/* Copyright (c) 2011-2012 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. */ #ifndef _CONFIG_H #define _CONFIG_H #include "config.h" #endif #ifdef HAVE_BD_XLATOR #include #endif #include "common-utils.h" #include "syscall.h" #include "cli1-xdr.h" #include "xdr-generic.h" #include "glusterd.h" #include "glusterd-op-sm.h" #include "glusterd-store.h" #include "glusterd-utils.h" #include "glusterd-volgen.h" #include "run.h" #define glusterd_op_start_volume_args_get(dict, volname, flags) \ glusterd_op_stop_volume_args_get (dict, volname, flags) int __glusterd_handle_create_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf_cli_req cli_req = {{0,}}; dict_t *dict = NULL; char *bricks = NULL; char *volname = NULL; int brick_count = 0; void *cli_rsp = NULL; char err_str[2048] = {0,}; gf_cli_rsp rsp = {0,}; xlator_t *this = NULL; char *free_ptr = NULL; char *trans_type = NULL; uuid_t volume_id = {0,}; uuid_t tmp_uuid = {0}; int32_t type = 0; char *username = NULL; char *password = NULL; GF_ASSERT (req); this = THIS; GF_ASSERT(this); ret = -1; ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); if (ret < 0) { req->rpc_err = GARBAGE_ARGS; snprintf (err_str, sizeof (err_str), "Failed to decode request " "received from cli"); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } gf_log (this->name, GF_LOG_DEBUG, "Received create volume req"); if (cli_req.dict.dict_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.dict.dict_val, cli_req.dict.dict_len, &dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); snprintf (err_str, sizeof (err_str), "Unable to decode " "the command"); goto out; } else { dict->extra_stdfree = cli_req.dict.dict_val; } } ret = dict_get_str (dict, "volname", &volname); if (ret) { snprintf (err_str, sizeof (err_str), "Unable to get volume " "name"); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } if ((ret = glusterd_check_volume_exists (volname))) { snprintf (err_str, sizeof (err_str), "Volume %s already exists", volname); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } ret = dict_get_int32 (dict, "count", &brick_count); if (ret) { snprintf (err_str, sizeof (err_str), "Unable to get brick count" " for volume %s", volname); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } ret = dict_get_int32 (dict, "type", &type); if (ret) { snprintf (err_str, sizeof (err_str), "Unable to get type of " "volume %s", volname); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } ret = dict_get_str (dict, "transport", &trans_type); if (ret) { snprintf (err_str, sizeof (err_str), "Unable to get " "transport-type of volume %s", volname); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } ret = dict_get_str (dict, "bricks", &bricks); if (ret) { snprintf (err_str, sizeof (err_str), "Unable to get bricks for " "volume %s", volname); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } if (!dict_get (dict, "force")) { gf_log (this->name, GF_LOG_ERROR, "Failed to get 'force' flag"); goto out; } uuid_generate (volume_id); free_ptr = gf_strdup (uuid_utoa (volume_id)); ret = dict_set_dynstr (dict, "volume-id", free_ptr); if (ret) { snprintf (err_str, sizeof (err_str), "Unable to set volume " "id of volume %s", volname); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } free_ptr = NULL; /* generate internal username and password */ uuid_generate (tmp_uuid); username = gf_strdup (uuid_utoa (tmp_uuid)); ret = dict_set_dynstr (dict, "internal-username", username); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to set username for " "volume %s", volname); goto out; } uuid_generate (tmp_uuid); password = gf_strdup (uuid_utoa (tmp_uuid)); ret = dict_set_dynstr (dict, "internal-password", password); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to set password for " "volume %s", volname); goto out; } ret = glusterd_op_begin_synctask (req, GD_OP_CREATE_VOLUME, dict); out: if (ret) { rsp.op_ret = -1; rsp.op_errno = 0; if (err_str[0] == '\0') snprintf (err_str, sizeof (err_str), "Operation failed"); rsp.op_errstr = err_str; cli_rsp = &rsp; glusterd_to_cli (req, cli_rsp, NULL, 0, NULL, (xdrproc_t)xdr_gf_cli_rsp, dict); ret = 0; //Client response sent, prevent second response } GF_FREE(free_ptr); return ret; } int glusterd_handle_create_volume (rpcsvc_request_t *req) { return glusterd_big_locked_handler (req, __glusterd_handle_create_volume); } int __glusterd_handle_cli_start_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf_cli_req cli_req = {{0,}}; char *volname = NULL; dict_t *dict = NULL; glusterd_op_t cli_op = GD_OP_START_VOLUME; char errstr[2048] = {0,}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); GF_ASSERT (req); ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); if (ret < 0) { snprintf (errstr, sizeof (errstr), "Failed to decode message " "received from cli"); req->rpc_err = GARBAGE_ARGS; gf_log (this->name, sizeof (errstr), "%s", errstr); goto out; } if (cli_req.dict.dict_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.dict.dict_val, cli_req.dict.dict_len, &dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); snprintf (errstr, sizeof (errstr), "Unable to decode " "the command"); goto out; } } ret = dict_get_str (dict, "volname", &volname); if (ret) { snprintf (errstr, sizeof (errstr), "Unable to get volume name"); gf_log (this->name, GF_LOG_ERROR, "%s", errstr); goto out; } gf_log (this->name, GF_LOG_DEBUG, "Received start vol req" " for volume %s", volname); ret = glusterd_op_begin_synctask (req, GD_OP_START_VOLUME, dict); out: free (cli_req.dict.dict_val); //its malloced by xdr if (ret) { if(errstr[0] == '\0') snprintf (errstr, sizeof (errstr), "Operation failed"); ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, dict, errstr); } return ret; } int glusterd_handle_cli_start_volume (rpcsvc_request_t *req) { return glusterd_big_locked_handler (req, __glusterd_handle_cli_start_volume); } int __glusterd_handle_cli_stop_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf_cli_req cli_req = {{0,}}; char *dup_volname = NULL; dict_t *dict = NULL; glusterd_op_t cli_op = GD_OP_STOP_VOLUME; xlator_t *this = NULL; char err_str[2048] = {0,}; this = THIS; GF_ASSERT (this); GF_ASSERT (req); ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); if (ret < 0) { snprintf (err_str, sizeof (err_str), "Failed to decode message " "received from cli"); req->rpc_err = GARBAGE_ARGS; gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } if (cli_req.dict.dict_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.dict.dict_val, cli_req.dict.dict_len, &dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); snprintf (err_str, sizeof (err_str), "Unable to decode " "the command"); goto out; } } ret = dict_get_str (dict, "volname", &dup_volname); if (ret) { snprintf (err_str, sizeof (err_str), "Failed to get volume " "name"); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } gf_log (this->name, GF_LOG_DEBUG, "Received stop vol req " "for volume %s", dup_volname); ret = glusterd_op_begin_synctask (req, GD_OP_STOP_VOLUME, dict); out: free (cli_req.dict.dict_val); //its malloced by xdr if (ret) { if (err_str[0] == '\0') snprintf (err_str, sizeof (err_str), "Operation failed"); ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, dict, err_str); } return ret; } int glusterd_handle_cli_stop_volume (rpcsvc_request_t *req) { return glusterd_big_locked_handler (req, __glusterd_handle_cli_stop_volume); } int __glusterd_handle_cli_delete_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf_cli_req cli_req = {{0,},}; glusterd_op_t cli_op = GD_OP_DELETE_VOLUME; dict_t *dict = NULL; char *volname = NULL; char err_str[2048]= {0,}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); GF_ASSERT (req); ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); if (ret < 0) { snprintf (err_str, sizeof (err_str), "Failed to decode request " "received from cli"); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); req->rpc_err = GARBAGE_ARGS; goto out; } if (cli_req.dict.dict_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.dict.dict_val, cli_req.dict.dict_len, &dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); snprintf (err_str, sizeof (err_str), "Unable to decode " "the command"); goto out; } } ret = dict_get_str (dict, "volname", &volname); if (ret) { snprintf (err_str, sizeof (err_str), "Failed to get volume " "name"); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); req->rpc_err = GARBAGE_ARGS; goto out; } gf_log (this->name, GF_LOG_DEBUG, "Received delete vol req" "for volume %s", volname); ret = glusterd_op_begin_synctask (req, GD_OP_DELETE_VOLUME, dict); out: free (cli_req.dict.dict_val); //its malloced by xdr if (ret) { if (err_str[0] == '\0') snprintf (err_str, sizeof (err_str), "Operation failed"); ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, dict, err_str); } return ret; } int glusterd_handle_cli_delete_volume (rpcsvc_request_t *req) { return glusterd_big_locked_handler (req, __glusterd_handle_cli_delete_volume); } int __glusterd_handle_cli_heal_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf_cli_req cli_req = {{0,}}; dict_t *dict = NULL; glusterd_op_t cli_op = GD_OP_HEAL_VOLUME; char *volname = NULL; glusterd_volinfo_t *volinfo = NULL; xlator_t *this = NULL; char op_errstr[2048] = {0,}; GF_ASSERT (req); ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); if (ret < 0) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } this = THIS; GF_ASSERT (this); if (cli_req.dict.dict_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.dict.dict_val, cli_req.dict.dict_len, &dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); snprintf (op_errstr, sizeof (op_errstr), "Unable to decode the command"); goto out; } else { dict->extra_stdfree = cli_req.dict.dict_val; } } ret = dict_get_str (dict, "volname", &volname); if (ret) { snprintf (op_errstr, sizeof (op_errstr), "Unable to find " "volume name"); gf_log (this->name, GF_LOG_ERROR, "%s", op_errstr); goto out; } gf_log (this->name, GF_LOG_INFO, "Received heal vol req " "for volume %s", volname); ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { snprintf (op_errstr, sizeof (op_errstr), "Volume %s does not exist", volname); gf_log (this->name, GF_LOG_ERROR, "%s", op_errstr); goto out; } ret = glusterd_add_bricks_hname_path_to_dict (dict, volinfo); if (ret) goto out; ret = dict_set_int32 (dict, "count", volinfo->brick_count); if (ret) goto out; ret = glusterd_op_begin_synctask (req, GD_OP_HEAL_VOLUME, dict); out: if (ret) { if (op_errstr[0] == '\0') snprintf (op_errstr, sizeof (op_errstr), "operation failed"); ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, dict, op_errstr); } return ret; } int glusterd_handle_cli_heal_volume (rpcsvc_request_t *req) { return glusterd_big_locked_handler (req, __glusterd_handle_cli_heal_volume); } int __glusterd_handle_cli_statedump_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf_cli_req cli_req = {{0,}}; char *volname = NULL; char *options = NULL; dict_t *dict = NULL; int32_t option_cnt = 0; glusterd_op_t cli_op = GD_OP_STATEDUMP_VOLUME; char err_str[2048] = {0,}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); GF_ASSERT (req); ret = -1; ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); if (ret < 0) { req->rpc_err = GARBAGE_ARGS; goto out; } if (cli_req.dict.dict_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.dict.dict_val, cli_req.dict.dict_len, &dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); snprintf (err_str, sizeof (err_str), "Unable to " "decode the command"); goto out; } } ret = dict_get_str (dict, "volname", &volname); if (ret) { snprintf (err_str, sizeof (err_str), "Unable to get the volume " "name"); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } ret = dict_get_str (dict, "options", &options); if (ret) { snprintf (err_str, sizeof (err_str), "Unable to get options"); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } ret = dict_get_int32 (dict, "option_cnt", &option_cnt); if (ret) { snprintf (err_str , sizeof (err_str), "Unable to get option " "count"); gf_log (this->name, GF_LOG_ERROR, "%s", err_str); goto out; } gf_log (this->name, GF_LOG_INFO, "Received statedump request for " "volume %s with options %s", volname, options); ret = glusterd_op_begin_synctask (req, GD_OP_STATEDUMP_VOLUME, dict); out: if (ret) { if (err_str[0] == '\0') snprintf (err_str, sizeof (err_str), "Operation failed"); ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, dict, err_str); } free (cli_req.dict.dict_val); return ret; } int glusterd_handle_cli_statedump_volume (rpcsvc_request_t *req) { return glusterd_big_locked_handler (req, __glusterd_handle_cli_statedump_volume); } #ifdef HAVE_BD_XLATOR /* * Validates if given VG in the brick exists or not. Also checks if VG has * GF_XATTR_VOL_ID_KEY tag set to avoid using same VG for multiple bricks. * Tag is checked only during glusterd_op_stage_create_volume. Tag is set during * glusterd_validate_and_create_brickpath(). * @brick - brick info, @check_tag - check for VG tag or not * @msg - Error message to return to caller */ int glusterd_is_valid_vg (glusterd_brickinfo_t *brick, int check_tag, char *msg) { lvm_t handle = NULL; vg_t vg = NULL; char *vg_name = NULL; int retval = 0; char *p = NULL; char *ptr = NULL; struct dm_list *dm_lvlist = NULL; struct dm_list *dm_seglist = NULL; struct lvm_lv_list *lv_list = NULL; struct lvm_property_value prop = {0, }; struct lvm_lvseg_list *seglist = NULL; struct dm_list *taglist = NULL; struct lvm_str_list *strl = NULL; handle = lvm_init (NULL); if (!handle) { sprintf (msg, "lvm_init failed, could not validate vg"); return -1; } if (*brick->vg == '\0') { /* BD xlator has vg in brick->path */ p = gf_strdup (brick->path); vg_name = strtok_r (p, "/", &ptr); } else vg_name = brick->vg; vg = lvm_vg_open (handle, vg_name, "r", 0); if (!vg) { sprintf (msg, "no such vg: %s", vg_name); retval = -1; goto out; } if (!check_tag) goto next; taglist = lvm_vg_get_tags (vg); if (!taglist) goto next; dm_list_iterate_items (strl, taglist) { if (!strncmp(strl->str, GF_XATTR_VOL_ID_KEY, strlen (GF_XATTR_VOL_ID_KEY))) { sprintf (msg, "VG %s is already part of" " a brick", vg_name); retval = -1; goto out; } } next: brick->caps = CAPS_BD | CAPS_OFFLOAD_COPY | CAPS_OFFLOAD_SNAPSHOT; dm_lvlist = lvm_vg_list_lvs (vg); if (!dm_lvlist) goto out; dm_list_iterate_items (lv_list, dm_lvlist) { dm_seglist = lvm_lv_list_lvsegs (lv_list->lv); dm_list_iterate_items (seglist, dm_seglist) { prop = lvm_lvseg_get_property (seglist->lvseg, "segtype"); if (!prop.is_valid || !prop.value.string) continue; if (!strcmp (prop.value.string, "thin-pool")) { brick->caps |= CAPS_THIN; gf_log (THIS->name, GF_LOG_INFO, "Thin Pool " "\"%s\" will be used for thin LVs", lvm_lv_get_name (lv_list->lv)); break; } } } retval = 0; out: if (vg) lvm_vg_close (vg); lvm_quit (handle); if (p) GF_FREE (p); return retval; } #endif /* op-sm */ int glusterd_op_stage_create_volume (dict_t *dict, char **op_errstr) { int ret = 0; char *volname = NULL; gf_boolean_t exists = _gf_false; char *bricks = NULL; char *brick_list = NULL; char *free_ptr = NULL; glusterd_brickinfo_t *brick_info = NULL; int32_t brick_count = 0; int32_t i = 0; char *brick = NULL; char *tmpptr = NULL; xlator_t *this = NULL; glusterd_conf_t *priv = NULL; char msg[2048] = {0}; uuid_t volume_uuid; char *volume_uuid_str; gf_boolean_t is_force = _gf_false; this = THIS; GF_ASSERT (this); priv = this->private; GF_ASSERT (priv); ret = dict_get_str (dict, "volname", &volname); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get volume name"); goto out; } exists = glusterd_check_volume_exists (volname); if (exists) { snprintf (msg, sizeof (msg), "Volume %s already exists", volname); ret = -1; goto out; } else { ret = 0; } ret = dict_get_int32 (dict, "count", &brick_count); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get brick count " "for volume %s", volname); goto out; } ret = dict_get_str (dict, "volume-id", &volume_uuid_str); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get volume id of " "volume %s", volname); goto out; } ret = uuid_parse (volume_uuid_str, volume_uuid); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to parse volume id of" " volume %s", volname); goto out; } ret = dict_get_str (dict, "bricks", &bricks); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get bricks for " "volume %s", volname); goto out; } is_force = dict_get_str_boolean (dict, "force", _gf_false); if (bricks) { brick_list = gf_strdup (bricks); if (!brick_list) { ret = -1; goto out; } else { free_ptr = brick_list; } } while ( i < brick_count) { i++; brick= strtok_r (brick_list, " \n", &tmpptr); brick_list = tmpptr; if (!glusterd_store_is_valid_brickpath (volname, brick) || !glusterd_is_valid_volfpath (volname, brick)) { snprintf (msg, sizeof (msg), "brick path %s is too " "long.", brick); ret = -1; goto out; } ret = glusterd_brickinfo_new_from_brick (brick, &brick_info); if (ret) goto out; ret = glusterd_new_brick_validate (brick, brick_info, msg, sizeof (msg)); if (ret) goto out; ret = glusterd_resolve_brick (brick_info); if (ret) { gf_log (this->name, GF_LOG_ERROR, FMTSTR_RESOLVE_BRICK, brick_info->hostname, brick_info->path); goto out; } if (!uuid_compare (brick_info->uuid, MY_UUID)) { #ifdef HAVE_BD_XLATOR if (brick_info->vg[0]) { ret = glusterd_is_valid_vg (brick_info, 1, msg); if (ret) goto out; } #endif ret = glusterd_validate_and_create_brickpath (brick_info, volume_uuid, op_errstr, is_force); if (ret) goto out; brick_list = tmpptr; } glusterd_brickinfo_delete (brick_info); brick_info = NULL; } out: GF_FREE (free_ptr); if (brick_info) glusterd_brickinfo_delete (brick_info); if (msg[0] != '\0') { gf_log (this->name, GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); } gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret); return ret; } int glusterd_op_stop_volume_args_get (dict_t *dict, char** volname, int *flags) { int ret = -1; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); if (!dict || !volname || !flags) goto out; ret = dict_get_str (dict, "volname", volname); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get volume name"); goto out; } ret = dict_get_int32 (dict, "flags", flags); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get flags"); goto out; } out: return ret; } int glusterd_op_statedump_volume_args_get (dict_t *dict, char **volname, char **options, int *option_cnt) { int ret = -1; if (!dict || !volname || !options || !option_cnt) goto out; ret = dict_get_str (dict, "volname", volname); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get volname"); goto out; } ret = dict_get_str (dict, "options", options); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get options"); goto out; } ret = dict_get_int32 (dict, "option_cnt", option_cnt); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get option count"); goto out; } out: return ret; } int glusterd_op_stage_start_volume (dict_t *dict, char **op_errstr) { int ret = 0; char *volname = NULL; int flags = 0; gf_boolean_t exists = _gf_false; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *brickinfo = NULL; char msg[2048]; glusterd_conf_t *priv = NULL; xlator_t *this = NULL; uuid_t volume_id = {0,}; char volid[50] = {0,}; char xattr_volid[50] = {0,}; int caps = 0; this = THIS; GF_ASSERT (this); priv = this->private; GF_ASSERT (priv); ret = glusterd_op_start_volume_args_get (dict, &volname, &flags); if (ret) goto out; exists = glusterd_check_volume_exists (volname); if (!exists) { snprintf (msg, sizeof (msg), FMTSTR_CHECK_VOL_EXISTS, volname); ret = -1; goto out; } ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { gf_log (this->name, GF_LOG_ERROR, FMTSTR_CHECK_VOL_EXISTS, volname); goto out; } ret = glusterd_validate_volume_id (dict, volinfo); if (ret) goto out; if (!(flags & GF_CLI_FLAG_OP_FORCE)) { if (glusterd_is_volume_started (volinfo)) { snprintf (msg, sizeof (msg), "Volume %s already " "started", volname); ret = -1; goto out; } } list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) { ret = glusterd_resolve_brick (brickinfo); if (ret) { gf_log (this->name, GF_LOG_ERROR, FMTSTR_RESOLVE_BRICK, brickinfo->hostname, brickinfo->path); goto out; } if (uuid_compare (brickinfo->uuid, MY_UUID)) continue; ret = gf_lstat_dir (brickinfo->path, NULL); if (ret && (flags & GF_CLI_FLAG_OP_FORCE)) { continue; } else if (ret) { snprintf (msg, sizeof (msg), "Failed to find " "brick directory %s for volume %s. " "Reason : %s", brickinfo->path, volname, strerror (errno)); goto out; } ret = sys_lgetxattr (brickinfo->path, GF_XATTR_VOL_ID_KEY, volume_id, 16); if (ret < 0 && (!(flags & GF_CLI_FLAG_OP_FORCE))) { snprintf (msg, sizeof (msg), "Failed to get " "extended attribute %s for brick dir %s. " "Reason : %s", GF_XATTR_VOL_ID_KEY, brickinfo->path, strerror (errno)); ret = -1; goto out; } else if (ret < 0) { ret = sys_lsetxattr (brickinfo->path, GF_XATTR_VOL_ID_KEY, volinfo->volume_id, 16, XATTR_CREATE); if (ret) { snprintf (msg, sizeof (msg), "Failed to set " "extended attribute %s on %s. Reason: " "%s", GF_XATTR_VOL_ID_KEY, brickinfo->path, strerror (errno)); goto out; } else { continue; } } if (uuid_compare (volinfo->volume_id, volume_id)) { snprintf (msg, sizeof (msg), "Volume id mismatch for " "brick %s:%s. Expected volume id %s, " "volume id %s found", brickinfo->hostname, brickinfo->path, uuid_utoa_r (volinfo->volume_id, volid), uuid_utoa_r (volume_id, xattr_volid)); ret = -1; goto out; } #ifdef HAVE_BD_XLATOR if (brickinfo->vg[0]) caps = CAPS_BD | CAPS_THIN | CAPS_OFFLOAD_COPY | CAPS_OFFLOAD_SNAPSHOT; /* Check for VG/thin pool if its BD volume */ if (brickinfo->vg[0]) { ret = glusterd_is_valid_vg (brickinfo, 0, msg); if (ret) goto out; /* if anyone of the brick does not have thin support, disable it for entire volume */ caps &= brickinfo->caps; } else caps = 0; #endif } volinfo->caps = caps; ret = 0; out: if (ret && (msg[0] != '\0')) { gf_log (this->name, GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); } return ret; } int glusterd_op_stage_stop_volume (dict_t *dict, char **op_errstr) { int ret = -1; char *volname = NULL; int flags = 0; gf_boolean_t exists = _gf_false; gf_boolean_t is_run = _gf_false; glusterd_volinfo_t *volinfo = NULL; char msg[2048] = {0}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); ret = glusterd_op_stop_volume_args_get (dict, &volname, &flags); if (ret) goto out; exists = glusterd_check_volume_exists (volname); if (!exists) { snprintf (msg, sizeof (msg), FMTSTR_CHECK_VOL_EXISTS, volname); gf_log (this->name, GF_LOG_ERROR, "%s", msg); ret = -1; goto out; } ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { snprintf (msg, sizeof (msg), FMTSTR_CHECK_VOL_EXISTS, volname); gf_log (this->name, GF_LOG_ERROR, "%s", msg); goto out; } ret = glusterd_validate_volume_id (dict, volinfo); if (ret) goto out; /* If 'force' flag is given, no check is required */ if (flags & GF_CLI_FLAG_OP_FORCE) goto out; if (_gf_false == glusterd_is_volume_started (volinfo)) { snprintf (msg, sizeof(msg), "Volume %s " "is not in the started state", volname); gf_log (this->name, GF_LOG_ERROR, "%s", msg); ret = -1; goto out; } ret = glusterd_check_gsync_running (volinfo, &is_run); if (ret && (is_run == _gf_false)) gf_log (this->name, GF_LOG_WARNING, "Unable to get the status" " of active "GEOREP" session"); if (is_run) { gf_log (this->name, GF_LOG_WARNING, GEOREP" sessions active" "for the volume %s ", volname); snprintf (msg, sizeof(msg), GEOREP" sessions are active " "for the volume '%s'.\nUse 'volume "GEOREP" " "status' command for more info. Use 'force' " "option to ignore and stop the volume.", volname); ret = -1; goto out; } if (glusterd_is_rb_ongoing (volinfo)) { snprintf (msg, sizeof (msg), "Replace brick is in progress on " "volume %s. Please retry after replace-brick " "operation is committed or aborted", volname); gf_log (this->name, GF_LOG_WARNING, "replace-brick in progress " "on volume %s", volname); ret = -1; goto out; } if (glusterd_is_defrag_on (volinfo)) { snprintf (msg, sizeof(msg), "rebalance session is " "in progress for the volume '%s'", volname); gf_log (this->name, GF_LOG_WARNING, "%s", msg); ret = -1; goto out; } if (volinfo->rep_brick.rb_status != GF_RB_STATUS_NONE) { snprintf (msg, sizeof(msg), "replace-brick session is " "in progress for the volume '%s'", volname); gf_log (this->name, GF_LOG_WARNING, "%s", msg); ret = -1; goto out; } out: if (msg[0] != 0) *op_errstr = gf_strdup (msg); gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret); return ret; } int glusterd_op_stage_delete_volume (dict_t *dict, char **op_errstr) { int ret = 0; char *volname = NULL; gf_boolean_t exists = _gf_false; glusterd_volinfo_t *volinfo = NULL; char msg[2048] = {0}; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); ret = dict_get_str (dict, "volname", &volname); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get volume name"); goto out; } exists = glusterd_check_volume_exists (volname); if (!exists) { snprintf (msg, sizeof (msg), FMTSTR_CHECK_VOL_EXISTS, volname); ret = -1; goto out; } else { ret = 0; } ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { snprintf (msg, sizeof (msg), FMTSTR_CHECK_VOL_EXISTS, volname); goto out; } ret = glusterd_validate_volume_id (dict, volinfo); if (ret) goto out; if (glusterd_is_volume_started (volinfo)) { snprintf (msg, sizeof (msg), "Volume %s has been started." "Volume needs to be stopped before deletion.", volname); ret = -1; goto out; } if (volinfo->snap_count > 0 || !list_empty(&volinfo->snap_volumes)) { snprintf (msg, sizeof (msg), "Cannot delete Volume %s ," "as it has %ld snapshots. " "To delete the volume, " "first delete all the snapshots under it.", volname, volinfo->snap_count); ret = -1; goto out; } ret = 0; out: if (msg[0] != '\0') { gf_log (this->name, GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); } gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret); return ret; } int glusterd_op_stage_heal_volume (dict_t *dict, char **op_errstr) { int ret = 0; char *volname = NULL; gf_boolean_t enabled = _gf_false; glusterd_volinfo_t *volinfo = NULL; char msg[2048]; glusterd_conf_t *priv = NULL; dict_t *opt_dict = NULL; gf_xl_afr_op_t heal_op = GF_AFR_OP_INVALID; xlator_t *this = NULL; this = THIS; priv = this->private; if (!priv) { ret = -1; gf_log (this->name, GF_LOG_ERROR, "priv is NULL"); goto out; } ret = dict_get_str (dict, "volname", &volname); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get volume name"); goto out; } ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { ret = -1; snprintf (msg, sizeof (msg), "Volume %s does not exist", volname); gf_log (this->name, GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } ret = glusterd_validate_volume_id (dict, volinfo); if (ret) goto out; if (!glusterd_is_volume_replicate (volinfo)) { ret = -1; snprintf (msg, sizeof (msg), "Volume %s is not of type " "replicate", volname); *op_errstr = gf_strdup (msg); gf_log (this->name, GF_LOG_WARNING, "%s", msg); goto out; } if (!glusterd_is_volume_started (volinfo)) { ret = -1; snprintf (msg, sizeof (msg), "Volume %s is not started.", volname); gf_log (THIS->name, GF_LOG_WARNING, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } opt_dict = volinfo->dict; if (!opt_dict) { ret = 0; goto out; } enabled = dict_get_str_boolean (opt_dict, "cluster.self-heal-daemon", 1); if (!enabled) { ret = -1; snprintf (msg, sizeof (msg), "Self-heal-daemon is " "disabled. Heal will not be triggered on volume %s", volname); gf_log (this->name, GF_LOG_WARNING, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } ret = dict_get_int32 (dict, "heal-op", (int32_t*)&heal_op); if (ret || (heal_op == GF_AFR_OP_INVALID)) { ret = -1; *op_errstr = gf_strdup("Invalid heal-op"); gf_log (this->name, GF_LOG_WARNING, "%s", "Invalid heal-op"); goto out; } switch (heal_op) { case GF_AFR_OP_INDEX_SUMMARY: case GF_AFR_OP_STATISTICS_HEAL_COUNT: case GF_AFR_OP_STATISTICS_HEAL_COUNT_PER_REPLICA: break; default: if (!glusterd_is_nodesvc_online("glustershd")){ ret = -1; *op_errstr = gf_strdup ("Self-heal daemon is " "not running. Check self-heal " "daemon log file."); gf_log (this->name, GF_LOG_WARNING, "%s", "Self-heal daemon is not running." "Check self-heal daemon log file."); goto out; } } ret = 0; out: gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int glusterd_op_stage_statedump_volume (dict_t *dict, char **op_errstr) { int ret = -1; char *volname = NULL; char *options = NULL; int option_cnt = 0; gf_boolean_t is_running = _gf_false; glusterd_volinfo_t *volinfo = NULL; char msg[2408] = {0,}; ret = glusterd_op_statedump_volume_args_get (dict, &volname, &options, &option_cnt); if (ret) goto out; ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { snprintf (msg, sizeof(msg), "Volume %s does not exist", volname); gf_log ("", GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } ret = glusterd_validate_volume_id (dict, volinfo); if (ret) goto out; is_running = glusterd_is_volume_started (volinfo); if (!is_running) { snprintf (msg, sizeof(msg), "Volume %s is not in a started" " state", volname); gf_log ("", GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); ret = -1; goto out; } out: gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int glusterd_op_stage_clearlocks_volume (dict_t *dict, char **op_errstr) { int ret = -1; char *volname = NULL; char *path = NULL; char *type = NULL; char *kind = NULL; glusterd_volinfo_t *volinfo = NULL; char msg[2048] = {0,}; ret = dict_get_str (dict, "volname", &volname); if (ret) { snprintf (msg, sizeof(msg), "Failed to get volume name"); gf_log (THIS->name, GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } ret = dict_get_str (dict, "path", &path); if (ret) { snprintf (msg, sizeof(msg), "Failed to get path"); gf_log (THIS->name, GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } ret = dict_get_str (dict, "kind", &kind); if (ret) { snprintf (msg, sizeof(msg), "Failed to get kind"); gf_log ("", GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } ret = dict_get_str (dict, "type", &type); if (ret) { snprintf (msg, sizeof(msg), "Failed to get type"); gf_log ("", GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { snprintf (msg, sizeof(msg), "Volume %s does not exist", volname); gf_log ("", GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } ret = glusterd_validate_volume_id (dict, volinfo); if (ret) goto out; if (!glusterd_is_volume_started (volinfo)) { snprintf (msg, sizeof(msg), "Volume %s is not started", volname); gf_log ("", GF_LOG_ERROR, "%s", msg); *op_errstr = gf_strdup (msg); goto out; } ret = 0; out: gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int glusterd_op_create_volume (dict_t *dict, char **op_errstr) { int ret = 0; char *volname = NULL; glusterd_conf_t *priv = NULL; glusterd_volinfo_t *volinfo = NULL; gf_boolean_t vol_added = _gf_false; glusterd_brickinfo_t *brickinfo = NULL; xlator_t *this = NULL; char *brick = NULL; int32_t count = 0; int32_t i = 1; char *bricks = NULL; char *brick_list = NULL; char *free_ptr = NULL; char *saveptr = NULL; char *trans_type = NULL; char *str = NULL; char *username = NULL; char *password = NULL; int caps = 0; char msg[1024] __attribute__((unused)) = {0, }; this = THIS; GF_ASSERT (this); priv = this->private; GF_ASSERT (priv); ret = glusterd_volinfo_new (&volinfo); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to allocate memory for volinfo"); goto out; } ret = dict_get_str (dict, "volname", &volname); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get volume name"); goto out; } strncpy (volinfo->volname, volname, GLUSTERD_MAX_VOLUME_NAME); GF_ASSERT (volinfo->volname); ret = dict_get_int32 (dict, "type", &volinfo->type); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get type of volume" " %s", volname); goto out; } ret = dict_get_int32 (dict, "count", &volinfo->brick_count); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get brick count of" " volume %s", volname); goto out; } ret = dict_get_int32 (dict, "port", &volinfo->port); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get port"); goto out; } count = volinfo->brick_count; ret = dict_get_str (dict, "bricks", &bricks); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get bricks for " "volume %s", volname); goto out; } /* replica-count 1 means, no replication, file is in one brick only */ volinfo->replica_count = 1; /* stripe-count 1 means, no striping, file is present as a whole */ volinfo->stripe_count = 1; if (GF_CLUSTER_TYPE_REPLICATE == volinfo->type) { ret = dict_get_int32 (dict, "replica-count", &volinfo->replica_count); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to get " "replica count for volume %s", volname); goto out; } } else if (GF_CLUSTER_TYPE_STRIPE == volinfo->type) { ret = dict_get_int32 (dict, "stripe-count", &volinfo->stripe_count); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to get stripe" " count for volume %s", volname); goto out; } } else if (GF_CLUSTER_TYPE_STRIPE_REPLICATE == volinfo->type) { ret = dict_get_int32 (dict, "stripe-count", &volinfo->stripe_count); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to get stripe" " count for volume %s", volname); goto out; } ret = dict_get_int32 (dict, "replica-count", &volinfo->replica_count); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to get " "replica count for volume %s", volname); goto out; } } /* dist-leaf-count is the count of brick nodes for a given subvolume of distribute */ volinfo->dist_leaf_count = glusterd_get_dist_leaf_count (volinfo); /* subvol_count is the count of number of subvolumes present for a given distribute volume */ volinfo->subvol_count = (volinfo->brick_count / volinfo->dist_leaf_count); /* Keep sub-count same as earlier, for the sake of backward compatibility */ if (volinfo->dist_leaf_count > 1) volinfo->sub_count = volinfo->dist_leaf_count; ret = dict_get_str (dict, "transport", &trans_type); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get transport type of volume %s", volname); goto out; } ret = dict_get_str (dict, "volume-id", &str); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get volume-id of volume %s", volname); goto out; } ret = uuid_parse (str, volinfo->volume_id); if (ret) { gf_log (this->name, GF_LOG_ERROR, "unable to parse uuid %s of volume %s", str, volname); goto out; } ret = dict_get_str (dict, "internal-username", &username); if (ret) { gf_log (this->name, GF_LOG_ERROR, "unable to get internal username of volume %s", volname); goto out; } glusterd_auth_set_username (volinfo, username); ret = dict_get_str (dict, "internal-password", &password); if (ret) { gf_log (this->name, GF_LOG_ERROR, "unable to get internal password of volume %s", volname); goto out; } glusterd_auth_set_password (volinfo, password); if (strcasecmp (trans_type, "rdma") == 0) { volinfo->transport_type = GF_TRANSPORT_RDMA; volinfo->nfs_transport_type = GF_TRANSPORT_RDMA; } else if (strcasecmp (trans_type, "tcp") == 0) { volinfo->transport_type = GF_TRANSPORT_TCP; volinfo->nfs_transport_type = GF_TRANSPORT_TCP; } else { volinfo->transport_type = GF_TRANSPORT_BOTH_TCP_RDMA; volinfo->nfs_transport_type = GF_DEFAULT_NFS_TRANSPORT; } if (bricks) { brick_list = gf_strdup (bricks); free_ptr = brick_list; } if (count) brick = strtok_r (brick_list+1, " \n", &saveptr); caps = CAPS_BD | CAPS_THIN | CAPS_OFFLOAD_COPY | CAPS_OFFLOAD_SNAPSHOT; while ( i <= count) { ret = glusterd_brickinfo_new_from_brick (brick, &brickinfo); if (ret) goto out; ret = glusterd_resolve_brick (brickinfo); if (ret) { gf_log (this->name, GF_LOG_ERROR, FMTSTR_RESOLVE_BRICK, brickinfo->hostname, brickinfo->path); goto out; } #ifdef HAVE_BD_XLATOR if (!uuid_compare (brickinfo->uuid, MY_UUID)) { if (brickinfo->vg[0]) { ret = glusterd_is_valid_vg (brickinfo, 0, msg); if (ret) { gf_log (this->name, GF_LOG_ERROR, "%s", msg); goto out; } /* if anyone of the brick does not have thin support, disable it for entire volume */ caps &= brickinfo->caps; } else caps = 0; } #endif list_add_tail (&brickinfo->brick_list, &volinfo->bricks); brick = strtok_r (NULL, " \n", &saveptr); i++; } gd_update_volume_op_versions (volinfo); volinfo->caps = caps; ret = glusterd_store_volinfo (volinfo, GLUSTERD_VOLINFO_VER_AC_INCREMENT); if (ret) { glusterd_store_delete_volume (volinfo); *op_errstr = gf_strdup ("Failed to store the Volume information"); goto out; } ret = glusterd_create_volfiles_and_notify_services (volinfo); if (ret) { *op_errstr = gf_strdup ("Failed to create volume files"); goto out; } volinfo->rebal.defrag_status = 0; list_add_tail (&volinfo->vol_list, &priv->volumes); vol_added = _gf_true; out: GF_FREE(free_ptr); if (!vol_added && volinfo) glusterd_volinfo_delete (volinfo); return ret; } int glusterd_op_start_volume (dict_t *dict, char **op_errstr) { int ret = 0; char *volname = NULL; int flags = 0; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *brickinfo = NULL; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); ret = glusterd_op_start_volume_args_get (dict, &volname, &flags); if (ret) goto out; ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { gf_log (this->name, GF_LOG_ERROR, FMTSTR_CHECK_VOL_EXISTS, volname); goto out; } list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) { ret = glusterd_brick_start (volinfo, brickinfo, _gf_true); /* If 'force' try to start all bricks regardless of success or * failure */ if (!(flags & GF_CLI_FLAG_OP_FORCE) && ret) goto out; } glusterd_set_volume_status (volinfo, GLUSTERD_STATUS_STARTED); ret = glusterd_store_volinfo (volinfo, GLUSTERD_VOLINFO_VER_AC_INCREMENT); if (ret) goto out; ret = glusterd_nodesvcs_handle_graph_change (volinfo); out: gf_log (this->name, GF_LOG_DEBUG, "returning %d ", ret); return ret; } int glusterd_stop_volume (glusterd_volinfo_t *volinfo) { int ret = -1; glusterd_brickinfo_t *brickinfo = NULL; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); GF_VALIDATE_OR_GOTO (this->name, volinfo, out); list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) { ret = glusterd_brick_stop (volinfo, brickinfo, _gf_false); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to stop " "brick (%s)", brickinfo->path); goto out; } } glusterd_set_volume_status (volinfo, GLUSTERD_STATUS_STOPPED); ret = glusterd_store_volinfo (volinfo, GLUSTERD_VOLINFO_VER_AC_INCREMENT); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to store volinfo of " "%s volume", volinfo->volname); goto out; } ret = glusterd_nodesvcs_handle_graph_change (volinfo); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to notify graph " "change for %s volume", volinfo->volname); goto out; } out: return ret; } int glusterd_op_stop_volume (dict_t *dict) { int ret = 0; int flags = 0; char *volname = NULL; glusterd_volinfo_t *volinfo = NULL; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); ret = glusterd_op_stop_volume_args_get (dict, &volname, &flags); if (ret) goto out; ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { gf_log (this->name, GF_LOG_ERROR, FMTSTR_CHECK_VOL_EXISTS, volname); goto out; } ret = glusterd_stop_volume (volinfo); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Failed to stop %s volume", volname); goto out; } out: return ret; } int glusterd_op_delete_volume (dict_t *dict) { int ret = 0; char *volname = NULL; glusterd_conf_t *priv = NULL; glusterd_volinfo_t *volinfo = NULL; xlator_t *this = NULL; this = THIS; GF_ASSERT (this); priv = this->private; GF_ASSERT (priv); ret = dict_get_str (dict, "volname", &volname); if (ret) { gf_log (this->name, GF_LOG_ERROR, "Unable to get volume name"); goto out; } ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { gf_log (this->name, GF_LOG_ERROR, FMTSTR_CHECK_VOL_EXISTS, volname); goto out; } ret = glusterd_delete_volume (volinfo); out: gf_log (this->name, GF_LOG_DEBUG, "returning %d", ret); return ret; } int glusterd_op_heal_volume (dict_t *dict, char **op_errstr) { int ret = 0; /* Necessary subtasks of heal are completed in brick op */ return ret; } int glusterd_op_statedump_volume (dict_t *dict, char **op_errstr) { int ret = 0; char *volname = NULL; char *options = NULL; int option_cnt = 0; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *brickinfo = NULL; ret = glusterd_op_statedump_volume_args_get (dict, &volname, &options, &option_cnt); if (ret) goto out; ret = glusterd_volinfo_find (volname, &volinfo); if (ret) goto out; gf_log ("", GF_LOG_DEBUG, "Performing statedump on volume %s", volname); if (strstr (options, "nfs") != NULL) { ret = glusterd_nfs_statedump (options, option_cnt, op_errstr); if (ret) goto out; } else { list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) { ret = glusterd_brick_statedump (volinfo, brickinfo, options, option_cnt, op_errstr); /* Let us take the statedump of other bricks instead of * exiting, if statedump of this brick fails. */ if (ret) gf_log (THIS->name, GF_LOG_WARNING, "could not " "take the statedump of the brick %s:%s." " Proceeding to other bricks", brickinfo->hostname, brickinfo->path); } } out: return ret; } int glusterd_clearlocks_send_cmd (glusterd_volinfo_t *volinfo, char *cmd, char *path, char *result, char *errstr, int err_len, char *mntpt) { int ret = -1; glusterd_conf_t *priv = NULL; char abspath[PATH_MAX] = {0, }; priv = THIS->private; snprintf (abspath, sizeof (abspath), "%s/%s", mntpt, path); ret = sys_lgetxattr (abspath, cmd, result, PATH_MAX); if (ret < 0) { snprintf (errstr, err_len, "clear-locks getxattr command " "failed. Reason: %s", strerror (errno)); gf_log (THIS->name, GF_LOG_DEBUG, "%s", errstr); goto out; } ret = 0; out: return ret; } int glusterd_clearlocks_rmdir_mount (glusterd_volinfo_t *volinfo, char *mntpt) { int ret = -1; glusterd_conf_t *priv = NULL; priv = THIS->private; ret = rmdir (mntpt); if (ret) { gf_log (THIS->name, GF_LOG_DEBUG, "rmdir failed"); goto out; } ret = 0; out: return ret; } void glusterd_clearlocks_unmount (glusterd_volinfo_t *volinfo, char *mntpt) { glusterd_conf_t *priv = NULL; runner_t runner = {0,}; int ret = 0; priv = THIS->private; /*umount failures are ignored. Using stat we could have avoided * attempting to unmount a non-existent filesystem. But a failure of * stat() on mount can be due to network failures.*/ runinit (&runner); runner_add_args (&runner, "/bin/umount", "-f", NULL); runner_argprintf (&runner, "%s", mntpt); synclock_unlock (&priv->big_lock); ret = runner_run (&runner); synclock_lock (&priv->big_lock); if (ret) { ret = 0; gf_log ("", GF_LOG_DEBUG, "umount failed on maintenance client"); } return; } int glusterd_clearlocks_create_mount (glusterd_volinfo_t *volinfo, char **mntpt) { int ret = -1; glusterd_conf_t *priv = NULL; char template[PATH_MAX] = {0,}; char *tmpl = NULL; priv = THIS->private; snprintf (template, sizeof (template), "/tmp/%s.XXXXXX", volinfo->volname); tmpl = mkdtemp (template); if (!tmpl) { gf_log (THIS->name, GF_LOG_DEBUG, "Couldn't create temporary " "mount directory. Reason %s", strerror (errno)); goto out; } *mntpt = gf_strdup (tmpl); ret = 0; out: return ret; } int glusterd_clearlocks_mount (glusterd_volinfo_t *volinfo, char **xl_opts, char *mntpt) { int ret = -1; int i = 0; glusterd_conf_t *priv = NULL; runner_t runner = {0,}; char client_volfpath[PATH_MAX] = {0,}; char self_heal_opts[3][1024] = {"*replicate*.data-self-heal=off", "*replicate*.metadata-self-heal=off", "*replicate*.entry-self-heal=off"}; priv = THIS->private; runinit (&runner); glusterd_get_trusted_client_filepath (client_volfpath, volinfo, volinfo->transport_type); runner_add_args (&runner, SBIN_DIR"/glusterfs", "-f", NULL); runner_argprintf (&runner, "%s", client_volfpath); runner_add_arg (&runner, "-l"); runner_argprintf (&runner, DEFAULT_LOG_FILE_DIRECTORY "/%s-clearlocks-mnt.log", volinfo->volname); if (volinfo->memory_accounting) runner_add_arg (&runner, "--mem-accounting"); for (i = 0; i < volinfo->brick_count && xl_opts[i]; i++) { runner_add_arg (&runner, "--xlator-option"); runner_argprintf (&runner, "%s", xl_opts[i]); } for (i = 0; i < 3; i++) { runner_add_args (&runner, "--xlator-option", self_heal_opts[i], NULL); } runner_argprintf (&runner, "%s", mntpt); synclock_unlock (&priv->big_lock); ret = runner_run (&runner); synclock_lock (&priv->big_lock); if (ret) { gf_log (THIS->name, GF_LOG_DEBUG, "Could not start glusterfs"); goto out; } gf_log (THIS->name, GF_LOG_DEBUG, "Started glusterfs successfully"); out: return ret; } int glusterd_clearlocks_get_local_client_ports (glusterd_volinfo_t *volinfo, char **xl_opts) { glusterd_brickinfo_t *brickinfo = NULL; glusterd_conf_t *priv = NULL; int index = 0; int ret = -1; int i = 0; int port = 0; GF_ASSERT (xl_opts); if (!xl_opts) { gf_log (THIS->name, GF_LOG_DEBUG, "Should pass non-NULL " "xl_opts"); goto out; } priv = THIS->private; index = -1; list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) { index++; if (uuid_compare (brickinfo->uuid, MY_UUID)) continue; port = pmap_registry_search (THIS, brickinfo->path, GF_PMAP_PORT_BRICKSERVER); if (!port) { ret = -1; gf_log (THIS->name, GF_LOG_DEBUG, "Couldn't get port " " for brick %s:%s", brickinfo->hostname, brickinfo->path); goto out; } ret = gf_asprintf (&xl_opts[i], "%s-client-%d.remote-port=%d", volinfo->volname, index, port); if (ret == -1) { xl_opts[i] = NULL; goto out; } i++; } ret = 0; out: return ret; } int glusterd_op_clearlocks_volume (dict_t *dict, char **op_errstr, dict_t *rsp_dict) { int32_t ret = -1; int i = 0; char *volname = NULL; char *path = NULL; char *kind = NULL; char *type = NULL; char *opts = NULL; char *cmd_str = NULL; char *free_ptr = NULL; char msg[PATH_MAX] = {0,}; char result[PATH_MAX] = {0,}; char *mntpt = NULL; char **xl_opts = NULL; glusterd_volinfo_t *volinfo = NULL; ret = dict_get_str (dict, "volname", &volname); if (ret) { gf_log (THIS->name, GF_LOG_ERROR, "Failed to get volume name"); goto out; } gf_log ("", GF_LOG_DEBUG, "Performing clearlocks on volume %s", volname); ret = dict_get_str (dict, "path", &path); if (ret) { gf_log (THIS->name, GF_LOG_ERROR, "Failed to get path"); goto out; } ret = dict_get_str (dict, "kind", &kind); if (ret) { gf_log (THIS->name, GF_LOG_ERROR, "Failed to get kind"); goto out; } ret = dict_get_str (dict, "type", &type); if (ret) { gf_log (THIS->name, GF_LOG_ERROR, "Failed to get type"); goto out; } ret = dict_get_str (dict, "opts", &opts); if (ret) ret = 0; gf_log (THIS->name, GF_LOG_INFO, "Received clear-locks request for " "volume %s with kind %s type %s and options %s", volname, kind, type, opts); if (opts) ret = gf_asprintf (&cmd_str, GF_XATTR_CLRLK_CMD".t%s.k%s.%s", type, kind, opts); else ret = gf_asprintf (&cmd_str, GF_XATTR_CLRLK_CMD".t%s.k%s", type, kind); if (ret == -1) goto out; ret = glusterd_volinfo_find (volname, &volinfo); if (ret) { snprintf (msg, sizeof (msg), "Volume %s doesn't exist.", volname); gf_log (THIS->name, GF_LOG_ERROR, "%s", msg); goto out; } xl_opts = GF_CALLOC (volinfo->brick_count+1, sizeof (char*), gf_gld_mt_charptr); if (!xl_opts) goto out; ret = glusterd_clearlocks_get_local_client_ports (volinfo, xl_opts); if (ret) { snprintf (msg, sizeof (msg), "Couldn't get port numbers of " "local bricks"); gf_log (THIS->name, GF_LOG_ERROR, "%s", msg); goto out; } ret = glusterd_clearlocks_create_mount (volinfo, &mntpt); if (ret) { snprintf (msg, sizeof (msg), "Creating mount directory " "for clear-locks failed."); gf_log (THIS->name, GF_LOG_ERROR, "%s", msg); goto out; } ret = glusterd_clearlocks_mount (volinfo, xl_opts, mntpt); if (ret) { snprintf (msg, sizeof (msg), "Failed to mount clear-locks " "maintenance client."); gf_log (THIS->name, GF_LOG_ERROR, "%s", msg); goto out; } ret = glusterd_clearlocks_send_cmd (volinfo, cmd_str, path, result, msg, sizeof (msg), mntpt); if (ret) { gf_log (THIS->name, GF_LOG_ERROR, "%s", msg); goto umount; } free_ptr = gf_strdup(result); if (dict_set_dynstr (rsp_dict, "lk-summary", free_ptr)) { GF_FREE (free_ptr); snprintf (msg, sizeof (msg), "Failed to set clear-locks " "result"); gf_log (THIS->name, GF_LOG_ERROR, "%s", msg); } umount: glusterd_clearlocks_unmount (volinfo, mntpt); if (glusterd_clearlocks_rmdir_mount (volinfo, mntpt)) gf_log (THIS->name, GF_LOG_WARNING, "Couldn't unmount " "clear-locks mount point"); out: if (ret) *op_errstr = gf_strdup (msg); if (xl_opts) { for (i = 0; i < volinfo->brick_count && xl_opts[i]; i++) GF_FREE (xl_opts[i]); GF_FREE (xl_opts); } GF_FREE (cmd_str); GF_FREE (mntpt); return ret; }