, "failed to cache fs inode size for %s", device); } cached: snprintf(key, sizeof(key), "brick%d.inode_size", count); ret = dict_set_dynstr_with_alloc(dict, key, cur_word); out: if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_INODE_SIZE_GET_FAIL, "failed to get inode size"); return ret; } struct mntent * glusterd_get_mnt_entry_info(char *mnt_pt, char *buff, int buflen, struct mntent *entry_ptr) { struct mntent *entry = NULL; FILE *mtab = NULL; char abspath[PATH_MAX] = ""; GF_ASSERT(mnt_pt); GF_ASSERT(buff); GF_ASSERT(entry_ptr); mtab = setmntent(_PATH_MOUNTED, "r"); if (!mtab) goto out; if (!realpath(mnt_pt, abspath)) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_MNTENTRY_GET_FAIL, "realpath () failed for path %s", mnt_pt); goto out; } entry = getmntent_r(mtab, entry_ptr, buff, buflen); while (1) { if (!entry) goto out; if (!strcmp(entry->mnt_dir, abspath) && strcmp(entry->mnt_type, "rootfs")) break; entry = getmntent_r(mtab, entry_ptr, buff, buflen); } out: if (NULL != mtab) { endmntent(mtab); } return entry; } static int glusterd_add_brick_mount_details(glusterd_brickinfo_t *brickinfo, dict_t *dict, int count) { int ret = -1; char key[64] = ""; char buff[PATH_MAX] = ""; char base_key[32] = ""; struct mntent save_entry = {0}; char *mnt_pt = NULL; struct mntent *entry = NULL; snprintf(base_key, sizeof(base_key), "brick%d", count); ret = glusterd_get_brick_root(brickinfo->path, &mnt_pt); if (ret) goto out; entry = glusterd_get_mnt_entry_info(mnt_pt, buff, sizeof(buff), &save_entry); if (!entry) { ret = -1; goto out; } /* get device file */ snprintf(key, sizeof(key), "%s.device", base_key); ret = dict_set_dynstr_with_alloc(dict, key, entry->mnt_fsname); if (ret) goto out; /* fs type */ snprintf(key, sizeof(key), "%s.fs_name", base_key); ret = dict_set_dynstr_with_alloc(dict, key, entry->mnt_type); if (ret) goto out; /* mount options */ snprintf(key, sizeof(key), "%s.mnt_options", base_key); ret = dict_set_dynstr_with_alloc(dict, key, entry->mnt_opts); out: if (mnt_pt) GF_FREE(mnt_pt); return ret; } char * glusterd_get_brick_mount_device(char *brick_path) { int ret = -1; char *mnt_pt = NULL; char *device = NULL; char buff[PATH_MAX] = ""; struct mntent *entry = NULL; struct mntent save_entry = { 0, }; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(brick_path); ret = glusterd_get_brick_root(brick_path, &mnt_pt); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICKPATH_ROOT_GET_FAIL, "Failed to get mount point " "for %s brick", brick_path); goto out; } entry = glusterd_get_mnt_entry_info(mnt_pt, buff, sizeof(buff), &save_entry); if (NULL == entry) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_MNTENTRY_GET_FAIL, "Failed to get mnt entry " "for %s mount path", mnt_pt); goto out; } /* get the fs_name/device */ device = gf_strdup(entry->mnt_fsname); out: if (mnt_pt) GF_FREE(mnt_pt); return device; } int glusterd_add_brick_detail_to_dict(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, dict_t *dict, int count) { int ret = -1; uint64_t memtotal = 0; uint64_t memfree = 0; uint64_t inodes_total = 0; uint64_t inodes_free = 0; uint64_t block_size = 0; char key[64]; char base_key[32]; struct statvfs brickstat = {0}; xlator_t *this = NULL; this = THIS; GF_ASSERT(volinfo); GF_ASSERT(brickinfo); GF_ASSERT(dict); snprintf(base_key, sizeof(base_key), "brick%d", count); ret = sys_statvfs(brickinfo->path, &brickstat); if (ret) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "statfs error: %s ", strerror(errno)); goto out; } /* file system block size */ block_size = brickstat.f_bsize; snprintf(key, sizeof(key), "%s.block_size", base_key); ret = dict_set_uint64(dict, key, block_size); if (ret) goto out; /* free space in brick */ memfree = brickstat.f_bfree * brickstat.f_bsize; snprintf(key, sizeof(key), "%s.free", base_key); ret = dict_set_uint64(dict, key, memfree); if (ret) goto out; /* total space of brick */ memtotal = brickstat.f_blocks * brickstat.f_bsize; snprintf(key, sizeof(key), "%s.total", base_key); ret = dict_set_uint64(dict, key, memtotal); if (ret) goto out; /* inodes: total and free counts only for ext2/3/4 and xfs */ inodes_total = brickstat.f_files; if (inodes_total) { snprintf(key, sizeof(key), "%s.total_inodes", base_key); ret = dict_set_uint64(dict, key, inodes_total); if (ret) goto out; } inodes_free = brickstat.f_ffree; if (inodes_free) { snprintf(key, sizeof(key), "%s.free_inodes", base_key); ret = dict_set_uint64(dict, key, inodes_free); if (ret) goto out; } ret = glusterd_add_brick_mount_details(brickinfo, dict, count); if (ret) goto out; ret = glusterd_add_inode_size_to_dict(dict, count); out: if (ret) gf_msg_debug(this->name, 0, "Error adding brick" " detail to dict: %s", strerror(errno)); return ret; } int32_t glusterd_add_brick_to_dict(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, dict_t *dict, int32_t count) { int ret = -1; int32_t pid = -1; char key[64]; int keylen; char base_key[32]; char pidfile[PATH_MAX] = ""; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; gf_boolean_t brick_online = _gf_false; char *brickpath = NULL; GF_ASSERT(volinfo); GF_ASSERT(brickinfo); GF_ASSERT(dict); this = THIS; GF_ASSERT(this); priv = this->private; snprintf(base_key, sizeof(base_key), "brick%d", count); keylen = snprintf(key, sizeof(key), "%s.hostname", base_key); ret = dict_set_strn(dict, key, keylen, brickinfo->hostname); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.path", base_key); ret = dict_set_strn(dict, key, keylen, brickinfo->path); if (ret) goto out; /* add peer uuid */ snprintf(key, sizeof(key), "%s.peerid", base_key); ret = dict_set_dynstr_with_alloc(dict, key, uuid_utoa(brickinfo->uuid)); if (ret) { goto out; } keylen = snprintf(key, sizeof(key), "%s.port", base_key); ret = dict_set_int32n( dict, key, keylen, (volinfo->transport_type == GF_TRANSPORT_RDMA) ? 0 : brickinfo->port); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.rdma_port", base_key); if (volinfo->transport_type == GF_TRANSPORT_RDMA) { ret = dict_set_int32n(dict, key, keylen, brickinfo->port); } else if (volinfo->transport_type == GF_TRANSPORT_BOTH_TCP_RDMA) { ret = dict_set_int32n(dict, key, keylen, brickinfo->rdma_port); } else ret = dict_set_int32n(dict, key, keylen, 0); if (ret) goto out; GLUSTERD_GET_BRICK_PIDFILE(pidfile, volinfo, brickinfo, priv); if (glusterd_is_brick_started(brickinfo)) { if (gf_is_service_running(pidfile, &pid) && brickinfo->port_registered) { if (!is_brick_mx_enabled()) { brick_online = _gf_true; } else { brickpath = search_brick_path_from_proc(pid, brickinfo->path); if (!brickpath) { gf_log(this->name, GF_LOG_INFO, "brick path %s is not consumed", brickinfo->path); brick_online = _gf_false; } else { brick_online = _gf_true; GF_FREE(brickpath); } } } else { pid = -1; } } keylen = snprintf(key, sizeof(key), "%s.pid", base_key); ret = dict_set_int32n(dict, key, keylen, pid); if (ret) goto out; keylen = snprintf(key, sizeof(key), "%s.status", base_key); ret = dict_set_int32n(dict, key, keylen, brick_online); out: if (ret) gf_msg_debug(this->name, 0, "Returning %d", ret); return ret; } int32_t glusterd_get_all_volnames(dict_t *dict) { int ret = -1; int32_t vol_count = 0; char key[64] = ""; int keylen; glusterd_volinfo_t *entry = NULL; glusterd_conf_t *priv = NULL; priv = THIS->private; GF_ASSERT(priv); cds_list_for_each_entry(entry, &priv->volumes, vol_list) { keylen = snprintf(key, sizeof(key), "vol%d", vol_count); ret = dict_set_strn(dict, key, keylen, entry->volname); if (ret) goto out; vol_count++; } ret = dict_set_int32n(dict, "vol_count", SLEN("vol_count"), vol_count); out: if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to get all " "volume names for status"); return ret; } int glusterd_all_volume_cond_check(glusterd_condition_func func, int status, void *ctx) { glusterd_conf_t *priv = NULL; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *brickinfo = NULL; int ret = -1; xlator_t *this = NULL; this = THIS; priv = this->private; cds_list_for_each_entry(volinfo, &priv->volumes, vol_list) { cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { ret = func(volinfo, brickinfo, ctx); if (ret != status) { ret = -1; goto out; } } } ret = 0; out: gf_msg_debug("glusterd", 0, "returning %d", ret); return ret; } int glusterd_brick_stop(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, gf_boolean_t del_brick) { int ret = -1; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; this = THIS; GF_ASSERT(this); conf = this->private; GF_ASSERT(conf); if ((!brickinfo) || (!volinfo)) goto out; if (gf_uuid_is_null(brickinfo->uuid)) { ret = glusterd_resolve_brick(brickinfo); if (ret) { gf_event(EVENT_BRICKPATH_RESOLVE_FAILED, "peer=%s;volume=%s;brick=%s", brickinfo->hostname, volinfo->volname, brickinfo->path); gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_RESOLVE_BRICK_FAIL, FMTSTR_RESOLVE_BRICK, brickinfo->hostname, brickinfo->path); goto out; } } if (gf_uuid_compare(brickinfo->uuid, MY_UUID)) { ret = 0; if (del_brick) glusterd_delete_brick(volinfo, brickinfo); goto out; } ret = glusterd_volume_stop_glusterfs(volinfo, brickinfo, del_brick); if (ret) { gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_BRICK_STOP_FAIL, "Unable to stop" " brick: %s:%s", brickinfo->hostname, brickinfo->path); goto out; } out: gf_msg_debug(this->name, 0, "returning %d ", ret); return ret; } int glusterd_is_defrag_on(glusterd_volinfo_t *volinfo) { return (volinfo->rebal.defrag != NULL); } int glusterd_new_brick_validate(char *brick, glusterd_brickinfo_t *brickinfo, char *op_errstr, size_t len, char *op) { glusterd_brickinfo_t *newbrickinfo = NULL; int ret = -1; gf_boolean_t is_allocated = _gf_false; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); GF_ASSERT(brick); GF_ASSERT(op_errstr); if (!brickinfo) { ret = glusterd_brickinfo_new_from_brick(brick, &newbrickinfo, _gf_true, NULL); if (ret) goto out; is_allocated = _gf_true; } else { newbrickinfo = brickinfo; } ret = glusterd_resolve_brick(newbrickinfo); if (ret) { snprintf(op_errstr, len, "Host %s is not in \'Peer " "in Cluster\' state", newbrickinfo->hostname); goto out; } if (!gf_uuid_compare(MY_UUID, newbrickinfo->uuid)) { /* brick is local */ if (!glusterd_is_brickpath_available(newbrickinfo->uuid, newbrickinfo->path)) { snprintf(op_errstr, len, "Brick: %s not available." " Brick may be containing or be contained " "by an existing brick.", brick); if (op && (!strcmp(op, "GF_RESET_OP_COMMIT") || !strcmp(op, "GF_RESET_OP_COMMIT_FORCE"))) ret = 1; else ret = -1; goto out; } } else { peerinfo = glusterd_peerinfo_find_by_uuid(newbrickinfo->uuid); if (peerinfo == NULL) { ret = -1; snprintf(op_errstr, len, "Failed to find host %s", newbrickinfo->hostname); goto out; } if ((!peerinfo->connected)) { snprintf(op_errstr, len, "Host %s not connected", newbrickinfo->hostname); ret = -1; goto out; } if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) { snprintf(op_errstr, len, "Host %s is not in \'Peer " "in Cluster\' state", newbrickinfo->hostname); ret = -1; goto out; } } ret = 0; out: if (is_allocated) glusterd_brickinfo_delete(newbrickinfo); if (op_errstr[0] != '\0') gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICK_VALIDATE_FAIL, "%s", op_errstr); gf_msg_debug(this->name, 0, "returning %d ", ret); return ret; } int glusterd_rb_check_bricks(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *src, glusterd_brickinfo_t *dst) { glusterd_replace_brick_t *rb = NULL; GF_ASSERT(volinfo); rb = &volinfo->rep_brick; if (!rb->src_brick || !rb->dst_brick) return -1; if (strcmp(rb->src_brick->hostname, src->hostname) || strcmp(rb->src_brick->path, src->path)) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_RB_SRC_BRICKS_MISMATCH, "Replace brick src bricks differ"); return -1; } if (strcmp(rb->dst_brick->hostname, dst->hostname) || strcmp(rb->dst_brick->path, dst->path)) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_RB_DST_BRICKS_MISMATCH, "Replace brick dst bricks differ"); return -1; } return 0; } /*path needs to be absolute; works only on gfid, volume-id*/ static int glusterd_is_uuid_present(char *path, char *xattr, gf_boolean_t *present) { GF_ASSERT(path); GF_ASSERT(xattr); GF_ASSERT(present); int ret = -1; uuid_t uid = { 0, }; if (!path || !xattr || !present) goto out; ret = sys_lgetxattr(path, xattr, &uid, 16); if (ret >= 0) { *present = _gf_true; ret = 0; goto out; } switch (errno) { #if defined(ENODATA) case ENODATA: /* FALLTHROUGH */ #endif #if defined(ENOATTR) && (ENOATTR != ENODATA) case ENOATTR: /* FALLTHROUGH */ #endif case ENOTSUP: *present = _gf_false; ret = 0; break; default: break; } out: return ret; } /*path needs to be absolute*/ static int glusterd_is_path_in_use(char *path, gf_boolean_t *in_use, char **op_errstr) { int i = 0; int ret = -1; gf_boolean_t used = _gf_false; char dir[PATH_MAX] = ""; char *curdir = NULL; char msg[2048] = ""; char *keys[3] = {GFID_XATTR_KEY, GF_XATTR_VOL_ID_KEY, NULL}; GF_ASSERT(path); if (!path) goto out; if (snprintf(dir, PATH_MAX, "%s", path) >= PATH_MAX) goto out; curdir = dir; do { for (i = 0; !used && keys[i]; i++) { ret = glusterd_is_uuid_present(curdir, keys[i], &used); if (ret) goto out; } if (used) break; curdir = dirname(curdir); if (!strcmp(curdir, ".")) goto out; } while (strcmp(curdir, "/")); if (!strcmp(curdir, "/")) { for (i = 0; !used && keys[i]; i++) { ret = glusterd_is_uuid_present(curdir, keys[i], &used); if (ret) goto out; } } ret = 0; *in_use = used; out: if (ret) { snprintf(msg, sizeof(msg), "Failed to get extended " "attribute %s, reason: %s", keys[i], strerror(errno)); } if (*in_use) { if (path && curdir && !strcmp(path, curdir)) { snprintf(msg, sizeof(msg), "%s is already part of a " "volume", path); } else { snprintf(msg, sizeof(msg), "parent directory %s is " "already part of a volume", curdir); } } if (strlen(msg)) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_PATH_ALREADY_PART_OF_VOL, "%s", msg); *op_errstr = gf_strdup(msg); } return ret; } int glusterd_check_and_set_brick_xattr(char *host, char *path, uuid_t uuid, char **op_errstr, gf_boolean_t is_force) { int ret = -1; char msg[2048] = ""; gf_boolean_t in_use = _gf_false; int flags = 0; /* Check for xattr support in backend fs */ ret = sys_lsetxattr(path, "trusted.glusterfs.test", "working", 8, 0); if (ret == -1) { snprintf(msg, sizeof(msg), "Glusterfs is not" " supported on brick: %s:%s.\nSetting" " extended attributes failed, reason:" " %s.", host, path, strerror(errno)); goto out; } else { ret = sys_lremovexattr(path, "trusted.glusterfs.test"); if (ret) { snprintf(msg, sizeof(msg), "Removing test extended" " attribute failed, reason: %s", strerror(errno)); goto out; } } ret = glusterd_is_path_in_use(path, &in_use, op_errstr); if (ret) goto out; if (in_use && !is_force) { ret = -1; goto out; } if (!is_force) flags = XATTR_CREATE; ret = sys_lsetxattr(path, GF_XATTR_VOL_ID_KEY, uuid, 16, flags); if (ret == -1) { snprintf(msg, sizeof(msg), "Failed to set extended " "attributes %s, reason: %s", GF_XATTR_VOL_ID_KEY, strerror(errno)); goto out; } ret = 0; out: if (strlen(msg)) *op_errstr = gf_strdup(msg); return ret; } static int glusterd_sm_tr_log_transition_add_to_dict(dict_t *dict, glusterd_sm_tr_log_t *log, int i, int count) { int ret = -1; char key[64] = ""; int keylen; char timestr[64] = ""; char *str = NULL; GF_ASSERT(dict); GF_ASSERT(log); keylen = snprintf(key, sizeof(key), "log%d-old-state", count); str = log->state_name_get(log->transitions[i].old_state); ret = dict_set_strn(dict, key, keylen, str); if (ret) goto out; keylen = snprintf(key, sizeof(key), "log%d-event", count); str = log->event_name_get(log->transitions[i].event); ret = dict_set_strn(dict, key, keylen, str); if (ret) goto out; keylen = snprintf(key, sizeof(key), "log%d-new-state", count); str = log->state_name_get(log->transitions[i].new_state); ret = dict_set_strn(dict, key, keylen, str); if (ret) goto out; snprintf(key, sizeof(key), "log%d-time", count); gf_time_fmt(timestr, sizeof timestr, log->transitions[i].time, gf_timefmt_FT); ret = dict_set_dynstr_with_alloc(dict, key, timestr); if (ret) goto out; out: gf_msg_debug("glusterd", 0, "returning %d", ret); return ret; } int glusterd_sm_tr_log_add_to_dict(dict_t *dict, glusterd_sm_tr_log_t *circular_log) { int ret = -1; int i = 0; int start = 0; int end = 0; int index = 0; char key[16] = {0}; glusterd_sm_tr_log_t *log = NULL; int count = 0; GF_ASSERT(dict); GF_ASSERT(circular_log); log = circular_log; if (!log->count) return 0; if (log->count == log->size) start = log->current + 1; end = start + log->count; for (i = start; i < end; i++, count++) { index = i % log->count; ret = glusterd_sm_tr_log_transition_add_to_dict(dict, log, index, count); if (ret) goto out; } ret = snprintf(key, sizeof(key), "count"); ret = dict_set_int32n(dict, key, ret, log->count); out: gf_msg_debug("glusterd", 0, "returning %d", ret); return ret; } int glusterd_sm_tr_log_init(glusterd_sm_tr_log_t *log, char *(*state_name_get)(int), char *(*event_name_get)(int), size_t size) { glusterd_sm_transition_t *transitions = NULL; int ret = -1; GF_ASSERT(size > 0); GF_ASSERT(log && state_name_get && event_name_get); if (!log || !state_name_get || !event_name_get || (size <= 0)) goto out; transitions = GF_CALLOC(size, sizeof(*transitions), gf_gld_mt_sm_tr_log_t); if (!transitions) goto out; log->transitions = transitions; log->size = size; log->state_name_get = state_name_get; log->event_name_get = event_name_get; ret = 0; out: gf_msg_debug("glusterd", 0, "returning %d", ret); return ret; } void glusterd_sm_tr_log_delete(glusterd_sm_tr_log_t *log) { if (!log) return; GF_FREE(log->transitions); return; } int glusterd_sm_tr_log_transition_add(glusterd_sm_tr_log_t *log, int old_state, int new_state, int event) { glusterd_sm_transition_t *transitions = NULL; int ret = -1; int next = 0; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(log); if (!log) goto out; transitions = log->transitions; if (!transitions) goto out; if (log->count) next = (log->current + 1) % log->size; else next = 0; transitions[next].old_state = old_state; transitions[next].new_state = new_state; transitions[next].event = event; time(&transitions[next].time); log->current = next; if (log->count < log->size) log->count++; ret = 0; gf_msg_debug(this->name, 0, "Transitioning from '%s' to '%s' " "due to event '%s'", log->state_name_get(old_state), log->state_name_get(new_state), log->event_name_get(event)); out: gf_msg_debug(this->name, 0, "returning %d", ret); return ret; } int glusterd_remove_pending_entry(struct cds_list_head *list, void *elem) { glusterd_pending_node_t *pending_node = NULL; glusterd_pending_node_t *tmp = NULL; int ret = 0; cds_list_for_each_entry_safe(pending_node, tmp, list, list) { if (elem == pending_node->node) { cds_list_del_init(&pending_node->list); GF_FREE(pending_node); ret = 0; goto out; } } out: gf_msg_debug(THIS->name, 0, "returning %d", ret); return ret; } int glusterd_clear_pending_nodes(struct cds_list_head *list) { glusterd_pending_node_t *pending_node = NULL; glusterd_pending_node_t *tmp = NULL; cds_list_for_each_entry_safe(pending_node, tmp, list, list) { cds_list_del_init(&pending_node->list); GF_FREE(pending_node); } return 0; } int32_t glusterd_delete_volume(glusterd_volinfo_t *volinfo) { int ret = -1; GF_ASSERT(volinfo); ret = glusterd_store_delete_volume(volinfo); if (ret) goto out; glusterd_volinfo_remove(volinfo); out: gf_msg_debug(THIS->name, 0, "returning %d", ret); return ret; } int32_t glusterd_delete_brick(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo) { int ret = 0; char voldir[PATH_MAX] = ""; glusterd_conf_t *priv = THIS->private; GF_ASSERT(volinfo); GF_ASSERT(brickinfo); GLUSTERD_GET_VOLUME_DIR(voldir, volinfo, priv); glusterd_delete_volfile(volinfo, brickinfo); glusterd_store_delete_brick(brickinfo, voldir); glusterd_brickinfo_delete(brickinfo); volinfo->brick_count--; return ret; } int32_t glusterd_delete_all_bricks(glusterd_volinfo_t *volinfo) { int ret = 0; glusterd_brickinfo_t *brickinfo = NULL; glusterd_brickinfo_t *tmp = NULL; GF_ASSERT(volinfo); cds_list_for_each_entry_safe(brickinfo, tmp, &volinfo->bricks, brick_list) { ret = glusterd_delete_brick(volinfo, brickinfo); } return ret; } int glusterd_get_local_brickpaths(glusterd_volinfo_t *volinfo, char **pathlist) { char **path_tokens = NULL; char *tmp_path_list = NULL; char path[PATH_MAX] = ""; int32_t count = 0; int32_t pathlen = 0; int32_t total_len = 0; int32_t ret = 0; int i = 0; glusterd_brickinfo_t *brickinfo = NULL; if ((!volinfo) || (!pathlist)) goto out; path_tokens = GF_CALLOC(sizeof(char *), volinfo->brick_count, gf_gld_mt_charptr); if (!path_tokens) { gf_msg("glusterd", GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY, "Could not allocate memory."); ret = -1; goto out; } cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { if (gf_uuid_compare(brickinfo->uuid, MY_UUID)) continue; pathlen = snprintf(path, sizeof(path), "--path=%s ", brickinfo->path); if (pathlen < sizeof(path)) path[pathlen] = '\0'; else path[sizeof(path) - 1] = '\0'; path_tokens[count] = gf_strdup(path); if (!path_tokens[count]) { gf_msg("glusterd", GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY, "Could not allocate memory."); ret = -1; goto out; } count++; total_len += pathlen; } tmp_path_list = GF_CALLOC(sizeof(char), total_len + 1, gf_gld_mt_char); if (!tmp_path_list) { gf_msg("glusterd", GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY, "Could not allocate memory."); ret = -1; goto out; } for (i = 0; i < count; i++) strcat(tmp_path_list, path_tokens[i]); if (count) *pathlist = tmp_path_list; ret = count; out: if (path_tokens) { for (i = 0; i < count; i++) { GF_FREE(path_tokens[i]); } } GF_FREE(path_tokens); path_tokens = NULL; if (ret == 0) { gf_msg_debug("glusterd", 0, "No Local Bricks Present."); GF_FREE(tmp_path_list); tmp_path_list = NULL; } gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } int glusterd_start_gsync(glusterd_volinfo_t *master_vol, char *slave, char *path_list, char *conf_path, char *glusterd_uuid_str, char **op_errstr, gf_boolean_t is_pause) { int32_t ret = 0; int32_t status = 0; char uuid_str[64] = ""; runner_t runner = { 0, }; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; int errcode = 0; gf_boolean_t is_template_in_use = _gf_false; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); uuid_utoa_r(MY_UUID, uuid_str); if (!path_list) { ret = 0; gf_msg_debug("glusterd", 0, "No Bricks in this node." " Not starting gsyncd."); goto out; } ret = gsync_status(master_vol->volname, slave, conf_path, &status, &is_template_in_use); if (status == 0) goto out; if (is_template_in_use == _gf_true) { gf_asprintf(op_errstr, GEOREP " start failed for %s %s : " "pid-file entry missing in config file", master_vol->volname, slave); ret = -1; goto out; } uuid_utoa_r(master_vol->volume_id, uuid_str); runinit(&runner); runner_add_args(&runner, GSYNCD_PREFIX "/gsyncd", path_list, "-c", NULL); runner_argprintf(&runner, "%s", conf_path); runner_argprintf(&runner, ":%s", master_vol->volname); runner_add_args(&runner, slave, "--config-set", "session-owner", NULL); runner_argprintf(&runner, "--value=%s", uuid_str); synclock_unlock(&priv->big_lock); ret = runner_run(&runner); synclock_lock(&priv->big_lock); if (ret == -1) { errcode = -1; goto out; } runinit(&runner); runner_add_args(&runner, GSYNCD_PREFIX "/gsyncd", path_list, "--monitor", "-c", NULL); runner_argprintf(&runner, "%s", conf_path); runner_argprintf(&runner, "--iprefix=%s", DATADIR); runner_argprintf(&runner, ":%s", master_vol->volname); runner_argprintf(&runner, "--glusterd-uuid=%s", uuid_utoa(priv->uuid)); runner_add_arg(&runner, slave); if (is_pause) runner_add_arg(&runner, "--pause-on-start"); synclock_unlock(&priv->big_lock); ret = runner_run(&runner); synclock_lock(&priv->big_lock); if (ret == -1) { gf_asprintf(op_errstr, GEOREP " start failed for %s %s", master_vol->volname, slave); goto out; } ret = 0; out: if ((ret != 0) && errcode == -1) { if (op_errstr) *op_errstr = gf_strdup( "internal error, cannot start " "the " GEOREP " session"); } gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } int32_t glusterd_recreate_volfiles(glusterd_conf_t *conf) { glusterd_volinfo_t *volinfo = NULL; int ret = 0; int op_ret = 0; GF_ASSERT(conf); cds_list_for_each_entry(volinfo, &conf->volumes, vol_list) { ret = generate_brick_volfiles(volinfo); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_VOLFILE_CREATE_FAIL, "Failed to " "regenerate brick volfiles for %s", volinfo->volname); op_ret = ret; } ret = generate_client_volfiles(volinfo, GF_CLIENT_TRUSTED); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_VOLFILE_CREATE_FAIL, "Failed to " "regenerate trusted client volfiles for %s", volinfo->volname); op_ret = ret; } ret = generate_client_volfiles(volinfo, GF_CLIENT_OTHER); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_VOLFILE_CREATE_FAIL, "Failed to " "regenerate client volfiles for %s", volinfo->volname); op_ret = ret; } } return op_ret; } int32_t glusterd_handle_upgrade_downgrade(dict_t *options, glusterd_conf_t *conf, gf_boolean_t upgrade, gf_boolean_t downgrade) { int ret = 0; gf_boolean_t regenerate_volfiles = _gf_false; gf_boolean_t terminate = _gf_false; if (_gf_true == upgrade) regenerate_volfiles = _gf_true; if (upgrade && downgrade) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_WRONG_OPTS_SETTING, "Both upgrade and downgrade" " options are set. Only one should be on"); ret = -1; goto out; } if (!upgrade && !downgrade) ret = 0; else terminate = _gf_true; if (regenerate_volfiles) { ret = glusterd_recreate_volfiles(conf); } out: if (terminate && (ret == 0)) kill(getpid(), SIGTERM); return ret; } static inline int glusterd_is_replica_volume(int type) { if (type == GF_CLUSTER_TYPE_REPLICATE) return 1; return 0; } gf_boolean_t glusterd_is_volume_replicate(glusterd_volinfo_t *volinfo) { return glusterd_is_replica_volume((volinfo->type)); } gf_boolean_t glusterd_is_shd_compatible_type(int type) { switch (type) { case GF_CLUSTER_TYPE_REPLICATE: case GF_CLUSTER_TYPE_DISPERSE: return _gf_true; } return _gf_false; } gf_boolean_t glusterd_is_shd_compatible_volume(glusterd_volinfo_t *volinfo) { return glusterd_is_shd_compatible_type(volinfo->type); } int glusterd_set_dump_options(char *dumpoptions_path, char *options, int option_cnt) { int ret = 0; char *dup_options = NULL; char *option = NULL; char *tmpptr = NULL; FILE *fp = NULL; int nfs_cnt = 0; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); if (0 == option_cnt || (option_cnt == 1 && (!strcmp(options, "nfs ")))) { ret = 0; goto out; } fp = fopen(dumpoptions_path, "w"); if (!fp) { ret = -1; goto out; } dup_options = gf_strdup(options); if (!dup_options) { goto out; } gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_STATEDUMP_OPTS_RCVD, "Received following statedump options: %s", dup_options); option = strtok_r(dup_options, " ", &tmpptr); while (option) { if (!strcmp(option, priv->nfs_svc.name)) { if (nfs_cnt > 0) { sys_unlink(dumpoptions_path); ret = 0; goto out; } nfs_cnt++; option = strtok_r(NULL, " ", &tmpptr); continue; } fprintf(fp, "%s=yes\n", option); option = strtok_r(NULL, " ", &tmpptr); } out: if (fp) fclose(fp); GF_FREE(dup_options); return ret; } static int glusterd_brick_signal(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, char *options, int option_cnt, char **op_errstr, int sig) { int ret = -1; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; char pidfile_path[PATH_MAX] = ""; char dumpoptions_path[PATH_MAX] = ""; FILE *pidfile = NULL; pid_t pid = -1; this = THIS; GF_ASSERT(this); conf = this->private; GF_ASSERT(conf); if (gf_uuid_is_null(brickinfo->uuid)) { ret = glusterd_resolve_brick(brickinfo); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_RESOLVE_BRICK_FAIL, "Cannot resolve brick %s:%s", brickinfo->hostname, brickinfo->path); goto out; } } if (gf_uuid_compare(brickinfo->uuid, MY_UUID)) { ret = 0; goto out; } GLUSTERD_GET_BRICK_PIDFILE(pidfile_path, volinfo, brickinfo, conf); /* TBD: use gf_is_service_running instead of almost-identical code? */ pidfile = fopen(pidfile_path, "r"); if (!pidfile) { gf_msg("glusterd", GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "Unable to open pidfile: %s", pidfile_path); ret = -1; goto out; } ret = fscanf(pidfile, "%d", &pid); if (ret <= 0) { gf_msg("glusterd", GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "Unable to get pid of brick process"); ret = -1; goto out; } if (pid == 0) { gf_msg("glusterd", GF_LOG_WARNING, 0, GD_MSG_NO_SIG_TO_PID_ZERO, "refusing to send signal %d to pid zero", sig); goto out; } if (sig == SIGUSR1) { snprintf(dumpoptions_path, sizeof(dumpoptions_path), DEFAULT_VAR_RUN_DIRECTORY "/glusterdump.%d.options", pid); ret = glusterd_set_dump_options(dumpoptions_path, options, option_cnt); if (ret < 0) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_BRK_STATEDUMP_FAIL, "error while parsing the statedump " "options"); ret = -1; goto out; } } gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_STATEDUMP_INFO, "sending signal %d to brick with pid %d", sig, pid); kill(pid, sig); sleep(1); sys_unlink(dumpoptions_path); ret = 0; out: if (pidfile) fclose(pidfile); return ret; } int glusterd_brick_statedump(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, char *options, int option_cnt, char **op_errstr) { return glusterd_brick_signal(volinfo, brickinfo, options, option_cnt, op_errstr, SIGUSR1); } int glusterd_brick_terminate(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, char *options, int option_cnt, char **op_errstr) { return glusterd_brick_signal(volinfo, brickinfo, options, option_cnt, op_errstr, SIGTERM); } int glusterd_nfs_statedump(char *options, int option_cnt, char **op_errstr) { int ret = -1; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; char pidfile_path[PATH_MAX] = ""; FILE *pidfile = NULL; pid_t pid = -1; char dumpoptions_path[PATH_MAX] = ""; char *option = NULL; char *tmpptr = NULL; char *dup_options = NULL; char msg[256] = ""; this = THIS; GF_ASSERT(this); conf = this->private; GF_ASSERT(conf); dup_options = gf_strdup(options); if (!dup_options) { goto out; } option = strtok_r(dup_options, " ", &tmpptr); if (strcmp(option, conf->nfs_svc.name)) { snprintf(msg, sizeof(msg), "for nfs statedump, options should" " be after the key nfs"); *op_errstr = gf_strdup(msg); ret = -1; goto out; } GLUSTERD_GET_NFS_PIDFILE(pidfile_path, conf); pidfile = fopen(pidfile_path, "r"); if (!pidfile) { gf_msg("glusterd", GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "Unable to open pidfile: %s", pidfile_path); ret = -1; goto out; } ret = fscanf(pidfile, "%d", &pid); if (ret <= 0) { gf_msg("glusterd", GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "Unable to get pid of brick process"); ret = -1; goto out; } snprintf(dumpoptions_path, sizeof(dumpoptions_path), DEFAULT_VAR_RUN_DIRECTORY "/glusterdump.%d.options", pid); ret = glusterd_set_dump_options(dumpoptions_path, options, option_cnt); if (ret < 0) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_BRK_STATEDUMP_FAIL, "error while parsing the statedump " "options"); ret = -1; goto out; } gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_STATEDUMP_INFO, "Performing statedump on nfs server with " "pid %d", pid); kill(pid, SIGUSR1); sleep(1); /* coverity[TAINTED_STRING] */ sys_unlink(dumpoptions_path); ret = 0; out: if (pidfile) fclose(pidfile); GF_FREE(dup_options); return ret; } int glusterd_client_statedump(char *volname, char *options, int option_cnt, char **op_errstr) { int ret = 0; char *dup_options = NULL; char *option = NULL; char *tmpptr = NULL; char msg[256] = ""; char *target_ip = NULL; char *pid = NULL; dup_options = gf_strdup(options); if (!dup_options) { goto out; } option = strtok_r(dup_options, " ", &tmpptr); if (strcmp(option, "client")) { snprintf(msg, sizeof(msg), "for gluster client statedump, options " "should be after the key 'client'"); *op_errstr = gf_strdup(msg); ret = -1; goto out; } target_ip = strtok_r(NULL, " ", &tmpptr); if (target_ip == NULL) { snprintf(msg, sizeof(msg), "ip address not specified"); *op_errstr = gf_strdup(msg); ret = -1; goto out; } pid = strtok_r(NULL, " ", &tmpptr); if (pid == NULL) { snprintf(msg, sizeof(msg), "pid not specified"); *op_errstr = gf_strdup(msg); ret = -1; goto out; } ret = glusterd_client_statedump_submit_req(volname, target_ip, pid); out: GF_FREE(dup_options); return ret; } int glusterd_quotad_statedump(char *options, int option_cnt, char **op_errstr) { int ret = -1; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; char pidfile_path[PATH_MAX] = ""; FILE *pidfile = NULL; pid_t pid = -1; char dumpoptions_path[PATH_MAX] = ""; char *option = NULL; char *tmpptr = NULL; char *dup_options = NULL; char msg[256] = ""; this = THIS; GF_ASSERT(this); conf = this->private; GF_ASSERT(conf); dup_options = gf_strdup(options); if (!dup_options) { goto out; } option = strtok_r(dup_options, " ", &tmpptr); if (strcmp(option, conf->quotad_svc.name)) { snprintf(msg, sizeof(msg), "for quotad statedump, options " "should be after the key 'quotad'"); *op_errstr = gf_strdup(msg); ret = -1; goto out; } GLUSTERD_GET_QUOTAD_PIDFILE(pidfile_path, conf); pidfile = fopen(pidfile_path, "r"); if (!pidfile) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "Unable to open pidfile: %s", pidfile_path); ret = -1; goto out; } ret = fscanf(pidfile, "%d", &pid); if (ret <= 0) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "Unable to get pid of quotad " "process"); ret = -1; goto out; } snprintf(dumpoptions_path, sizeof(dumpoptions_path), DEFAULT_VAR_RUN_DIRECTORY "/glusterdump.%d.options", pid); ret = glusterd_set_dump_options(dumpoptions_path, options, option_cnt); if (ret < 0) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRK_STATEDUMP_FAIL, "error while parsing " "statedump options"); ret = -1; goto out; } gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_STATEDUMP_INFO, "Performing statedump on quotad with " "pid %d", pid); kill(pid, SIGUSR1); sleep(1); /* coverity[TAINTED_STRING] */ sys_unlink(dumpoptions_path); ret = 0; out: if (pidfile) fclose(pidfile); GF_FREE(dup_options); return ret; } /* Checks if the given peer contains bricks belonging to the given volume. * Returns, * 2 - if peer contains all the bricks * 1 - if peer contains at least 1 brick * 0 - if peer contains no bricks */ int glusterd_friend_contains_vol_bricks(glusterd_volinfo_t *volinfo, uuid_t friend_uuid) { int ret = 0; glusterd_brickinfo_t *brickinfo = NULL; int count = 0; GF_ASSERT(volinfo); cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { if (!gf_uuid_compare(brickinfo->uuid, friend_uuid)) { count++; } } if (count) { if (count == volinfo->brick_count) ret = 2; else ret = 1; } gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } /* Checks if the given peer contains bricks belonging to the given volume. * Returns, * 2 - if peer contains all the bricks * 1 - if peer contains at least 1 brick * 0 - if peer contains no bricks */ int glusterd_friend_contains_snap_bricks(glusterd_snap_t *snapinfo, uuid_t friend_uuid) { int ret = -1; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *brickinfo = NULL; int count = 0; GF_VALIDATE_OR_GOTO("glusterd", snapinfo, out); cds_list_for_each_entry(volinfo, &snapinfo->volumes, vol_list) { cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { if (!gf_uuid_compare(brickinfo->uuid, friend_uuid)) { count++; } } } if (count > 0) ret = 1; else ret = 0; out: gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } /* Cleanup the stale volumes left behind in the cluster. The volumes which are * contained completely within the detached peer are stale with respect to the * cluster. */ int glusterd_friend_remove_cleanup_vols(uuid_t uuid) { int ret = -1; glusterd_conf_t *priv = NULL; glusterd_svc_t *svc = NULL; glusterd_volinfo_t *volinfo = NULL; glusterd_volinfo_t *tmp_volinfo = NULL; priv = THIS->private; GF_ASSERT(priv); cds_list_for_each_entry_safe(volinfo, tmp_volinfo, &priv->volumes, vol_list) { if (!glusterd_friend_contains_vol_bricks(volinfo, MY_UUID)) { /*Stop snapd daemon service if snapd daemon is running*/ if (!volinfo->is_snap_volume) { svc = &(volinfo->snapd.svc); ret = svc->stop(svc, SIGTERM); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_SVC_STOP_FAIL, "Failed " "to stop snapd daemon service"); } } if (glusterd_is_shd_compatible_volume(volinfo)) { /* * Sending stop request for all volumes. So it is fine * to send stop for mux shd */ svc = &(volinfo->shd.svc); ret = svc->stop(svc, SIGTERM); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_SVC_STOP_FAIL, "Failed " "to stop shd daemon service"); } } } if (glusterd_friend_contains_vol_bricks(volinfo, uuid) == 2) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_STALE_VOL_DELETE_INFO, "Deleting stale volume %s", volinfo->volname); ret = glusterd_delete_volume(volinfo); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_STALE_VOL_REMOVE_FAIL, "Error deleting stale volume"); goto out; } } } /* Reconfigure all daemon services upon peer detach */ ret = glusterd_svcs_reconfigure(NULL); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_SVC_STOP_FAIL, "Failed to reconfigure all daemon services."); } ret = 0; out: gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } int glusterd_get_bitd_filepath(char *filepath, glusterd_volinfo_t *volinfo) { int ret = 0; char path[PATH_MAX] = ""; glusterd_conf_t *priv = NULL; int32_t len = 0; priv = THIS->private; GLUSTERD_GET_VOLUME_DIR(path, volinfo, priv); len = snprintf(filepath, PATH_MAX, "%s/%s-bitd.vol", path, volinfo->volname); if ((len < 0) || (len >= PATH_MAX)) { ret = -1; } return ret; } int glusterd_get_client_filepath(char *filepath, glusterd_volinfo_t *volinfo, gf_transport_type type) { int ret = 0; char path[PATH_MAX] = ""; glusterd_conf_t *priv = NULL; int32_t len = 0; priv = THIS->private; GLUSTERD_GET_VOLUME_DIR(path, volinfo, priv); switch (type) { case GF_TRANSPORT_TCP: len = snprintf(filepath, PATH_MAX, "%s/%s.tcp-fuse.vol", path, volinfo->volname); break; case GF_TRANSPORT_RDMA: len = snprintf(filepath, PATH_MAX, "%s/%s.rdma-fuse.vol", path, volinfo->volname); break; default: ret = -1; break; } if ((len < 0) || (len >= PATH_MAX)) { ret = -1; } return ret; } int glusterd_get_trusted_client_filepath(char *filepath, glusterd_volinfo_t *volinfo, gf_transport_type type) { int ret = 0; char path[PATH_MAX] = ""; glusterd_conf_t *priv = NULL; int32_t len = 0; priv = THIS->private; GLUSTERD_GET_VOLUME_DIR(path, volinfo, priv); switch (type) { case GF_TRANSPORT_TCP: len = snprintf(filepath, PATH_MAX, "%s/trusted-%s.tcp-fuse.vol", path, volinfo->volname); break; case GF_TRANSPORT_RDMA: len = snprintf(filepath, PATH_MAX, "%s/trusted-%s.rdma-fuse.vol", path, volinfo->volname); break; default: ret = -1; break; } if ((len < 0) || (len >= PATH_MAX)) { ret = -1; } return ret; } int glusterd_get_dummy_client_filepath(char *filepath, glusterd_volinfo_t *volinfo, gf_transport_type type) { int ret = 0; switch (type) { case GF_TRANSPORT_TCP: case GF_TRANSPORT_BOTH_TCP_RDMA: snprintf(filepath, PATH_MAX, "/tmp/%s.tcp-fuse.vol", volinfo->volname); break; case GF_TRANSPORT_RDMA: snprintf(filepath, PATH_MAX, "/tmp/%s.rdma-fuse.vol", volinfo->volname); break; default: ret = -1; break; } return ret; } int glusterd_volume_defrag_restart(glusterd_volinfo_t *volinfo, char *op_errstr, size_t len, int cmd, defrag_cbk_fn_t cbk) { xlator_t *this = NULL; glusterd_conf_t *priv = NULL; char pidfile[PATH_MAX] = ""; int ret = -1; pid_t pid = 0; this = THIS; GF_ASSERT(this); priv = this->private; if (!priv) return ret; /* Don't start the rebalance process if the stautus is already * completed, stopped or failed. If the status is started, check if * there is an existing process already and connect to it. If not, then * start the rebalance process */ switch (volinfo->rebal.defrag_status) { case GF_DEFRAG_STATUS_COMPLETE: case GF_DEFRAG_STATUS_STOPPED: case GF_DEFRAG_STATUS_FAILED: break; case GF_DEFRAG_STATUS_STARTED: GLUSTERD_GET_DEFRAG_PID_FILE(pidfile, volinfo, priv); if (gf_is_service_running(pidfile, &pid)) { ret = glusterd_rebalance_defrag_init(volinfo, cbk); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_REBALANCE_START_FAIL, "Failed to initialize defrag." "Not starting rebalance process for " "%s.", volinfo->volname); gf_event(EVENT_REBALANCE_START_FAILED, "volume=%s", volinfo->volname); goto out; } ret = glusterd_rebalance_rpc_create(volinfo); break; } case GF_DEFRAG_STATUS_NOT_STARTED: ret = glusterd_handle_defrag_start(volinfo, op_errstr, len, cmd, cbk, volinfo->rebal.op); if (ret) { volinfo->rebal.defrag_status = GF_DEFRAG_STATUS_FAILED; gf_event(EVENT_REBALANCE_START_FAILED, "volume=%s", volinfo->volname); } break; default: gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_REBALANCE_START_FAIL, "Unknown defrag status (%d)." "Not starting rebalance process for %s.", volinfo->rebal.defrag_status, volinfo->volname); break; } out: return ret; } void glusterd_defrag_info_set(glusterd_volinfo_t *volinfo, dict_t *dict, int cmd, int status, int op) { xlator_t *this = NULL; int ret = -1; char *task_id_str = NULL; glusterd_rebalance_t *rebal = NULL; this = THIS; rebal = &volinfo->rebal; rebal->defrag_cmd = cmd; rebal->defrag_status = status; rebal->op = op; if (gf_uuid_is_null(rebal->rebalance_id)) return; if (is_origin_glusterd(dict)) { ret = glusterd_generate_and_set_task_id(dict, GF_REBALANCE_TID_KEY, SLEN(GF_REBALANCE_TID_KEY)); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_TASKID_GEN_FAIL, "Failed to generate task-id"); goto out; } } ret = dict_get_strn(dict, GF_REBALANCE_TID_KEY, SLEN(GF_REBALANCE_TID_KEY), &task_id_str); if (ret) { gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_REBALANCE_ID_MISSING, "Missing rebalance-id"); ret = 0; goto out; } gf_uuid_parse(task_id_str, rebal->rebalance_id); out: if (ret) { gf_msg_debug(this->name, 0, "Rebalance start validate failed"); } return; } int glusterd_restart_rebalance_for_volume(glusterd_volinfo_t *volinfo) { int ret = -1; char op_errstr[PATH_MAX] = ""; if (!gd_should_i_start_rebalance(volinfo)) { /* Store the rebalance-id and rebalance command even if * the peer isn't starting a rebalance process. On peers * where a rebalance process is started, * glusterd_handle_defrag_start performs the storing. * * Storing this is needed for having 'volume status' * work correctly. */ volinfo->rebal.defrag_status = GF_DEFRAG_STATUS_NOT_STARTED; return 0; } if (!volinfo->rebal.defrag_cmd) { volinfo->rebal.defrag_status = GF_DEFRAG_STATUS_FAILED; return -1; } ret = glusterd_volume_defrag_restart(volinfo, op_errstr, PATH_MAX, volinfo->rebal.defrag_cmd, volinfo->rebal.op == GD_OP_REMOVE_BRICK ? glusterd_remove_brick_migrate_cbk : NULL); if (!ret) { /* If remove brick is started then ensure that on a glusterd * restart decommission_is_in_progress is set to avoid remove * brick commit to happen when rebalance is not completed. */ if (volinfo->rebal.op == GD_OP_REMOVE_BRICK && volinfo->rebal.defrag_status == GF_DEFRAG_STATUS_STARTED) { volinfo->decommission_in_progress = 1; } } return ret; } int glusterd_restart_rebalance(glusterd_conf_t *conf) { glusterd_volinfo_t *volinfo = NULL; int ret = 0; cds_list_for_each_entry(volinfo, &conf->volumes, vol_list) { glusterd_restart_rebalance_for_volume(volinfo); } return ret; } void glusterd_volinfo_reset_defrag_stats(glusterd_volinfo_t *volinfo) { glusterd_rebalance_t *rebal = NULL; GF_ASSERT(volinfo); rebal = &volinfo->rebal; rebal->rebalance_files = 0; rebal->rebalance_data = 0; rebal->lookedup_files = 0; rebal->rebalance_failures = 0; rebal->rebalance_time = 0; rebal->skipped_files = 0; } gf_boolean_t glusterd_is_local_brick(xlator_t *this, glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo) { gf_boolean_t local = _gf_false; int ret = 0; if (gf_uuid_is_null(brickinfo->uuid)) { ret = glusterd_resolve_brick(brickinfo); if (ret) goto out; } local = !gf_uuid_compare(brickinfo->uuid, MY_UUID); out: return local; } int glusterd_validate_volume_id(dict_t *op_dict, glusterd_volinfo_t *volinfo) { int ret = -1; char *volid_str = NULL; uuid_t vol_uid = { 0, }; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); ret = dict_get_strn(op_dict, "vol-id", SLEN("vol-id"), &volid_str); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get volume id for " "volume %s", volinfo->volname); goto out; } ret = gf_uuid_parse(volid_str, vol_uid); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_UUID_PARSE_FAIL, "Failed to parse volume id " "for volume %s", volinfo->volname); goto out; } if (gf_uuid_compare(vol_uid, volinfo->volume_id)) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_ID_MISMATCH, "Volume ids of volume %s - %s" " and %s - are different. Possibly a split brain among " "peers.", volinfo->volname, volid_str, uuid_utoa(volinfo->volume_id)); ret = -1; goto out; } out: return ret; } int glusterd_defrag_volume_status_update(glusterd_volinfo_t *volinfo, dict_t *rsp_dict, int32_t cmd) { int ret = 0; int ret2 = 0; uint64_t files = 0; uint64_t size = 0; uint64_t lookup = 0; gf_defrag_status_t status = GF_DEFRAG_STATUS_NOT_STARTED; uint64_t failures = 0; uint64_t skipped = 0; xlator_t *this = NULL; double run_time = 0; uint64_t promoted = 0; uint64_t demoted = 0; uint64_t time_left = 0; this = THIS; ret = dict_get_uint64(rsp_dict, "files", &files); if (ret) gf_msg_trace(this->name, 0, "failed to get file count"); ret = dict_get_uint64(rsp_dict, "size", &size); if (ret) gf_msg_trace(this->name, 0, "failed to get size of xfer"); ret = dict_get_uint64(rsp_dict, "lookups", &lookup); if (ret) gf_msg_trace(this->name, 0, "failed to get lookedup file count"); ret = dict_get_int32n(rsp_dict, "status", SLEN("status"), (int32_t *)&status); if (ret) gf_msg_trace(this->name, 0, "failed to get status"); ret = dict_get_uint64(rsp_dict, "failures", &failures); if (ret) gf_msg_trace(this->name, 0, "failed to get failure count"); ret = dict_get_uint64(rsp_dict, "skipped", &skipped); if (ret) gf_msg_trace(this->name, 0, "failed to get skipped count"); ret = dict_get_uint64(rsp_dict, "promoted", &promoted); if (ret) gf_msg_trace(this->name, 0, "failed to get promoted count"); ret = dict_get_uint64(rsp_dict, "demoted", &demoted); if (ret) gf_msg_trace(this->name, 0, "failed to get demoted count"); ret = dict_get_double(rsp_dict, "run-time", &run_time); if (ret) gf_msg_trace(this->name, 0, "failed to get run-time"); ret2 = dict_get_uint64(rsp_dict, "time-left", &time_left); if (ret2) gf_msg_trace(this->name, 0, "failed to get time left"); if (files) volinfo->rebal.rebalance_files = files; if (size) volinfo->rebal.rebalance_data = size; if (lookup) volinfo->rebal.lookedup_files = lookup; if (status) volinfo->rebal.defrag_status = status; if (failures) volinfo->rebal.rebalance_failures = failures; if (skipped) volinfo->rebal.skipped_files = skipped; if (run_time) volinfo->rebal.rebalance_time = run_time; if (!ret2) volinfo->rebal.time_left = time_left; return ret; } int glusterd_check_topology_identical(const char *filename1, const char *filename2, gf_boolean_t *identical) { int ret = -1; /* FAILURE */ xlator_t *this = THIS; FILE *fp1 = NULL; FILE *fp2 = NULL; glusterfs_graph_t *grph1 = NULL; glusterfs_graph_t *grph2 = NULL; /* Invalid xlator, Nothing to do */ if (!this) return (-1); /* Sanitize the inputs */ GF_VALIDATE_OR_GOTO(this->name, filename1, out); GF_VALIDATE_OR_GOTO(this->name, filename2, out); GF_VALIDATE_OR_GOTO(this->name, identical, out); /* fopen() the volfile1 to create the graph */ fp1 = fopen(filename1, "r"); if (fp1 == NULL) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "fopen() on file: %s failed " "(%s)", filename1, strerror(errno)); goto out; } /* fopen() the volfile2 to create the graph */ fp2 = fopen(filename2, "r"); if (fp2 == NULL) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "fopen() on file: %s failed " "(%s)", filename2, strerror(errno)); goto out; } /* create the graph for filename1 */ grph1 = glusterfs_graph_construct(fp1); if (grph1 == NULL) goto out; /* create the graph for filename2 */ grph2 = glusterfs_graph_construct(fp2); if (grph2 == NULL) goto out; /* compare the graph topology */ *identical = is_graph_topology_equal(grph1, grph2); ret = 0; /* SUCCESS */ out: if (fp1) fclose(fp1); if (fp2) fclose(fp2); if (grph1) glusterfs_graph_destroy(grph1); if (grph2) glusterfs_graph_destroy(grph2); gf_msg_debug(this->name, 0, "Returning with %d", ret); return ret; } int glusterd_check_files_identical(char *filename1, char *filename2, gf_boolean_t *identical) { int ret = -1; struct stat buf1 = { 0, }; struct stat buf2 = { 0, }; uint32_t cksum1 = 0; uint32_t cksum2 = 0; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; GF_ASSERT(filename1); GF_ASSERT(filename2); GF_ASSERT(identical); this = THIS; GF_VALIDATE_OR_GOTO("glusterd", this, out); priv = this->private; GF_VALIDATE_OR_GOTO(this->name, priv, out); ret = sys_stat(filename1, &buf1); if (ret) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "stat on file: %s failed " "(%s)", filename1, strerror(errno)); goto out; } ret = sys_stat(filename2, &buf2); if (ret) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, "stat on file: %s failed " "(%s)", filename2, strerror(errno)); goto out; } if (buf1.st_size != buf2.st_size) { *identical = _gf_false; goto out; } ret = get_checksum_for_path(filename1, &cksum1, priv->op_version); if (ret) goto out; ret = get_checksum_for_path(filename2, &cksum2, priv->op_version); if (ret) goto out; if (cksum1 != cksum2) *identical = _gf_false; else *identical = _gf_true; out: gf_msg_debug(this->name, 0, "Returning with %d", ret); return ret; } int glusterd_volset_help(dict_t *dict, char **op_errstr) { int ret = -1; gf_boolean_t xml_out = _gf_false; #if (!HAVE_LIB_XML) xlator_t *this = NULL; this = THIS; #endif if (!dict) { if (!(dict = glusterd_op_get_ctx())) { ret = 0; goto out; } } if (dict_getn(dict, "help", SLEN("help"))) { xml_out = _gf_false; } else if (dict_getn(dict, "help-xml", SLEN("help-xml"))) { xml_out = _gf_true; #if (HAVE_LIB_XML) ret = 0; #else gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_MODULE_NOT_INSTALLED, "libxml not present in the system"); if (op_errstr) *op_errstr = gf_strdup( "Error: xml libraries not " "present to produce " "xml-output"); goto out; #endif } else { goto out; } ret = glusterd_get_volopt_content(dict, xml_out); if (ret && op_errstr) *op_errstr = gf_strdup("Failed to get volume options help"); out: gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } int glusterd_to_cli(rpcsvc_request_t *req, gf_cli_rsp *arg, struct iovec *payload, int payloadcount, struct iobref *iobref, xdrproc_t xdrproc, dict_t *dict) { int ret = -1; char *cmd = NULL; int op_ret = 0; char *op_errstr = NULL; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); op_ret = arg->op_ret; op_errstr = arg->op_errstr; ret = dict_get_strn(dict, "cmd-str", SLEN("cmd-str"), &cmd); if (ret) gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get command " "string"); if (cmd) { if (op_ret) gf_cmd_log("", "%s : FAILED %s %s", cmd, (op_errstr) ? ":" : " ", (op_errstr) ? op_errstr : " "); else gf_cmd_log("", "%s : SUCCESS", cmd); } glusterd_submit_reply(req, arg, payload, payloadcount, iobref, (xdrproc_t)xdrproc); if (dict) { dict_unref(dict); } return ret; } static int32_t glusterd_append_gsync_status(dict_t *dst, dict_t *src) { int ret = 0; char *stop_msg = NULL; ret = dict_get_strn(src, "gsync-status", SLEN("gsync-status"), &stop_msg); if (ret) { ret = 0; goto out; } ret = dict_set_dynstr_with_alloc(dst, "gsync-status", stop_msg); if (ret) { gf_msg("glusterd", GF_LOG_WARNING, 0, GD_MSG_DICT_SET_FAILED, "Unable to set the stop" "message in the ctx dictionary"); goto out; } ret = 0; out: gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } int32_t glusterd_append_status_dicts(dict_t *dst, dict_t *src) { char sts_val_name[PATH_MAX] = ""; int dst_count = 0; int src_count = 0; int i = 0; int ret = 0; gf_gsync_status_t *sts_val = NULL; gf_gsync_status_t *dst_sts_val = NULL; GF_ASSERT(dst); if (src == NULL) goto out; ret = dict_get_int32n(dst, "gsync-count", SLEN("gsync-count"), &dst_count); if (ret) dst_count = 0; ret = dict_get_int32n(src, "gsync-count", SLEN("gsync-count"), &src_count); if (ret || !src_count) { gf_msg_debug("glusterd", 0, "Source brick empty"); ret = 0; goto out; } for (i = 0; i < src_count; i++) { snprintf(sts_val_name, sizeof(sts_val_name), "status_value%d", i); ret = dict_get_bin(src, sts_val_name, (void **)&sts_val); if (ret) goto out; dst_sts_val = GF_MALLOC(sizeof(gf_gsync_status_t), gf_common_mt_gsync_status_t); if (!dst_sts_val) { gf_msg("glusterd", GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY, "Out Of Memory"); goto out; } memcpy(dst_sts_val, sts_val, sizeof(gf_gsync_status_t)); snprintf(sts_val_name, sizeof(sts_val_name), "status_value%d", i + dst_count); ret = dict_set_bin(dst, sts_val_name, dst_sts_val, sizeof(gf_gsync_status_t)); if (ret) { GF_FREE(dst_sts_val); goto out; } } ret = dict_set_int32n(dst, "gsync-count", SLEN("gsync-count"), dst_count + src_count); out: gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } int32_t glusterd_aggr_brick_mount_dirs(dict_t *aggr, dict_t *rsp_dict) { char key[64] = ""; int keylen; char *brick_mount_dir = NULL; int32_t brick_count = -1; int32_t ret = -1; int32_t i = -1; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(aggr); GF_ASSERT(rsp_dict); ret = dict_get_int32n(rsp_dict, "brick_count", SLEN("brick_count"), &brick_count); if (ret) { gf_msg_debug(this->name, 0, "No brick_count present"); ret = 0; goto out; } for (i = 1; i <= brick_count; i++) { brick_mount_dir = NULL; keylen = snprintf(key, sizeof(key), "brick%d.mount_dir", i); ret = dict_get_strn(rsp_dict, key, keylen, &brick_mount_dir); if (ret) { /* Coz the info will come from a different node */ gf_msg_debug(this->name, 0, "%s not present", key); continue; } ret = dict_set_dynstr_with_alloc(aggr, key, brick_mount_dir); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set %s", key); goto out; } } ret = 0; out: gf_msg_trace(this->name, 0, "Returning %d ", ret); return ret; } int32_t glusterd_gsync_use_rsp_dict(dict_t *aggr, dict_t *rsp_dict, char *op_errstr) { dict_t *ctx = NULL; int ret = 0; char *conf_path = NULL; if (aggr) { ctx = aggr; } else { ctx = glusterd_op_get_ctx(); if (!ctx) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_OPCTX_GET_FAIL, "Operation Context is not present"); GF_ASSERT(0); } } if (rsp_dict) { ret = glusterd_append_status_dicts(ctx, rsp_dict); if (ret) goto out; ret = glusterd_append_gsync_status(ctx, rsp_dict); if (ret) goto out; ret = dict_get_strn(rsp_dict, "conf_path", SLEN("conf_path"), &conf_path); if (!ret && conf_path) { ret = dict_set_dynstr_with_alloc(ctx, "conf_path", conf_path); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Unable to store conf path."); goto out; } } } if ((op_errstr) && (strcmp("", op_errstr))) { ret = dict_set_dynstr_with_alloc(ctx, "errstr", op_errstr); if (ret) goto out; } ret = 0; out: gf_msg_debug("glusterd", 0, "Returning %d ", ret); return ret; } int32_t glusterd_rb_use_rsp_dict(dict_t *aggr, dict_t *rsp_dict) { int32_t src_port = 0; int32_t dst_port = 0; int ret = 0; dict_t *ctx = NULL; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); if (aggr) { ctx = aggr; } else { ctx = glusterd_op_get_ctx(); if (!ctx) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_OPCTX_GET_FAIL, "Operation Context is not present"); GF_ASSERT(0); } } if (rsp_dict) { ret = dict_get_int32n(rsp_dict, "src-brick-port", SLEN("src-brick-port"), &src_port); if (ret == 0) { gf_msg_debug("glusterd", 0, "src-brick-port=%d found", src_port); } ret = dict_get_int32n(rsp_dict, "dst-brick-port", SLEN("dst-brick-port"), &dst_port); if (ret == 0) { gf_msg_debug("glusterd", 0, "dst-brick-port=%d found", dst_port); } ret = glusterd_aggr_brick_mount_dirs(ctx, rsp_dict); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICK_MOUNDIRS_AGGR_FAIL, "Failed to " "aggregate brick mount dirs"); goto out; } } if (src_port) { ret = dict_set_int32n(ctx, "src-brick-port", SLEN("src-brick-port"), src_port); if (ret) { gf_msg_debug("glusterd", 0, "Could not set src-brick"); goto out; } } if (dst_port) { ret = dict_set_int32n(ctx, "dst-brick-port", SLEN("dst-brick-port"), dst_port); if (ret) { gf_msg_debug("glusterd", 0, "Could not set dst-brick"); goto out; } } out: return ret; } int32_t glusterd_sync_use_rsp_dict(dict_t *aggr, dict_t *rsp_dict) { int ret = 0; GF_ASSERT(rsp_dict); if (!rsp_dict) { goto out; } ret = glusterd_import_friend_volumes(rsp_dict); out: return ret; } static int _profile_volume_add_friend_rsp(dict_t *this, char *key, data_t *value, void *data) { char new_key[264] = ""; int new_key_len; glusterd_pr_brick_rsp_conv_t *rsp_ctx = NULL; data_t *new_value = NULL; int brick_count = 0; char brick_key[256] = ""; if (strcmp(key, "count") == 0) return 0; sscanf(key, "%d%s", &brick_count, brick_key); rsp_ctx = data; new_value = data_copy(value); GF_ASSERT(new_value); new_key_len = snprintf(new_key, sizeof(new_key), "%d%s", rsp_ctx->count + brick_count, brick_key); dict_setn(rsp_ctx->dict, new_key, new_key_len, new_value); return 0; } int glusterd_profile_volume_use_rsp_dict(dict_t *aggr, dict_t *rsp_dict) { int ret = 0; glusterd_pr_brick_rsp_conv_t rsp_ctx = {0}; int32_t brick_count = 0; int32_t count = 0; dict_t *ctx_dict = NULL; xlator_t *this = NULL; GF_ASSERT(rsp_dict); this = THIS; GF_ASSERT(this); ret = dict_get_int32n(rsp_dict, "count", SLEN("count"), &brick_count); if (ret) { ret = 0; // no bricks in the rsp goto out; } if (aggr) { ctx_dict = aggr; } else { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_OPCTX_GET_FAIL, "Operation Context is not present"); ret = -1; goto out; } ret = dict_get_int32n(ctx_dict, "count", SLEN("count"), &count); rsp_ctx.count = count; rsp_ctx.dict = ctx_dict; dict_foreach(rsp_dict, _profile_volume_add_friend_rsp, &rsp_ctx); ret = dict_set_int32n(ctx_dict, "count", SLEN("count"), count + brick_count); out: return ret; } static int glusterd_volume_status_add_peer_rsp(dict_t *this, char *key, data_t *value, void *data) { glusterd_status_rsp_conv_t *rsp_ctx = NULL; data_t *new_value = NULL; char brick_key[1024] = ""; char new_key[1024] = ""; int32_t index = 0; int32_t ret = -1; int32_t len = 0; /* Skip the following keys, they are already present in the ctx_dict */ /* Also, skip all the task related pairs. They will be added to the * ctx_dict later */ if (!strcmp(key, "count") || !strcmp(key, "cmd") || !strcmp(key, "brick-index-max") || !strcmp(key, "other-count") || !strncmp(key, "task", 4)) return 0; rsp_ctx = data; new_value = data_copy(value); GF_ASSERT(new_value); sscanf(key, "brick%d.%s", &index, brick_key); if (index > rsp_ctx->brick_index_max) { len = snprintf(new_key, sizeof(new_key), "brick%d.%s", index + rsp_ctx->other_count, brick_key); } else { len = snprintf(new_key, sizeof(new_key), "%s", key); } if (len < 0 || len >= sizeof(new_key)) goto out; ret = dict_set(rsp_ctx->dict, new_key, new_value); out: if (ret) { data_unref(new_value); gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Unable to set key: %s in dict", key); } return 0; } static int glusterd_volume_status_copy_tasks_to_ctx_dict(dict_t *this, char *key, data_t *value, void *data) { int ret = 0; dict_t *ctx_dict = NULL; data_t *new_value = NULL; if (strncmp(key, "task", 4)) return 0; ctx_dict = data; GF_ASSERT(ctx_dict); new_value = data_copy(value); GF_ASSERT(new_value); ret = dict_set(ctx_dict, key, new_value); return ret; } int glusterd_volume_status_aggregate_tasks_status(dict_t *ctx_dict, dict_t *rsp_dict) { int ret = -1; xlator_t *this = NULL; int local_count = 0; int remote_count = 0; int i = 0; int j = 0; char key[128] = ""; int keylen; char *task_type = NULL; int local_status = 0; int remote_status = 0; char *local_task_id = NULL; char *remote_task_id = NULL; GF_ASSERT(ctx_dict); GF_ASSERT(rsp_dict); this = THIS; GF_ASSERT(this); ret = dict_get_int32n(rsp_dict, "tasks", SLEN("tasks"), &remote_count); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get remote task count"); goto out; } /* Local count will not be present when this is called for the first * time with the origins rsp_dict */ ret = dict_get_int32n(ctx_dict, "tasks", SLEN("tasks"), &local_count); if (ret) { ret = dict_foreach( rsp_dict, glusterd_volume_status_copy_tasks_to_ctx_dict, ctx_dict); if (ret) gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to copy tasks" "to ctx_dict."); goto out; } if (local_count != remote_count) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_TASKS_COUNT_MISMATCH, "Local tasks count (%d) and " "remote tasks count (%d) do not match. Not aggregating " "tasks status.", local_count, remote_count); ret = -1; goto out; } /* Update the tasks statuses. For every remote tasks, search for the * local task, and update the local task status based on the remote * status. */ for (i = 0; i < remote_count; i++) { keylen = snprintf(key, sizeof(key), "task%d.type", i); ret = dict_get_strn(rsp_dict, key, keylen, &task_type); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get task typpe from rsp dict"); goto out; } /* Skip replace-brick status as it is going to be the same on * all peers. rb_status is set by the replace brick commit * function on all peers based on the replace brick command. * We return the value of rb_status as the status for a * replace-brick task in a 'volume status' command. */ if (!strcmp(task_type, "Replace brick")) continue; keylen = snprintf(key, sizeof(key), "task%d.status", i); ret = dict_get_int32n(rsp_dict, key, keylen, &remote_status); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get task status from rsp dict"); goto out; } keylen = snprintf(key, sizeof(key), "task%d.id", i); ret = dict_get_strn(rsp_dict, key, keylen, &remote_task_id); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get task id from rsp dict"); goto out; } for (j = 0; j < local_count; j++) { keylen = snprintf(key, sizeof(key), "task%d.id", j); ret = dict_get_strn(ctx_dict, key, keylen, &local_task_id); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get local task-id"); goto out; } if (strncmp(remote_task_id, local_task_id, strlen(remote_task_id))) { /* Quit if a matching local task is not found */ if (j == (local_count - 1)) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_TASKS_COUNT_MISMATCH, "Could not find matching local " "task for task %s", remote_task_id); goto out; } continue; } keylen = snprintf(key, sizeof(key), "task%d.status", j); ret = dict_get_int32n(ctx_dict, key, keylen, &local_status); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get local task status"); goto out; } /* Rebalance has 5 states, * NOT_STARTED, STARTED, STOPPED, COMPLETE, FAILED * The precedence used to determine the aggregate status * is as below, * STARTED > FAILED > STOPPED > COMPLETE > NOT_STARTED */ /* TODO: Move this to a common place utilities that both * CLI and glusterd need. * Till then if the below algorithm is changed, change * it in cli_xml_output_vol_rebalance_status in * cli-xml-output.c */ ret = 0; int rank[] = {[GF_DEFRAG_STATUS_STARTED] = 1, [GF_DEFRAG_STATUS_FAILED] = 2, [GF_DEFRAG_STATUS_STOPPED] = 3, [GF_DEFRAG_STATUS_COMPLETE] = 4, [GF_DEFRAG_STATUS_NOT_STARTED] = 5}; if (rank[remote_status] <= rank[local_status]) ret = dict_set_int32n(ctx_dict, key, keylen, remote_status); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_TASK_STATUS_UPDATE_FAIL, "Failed to " "update task status"); goto out; } break; } } out: return ret; } gf_boolean_t glusterd_status_has_tasks(int cmd) { if (((cmd & GF_CLI_STATUS_MASK) == GF_CLI_STATUS_NONE) && (cmd & GF_CLI_STATUS_VOL)) return _gf_true; return _gf_false; } int glusterd_volume_status_copy_to_op_ctx_dict(dict_t *aggr, dict_t *rsp_dict) { int ret = 0; glusterd_status_rsp_conv_t rsp_ctx = {0}; int32_t cmd = GF_CLI_STATUS_NONE; int32_t node_count = 0; int32_t other_count = 0; int32_t brick_index_max = -1; int32_t hot_brick_count = -1; int32_t type = -1; int32_t rsp_node_count = 0; int32_t rsp_other_count = 0; int vol_count = -1; int i = 0; dict_t *ctx_dict = NULL; char key[64] = ""; int keylen; char *volname = NULL; glusterd_volinfo_t *volinfo = NULL; GF_ASSERT(rsp_dict); if (aggr) { ctx_dict = aggr; } else { ctx_dict = glusterd_op_get_ctx(GD_OP_STATUS_VOLUME); } ret = dict_get_int32n(ctx_dict, "cmd", SLEN("cmd"), &cmd); if (ret) goto out; if (cmd & GF_CLI_STATUS_ALL && is_origin_glusterd(ctx_dict)) { ret = dict_get_int32n(rsp_dict, "vol_count", SLEN("vol_count"), &vol_count); if (ret == 0) { ret = dict_set_int32n(ctx_dict, "vol_count", SLEN("vol_count"), vol_count); if (ret) goto out; for (i = 0; i < vol_count; i++) { keylen = snprintf(key, sizeof(key), "vol%d", i); ret = dict_get_strn(rsp_dict, key, keylen, &volname); if (ret) goto out; ret = dict_set_strn(ctx_dict, key, keylen, volname); if (ret) goto out; } } else { /* Ignore the error as still the aggregation applies in * case its a task sub command */ ret = 0; } } if ((cmd & GF_CLI_STATUS_TASKS) != 0) goto aggregate_tasks; ret = dict_get_int32n(rsp_dict, "count", SLEN("count"), &rsp_node_count); if (ret) { ret = 0; // no bricks in the rsp goto out; } ret = dict_get_int32n(rsp_dict, "other-count", SLEN("other-count"), &rsp_other_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get other count from rsp_dict"); goto out; } ret = dict_get_int32n(ctx_dict, "count", SLEN("count"), &node_count); ret = dict_get_int32n(ctx_dict, "other-count", SLEN("other-count"), &other_count); if (!dict_getn(ctx_dict, "brick-index-max", SLEN("brick-index-max"))) { ret = dict_get_int32n(rsp_dict, "brick-index-max", SLEN("brick-index-max"), &brick_index_max); if (ret) goto out; ret = dict_set_int32n(ctx_dict, "brick-index-max", SLEN("brick-index-max"), brick_index_max); if (ret) goto out; } else { ret = dict_get_int32n(ctx_dict, "brick-index-max", SLEN("brick-index-max"), &brick_index_max); if (ret) goto out; } rsp_ctx.count = node_count; rsp_ctx.brick_index_max = brick_index_max; rsp_ctx.other_count = other_count; rsp_ctx.dict = ctx_dict; dict_foreach(rsp_dict, glusterd_volume_status_add_peer_rsp, &rsp_ctx); ret = dict_set_int32n(ctx_dict, "count", SLEN("count"), node_count + rsp_node_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to update node count"); goto out; } ret = dict_set_int32n(ctx_dict, "other-count", SLEN("other-count"), (other_count + rsp_other_count)); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to update other-count"); goto out; } ret = dict_get_strn(ctx_dict, "volname", SLEN("volname"), &volname); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to get volname"); goto out; } ret = glusterd_volinfo_find(volname, &volinfo); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_GET_FAIL, "Failed to get volinfo for volume: %s", volname); goto out; } ret = dict_set_int32n(ctx_dict, "hot_brick_count", SLEN("hot_brick_count"), hot_brick_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, "Failed to update hot_brick_count"); goto out; } ret = dict_set_int32n(ctx_dict, "type", SLEN("type"), type); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, "Failed to update type"); goto out; } aggregate_tasks: /* Tasks are only present for a normal status command for a volume or * for an explicit tasks status command for a volume */ if (!(cmd & GF_CLI_STATUS_ALL) && (((cmd & GF_CLI_STATUS_TASKS) != 0) || glusterd_status_has_tasks(cmd))) ret = glusterd_volume_status_aggregate_tasks_status(ctx_dict, rsp_dict); out: return ret; } int glusterd_max_opversion_use_rsp_dict(dict_t *dst, dict_t *src) { int ret = -1; int src_max_opversion = -1; int max_opversion = -1; GF_VALIDATE_OR_GOTO(THIS->name, dst, out); GF_VALIDATE_OR_GOTO(THIS->name, src, out); ret = dict_get_int32n(dst, "max-opversion", SLEN("max-opversion"), &max_opversion); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Maximum supported op-version not set in destination " "dictionary"); ret = dict_get_int32n(src, "max-opversion", SLEN("max-opversion"), &src_max_opversion); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get maximum supported op-version from source"); goto out; } if (max_opversion == -1 || src_max_opversion < max_opversion) max_opversion = src_max_opversion; ret = dict_set_int32n(dst, "max-opversion", SLEN("max-opversion"), max_opversion); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set max op-version"); goto out; } out: return ret; } int glusterd_volume_bitrot_scrub_use_rsp_dict(dict_t *aggr, dict_t *rsp_dict) { int ret = -1; int j = 0; uint64_t value = 0; char key[64] = ""; int keylen; char *last_scrub_time = NULL; char *scrub_time = NULL; char *volname = NULL; char *node_uuid = NULL; char *node_uuid_str = NULL; char *bitd_log = NULL; char *scrub_log = NULL; char *scrub_freq = NULL; char *scrub_state = NULL; char *scrub_impact = NULL; char *bad_gfid_str = NULL; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; glusterd_volinfo_t *volinfo = NULL; int src_count = 0; int dst_count = 0; int8_t scrub_running = 0; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); ret = dict_get_strn(aggr, "volname", SLEN("volname"), &volname); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to get volume name"); goto out; } ret = glusterd_volinfo_find(volname, &volinfo); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_FOUND, "Unable to find volinfo for volume: %s", volname); goto out; } ret = dict_get_int32n(aggr, "count", SLEN("count"), &dst_count); ret = dict_get_int32n(rsp_dict, "count", SLEN("count"), &src_count); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "failed to get count value"); ret = 0; goto out; } ret = dict_set_int32n(aggr, "count", SLEN("count"), src_count + dst_count); if (ret) gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set count in dictonary"); keylen = snprintf(key, sizeof(key), "node-uuid-%d", src_count); ret = dict_get_strn(rsp_dict, key, keylen, &node_uuid); if (!ret) { node_uuid_str = gf_strdup(node_uuid); keylen = snprintf(key, sizeof(key), "node-uuid-%d", src_count + dst_count); ret = dict_set_dynstrn(aggr, key, keylen, node_uuid_str); if (ret) { gf_msg_debug(this->name, 0, "failed to set node-uuid"); } } snprintf(key, sizeof(key), "scrub-running-%d", src_count); ret = dict_get_int8(rsp_dict, key, &scrub_running); if (!ret) { snprintf(key, sizeof(key), "scrub-running-%d", src_count + dst_count); ret = dict_set_int8(aggr, key, scrub_running); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub-running value"); } } snprintf(key, sizeof(key), "scrubbed-files-%d", src_count); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "scrubbed-files-%d", src_count + dst_count); ret = dict_set_uint64(aggr, key, value); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrubbed-file value"); } } snprintf(key, sizeof(key), "unsigned-files-%d", src_count); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "unsigned-files-%d", src_count + dst_count); ret = dict_set_uint64(aggr, key, value); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "unsigned-file value"); } } keylen = snprintf(key, sizeof(key), "last-scrub-time-%d", src_count); ret = dict_get_strn(rsp_dict, key, keylen, &last_scrub_time); if (!ret) { scrub_time = gf_strdup(last_scrub_time); keylen = snprintf(key, sizeof(key), "last-scrub-time-%d", src_count + dst_count); ret = dict_set_dynstrn(aggr, key, keylen, scrub_time); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "last scrub time value"); } } snprintf(key, sizeof(key), "scrub-duration-%d", src_count); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "scrub-duration-%d", src_count + dst_count); ret = dict_set_uint64(aggr, key, value); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrubbed-duration value"); } } snprintf(key, sizeof(key), "error-count-%d", src_count); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "error-count-%d", src_count + dst_count); ret = dict_set_uint64(aggr, key, value); if (ret) { gf_msg_debug(this->name, 0, "Failed to set error " "count value"); } /* Storing all the bad files in the dictionary */ for (j = 0; j < value; j++) { keylen = snprintf(key, sizeof(key), "quarantine-%d-%d", j, src_count); ret = dict_get_strn(rsp_dict, key, keylen, &bad_gfid_str); if (!ret) { snprintf(key, sizeof(key), "quarantine-%d-%d", j, src_count + dst_count); ret = dict_set_dynstr_with_alloc(aggr, key, bad_gfid_str); if (ret) { gf_msg_debug(this->name, 0, "Failed to" "bad file gfid "); } } } } ret = dict_get_strn(rsp_dict, "bitrot_log_file", SLEN("bitrot_log_file"), &bitd_log); if (!ret) { ret = dict_set_dynstr_with_alloc(aggr, "bitrot_log_file", bitd_log); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "bitrot log file location"); goto out; } } ret = dict_get_strn(rsp_dict, "scrub_log_file", SLEN("scrub_log_file"), &scrub_log); if (!ret) { ret = dict_set_dynstr_with_alloc(aggr, "scrub_log_file", scrub_log); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrubber log file location"); goto out; } } ret = dict_get_strn(rsp_dict, "features.scrub-freq", SLEN("features.scrub-freq"), &scrub_freq); if (!ret) { ret = dict_set_dynstr_with_alloc(aggr, "features.scrub-freq", scrub_freq); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub-frequency value to dictionary"); goto out; } } ret = dict_get_strn(rsp_dict, "features.scrub-throttle", SLEN("features.scrub-throttle"), &scrub_impact); if (!ret) { ret = dict_set_dynstr_with_alloc(aggr, "features.scrub-throttle", scrub_impact); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub-throttle value to dictionary"); goto out; } } ret = dict_get_strn(rsp_dict, "features.scrub", SLEN("features.scrub"), &scrub_state); if (!ret) { ret = dict_set_dynstr_with_alloc(aggr, "features.scrub", scrub_state); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub state value to dictionary"); goto out; } } ret = 0; out: return ret; } int glusterd_bitrot_volume_node_rsp(dict_t *aggr, dict_t *rsp_dict) { int ret = -1; uint64_t value = 0; char key[64] = ""; int keylen; char buf[1024] = ""; int32_t i = 0; int32_t j = 0; char *last_scrub_time = NULL; char *scrub_time = NULL; char *volname = NULL; char *scrub_freq = NULL; char *scrub_state = NULL; char *scrub_impact = NULL; char *bad_gfid_str = NULL; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; glusterd_volinfo_t *volinfo = NULL; int8_t scrub_running = 0; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); ret = dict_set_strn(aggr, "bitrot_log_file", SLEN("bitrot_log_file"), priv->bitd_svc.proc.logfile); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set bitrot log file location"); goto out; } ret = dict_set_strn(aggr, "scrub_log_file", SLEN("scrub_log_file"), priv->scrub_svc.proc.logfile); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set scrubber log file location"); goto out; } ret = dict_get_strn(aggr, "volname", SLEN("volname"), &volname); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to get volume name"); goto out; } ret = glusterd_volinfo_find(volname, &volinfo); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_FOUND, "Unable to find volinfo for volume: %s", volname); goto out; } ret = dict_get_int32n(aggr, "count", SLEN("count"), &i); i++; ret = dict_set_int32n(aggr, "count", SLEN("count"), i); if (ret) gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set count"); snprintf(buf, sizeof(buf), "%s", uuid_utoa(MY_UUID)); snprintf(key, sizeof(key), "node-uuid-%d", i); ret = dict_set_dynstr_with_alloc(aggr, key, buf); if (ret) gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to set node-uuid"); ret = dict_get_strn(volinfo->dict, "features.scrub-freq", SLEN("features.scrub-freq"), &scrub_freq); if (!ret) { ret = dict_set_strn(aggr, "features.scrub-freq", SLEN("features.scrub-freq"), scrub_freq); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub-frequency value to dictionary"); } } else { /* By Default scrub-frequency is bi-weekly. So when user * enable bitrot then scrub-frequency value will not be * present in volinfo->dict. Setting by-default value of * scrub-frequency explicitly for presenting it to scrub * status. */ ret = dict_set_dynstr_with_alloc(aggr, "features.scrub-freq", "biweekly"); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub-frequency value to dictionary"); } } ret = dict_get_strn(volinfo->dict, "features.scrub-throttle", SLEN("features.scrub-throttle"), &scrub_impact); if (!ret) { ret = dict_set_strn(aggr, "features.scrub-throttle", SLEN("features.scrub-throttle"), scrub_impact); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub-throttle value to dictionary"); } } else { /* By Default scrub-throttle is lazy. So when user * enable bitrot then scrub-throttle value will not be * present in volinfo->dict. Setting by-default value of * scrub-throttle explicitly for presenting it to * scrub status. */ ret = dict_set_dynstr_with_alloc(aggr, "features.scrub-throttle", "lazy"); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub-throttle value to dictionary"); } } ret = dict_get_strn(volinfo->dict, "features.scrub", SLEN("features.scrub"), &scrub_state); if (!ret) { ret = dict_set_strn(aggr, "features.scrub", SLEN("features.scrub"), scrub_state); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub state value to dictionary"); } } ret = dict_get_int8(rsp_dict, "scrub-running", &scrub_running); if (!ret) { snprintf(key, sizeof(key), "scrub-running-%d", i); ret = dict_set_uint64(aggr, key, scrub_running); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrub-running value"); } } ret = dict_get_uint64(rsp_dict, "scrubbed-files", &value); if (!ret) { snprintf(key, sizeof(key), "scrubbed-files-%d", i); ret = dict_set_uint64(aggr, key, value); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrubbed-file value"); } } ret = dict_get_uint64(rsp_dict, "unsigned-files", &value); if (!ret) { snprintf(key, sizeof(key), "unsigned-files-%d", i); ret = dict_set_uint64(aggr, key, value); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "unsigned-file value"); } } ret = dict_get_strn(rsp_dict, "last-scrub-time", SLEN("last-scrub-time"), &last_scrub_time); if (!ret) { keylen = snprintf(key, sizeof(key), "last-scrub-time-%d", i); scrub_time = gf_strdup(last_scrub_time); ret = dict_set_dynstrn(aggr, key, keylen, scrub_time); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "last scrub time value"); } } ret = dict_get_uint64(rsp_dict, "scrub-duration", &value); if (!ret) { snprintf(key, sizeof(key), "scrub-duration-%d", i); ret = dict_set_uint64(aggr, key, value); if (ret) { gf_msg_debug(this->name, 0, "Failed to set " "scrubbed-duration value"); } } ret = dict_get_uint64(rsp_dict, "total-count", &value); if (!ret) { snprintf(key, sizeof(key), "error-count-%d", i); ret = dict_set_uint64(aggr, key, value); if (ret) { gf_msg_debug(this->name, 0, "Failed to set error " "count value"); } /* Storing all the bad files in the dictionary */ for (j = 0; j < value; j++) { keylen = snprintf(key, sizeof(key), "quarantine-%d", j); ret = dict_get_strn(rsp_dict, key, keylen, &bad_gfid_str); if (!ret) { snprintf(key, sizeof(key), "quarantine-%d-%d", j, i); ret = dict_set_dynstr_with_alloc(aggr, key, bad_gfid_str); if (ret) { gf_msg_debug(this->name, 0, "Failed to" "bad file gfid "); } } } } ret = 0; out: return ret; } int glusterd_volume_rebalance_use_rsp_dict(dict_t *aggr, dict_t *rsp_dict) { char key[64] = ""; int keylen; char *node_uuid = NULL; char *node_uuid_str = NULL; char *volname = NULL; dict_t *ctx_dict = NULL; double elapsed_time = 0; glusterd_conf_t *conf = NULL; glusterd_peerinfo_t *peerinfo = NULL; glusterd_volinfo_t *volinfo = NULL; int ret = 0; int32_t index = 0; int32_t count = 0; int32_t current_index = 1; int32_t value32 = 0; uint64_t value = 0; char *peer_uuid_str = NULL; xlator_t *this = NULL; GF_ASSERT(rsp_dict); this = THIS; GF_ASSERT(this); conf = this->private; if (conf->op_version < GD_OP_VERSION_6_0) current_index = 2; if (aggr) { ctx_dict = aggr; } else { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_OPCTX_GET_FAIL, "Operation Context is not present"); goto out; } ret = dict_get_strn(ctx_dict, "volname", SLEN("volname"), &volname); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to get volume name"); goto out; } ret = glusterd_volinfo_find(volname, &volinfo); if (ret) goto out; ret = dict_get_int32n(rsp_dict, "count", SLEN("count"), &index); if (ret) gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "failed to get index from rsp dict"); keylen = snprintf(key, sizeof(key), "node-uuid-%d", index); ret = dict_get_strn(rsp_dict, key, keylen, &node_uuid); if (!ret) { node_uuid_str = gf_strdup(node_uuid); /* Finding the index of the node-uuid in the peer-list */ RCU_READ_LOCK; cds_list_for_each_entry_rcu(peerinfo, &conf->peers, uuid_list) { peer_uuid_str = gd_peer_uuid_str(peerinfo); if (strcmp(peer_uuid_str, node_uuid_str) == 0) break; current_index++; } RCU_READ_UNLOCK; /* Setting the largest index value as the total count. */ ret = dict_get_int32n(ctx_dict, "count", SLEN("count"), &count); if (count < current_index) { ret = dict_set_int32n(ctx_dict, "count", SLEN("count"), current_index); if (ret) gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set count"); } /* Setting the same index for the node, as is in the peerlist.*/ keylen = snprintf(key, sizeof(key), "node-uuid-%d", current_index); ret = dict_set_dynstrn(ctx_dict, key, keylen, node_uuid_str); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set node-uuid"); } } snprintf(key, sizeof(key), "files-%d", index); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "files-%d", current_index); ret = dict_set_uint64(ctx_dict, key, value); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set the file count"); } } snprintf(key, sizeof(key), "size-%d", index); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "size-%d", current_index); ret = dict_set_uint64(ctx_dict, key, value); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set the size of migration"); } } snprintf(key, sizeof(key), "lookups-%d", index); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "lookups-%d", current_index); ret = dict_set_uint64(ctx_dict, key, value); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set looked up file count"); } } keylen = snprintf(key, sizeof(key), "status-%d", index); ret = dict_get_int32n(rsp_dict, key, keylen, &value32); if (!ret) { keylen = snprintf(key, sizeof(key), "status-%d", current_index); ret = dict_set_int32n(ctx_dict, key, keylen, value32); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set status"); } } snprintf(key, sizeof(key), "failures-%d", index); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "failures-%d", current_index); ret = dict_set_uint64(ctx_dict, key, value); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set failure count"); } } snprintf(key, sizeof(key), "skipped-%d", index); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "skipped-%d", current_index); ret = dict_set_uint64(ctx_dict, key, value); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set skipped count"); } } snprintf(key, sizeof(key), "run-time-%d", index); ret = dict_get_double(rsp_dict, key, &elapsed_time); if (!ret) { snprintf(key, sizeof(key), "run-time-%d", current_index); ret = dict_set_double(ctx_dict, key, elapsed_time); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set run-time"); } } snprintf(key, sizeof(key), "time-left-%d", index); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "time-left-%d", current_index); ret = dict_set_uint64(ctx_dict, key, value); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set time-left"); } } snprintf(key, sizeof(key), "demoted-%d", index); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "demoted-%d", current_index); ret = dict_set_uint64(ctx_dict, key, value); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set demoted count"); } } snprintf(key, sizeof(key), "promoted-%d", index); ret = dict_get_uint64(rsp_dict, key, &value); if (!ret) { snprintf(key, sizeof(key), "promoted-%d", current_index); ret = dict_set_uint64(ctx_dict, key, value); if (ret) { gf_msg_debug(THIS->name, 0, "failed to set promoted count"); } } ret = 0; out: return ret; } int glusterd_sys_exec_output_rsp_dict(dict_t *dst, dict_t *src) { char output_name[64] = ""; char *output = NULL; int ret = 0; int i = 0; int keylen; int src_output_count = 0; int dst_output_count = 0; if (!dst || !src) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_EMPTY, "Source or Destination " "dict is empty."); goto out; } ret = dict_get_int32n(dst, "output_count", SLEN("output_count"), &dst_output_count); ret = dict_get_int32n(src, "output_count", SLEN("output_count"), &src_output_count); if (ret) { gf_msg_debug("glusterd", 0, "No output from source"); ret = 0; goto out; } for (i = 1; i <= src_output_count; i++) { keylen = snprintf(output_name, sizeof(output_name), "output_%d", i); if (keylen <= 0 || keylen >= sizeof(output_name)) { ret = -1; goto out; } ret = dict_get_strn(src, output_name, keylen, &output); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to fetch %s", output_name); goto out; } keylen = snprintf(output_name, sizeof(output_name), "output_%d", i + dst_output_count); if (keylen <= 0 || keylen >= sizeof(output_name)) { ret = -1; goto out; } ret = dict_set_dynstrn(dst, output_name, keylen, gf_strdup(output)); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Unable to set %s", output_name); goto out; } } ret = dict_set_int32n(dst, "output_count", SLEN("output_count"), dst_output_count + src_output_count); out: gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } int glusterd_use_rsp_dict(dict_t *aggr, dict_t *rsp_dict) { int ret = 0; GF_ASSERT(aggr); GF_ASSERT(rsp_dict); if (!aggr) goto out; dict_copy(rsp_dict, aggr); out: return ret; } int glusterd_volume_heal_use_rsp_dict(dict_t *aggr, dict_t *rsp_dict) { int ret = 0; dict_t *ctx_dict = NULL; uuid_t *txn_id = NULL; glusterd_op_info_t txn_op_info = { {0}, }; glusterd_op_t op = GD_OP_NONE; GF_ASSERT(rsp_dict); ret = dict_get_bin(aggr, "transaction_id", (void **)&txn_id); if (ret) goto out; gf_msg_debug(THIS->name, 0, "transaction ID = %s", uuid_utoa(*txn_id)); ret = glusterd_get_txn_opinfo(txn_id, &txn_op_info); if (ret) { gf_msg_callingfn(THIS->name, GF_LOG_ERROR, 0, GD_MSG_TRANS_OPINFO_GET_FAIL, "Unable to get transaction opinfo " "for transaction ID : %s", uuid_utoa(*txn_id)); goto out; } op = txn_op_info.op; GF_ASSERT(GD_OP_HEAL_VOLUME == op); if (aggr) { ctx_dict = aggr; } else { ctx_dict = txn_op_info.op_ctx; } if (!ctx_dict) goto out; dict_copy(rsp_dict, ctx_dict); out: return ret; } int _profile_volume_add_brick_rsp(dict_t *this, char *key, data_t *value, void *data) { char new_key[256] = ""; int keylen; glusterd_pr_brick_rsp_conv_t *rsp_ctx = NULL; data_t *new_value = NULL; rsp_ctx = data; new_value = data_copy(value); GF_ASSERT(new_value); keylen = snprintf(new_key, sizeof(new_key), "%d-%s", rsp_ctx->count, key); dict_setn(rsp_ctx->dict, new_key, keylen, new_value); return 0; } int glusterd_volume_quota_copy_to_op_ctx_dict(dict_t *dict, dict_t *rsp_dict) { int ret = -1; int i = 0; int count = 0; int rsp_dict_count = 0; char *uuid_str = NULL; char *uuid_str_dup = NULL; char key[64] = ""; int keylen; xlator_t *this = NULL; int type = GF_QUOTA_OPTION_TYPE_NONE; this = THIS; GF_ASSERT(this); ret = dict_get_int32n(dict, "type", SLEN("type"), &type); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get quota opcode"); goto out; } if ((type != GF_QUOTA_OPTION_TYPE_LIMIT_USAGE) && (type != GF_QUOTA_OPTION_TYPE_LIMIT_OBJECTS) && (type != GF_QUOTA_OPTION_TYPE_REMOVE) && (type != GF_QUOTA_OPTION_TYPE_REMOVE_OBJECTS)) { dict_copy(rsp_dict, dict); ret = 0; goto out; } ret = dict_get_int32n(rsp_dict, "count", SLEN("count"), &rsp_dict_count); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get the count of " "gfids from the rsp dict"); goto out; } ret = dict_get_int32n(dict, "count", SLEN("count"), &count); if (ret) /* The key "count" is absent in op_ctx when this function is * called after self-staging on the originator. This must not * be treated as error. */ gf_msg_debug(this->name, 0, "Failed to get count of gfids" " from req dict. This could be because count is not yet" " copied from rsp_dict into op_ctx"); for (i = 0; i < rsp_dict_count; i++) { keylen = snprintf(key, sizeof(key), "gfid%d", i); ret = dict_get_strn(rsp_dict, key, keylen, &uuid_str); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get gfid " "from rsp dict"); goto out; } uuid_str_dup = gf_strdup(uuid_str); if (!uuid_str_dup) { ret = -1; goto out; } keylen = snprintf(key, sizeof(key), "gfid%d", i + count); ret = dict_set_dynstrn(dict, key, keylen, uuid_str_dup); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set gfid " "from rsp dict into req dict"); GF_FREE(uuid_str_dup); goto out; } } ret = dict_set_int32n(dict, "count", SLEN("count"), rsp_dict_count + count); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set aggregated " "count in req dict"); goto out; } out: return ret; } int glusterd_profile_volume_brick_rsp(void *pending_entry, dict_t *rsp_dict, dict_t *op_ctx, char **op_errstr, gd_node_type type) { int ret = 0; glusterd_pr_brick_rsp_conv_t rsp_ctx = {0}; int32_t count = 0; char brick[PATH_MAX + 1024] = ""; char key[64] = ""; int keylen; char *full_brick = NULL; glusterd_brickinfo_t *brickinfo = NULL; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; GF_ASSERT(rsp_dict); GF_ASSERT(op_ctx); GF_ASSERT(op_errstr); GF_ASSERT(pending_entry); this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); ret = dict_get_int32n(op_ctx, "count", SLEN("count"), &count); if (ret) { count = 1; } else { count++; } if (type == GD_NODE_BRICK) { brickinfo = pending_entry; snprintf(brick, sizeof(brick), "%s:%s", brickinfo->hostname, brickinfo->path); } else if (type == GD_NODE_NFS) { snprintf(brick, sizeof(brick), "%s", uuid_utoa(MY_UUID)); } full_brick = gf_strdup(brick); GF_ASSERT(full_brick); keylen = snprintf(key, sizeof(key), "%d-brick", count); ret = dict_set_dynstrn(op_ctx, key, keylen, full_brick); rsp_ctx.count = count; rsp_ctx.dict = op_ctx; dict_foreach(rsp_dict, _profile_volume_add_brick_rsp, &rsp_ctx); ret = dict_set_int32n(op_ctx, "count", SLEN("count"), count); return ret; } // input-key: :-* // output-key: -* int _heal_volume_add_shd_rsp(dict_t *this, char *key, data_t *value, void *data) { char new_key[256] = ""; char int_str[16] = ""; data_t *new_value = NULL; char *rxl_end = NULL; int rxl_end_len; char *rxl_child_end = NULL; glusterd_volinfo_t *volinfo = NULL; int rxl_id = 0; int rxl_child_id = 0; int brick_id = 0; int int_len = 0; int ret = 0; glusterd_heal_rsp_conv_t *rsp_ctx = NULL; glusterd_brickinfo_t *brickinfo = NULL; rsp_ctx = data; rxl_end = strchr(key, '-'); if (!rxl_end) goto out; rxl_child_end = strchr(rxl_end + 1, '-'); if (!rxl_child_end) goto out; rxl_end_len = strlen(rxl_end); int_len = strlen(key) - rxl_end_len; (void)memcpy(int_str, key, int_len); int_str[int_len] = '\0'; ret = gf_string2int(int_str, &rxl_id); if (ret) goto out; int_len = rxl_end_len - strlen(rxl_child_end) - 1; (void)memcpy(int_str, rxl_end + 1, int_len); int_str[int_len] = '\0'; ret = gf_string2int(int_str, &rxl_child_id); if (ret) goto out; volinfo = rsp_ctx->volinfo; brick_id = rxl_id * volinfo->replica_count + rxl_child_id; if (!strcmp(rxl_child_end, "-status")) { brickinfo = glusterd_get_brickinfo_by_position(volinfo, brick_id); if (!brickinfo) goto out; if (!glusterd_is_local_brick(rsp_ctx->this, volinfo, brickinfo)) goto out; } new_value = data_copy(value); int_len = snprintf(new_key, sizeof(new_key), "%d%s", brick_id, rxl_child_end); dict_setn(rsp_ctx->dict, new_key, int_len, new_value); out: return 0; } int _heal_volume_add_shd_rsp_of_statistics(dict_t *this, char *key, data_t *value, void *data) { char new_key[256] = ""; char int_str[16] = ""; char key_begin_string[128] = ""; data_t *new_value = NULL; char *rxl_end = NULL; int rxl_end_len; char *rxl_child_end = NULL; glusterd_volinfo_t *volinfo = NULL; char *key_begin_str = NULL; int key_begin_strlen; int rxl_id = 0; int rxl_child_id = 0; int brick_id = 0; int int_len = 0; int ret = 0; glusterd_heal_rsp_conv_t *rsp_ctx = NULL; glusterd_brickinfo_t *brickinfo = NULL; rsp_ctx = data; key_begin_str = strchr(key, '-'); if (!key_begin_str) goto out; rxl_end = strchr(key_begin_str + 1, '-'); if (!rxl_end) goto out; rxl_child_end = strchr(rxl_end + 1, '-'); if (!rxl_child_end) goto out; key_begin_strlen = strlen(key_begin_str); int_len = strlen(key) - key_begin_strlen; (void)memcpy(key_begin_string, key, int_len); key_begin_string[int_len] = '\0'; rxl_end_len = strlen(rxl_end); int_len = key_begin_strlen - rxl_end_len - 1; (void)memcpy(int_str, key_begin_str + 1, int_len); int_str[int_len] = '\0'; ret = gf_string2int(int_str, &rxl_id); if (ret) goto out; int_len = rxl_end_len - strlen(rxl_child_end) - 1; (void)memcpy(int_str, rxl_end + 1, int_len); int_str[int_len] = '\0'; ret = gf_string2int(int_str, &rxl_child_id); if (ret) goto out; volinfo = rsp_ctx->volinfo; brick_id = rxl_id * volinfo->replica_count + rxl_child_id; brickinfo = glusterd_get_brickinfo_by_position(volinfo, brick_id); if (!brickinfo) goto out; if (!glusterd_is_local_brick(rsp_ctx->this, volinfo, brickinfo)) goto out; new_value = data_copy(value); int_len = snprintf(new_key, sizeof(new_key), "%s-%d%s", key_begin_string, brick_id, rxl_child_end); dict_setn(rsp_ctx->dict, new_key, int_len, new_value); out: return 0; } int glusterd_heal_volume_brick_rsp(dict_t *req_dict, dict_t *rsp_dict, dict_t *op_ctx, char **op_errstr) { int ret = 0; glusterd_heal_rsp_conv_t rsp_ctx = {0}; char *volname = NULL; glusterd_volinfo_t *volinfo = NULL; int heal_op = -1; GF_ASSERT(rsp_dict); GF_ASSERT(op_ctx); GF_ASSERT(op_errstr); ret = dict_get_strn(req_dict, "volname", SLEN("volname"), &volname); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to get volume name"); goto out; } ret = dict_get_int32n(req_dict, "heal-op", SLEN("heal-op"), &heal_op); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to get heal_op"); goto out; } ret = glusterd_volinfo_find(volname, &volinfo); if (ret) goto out; rsp_ctx.dict = op_ctx; rsp_ctx.volinfo = volinfo; rsp_ctx.this = THIS; if (heal_op == GF_SHD_OP_STATISTICS) dict_foreach(rsp_dict, _heal_volume_add_shd_rsp_of_statistics, &rsp_ctx); else dict_foreach(rsp_dict, _heal_volume_add_shd_rsp, &rsp_ctx); out: return ret; } int _status_volume_add_brick_rsp(dict_t *this, char *key, data_t *value, void *data) { char new_key[256] = ""; int keylen; data_t *new_value = 0; glusterd_pr_brick_rsp_conv_t *rsp_ctx = NULL; rsp_ctx = data; new_value = data_copy(value); keylen = snprintf(new_key, sizeof(new_key), "brick%d.%s", rsp_ctx->count, key); dict_setn(rsp_ctx->dict, new_key, keylen, new_value); return 0; } int glusterd_status_volume_brick_rsp(dict_t *rsp_dict, dict_t *op_ctx, char **op_errstr) { int ret = 0; glusterd_pr_brick_rsp_conv_t rsp_ctx = {0}; int32_t count = 0; int index = 0; GF_ASSERT(rsp_dict); GF_ASSERT(op_ctx); GF_ASSERT(op_errstr); ret = dict_get_int32n(op_ctx, "count", SLEN("count"), &count); if (ret) { count = 0; } else { count++; } ret = dict_get_int32n(rsp_dict, "index", SLEN("index"), &index); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get node index"); goto out; } dict_deln(rsp_dict, "index", SLEN("index")); rsp_ctx.count = index; rsp_ctx.dict = op_ctx; dict_foreach(rsp_dict, _status_volume_add_brick_rsp, &rsp_ctx); ret = dict_set_int32n(op_ctx, "count", SLEN("count"), count); out: return ret; } int glusterd_status_volume_client_list(dict_t *rsp_dict, dict_t *op_ctx, char **op_errstr) { int ret = 0; char *process = 0; int32_t count = 0; int32_t fuse_count = 0; int32_t gfapi_count = 0; int32_t rebalance_count = 0; int32_t glustershd_count = 0; int32_t quotad_count = 0; int32_t snapd_count = 0; int32_t client_count = 0; int i = 0; char key[64] = ""; GF_ASSERT(rsp_dict); GF_ASSERT(op_ctx); GF_ASSERT(op_errstr); ret = dict_get_int32n(rsp_dict, "clientcount", SLEN("clientcount"), &client_count); if (ret) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get node index"); } ret = dict_set_int32n(op_ctx, "client-count", SLEN("client-count"), client_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get node index"); goto out; } for (i = 0; i < client_count; i++) { count = 0; ret = snprintf(key, sizeof(key), "client%d.name", i); ret = dict_get_strn(rsp_dict, key, ret, &process); if (ret) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get client name"); goto out; } ret = dict_add_dynstr_with_alloc(op_ctx, key, process); if (ret) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_SET_FAILED, "Couldn't set client name"); } if (!strncmp(process, "fuse", 4)) { ret = dict_get_int32n(op_ctx, "fuse-count", SLEN("fuse-count"), &count); if (ret) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get fuse-count"); } fuse_count++; continue; } else if (!strncmp(process, "gfapi", 5)) { ret = dict_get_int32n(op_ctx, "gfapi-count", SLEN("gfapi-count"), &count); if (ret) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get gfapi-count"); } gfapi_count++; continue; } else if (!strcmp(process, "rebalance")) { ret = dict_get_int32n(op_ctx, "rebalance-count", SLEN("rebalance-count"), &count); if (ret) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get rebalance-count"); } rebalance_count++; continue; } else if (!strcmp(process, "glustershd")) { ret = dict_get_int32n(op_ctx, "glustershd-count", SLEN("glustershd-count"), &count); if (ret) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get glustershd-count"); } glustershd_count++; continue; } else if (!strcmp(process, "quotad")) { ret = dict_get_int32n(op_ctx, "quotad-count", SLEN("quotad-count"), &count); if (ret) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get quotad-count"); } quotad_count++; continue; } else if (!strcmp(process, "snapd")) { ret = dict_get_int32n(op_ctx, "snapd-count", SLEN("snapd-count"), &count); if (ret) { gf_msg(THIS->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, "Couldn't get snapd-count"); } snapd_count++; } } if (fuse_count) { ret = dict_set_int32n(op_ctx, "fuse-count", SLEN("fuse-count"), fuse_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Couldn't set fuse-count"); goto out; } } if (gfapi_count) { ret = dict_set_int32n(op_ctx, "gfapi-count", SLEN("gfapi-count"), gfapi_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Couldn't set gfapi-count"); goto out; } } if (rebalance_count) { ret = dict_set_int32n(op_ctx, "rebalance-count", SLEN("rebalance-count"), rebalance_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Couldn't set rebalance-count"); goto out; } } if (glustershd_count) { ret = dict_set_int32n(op_ctx, "glustershd-count", SLEN("glustershd-count"), glustershd_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Couldn't set glustershd-count"); goto out; } } if (quotad_count) { ret = dict_set_int32n(op_ctx, "quotad-count", SLEN("quotad-count"), quotad_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Couldn't set quotad-count"); goto out; } } if (snapd_count) { ret = dict_set_int32n(op_ctx, "snapd-count", SLEN("snapd-count"), snapd_count); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Couldn't set snapd-count"); goto out; } } out: return ret; } int glusterd_rebalance_rsp(dict_t *op_ctx, glusterd_rebalance_t *index, int32_t i) { int ret = 0; char key[64] = ""; int keylen; snprintf(key, sizeof(key), "files-%d", i); ret = dict_set_uint64(op_ctx, key, index->rebalance_files); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to set file count"); snprintf(key, sizeof(key), "size-%d", i); ret = dict_set_uint64(op_ctx, key, index->rebalance_data); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to set size of xfer"); snprintf(key, sizeof(key), "lookups-%d", i); ret = dict_set_uint64(op_ctx, key, index->lookedup_files); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to set lookedup file count"); keylen = snprintf(key, sizeof(key), "status-%d", i); ret = dict_set_int32n(op_ctx, key, keylen, index->defrag_status); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to set status"); snprintf(key, sizeof(key), "failures-%d", i); ret = dict_set_uint64(op_ctx, key, index->rebalance_failures); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to set failure count"); snprintf(key, sizeof(key), "skipped-%d", i); ret = dict_set_uint64(op_ctx, key, index->skipped_files); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to set skipped count"); snprintf(key, sizeof(key), "run-time-%d", i); ret = dict_set_double(op_ctx, key, index->rebalance_time); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to set run-time"); return ret; } int glusterd_defrag_volume_node_rsp(dict_t *req_dict, dict_t *rsp_dict, dict_t *op_ctx) { int ret = 0; char *volname = NULL; glusterd_volinfo_t *volinfo = NULL; char key[64] = ""; int keylen; int32_t i = 0; char buf[64] = ""; char *node_str = NULL; int32_t cmd = 0; GF_ASSERT(req_dict); ret = dict_get_strn(req_dict, "volname", SLEN("volname"), &volname); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to get volume name"); goto out; } ret = glusterd_volinfo_find(volname, &volinfo); ret = dict_get_int32n(req_dict, "rebalance-command", SLEN("rebalance-command"), &cmd); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_DICT_GET_FAILED, "Unable to get the cmd"); goto out; } if (rsp_dict) { ret = glusterd_defrag_volume_status_update(volinfo, rsp_dict, cmd); } if (!op_ctx) { dict_copy(rsp_dict, op_ctx); goto out; } ret = dict_get_int32n(op_ctx, "count", SLEN("count"), &i); i++; ret = dict_set_int32n(op_ctx, "count", SLEN("count"), i); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set count"); snprintf(buf, sizeof(buf), "%s", uuid_utoa(MY_UUID)); node_str = gf_strdup(buf); keylen = snprintf(key, sizeof(key), "node-uuid-%d", i); ret = dict_set_dynstrn(op_ctx, key, keylen, node_str); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "failed to set node-uuid"); glusterd_rebalance_rsp(op_ctx, &volinfo->rebal, i); snprintf(key, sizeof(key), "time-left-%d", i); ret = dict_set_uint64(op_ctx, key, volinfo->rebal.time_left); if (ret) gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, "failed to set time left"); out: return ret; } int32_t glusterd_handle_node_rsp(dict_t *req_dict, void *pending_entry, glusterd_op_t op, dict_t *rsp_dict, dict_t *op_ctx, char **op_errstr, gd_node_type type) { int ret = 0; int32_t cmd = GF_OP_CMD_NONE; GF_ASSERT(op_errstr); switch (op) { case GD_OP_PROFILE_VOLUME: ret = glusterd_profile_volume_brick_rsp(pending_entry, rsp_dict, op_ctx, op_errstr, type); break; case GD_OP_STATUS_VOLUME: ret = dict_get_int32n(req_dict, "cmd", SLEN("cmd"), &cmd); if (!ret && (cmd & GF_CLI_STATUS_CLIENT_LIST)) { ret = glusterd_status_volume_client_list(rsp_dict, op_ctx, op_errstr); } else ret = glusterd_status_volume_brick_rsp(rsp_dict, op_ctx, op_errstr); break; case GD_OP_DEFRAG_BRICK_VOLUME: glusterd_defrag_volume_node_rsp(req_dict, rsp_dict, op_ctx); break; case GD_OP_HEAL_VOLUME: ret = glusterd_heal_volume_brick_rsp(req_dict, rsp_dict, op_ctx, op_errstr); break; case GD_OP_SCRUB_STATUS: ret = glusterd_bitrot_volume_node_rsp(op_ctx, rsp_dict); break; default: break; } gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } int32_t glusterd_set_originator_uuid(dict_t *dict) { int ret = -1; uuid_t *originator_uuid = NULL; GF_ASSERT(dict); originator_uuid = GF_MALLOC(sizeof(uuid_t), gf_common_mt_uuid_t); if (!originator_uuid) { ret = -1; goto out; } gf_uuid_copy(*originator_uuid, MY_UUID); ret = dict_set_bin(dict, "originator_uuid", originator_uuid, sizeof(uuid_t)); if (ret) { gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set originator_uuid."); goto out; } out: if (ret && originator_uuid) GF_FREE(originator_uuid); return ret; } /* Should be used only when an operation is in progress, as that is the only * time a lock_owner is set */ gf_boolean_t is_origin_glusterd(dict_t *dict) { gf_boolean_t ret = _gf_false; uuid_t lock_owner = { 0, }; uuid_t *originator_uuid = NULL; GF_ASSERT(dict); ret = dict_get_bin(dict, "originator_uuid", (void **)&originator_uuid); if (ret) { /* If not originator_uuid has been set, then the command * has been originated from a glusterd running on older version * Hence fetching the lock owner */ ret = glusterd_get_lock_owner(&lock_owner); if (ret) { ret = _gf_false; goto out; } ret = !gf_uuid_compare(MY_UUID, lock_owner); } else ret = !gf_uuid_compare(MY_UUID, *originator_uuid); out: return ret; } int glusterd_generate_and_set_task_id(dict_t *dict, char *key, const int keylen) { int ret = -1; uuid_t task_id = { 0, }; char *uuid_str = NULL; xlator_t *this = NULL; GF_ASSERT(dict); this = THIS; GF_ASSERT(this); gf_uuid_generate(task_id); uuid_str = gf_strdup(uuid_utoa(task_id)); if (!uuid_str) { ret = -1; goto out; } ret = dict_set_dynstrn(dict, key, keylen, uuid_str); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set %s in dict", key); goto out; } gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_TASK_ID_INFO, "Generated task-id %s for key %s", uuid_str, key); out: if (ret) GF_FREE(uuid_str); return ret; } int glusterd_copy_uuid_to_dict(uuid_t uuid, dict_t *dict, char *key, const int keylen) { int ret = -1; char tmp_str[40] = ""; char *task_id_str = NULL; GF_ASSERT(dict); GF_ASSERT(key); gf_uuid_unparse(uuid, tmp_str); task_id_str = gf_strdup(tmp_str); if (!task_id_str) return -1; ret = dict_set_dynstrn(dict, key, keylen, task_id_str); if (ret) { GF_FREE(task_id_str); gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Error setting uuid in dict with key %s", key); } return 0; } int _update_volume_op_versions(dict_t *this, char *key, data_t *value, void *data) { int op_version = 0; glusterd_volinfo_t *ctx = NULL; gf_boolean_t enabled = _gf_true; int ret = -1; GF_ASSERT(data); ctx = data; op_version = glusterd_get_op_version_for_key(key); if (gd_is_xlator_option(key) || gd_is_boolean_option(key)) { ret = gf_string2boolean(value->data, &enabled); if (ret) return 0; if (!enabled) return 0; } if (op_version > ctx->op_version) ctx->op_version = op_version; if (gd_is_client_option(key) && (op_version > ctx->client_op_version)) ctx->client_op_version = op_version; return 0; } void gd_update_volume_op_versions(glusterd_volinfo_t *volinfo) { glusterd_conf_t *conf = NULL; gf_boolean_t ob_enabled = _gf_false; GF_ASSERT(volinfo); conf = THIS->private; GF_ASSERT(conf); /* Reset op-versions to minimum */ volinfo->op_version = 1; volinfo->client_op_version = 1; dict_foreach(volinfo->dict, _update_volume_op_versions, volinfo); /* Special case for open-behind * If cluster op-version >= 2 and open-behind hasn't been explicitly * disabled, volume op-versions must be updated to account for it */ /* TODO: Remove once we have a general way to update automatically * enabled features */ if (conf->op_version >= 2) { ob_enabled = dict_get_str_boolean(volinfo->dict, "performance.open-behind", _gf_true); if (ob_enabled) { if (volinfo->op_version < 2) volinfo->op_version = 2; if (volinfo->client_op_version < 2) volinfo->client_op_version = 2; } } if (volinfo->type == GF_CLUSTER_TYPE_DISPERSE) { if (volinfo->op_version < GD_OP_VERSION_3_6_0) volinfo->op_version = GD_OP_VERSION_3_6_0; if (volinfo->client_op_version < GD_OP_VERSION_3_6_0) volinfo->client_op_version = GD_OP_VERSION_3_6_0; } return; } int op_version_check(xlator_t *this, int min_op_version, char *msg, int msglen) { int ret = 0; glusterd_conf_t *priv = NULL; GF_ASSERT(this); GF_ASSERT(msg); priv = this->private; if (priv->op_version < min_op_version) { snprintf(msg, msglen, "One or more nodes do not support " "the required op-version. Cluster op-version must " "at least be %d.", min_op_version); gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_UNSUPPORTED_VERSION, "%s", msg); ret = -1; } return ret; } /* A task is committed/completed once the task-id for it is cleared */ gf_boolean_t gd_is_remove_brick_committed(glusterd_volinfo_t *volinfo) { GF_ASSERT(volinfo); if ((GD_OP_REMOVE_BRICK == volinfo->rebal.op) && !gf_uuid_is_null(volinfo->rebal.rebalance_id)) return _gf_false; return _gf_true; } gf_boolean_t glusterd_is_status_tasks_op(glusterd_op_t op, dict_t *dict) { int ret = -1; uint32_t cmd = GF_CLI_STATUS_NONE; gf_boolean_t is_status_tasks = _gf_false; if (op != GD_OP_STATUS_VOLUME) goto out; ret = dict_get_uint32(dict, "cmd", &cmd); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get opcode"); goto out; } if (cmd & GF_CLI_STATUS_TASKS) is_status_tasks = _gf_true; out: return is_status_tasks; } /* Tells if rebalance needs to be started for the given volume on the peer * * Rebalance should be started on a peer only if an involved brick is present on * the peer. * * For a normal rebalance, if any one brick of the given volume is present on * the peer, the rebalance process should be started. * * For a rebalance as part of a remove-brick operation, the rebalance process * should be started only if one of the bricks being removed is present on the * peer */ gf_boolean_t gd_should_i_start_rebalance(glusterd_volinfo_t *volinfo) { gf_boolean_t retval = _gf_false; int ret = -1; glusterd_brickinfo_t *brick = NULL; int count = 0; int i = 0; char key[64] = ""; int keylen; char *brickname = NULL; switch (volinfo->rebal.op) { case GD_OP_REBALANCE: cds_list_for_each_entry(brick, &volinfo->bricks, brick_list) { if (gf_uuid_compare(MY_UUID, brick->uuid) == 0) { retval = _gf_true; break; } } break; case GD_OP_REMOVE_BRICK: ret = dict_get_int32n(volinfo->rebal.dict, "count", SLEN("count"), &count); if (ret) { goto out; } for (i = 1; i <= count; i++) { keylen = snprintf(key, sizeof(key), "brick%d", i); ret = dict_get_strn(volinfo->rebal.dict, key, keylen, &brickname); if (ret) goto out; ret = glusterd_volume_brickinfo_get_by_brick(brickname, volinfo, &brick, _gf_false); if (ret) goto out; if (gf_uuid_compare(MY_UUID, brick->uuid) == 0) { retval = _gf_true; break; } } break; default: break; } out: return retval; } int glusterd_is_volume_quota_enabled(glusterd_volinfo_t *volinfo) { return (glusterd_volinfo_get_boolean(volinfo, VKEY_FEATURES_QUOTA)); } int glusterd_is_volume_inode_quota_enabled(glusterd_volinfo_t *volinfo) { return (glusterd_volinfo_get_boolean(volinfo, VKEY_FEATURES_INODE_QUOTA)); } int glusterd_is_bitrot_enabled(glusterd_volinfo_t *volinfo) { return glusterd_volinfo_get_boolean(volinfo, VKEY_FEATURES_BITROT); } int glusterd_validate_and_set_gfid(dict_t *op_ctx, dict_t *req_dict, char **op_errstr) { int ret = -1; int count = 0; int i = 0; int op_code = GF_QUOTA_OPTION_TYPE_NONE; uuid_t uuid1 = {0}; uuid_t uuid2 = { 0, }; char *path = NULL; char key[64] = ""; int keylen; char *uuid1_str = NULL; char *uuid1_str_dup = NULL; char *uuid2_str = NULL; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); ret = dict_get_int32n(op_ctx, "type", SLEN("type"), &op_code); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get quota opcode"); goto out; } if ((op_code != GF_QUOTA_OPTION_TYPE_LIMIT_USAGE) && (op_code != GF_QUOTA_OPTION_TYPE_LIMIT_OBJECTS) && (op_code != GF_QUOTA_OPTION_TYPE_REMOVE) && (op_code != GF_QUOTA_OPTION_TYPE_REMOVE_OBJECTS)) { ret = 0; goto out; } ret = dict_get_strn(op_ctx, "path", SLEN("path"), &path); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get path"); goto out; } ret = dict_get_int32n(op_ctx, "count", SLEN("count"), &count); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get count"); goto out; } /* If count is 0, fail the command with ENOENT. * * If count is 1, treat gfid0 as the gfid on which the operation * is to be performed and resume the command. * * if count > 1, get the 0th gfid from the op_ctx and, * compare it with the remaining 'count -1' gfids. * If they are found to be the same, set gfid0 in the op_ctx and * resume the operation, else error out. */ if (count == 0) { gf_asprintf(op_errstr, "Failed to get trusted.gfid attribute " "on path %s. Reason : %s", path, strerror(ENOENT)); ret = -ENOENT; goto out; } keylen = snprintf(key, sizeof(key), "gfid%d", 0); ret = dict_get_strn(op_ctx, key, keylen, &uuid1_str); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get key '%s'", key); goto out; } gf_uuid_parse(uuid1_str, uuid1); for (i = 1; i < count; i++) { keylen = snprintf(key, sizeof(key), "gfid%d", i); ret = dict_get_strn(op_ctx, key, keylen, &uuid2_str); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get key " "'%s'", key); goto out; } gf_uuid_parse(uuid2_str, uuid2); if (gf_uuid_compare(uuid1, uuid2)) { gf_asprintf(op_errstr, "gfid mismatch between %s and " "%s for path %s", uuid1_str, uuid2_str, path); ret = -1; goto out; } } if (i == count) { uuid1_str_dup = gf_strdup(uuid1_str); if (!uuid1_str_dup) { ret = -1; goto out; } ret = dict_set_dynstrn(req_dict, "gfid", SLEN("gfid"), uuid1_str_dup); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set gfid"); GF_FREE(uuid1_str_dup); goto out; } } else { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_ITER_FAIL, "Failed to iterate through %d" " entries in the req dict", count); ret = -1; goto out; } ret = 0; out: return ret; } void glusterd_clean_up_quota_store(glusterd_volinfo_t *volinfo) { char voldir[PATH_MAX] = ""; char quota_confpath[PATH_MAX] = ""; char cksum_path[PATH_MAX] = ""; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; int32_t len = 0; this = THIS; GF_ASSERT(this); conf = this->private; GF_ASSERT(conf); GLUSTERD_GET_VOLUME_DIR(voldir, volinfo, conf); len = snprintf(quota_confpath, sizeof(quota_confpath), "%s/%s", voldir, GLUSTERD_VOLUME_QUOTA_CONFIG); if ((len < 0) || (len >= sizeof(quota_confpath))) { quota_confpath[0] = 0; } len = snprintf(cksum_path, sizeof(cksum_path), "%s/%s", voldir, GLUSTERD_VOL_QUOTA_CKSUM_FILE); if ((len < 0) || (len >= sizeof(cksum_path))) { cksum_path[0] = 0; } sys_unlink(quota_confpath); sys_unlink(cksum_path); gf_store_handle_destroy(volinfo->quota_conf_shandle); volinfo->quota_conf_shandle = NULL; volinfo->quota_conf_version = 0; } int glusterd_remove_auxiliary_mount(char *volname) { int ret = -1; char mountdir[PATH_MAX] = ""; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GLUSTERD_GET_QUOTA_LIMIT_MOUNT_PATH(mountdir, volname, "/"); ret = gf_umount_lazy(this->name, mountdir, 1); if (ret) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_LAZY_UMOUNT_FAIL, "umount on %s failed, " "reason : %s", mountdir, strerror(errno)); /* Hide EBADF as it means the mount is already gone */ if (errno == EBADF) ret = 0; } return ret; } /* Stops the rebalance process of the given volume */ int gd_stop_rebalance_process(glusterd_volinfo_t *volinfo) { int ret = -1; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; char pidfile[PATH_MAX] = ""; GF_ASSERT(volinfo); this = THIS; GF_ASSERT(this); conf = this->private; GF_ASSERT(conf); GLUSTERD_GET_DEFRAG_PID_FILE(pidfile, volinfo, conf); ret = glusterd_service_stop("rebalance", pidfile, SIGTERM, _gf_true); return ret; } rpc_clnt_t * glusterd_rpc_clnt_unref(glusterd_conf_t *conf, rpc_clnt_t *rpc) { rpc_clnt_t *ret = NULL; GF_ASSERT(conf); GF_ASSERT(rpc); synclock_unlock(&conf->big_lock); (void)rpc_clnt_reconnect_cleanup(&rpc->conn); ret = rpc_clnt_unref(rpc); synclock_lock(&conf->big_lock); return ret; } int32_t glusterd_compare_volume_name(struct cds_list_head *list1, struct cds_list_head *list2) { glusterd_volinfo_t *volinfo1 = NULL; glusterd_volinfo_t *volinfo2 = NULL; volinfo1 = cds_list_entry(list1, glusterd_volinfo_t, vol_list); volinfo2 = cds_list_entry(list2, glusterd_volinfo_t, vol_list); return strcmp(volinfo1->volname, volinfo2->volname); } static int gd_default_synctask_cbk(int ret, call_frame_t *frame, void *opaque) { glusterd_conf_t *priv = THIS->private; synclock_unlock(&priv->big_lock); return ret; } void glusterd_launch_synctask(synctask_fn_t fn, void *opaque) { xlator_t *this = NULL; int ret = -1; this = THIS; /* synclock_lock must be called from within synctask, @fn must call it * before it starts with its work*/ ret = synctask_new(this->ctx->env, fn, gd_default_synctask_cbk, NULL, opaque); if (ret) gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_SPAWN_SVCS_FAIL, "Failed to spawn bricks" " and other volume related services"); } /* * glusterd_enable_default_options enable certain options by default on the * given volume based on the cluster op-version. This is called only during * volume create or during volume reset * * @volinfo - volume on which to enable the default options * @option - option to be set to default. If NULL, all possible options will be * set to default * * Returns 0 on success and -1 on failure. If @option is given, but doesn't * match any of the options that could be set, it is a success. */ /* * TODO: Make this able to parse the volume-set table to set options * Currently, the check and set for any option which wants to make use of this * 'framework' needs to be done here manually. This would mean more work for the * developer. This little extra work can be avoided if we make it possible to * parse the volume-set table to get the options which could be set and their * default values */ int glusterd_enable_default_options(glusterd_volinfo_t *volinfo, char *option) { int ret = 0; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; this = THIS; GF_ASSERT(this); GF_VALIDATE_OR_GOTO(this->name, volinfo, out); conf = this->private; GF_ASSERT(conf); #ifdef GD_OP_VERSION_3_8_0 if (conf->op_version >= GD_OP_VERSION_3_8_0) { /* nfs.disable needs to be enabled for new volumes with * >= gluster version 3.7 (for now) 3.8 later */ if (!option || !strcmp(NFS_DISABLE_MAP_KEY, option)) { ret = dict_set_dynstr_with_alloc(volinfo->dict, NFS_DISABLE_MAP_KEY, "on"); if (ret) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, "Failed to set option '" NFS_DISABLE_MAP_KEY "' on volume " "%s", volinfo->volname); goto out; } } } #endif if (conf->op_version >= GD_OP_VERSION_3_7_0) { /* Set needed volume options in volinfo->dict * For ex., * * if (!option || !strcmp("someoption", option) { * ret = dict_set_str(volinfo->dict, "someoption", "on"); * ... * } * */ /* Option 'features.quota-deem-statfs' should not be turned off * with 'gluster volume reset ', since quota features * can be reset only with 'gluster volume quota * disable'. */ if (!option || !strcmp("features.quota-deem-statfs", option)) { if (glusterd_is_volume_quota_enabled(volinfo)) { ret = dict_set_dynstr_with_alloc( volinfo->dict, "features.quota-deem-statfs", "on"); if (ret) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, "Failed to set option " "'features.quota-deem-statfs' " "on volume %s", volinfo->volname); goto out; } } } } if (conf->op_version >= GD_OP_VERSION_7_0) { ret = dict_set_dynstr_with_alloc(volinfo->dict, "storage.fips-mode-rchecksum", "on"); if (ret) { gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, "Failed to set option 'storage.fips-mode-rchecksum' " "on volume %s", volinfo->volname); goto out; } } out: return ret; } void glusterd_get_gfproxy_client_volfile(glusterd_volinfo_t *volinfo, char *path, int path_len) { char workdir[PATH_MAX] = ""; glusterd_conf_t *priv = THIS->private; GLUSTERD_GET_VOLUME_DIR(workdir, volinfo, priv); switch (volinfo->transport_type) { case GF_TRANSPORT_TCP: case GF_TRANSPORT_BOTH_TCP_RDMA: snprintf(path, path_len, "%s/trusted-%s.tcp-gfproxy-fuse.vol", workdir, volinfo->volname); break; case GF_TRANSPORT_RDMA: snprintf(path, path_len, "%s/trusted-%s.rdma-gfproxy-fuse.vol", workdir, volinfo->volname); break; default: break; } } void glusterd_get_rebalance_volfile(glusterd_volinfo_t *volinfo, char *path, int path_len) { char workdir[PATH_MAX] = ""; glusterd_conf_t *priv = THIS->private; GLUSTERD_GET_VOLUME_DIR(workdir, volinfo, priv); snprintf(path, path_len, "%s/%s-rebalance.vol", workdir, volinfo->volname); } /* This function will update the backend file-system * type and the mount options in origin and snap brickinfo. * This will be later used to perform file-system specific operation * during LVM snapshot. * * @param brick_path brickpath for which fstype to be found * @param brickinfo brickinfo of snap/origin volume * @return 0 on success and -1 on failure */ int glusterd_update_mntopts(char *brick_path, glusterd_brickinfo_t *brickinfo) { int32_t ret = -1; char *mnt_pt = NULL; char buff[PATH_MAX] = ""; struct mntent *entry = NULL; struct mntent save_entry = { 0, }; xlator_t *this = NULL; this = THIS; GF_ASSERT(this); GF_ASSERT(brick_path); GF_ASSERT(brickinfo); ret = glusterd_get_brick_root(brick_path, &mnt_pt); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICKPATH_ROOT_GET_FAIL, "getting the root " "of the brick (%s) failed ", brick_path); goto out; } entry = glusterd_get_mnt_entry_info(mnt_pt, buff, sizeof(buff), &save_entry); if (!entry) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_MNTENTRY_GET_FAIL, "getting the mount entry for " "the brick (%s) failed", brick_path); ret = -1; goto out; } if (snprintf(brickinfo->fstype, sizeof(brickinfo->fstype), "%s", entry->mnt_type) >= sizeof(brickinfo->fstype)) { ret = -1; goto out; } (void)snprintf(brickinfo->mnt_opts, sizeof(brickinfo->mnt_opts), "%s", entry->mnt_opts); gf_strncpy(brickinfo->mnt_opts, entry->mnt_opts, sizeof(brickinfo->mnt_opts)); ret = 0; out: if (mnt_pt) GF_FREE(mnt_pt); return ret; } int glusterd_get_value_for_vme_entry(struct volopt_map_entry *vme, char **def_val) { int ret = -1; char *key = NULL; xlator_t *this = NULL; char *descr = NULL; char *local_def_val = NULL; void *dl_handle = NULL; volume_opt_list_t vol_opt_handle = { {0}, }; this = THIS; GF_ASSERT(this); CDS_INIT_LIST_HEAD(&vol_opt_handle.list); if (_get_xlator_opt_key_from_vme(vme, &key)) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_GET_KEY_FAILED, "Failed to get %s key from " "volume option entry", vme->key); goto out; } ret = xlator_volopt_dynload(vme->voltype, &dl_handle, &vol_opt_handle); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_XLATOR_VOLOPT_DYNLOAD_ERROR, "xlator_volopt_dynload error " "(%d)", ret); ret = -2; goto cont; } ret = xlator_option_info_list(&vol_opt_handle, key, &local_def_val, &descr); if (ret) { /*Swallow Error if option not found*/ gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_GET_KEY_FAILED, "Failed to get option for %s " "key", key); ret = -2; goto cont; } if (!local_def_val) local_def_val = "(null)"; *def_val = gf_strdup(local_def_val); cont: if (dl_handle) { dlclose(dl_handle); dl_handle = NULL; vol_opt_handle.given_opt = NULL; } if (key) { _free_xlator_opt_key(key); key = NULL; } if (ret) goto out; out: gf_msg_debug(this->name, 0, "Returning %d", ret); return ret; } int glusterd_get_global_max_op_version(rpcsvc_request_t *req, dict_t *ctx, int count) { int ret = -1; char *def_val = NULL; char dict_key[50] = ""; int keylen; ret = glusterd_mgmt_v3_initiate_all_phases(req, GD_OP_MAX_OPVERSION, ctx); ret = dict_get_strn(ctx, "max-opversion", SLEN("max-opversion"), &def_val); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get max-opversion value from" " dictionary"); goto out; } keylen = sprintf(dict_key, "key%d", count); ret = dict_set_nstrn(ctx, dict_key, keylen, GLUSTERD_MAX_OP_VERSION_KEY, SLEN(GLUSTERD_MAX_OP_VERSION_KEY)); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set %s in " "dictionary", GLUSTERD_MAX_OP_VERSION_KEY); goto out; } sprintf(dict_key, "value%d", count); ret = dict_set_dynstr_with_alloc(ctx, dict_key, def_val); if (ret) { gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set %s for key %s in dictionary", def_val, GLUSTERD_MAX_OP_VERSION_KEY); goto out; } out: return ret; } int glusterd_get_global_options_for_all_vols(rpcsvc_request_t *req, dict_t *ctx, char **op_errstr) { int ret = -1; int count = 0; gf_boolean_t all_opts = _gf_false; gf_boolean_t key_found = _gf_false; glusterd_conf_t *priv = NULL; xlator_t *this = NULL; char *key = NULL; char *key_fixed = NULL; char dict_key[50] = ""; char *def_val = NULL; char err_str[PATH_MAX] = ""; char *allvolopt = NULL; int32_t i = 0; gf_boolean_t exists = _gf_false; gf_boolean_t need_free = _gf_false; this = THIS; GF_VALIDATE_OR_GOTO(THIS->name, this, out); priv = this->private; GF_VALIDATE_OR_GOTO(this->name, priv, out); GF_VALIDATE_OR_GOTO(this->name, ctx, out); ret = dict_get_strn(ctx, "key", SLEN("key"), &key); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Failed to get option key from dictionary"); goto out; } if (strcasecmp(key, "all") == 0) all_opts = _gf_true; else { exists = glusterd_check_option_exists(key, &key_fixed); if (!exists) { snprintf(err_str, sizeof(err_str), "Option " "with name: %s does not exist", key); gf_msg(this->name, GF_LOG_ERROR, EINVAL, GD_MSG_UNKNOWN_KEY, "%s", err_str); if (key_fixed) snprintf(err_str, sizeof(err_str), "Did you mean %s?", key_fixed); ret = -1; goto out; } if (key_fixed) key = key_fixed; } /* coverity[CONSTANT_EXPRESSION_RESULT] */ ALL_VOLUME_OPTION_CHECK("all", _gf_true, key, ret, op_errstr, out); for (i = 0; valid_all_vol_opts[i].option; i++) { allvolopt = valid_all_vol_opts[i].option; if (!all_opts && strcmp(key, allvolopt) != 0) continue; /* Found global option */ if (strcmp(allvolopt, GLUSTERD_MAX_OP_VERSION_KEY) == 0) { count++; ret = glusterd_get_global_max_op_version(req, ctx, count); if (ret) goto out; else continue; } ret = dict_get_str(priv->opts, allvolopt, &def_val); /* If global option isn't set explicitly */ if (!def_val) { if (!strcmp(allvolopt, GLUSTERD_GLOBAL_OP_VERSION_KEY)) { gf_asprintf(&def_val, "%d", priv->op_version); need_free = _gf_true; } else { def_val = valid_all_vol_opts[i].dflt_val; } } count++; ret = sprintf(dict_key, "key%d", count); ret = dict_set_strn(ctx, dict_key, ret, allvolopt); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set %s in dictionary", allvolopt); goto out; } sprintf(dict_key, "value%d", count); ret = dict_set_dynstr_with_alloc(ctx, dict_key, def_val); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set %s for key %s in dictionary", def_val, allvolopt); goto out; } if (need_free) { GF_FREE(def_val); need_free = _gf_false; } def_val = NULL; allvolopt = NULL; if (!all_opts) break; } ret = dict_set_int32n(ctx, "count", SLEN("count"), count); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set count in dictionary"); } out: if (ret && !all_opts && !key_found) { if (err_str[0] == 0) snprintf(err_str, sizeof(err_str), "option %s does not exist", key); if (*op_errstr == NULL) *op_errstr = gf_strdup(err_str); } if (ret && need_free) { GF_FREE(def_val); } GF_FREE(key_fixed); gf_msg_debug(THIS->name, 0, "Returning %d", ret); return ret; } char * glusterd_get_option_value(glusterd_volinfo_t *volinfo, char *key) { char *value = NULL; if (!glusterd_is_volume_replicate(volinfo)) goto ret; if (!strcmp(key, "performance.client-io-threads")) { value = "off"; } else if (!strcmp(key, "cluster.quorum-type")) { if (volinfo->replica_count % 2) { value = "auto"; } } ret: return value; } int glusterd_get_default_val_for_volopt(dict_t *ctx, gf_boolean_t all_opts, char *input_key, char *orig_key, glusterd_volinfo_t *volinfo, char **op_errstr) { struct volopt_map_entry *vme = NULL; int ret = -1; int count = 0; xlator_t *this = NULL; char *def_val = NULL; char dict_key[50] = ""; int keylen; gf_boolean_t key_found = _gf_false; gf_boolean_t get_value_vme = _gf_false; glusterd_conf_t *priv = NULL; dict_t *vol_dict = NULL; this = THIS; GF_ASSERT(this); priv = this->private; GF_VALIDATE_OR_GOTO(this->name, priv, out); vol_dict = volinfo->dict; GF_VALIDATE_OR_GOTO(this->name, vol_dict, out); /* Check whether key is passed for a single option */ if (!all_opts && !input_key) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_KEY_NULL, "Key is NULL"); goto out; } for (vme = &glusterd_volopt_map[0]; vme->key; vme++) { if (!all_opts && strcmp(vme->key, input_key)) continue; key_found = _gf_true; get_value_vme = _gf_false; /* First look for the key in the priv->opts for global option * and then into vol_dict, if its not present then look for * translator default value */ keylen = strlen(vme->key); ret = dict_get_strn(priv->opts, vme->key, keylen, &def_val); if (!def_val) { ret = dict_get_strn(vol_dict, vme->key, keylen, &def_val); if (ret == -ENOENT) def_val = glusterd_get_option_value(volinfo, vme->key); if (!def_val) { if (vme->value) { def_val = vme->value; } else { ret = glusterd_get_value_for_vme_entry(vme, &def_val); get_value_vme = _gf_true; if (!all_opts && ret) goto out; else if (ret == -2) continue; } } } count++; keylen = sprintf(dict_key, "key%d", count); ret = dict_set_strn(ctx, dict_key, keylen, vme->key); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to " "set %s in dictionary", vme->key); goto out; } sprintf(dict_key, "value%d", count); ret = dict_set_dynstr_with_alloc(ctx, dict_key, def_val); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to " "set %s for key %s in dictionary", def_val, vme->key); goto out; } if (get_value_vme) GF_FREE(def_val); def_val = NULL; if (!all_opts) break; } if (!all_opts && !key_found) goto out; ret = dict_set_int32n(ctx, "count", SLEN("count"), count); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Failed to set count " "in dictionary"); } out: if (ret && !all_opts && !key_found) { char err_str[PATH_MAX]; snprintf(err_str, sizeof(err_str), "option %s does not exist", orig_key); *op_errstr = gf_strdup(err_str); } if (def_val) GF_FREE(def_val); gf_msg_debug(this->name, 0, "Returning %d", ret); return ret; } int glusterd_get_volopt_content(dict_t *ctx, gf_boolean_t xml_out) { void *dl_handle = NULL; volume_opt_list_t vol_opt_handle = { {0}, }; char *key = NULL; struct volopt_map_entry *vme = NULL; int ret = -1; char *def_val = NULL; char *descr = NULL; char *output = NULL; size_t size = 0; size_t used = 0; #if (HAVE_LIB_XML) xmlTextWriterPtr writer = NULL; xmlBufferPtr buf = NULL; if (xml_out) { ret = init_sethelp_xml_doc(&writer, &buf); if (ret) /*logging done in init_xml_lib*/ goto out; } #endif if (!xml_out) { size = 65536; output = GF_MALLOC(size, gf_common_mt_char); if (output == NULL) { ret = -1; goto out; } } CDS_INIT_LIST_HEAD(&vol_opt_handle.list); for (vme = &glusterd_volopt_map[0]; vme->key; vme++) { if ((vme->type == NO_DOC) || (vme->type == GLOBAL_NO_DOC)) continue; if (vme->description) { descr = vme->description; def_val = vme->value; } else { if (_get_xlator_opt_key_from_vme(vme, &key)) { gf_msg_debug("glusterd", 0, "Failed to " "get %s key from volume option entry", vme->key); goto out; /*Some error while getting key*/ } ret = xlator_volopt_dynload(vme->voltype, &dl_handle, &vol_opt_handle); if (ret) { gf_msg_debug("glusterd", 0, "xlator_volopt_dynload error(%d)", ret); ret = 0; goto cont; } ret = xlator_option_info_list(&vol_opt_handle, key, &def_val, &descr); if (ret) { /*Swallow Error i.e if option not found*/ gf_msg_debug("glusterd", 0, "Failed to get option for %s key", key); ret = 0; goto cont; } } if (xml_out) { #if (HAVE_LIB_XML) if (xml_add_volset_element(writer, vme->key, def_val, descr)) { ret = -1; goto cont; } #else gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_MODULE_NOT_INSTALLED, "Libxml not present"); #endif } else { void *tmp; int len; do { len = snprintf(output + used, size - used, "Option: %s\nDefault Value: %s\n" "Description: %s\n\n", vme->key, def_val, descr); if (len < 0) { ret = -1; goto cont; } if (used + len < size) { used += len; break; } size += (len + 65536) & ~65535; tmp = GF_REALLOC(output, size); if (tmp == NULL) { ret = -1; goto cont; } output = tmp; } while (1); } cont: if (dl_handle) { dlclose(dl_handle); dl_handle = NULL; vol_opt_handle.given_opt = NULL; } if (key) { _free_xlator_opt_key(key); key = NULL; } if (ret) goto out; } #if (HAVE_LIB_XML) if ((xml_out) && (ret = end_sethelp_xml_doc(writer))) goto out; #else if (xml_out) gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_MODULE_NOT_INSTALLED, "Libxml not present"); #endif if (xml_out) { #if (HAVE_LIB_XML) output = gf_strdup((char *)buf->content); if (NULL == output) { ret = -1; goto out; } #else gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_MODULE_NOT_INSTALLED, "Libxml not present"); #endif } ret = dict_set_dynstrn(ctx, "help-str", SLEN("help-str"), output); if (ret >= 0) { output = NULL; } out: GF_FREE(output); gf_msg_debug("glusterd", 0, "Returning %d", ret); return ret; } int glusterd_check_client_op_version_support(char *volname, uint32_t op_version, char **op_errstr) { int ret = 0; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; rpc_transport_t *xprt = NULL; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); pthread_mutex_lock(&priv->xprt_lock); list_for_each_entry(xprt, &priv->xprt_list, list) { if ((!strcmp(volname, xprt->peerinfo.volname)) && ((op_version > xprt->peerinfo.max_op_version) || (op_version < xprt->peerinfo.min_op_version))) { ret = -1; break; } } pthread_mutex_unlock(&priv->xprt_lock); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_UNSUPPORTED_VERSION, "Client %s is running with min_op_version as %d and " "max_op_version as %d and don't support the required " "op-version %d", xprt->peerinfo.identifier, xprt->peerinfo.min_op_version, xprt->peerinfo.max_op_version, op_version); if (op_errstr) ret = gf_asprintf(op_errstr, "One of the client %s is " "running with op-version %d and " "doesn't support the required " "op-version %d. This client needs to" " be upgraded or disconnected " "before running this command again", xprt->peerinfo.identifier, xprt->peerinfo.max_op_version, op_version); return -1; } return 0; } gf_boolean_t glusterd_have_peers() { xlator_t *this = NULL; glusterd_conf_t *conf = NULL; this = THIS; GF_ASSERT(this); conf = this->private; GF_ASSERT(conf); return !cds_list_empty(&conf->peers); } gf_boolean_t glusterd_is_volume_started(glusterd_volinfo_t *volinfo) { GF_ASSERT(volinfo); return (volinfo->status == GLUSTERD_STATUS_STARTED); } int glusterd_volume_get_type_str(glusterd_volinfo_t *volinfo, char **voltype_str) { int ret = -1; int type = 0; GF_VALIDATE_OR_GOTO(THIS->name, volinfo, out); type = get_vol_type(volinfo->type, volinfo->dist_leaf_count, volinfo->brick_count); *voltype_str = vol_type_str[type]; ret = 0; out: return ret; } int glusterd_volume_get_status_str(glusterd_volinfo_t *volinfo, char *status_str) { int ret = -1; GF_VALIDATE_OR_GOTO(THIS->name, volinfo, out); GF_VALIDATE_OR_GOTO(THIS->name, status_str, out); switch (volinfo->status) { case GLUSTERD_STATUS_NONE: sprintf(status_str, "%s", "Created"); break; case GLUSTERD_STATUS_STARTED: sprintf(status_str, "%s", "Started"); break; case GLUSTERD_STATUS_STOPPED: sprintf(status_str, "%s", "Stopped"); break; default: goto out; } ret = 0; out: return ret; } void glusterd_brick_get_status_str(glusterd_brickinfo_t *brickinfo, char *status_str) { GF_VALIDATE_OR_GOTO(THIS->name, brickinfo, out); GF_VALIDATE_OR_GOTO(THIS->name, status_str, out); switch (brickinfo->status) { case GF_BRICK_STOPPED: sprintf(status_str, "%s", "Stopped"); break; case GF_BRICK_STARTED: sprintf(status_str, "%s", "Started"); break; case GF_BRICK_STARTING: sprintf(status_str, "%s", "Starting"); break; case GF_BRICK_STOPPING: sprintf(status_str, "%s", "Stopping"); break; default: sprintf(status_str, "%s", "None"); break; } out: return; } int glusterd_volume_get_transport_type_str(glusterd_volinfo_t *volinfo, char *transport_type_str) { int ret = -1; GF_VALIDATE_OR_GOTO(THIS->name, volinfo, out); GF_VALIDATE_OR_GOTO(THIS->name, transport_type_str, out); switch (volinfo->transport_type) { case GF_TRANSPORT_TCP: sprintf(transport_type_str, "%s", "tcp"); break; case GF_TRANSPORT_RDMA: sprintf(transport_type_str, "%s", "rdma"); break; case GF_TRANSPORT_BOTH_TCP_RDMA: sprintf(transport_type_str, "%s", "tcp_rdma_both"); break; default: goto out; } ret = 0; out: return ret; } int glusterd_volume_get_quorum_status_str(glusterd_volinfo_t *volinfo, char *quorum_status_str) { int ret = -1; GF_VALIDATE_OR_GOTO(THIS->name, volinfo, out); GF_VALIDATE_OR_GOTO(THIS->name, quorum_status_str, out); switch (volinfo->quorum_status) { case NOT_APPLICABLE_QUORUM: sprintf(quorum_status_str, "%s", "not_applicable"); break; case MEETS_QUORUM: sprintf(quorum_status_str, "%s", "meets"); break; case DOESNT_MEET_QUORUM: sprintf(quorum_status_str, "%s", "does_not_meet"); break; default: goto out; } ret = 0; out: return ret; } int glusterd_volume_get_rebalance_status_str(glusterd_volinfo_t *volinfo, char *rebal_status_str) { int ret = -1; GF_VALIDATE_OR_GOTO(THIS->name, volinfo, out); GF_VALIDATE_OR_GOTO(THIS->name, rebal_status_str, out); switch (volinfo->rebal.defrag_status) { case GF_DEFRAG_STATUS_NOT_STARTED: sprintf(rebal_status_str, "%s", "not_started"); break; case GF_DEFRAG_STATUS_STARTED: sprintf(rebal_status_str, "%s", "started"); break; case GF_DEFRAG_STATUS_STOPPED: sprintf(rebal_status_str, "%s", "stopped"); break; case GF_DEFRAG_STATUS_COMPLETE: sprintf(rebal_status_str, "%s", "completed"); break; case GF_DEFRAG_STATUS_FAILED: sprintf(rebal_status_str, "%s", "failed"); break; case GF_DEFRAG_STATUS_LAYOUT_FIX_STARTED: sprintf(rebal_status_str, "%s", "layout_fix_started"); break; case GF_DEFRAG_STATUS_LAYOUT_FIX_STOPPED: sprintf(rebal_status_str, "%s", "layout_fix_stopped"); break; case GF_DEFRAG_STATUS_LAYOUT_FIX_COMPLETE: sprintf(rebal_status_str, "%s", "layout_fix_complete"); break; case GF_DEFRAG_STATUS_LAYOUT_FIX_FAILED: sprintf(rebal_status_str, "%s", "layout_fix_failed"); break; default: goto out; } ret = 0; out: return ret; } /* This function will insert the element to the list in a order. Order will be based on the compare function provided as a input. If element to be inserted in ascending order compare should return: 0: if both the arguments are equal >0: if first argument is greater than second argument <0: if first argument is less than second argument */ void glusterd_list_add_order(struct cds_list_head *new, struct cds_list_head *head, int (*compare)(struct cds_list_head *, struct cds_list_head *)) { struct cds_list_head *pos = NULL; cds_list_for_each_rcu(pos, head) { if (compare(new, pos) <= 0) break; } cds_list_add_rcu(new, rcu_dereference(pos->prev)); } int32_t glusterd_count_connected_peers(int32_t *count) { glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *conf = NULL; int32_t ret = -1; xlator_t *this = NULL; this = THIS; GF_VALIDATE_OR_GOTO("glusterd", this, out); conf = this->private; GF_VALIDATE_OR_GOTO(this->name, conf, out); GF_VALIDATE_OR_GOTO(this->name, count, out); *count = 1; RCU_READ_LOCK; cds_list_for_each_entry_rcu(peerinfo, &conf->peers, uuid_list) { /* Find peer who is connected and is a friend */ if ((peerinfo->connected) && (peerinfo->state.state == GD_FRIEND_STATE_BEFRIENDED)) { (*count)++; } } RCU_READ_UNLOCK; ret = 0; out: return ret; } char * gd_get_shd_key(int type) { char *key = NULL; switch (type) { case GF_CLUSTER_TYPE_REPLICATE: key = "cluster.self-heal-daemon"; break; case GF_CLUSTER_TYPE_DISPERSE: key = "cluster.disperse-self-heal-daemon"; break; default: key = NULL; break; } return key; } int glusterd_handle_replicate_brick_ops(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo, glusterd_op_t op) { int32_t ret = -1; char tmpmount[] = "/tmp/mntXXXXXX"; char logfile[PATH_MAX] = ""; int dirty[3] = { 0, }; runner_t runner = {0}; glusterd_conf_t *priv = NULL; char *pid = NULL; char vpath[PATH_MAX] = ""; char *volfileserver = NULL; priv = THIS->private; GF_VALIDATE_OR_GOTO(THIS->name, priv, out); dirty[2] = hton32(1); ret = sys_lsetxattr(brickinfo->path, GF_AFR_DIRTY, dirty, sizeof(dirty), 0); if (ret == -1) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_SETXATTR_FAIL, "Failed to set extended" " attribute %s : %s.", GF_AFR_DIRTY, strerror(errno)); goto out; } if (mkdtemp(tmpmount) == NULL) { gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_DIR_OP_FAILED, "failed to create a temporary mount directory."); ret = -1; goto out; } ret = gf_asprintf(&pid, "%d", GF_CLIENT_PID_ADD_REPLICA_MOUNT); if (ret < 0) goto out; switch (op) { case GD_OP_REPLACE_BRICK: if (dict_get_strn(THIS->options, "transport.socket.bind-address", SLEN("transport.socket.bind-address"), &volfileserver) != 0) volfileserver = "localhost"; snprintf(logfile, sizeof(logfile), "%s/%s-replace-brick-mount.log", priv->logdir, volinfo->volname); if (!*logfile) { ret = -1; goto out; } runinit(&runner); runner_add_args(&runner, SBIN_DIR "/glusterfs", "-s", volfileserver, "--volfile-id", volinfo->volname, "--client-pid", pid, "-l", logfile, tmpmount, NULL); break; case GD_OP_ADD_BRICK: snprintf(logfile, sizeof(logfile), "%s/%s-add-brick-mount.log", priv->logdir, volinfo->volname); if (!*logfile) { ret = -1; goto out; } ret = glusterd_get_dummy_client_filepath(vpath, volinfo, volinfo->transport_type); if (ret) { gf_log("", GF_LOG_ERROR, "Failed to get " "volfile path"); goto out; } runinit(&runner); runner_add_args(&runner, SBIN_DIR "/glusterfs", "--volfile", vpath, "--client-pid", pid, "-l", logfile, tmpmount, NULL); break; default: break; } synclock_unlock(&priv->big_lock); ret = runner_run(&runner); if (ret) { gf_log(THIS->name, GF_LOG_ERROR, "mount command" " failed."); goto lock; } ret = sys_lsetxattr( tmpmount, (op == GD_OP_REPLACE_BRICK) ? GF_AFR_REPLACE_BRICK : GF_AFR_ADD_BRICK, brickinfo->brick_id, sizeof(brickinfo->brick_id), 0); if (ret == -1) gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_SETXATTR_FAIL, "Failed to set extended" " attribute %s : %s", (op == GD_OP_REPLACE_BRICK) ? GF_AFR_REPLACE_BRICK : GF_AFR_ADD_BRICK, strerror(errno)); gf_umount_lazy(THIS->name, tmpmount, 1); lock: synclock_lock(&priv->big_lock); out: if (pid) GF_FREE(pid); gf_msg_debug("glusterd", 0, "Returning with ret"); return ret; } void assign_brick_groups(glusterd_volinfo_t *volinfo) { glusterd_brickinfo_t *brickinfo = NULL; uint16_t group_num = 0; int in_group = 0; list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) { brickinfo->group = group_num; if (++in_group >= volinfo->replica_count) { in_group = 0; ++group_num; } } } glusterd_brickinfo_t * get_last_brick_of_brick_group(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo) { glusterd_brickinfo_t *next = NULL; glusterd_brickinfo_t *last = NULL; last = brickinfo; for (;;) { next = list_next(last, &volinfo->bricks, glusterd_brickinfo_t, brick_list); if (!next || (next->group != brickinfo->group)) { break; } last = next; } return last; } int glusterd_get_rb_dst_brickinfo(glusterd_volinfo_t *volinfo, glusterd_brickinfo_t **brickinfo) { int32_t ret = -1; if (!volinfo || !brickinfo) goto out; *brickinfo = volinfo->rep_brick.dst_brick; ret = 0; out: return ret; } int rb_update_dstbrick_port(glusterd_brickinfo_t *dst_brickinfo, dict_t *rsp_dict, dict_t *req_dict) { int ret = 0; int dict_ret = 0; int dst_port = 0; dict_ret = dict_get_int32n(req_dict, "dst-brick-port", SLEN("dst-brick-port"), &dst_port); if (!dict_ret) dst_brickinfo->port = dst_port; if (gf_is_local_addr(dst_brickinfo->hostname)) { gf_msg("glusterd", GF_LOG_INFO, 0, GD_MSG_BRK_PORT_NO_ADD_INDO, "adding dst-brick port no %d", dst_port); if (rsp_dict) { ret = dict_set_int32n(rsp_dict, "dst-brick-port", SLEN("dst-brick-port"), dst_brickinfo->port); if (ret) { gf_msg_debug("glusterd", 0, "Could not set dst-brick port no in rsp dict"); goto out; } } if (req_dict && !dict_ret) { ret = dict_set_int32n(req_dict, "dst-brick-port", SLEN("dst-brick-port"), dst_brickinfo->port); if (ret) { gf_msg_debug("glusterd", 0, "Could not set dst-brick port no"); goto out; } } } out: return ret; } int glusterd_brick_op_prerequisites(dict_t *dict, char **op, glusterd_op_t *gd_op, char **volname, glusterd_volinfo_t **volinfo, char **src_brick, glusterd_brickinfo_t **src_brickinfo, char *pidfile, char **op_errstr, dict_t *rsp_dict) { int ret = 0; char msg[2048] = ""; gsync_status_param_t param = { 0, }; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; glusterd_volinfo_t *v = NULL; glusterd_brickinfo_t *b = NULL; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); ret = dict_get_strn(dict, "operation", SLEN("operation"), op); if (ret) { gf_msg_debug(this->name, 0, "dict get on operation type failed"); goto out; } *gd_op = gd_cli_to_gd_op(*op); if (*gd_op < 0) goto out; ret = dict_get_strn(dict, "volname", SLEN("volname"), volname); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to get volume name"); goto out; } ret = glusterd_volinfo_find(*volname, volinfo); if (ret) { snprintf(msg, sizeof(msg), "volume: %s does not exist", *volname); *op_errstr = gf_strdup(msg); goto out; } if (GLUSTERD_STATUS_STARTED != (*volinfo)->status) { ret = -1; snprintf(msg, sizeof(msg), "volume: %s is not started", *volname); *op_errstr = gf_strdup(msg); goto out; } /* If geo-rep is configured, for this volume, it should be stopped. */ param.volinfo = *volinfo; ret = glusterd_check_geo_rep_running(¶m, op_errstr); if (ret || param.is_active) { ret = -1; goto out; } if (glusterd_is_defrag_on(*volinfo)) { snprintf(msg, sizeof(msg), "Volume name %s rebalance is in " "progress. Please retry after completion", *volname); gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_OIP_RETRY_LATER, "%s", msg); *op_errstr = gf_strdup(msg); ret = -1; goto out; } if (dict) { if (!glusterd_is_fuse_available()) { gf_msg(this->name, GF_LOG_ERROR, 0, (*gd_op == GD_OP_REPLACE_BRICK) ? GD_MSG_RB_CMD_FAIL : GD_MSG_RESET_BRICK_CMD_FAIL, "Unable to open /dev/" "fuse (%s), %s command failed", strerror(errno), gd_rb_op_to_str(*op)); snprintf(msg, sizeof(msg), "Fuse unavailable\n " "%s failed", gd_rb_op_to_str(*op)); *op_errstr = gf_strdup(msg); ret = -1; goto out; } } ret = dict_get_strn(dict, "src-brick", SLEN("src-brick"), src_brick); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to get src brick"); goto out; } gf_msg_debug(this->name, 0, "src brick=%s", *src_brick); ret = glusterd_volume_brickinfo_get_by_brick(*src_brick, *volinfo, src_brickinfo, _gf_false); if (ret) { snprintf(msg, sizeof(msg), "brick: %s does not exist in " "volume: %s", *src_brick, *volname); *op_errstr = gf_strdup(msg); goto out; } if (gf_is_local_addr((*src_brickinfo)->hostname)) { gf_msg_debug(this->name, 0, "I AM THE SOURCE HOST"); if ((*src_brickinfo)->port && rsp_dict) { ret = dict_set_int32n(rsp_dict, "src-brick-port", SLEN("src-brick-port"), (*src_brickinfo)->port); if (ret) { gf_msg_debug(this->name, 0, "Could not set src-brick-port=%d", (*src_brickinfo)->port); } } v = *volinfo; b = *src_brickinfo; GLUSTERD_GET_BRICK_PIDFILE(pidfile, v, b, priv); } ret = 0; out: return ret; } int glusterd_get_dst_brick_info(char **dst_brick, char *volname, char **op_errstr, glusterd_brickinfo_t **dst_brickinfo, char **host, dict_t *dict, char **dup_dstbrick) { char *path = NULL; char *c = NULL; char msg[2048] = ""; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; int ret = 0; this = THIS; GF_ASSERT(this); priv = this->private; GF_ASSERT(priv); ret = dict_get_strn(dict, "dst-brick", SLEN("dst-brick"), dst_brick); if (ret) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Unable to get dest brick."); goto out; } gf_msg_debug(this->name, 0, "dst brick=%s", *dst_brick); if (!glusterd_store_is_valid_brickpath(volname, *dst_brick) || !glusterd_is_valid_volfpath(volname, *dst_brick)) { snprintf(msg, sizeof(msg), "brick path %s is too " "long.", *dst_brick); gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRKPATH_TOO_LONG, "%s", msg); *op_errstr = gf_strdup(msg); ret = -1; goto out; } *dup_dstbrick = gf_strdup(*dst_brick); if (!*dup_dstbrick) { ret = -1; goto out; } /* * IPv4 address contains '.' and ipv6 addresses contains ':' * So finding the last occurrence of ':' to * mark the start of brick path */ c = strrchr(*dup_dstbrick, ':'); if (c != NULL) { c[0] = '\0'; *host = *dup_dstbrick; path = c++; } if (!host || !path) { gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BAD_FORMAT, "dst brick %s is not of " "form :", *dst_brick); ret = -1; goto out; } ret = glusterd_brickinfo_new_from_brick(*dst_brick, dst_brickinfo, _gf_true, NULL); if (ret) goto out; ret = 0; out: return ret; } int glusterd_get_volinfo_from_brick(char *brick, glusterd_volinfo_t **volinfo) { int ret = -1; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; glusterd_volinfo_t *voliter = NULL; glusterd_brickinfo_t *brickiter = NULL; glusterd_snap_t *snap = NULL; this = THIS; GF_VALIDATE_OR_GOTO("glusterd", this, out); conf = this->private; GF_VALIDATE_OR_GOTO(this->name, conf, out); /* First check for normal volumes */ cds_list_for_each_entry(voliter, &conf->volumes, vol_list) { cds_list_for_each_entry(brickiter, &voliter->bricks, brick_list) { if (gf_uuid_compare(brickiter->uuid, MY_UUID)) continue; if (!strcmp(brickiter->path, brick)) { *volinfo = voliter; return 0; } } } /* In case normal volume is not found, check for snapshot volumes */ cds_list_for_each_entry(snap, &conf->snapshots, snap_list) { cds_list_for_each_entry(voliter, &snap->volumes, vol_list) { cds_list_for_each_entry(brickiter, &voliter->bricks, brick_list) { if (gf_uuid_compare(brickiter->uuid, MY_UUID)) continue; if (!strcmp(brickiter->path, brick)) { *volinfo = voliter; return 0; } } } } out: return ret; } glusterd_op_t gd_cli_to_gd_op(char *cli_op) { if (!strcmp(cli_op, "GF_RESET_OP_START") || !strcmp(cli_op, "GF_RESET_OP_COMMIT") || !strcmp(cli_op, "GF_RESET_OP_COMMIT_FORCE")) { return GD_OP_RESET_BRICK; } if (!strcmp(cli_op, "GF_REPLACE_OP_COMMIT_FORCE")) return GD_OP_REPLACE_BRICK; return -1; } char * gd_rb_op_to_str(char *op) { if (!strcmp(op, "GF_RESET_OP_START")) return "reset-brick start"; if (!strcmp(op, "GF_RESET_OP_COMMIT")) return "reset-brick commit"; if (!strcmp(op, "GF_RESET_OP_COMMIT_FORCE")) return "reset-brick commit force"; if (!strcmp(op, "GF_REPLACE_OP_COMMIT_FORCE")) return "replace-brick commit force"; return NULL; } gf_boolean_t glusterd_is_profile_on(glusterd_volinfo_t *volinfo) { int ret = -1; gf_boolean_t is_latency_on = _gf_false; gf_boolean_t is_fd_stats_on = _gf_false; GF_ASSERT(volinfo); ret = glusterd_volinfo_get_boolean(volinfo, VKEY_DIAG_CNT_FOP_HITS); if (ret != -1) is_fd_stats_on = ret; ret = glusterd_volinfo_get_boolean(volinfo, VKEY_DIAG_LAT_MEASUREMENT); if (ret != -1) is_latency_on = ret; if ((_gf_true == is_latency_on) && (_gf_true == is_fd_stats_on)) return _gf_true; return _gf_false; } int32_t glusterd_add_shd_to_dict(glusterd_volinfo_t *volinfo, dict_t *dict, int32_t count) { int ret = -1; int32_t pid = -1; int32_t brick_online = -1; char key[64] = {0}; int keylen; char *pidfile = NULL; xlator_t *this = NULL; char *uuid_str = NULL; this = THIS; GF_VALIDATE_OR_GOTO(THIS->name, this, out); GF_VALIDATE_OR_GOTO(this->name, volinfo, out); GF_VALIDATE_OR_GOTO(this->name, dict, out); keylen = snprintf(key, sizeof(key), "brick%d.hostname", count); ret = dict_set_nstrn(dict, key, keylen, "Self-heal Daemon", SLEN("Self-heal Daemon")); if (ret) goto out; keylen = snprintf(key, sizeof(key), "brick%d.path", count); uuid_str = gf_strdup(uuid_utoa(MY_UUID)); if (!uuid_str) { ret = -1; goto out; } ret = dict_set_dynstrn(dict, key, keylen, uuid_str); if (ret) goto out; uuid_str = NULL; /* shd doesn't have a port. but the cli needs a port key with * a zero value to parse. * */ keylen = snprintf(key, sizeof(key), "brick%d.port", count); ret = dict_set_int32n(dict, key, keylen, 0); if (ret) goto out; pidfile = volinfo->shd.svc.proc.pidfile; brick_online = gf_is_service_running(pidfile, &pid); /* If shd is not running, then don't print the pid */ if (!brick_online) pid = -1; keylen = snprintf(key, sizeof(key), "brick%d.pid", count); ret = dict_set_int32n(dict, key, keylen, pid); if (ret) goto out; keylen = snprintf(key, sizeof(key), "brick%d.status", count); ret = dict_set_int32n(dict, key, keylen, brick_online); out: if (uuid_str) GF_FREE(uuid_str); if (ret) gf_msg(this ? this->name : "glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "Returning %d. adding values to dict failed", ret); return ret; }