diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-volume-ops.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-volume-ops.c | 3033 |
1 files changed, 3033 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c new file mode 100644 index 00000000000..814ab14fb27 --- /dev/null +++ b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c @@ -0,0 +1,3033 @@ +/* + Copyright (c) 2011-2012 Red Hat, Inc. <http://www.redhat.com> + 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 <glusterfs/common-utils.h> +#include <glusterfs/syscall.h> +#include "cli1-xdr.h" +#include "xdr-generic.h" +#include "glusterd.h" +#include "glusterd-op-sm.h" +#include "glusterd-geo-rep.h" +#include "glusterd-store.h" +#include "glusterd-utils.h" +#include "glusterd-volgen.h" +#include "glusterd-messages.h" +#include <glusterfs/run.h> +#include "glusterd-snapshot-utils.h" +#include "glusterd-svc-mgmt.h" +#include "glusterd-svc-helper.h" +#include "glusterd-shd-svc.h" +#include "glusterd-snapd-svc.h" +#include "glusterd-mgmt.h" +#include "glusterd-server-quorum.h" + +#include <stdint.h> +#include <sys/socket.h> +#include <netdb.h> +#include <sys/types.h> +#include <netinet/in.h> +#include <stdlib.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; + int thin_arbiter_count = 0; + void *cli_rsp = NULL; + char err_str[2048] = { + 0, + }; + gf_cli_rsp rsp = { + 0, + }; + xlator_t *this = NULL; + glusterd_conf_t *conf = NULL; + char *free_ptr = NULL; + char *trans_type = NULL; + char *address_family_str = NULL; + uuid_t volume_id = { + 0, + }; + uuid_t tmp_uuid = {0}; + int32_t type = 0; + char *username = NULL; + char *password = NULL; +#ifdef IPV6_DEFAULT + char *addr_family = "inet6"; +#else + char *addr_family = "inet"; +#endif + glusterd_volinfo_t *volinfo = NULL; + + GF_ASSERT(req); + + this = THIS; + GF_ASSERT(this); + + conf = this->private; + GF_VALIDATE_OR_GOTO(this->name, conf, out); + + 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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_REQ_DECODE_FAIL, "%s", + err_str); + goto out; + } + + gf_msg_debug(this->name, 0, "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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_UNSERIALIZE_FAIL, + "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_strn(dict, "volname", SLEN("volname"), &volname); + + if (ret) { + snprintf(err_str, sizeof(err_str), + "Unable to get volume " + "name"); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + goto out; + } + + ret = glusterd_volinfo_find(volname, &volinfo); + if (!ret) { + ret = -1; + snprintf(err_str, sizeof(err_str), "Volume %s already exists", volname); + gf_msg(this->name, GF_LOG_ERROR, EEXIST, GD_MSG_VOL_ALREADY_EXIST, "%s", + err_str); + goto out; + } + + ret = dict_get_int32n(dict, "count", SLEN("count"), &brick_count); + if (ret) { + snprintf(err_str, sizeof(err_str), + "Unable to get brick count" + " for volume %s", + volname); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + goto out; + } + + ret = dict_get_int32n(dict, "type", SLEN("type"), &type); + if (ret) { + snprintf(err_str, sizeof(err_str), + "Unable to get type of " + "volume %s", + volname); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + goto out; + } + + ret = dict_get_strn(dict, "transport", SLEN("transport"), &trans_type); + if (ret) { + snprintf(err_str, sizeof(err_str), + "Unable to get " + "transport-type of volume %s", + volname); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + goto out; + } + + ret = dict_get_strn(this->options, "transport.address-family", + SLEN("transport.address-family"), &address_family_str); + + if (!ret) { + ret = dict_set_dynstr_with_alloc(dict, "transport.address-family", + address_family_str); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, + "failed to set transport.address-family"); + goto out; + } + } else if (!strcmp(trans_type, "tcp")) { + /* Setting default as inet for trans_type tcp if the op-version + * is >= 3.8.0 + */ + if (conf->op_version >= GD_OP_VERSION_3_8_0) { + ret = dict_set_dynstr_with_alloc(dict, "transport.address-family", + addr_family); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, + "failed to set " + "transport.address-family " + "to %s", + addr_family); + goto out; + } + } + } + ret = dict_get_strn(dict, "bricks", SLEN("bricks"), &bricks); + if (ret) { + snprintf(err_str, sizeof(err_str), + "Unable to get bricks for " + "volume %s", + volname); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + goto out; + } + + ret = dict_get_int32n(dict, "thin-arbiter-count", + SLEN("thin-arbiter-count"), &thin_arbiter_count); + if (thin_arbiter_count && conf->op_version < GD_OP_VERSION_7_0) { + snprintf(err_str, sizeof(err_str), + "Cannot execute command. " + "The cluster is operating at version %d. " + "Thin-arbiter volume creation is unavailable in " + "this version", + conf->op_version); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_GLUSTERD_OP_FAILED, "%s", + err_str); + ret = -1; + goto out; + } + + if (!dict_getn(dict, "force", SLEN("force"))) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Failed to get 'force' flag"); + goto out; + } + + gf_uuid_generate(volume_id); + free_ptr = gf_strdup(uuid_utoa(volume_id)); + ret = dict_set_dynstrn(dict, "volume-id", SLEN("volume-id"), free_ptr); + if (ret) { + snprintf(err_str, sizeof(err_str), + "Unable to set volume " + "id of volume %s", + volname); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, "%s", + err_str); + goto out; + } + free_ptr = NULL; + + /* generate internal username and password */ + + gf_uuid_generate(tmp_uuid); + username = gf_strdup(uuid_utoa(tmp_uuid)); + ret = dict_set_dynstrn(dict, "internal-username", SLEN("internal-username"), + username); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "Failed to set username for " + "volume %s", + volname); + goto out; + } + + gf_uuid_generate(tmp_uuid); + password = gf_strdup(uuid_utoa(tmp_uuid)); + ret = dict_set_dynstrn(dict, "internal-password", SLEN("internal-password"), + password); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "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; + glusterd_conf_t *conf = NULL; + + this = THIS; + GF_ASSERT(this); + GF_ASSERT(req); + + conf = this->private; + GF_ASSERT(conf); + 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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_REQ_DECODE_FAIL, "%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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_UNSERIALIZE_FAIL, + "failed to " + "unserialize req-buffer to dictionary"); + snprintf(errstr, sizeof(errstr), + "Unable to decode " + "the command"); + goto out; + } + } + + ret = dict_get_strn(dict, "volname", SLEN("volname"), &volname); + if (ret) { + snprintf(errstr, sizeof(errstr), "Unable to get volume name"); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + errstr); + goto out; + } + + gf_msg_debug(this->name, 0, + "Received start vol req" + " for volume %s", + volname); + + if (conf->op_version <= GD_OP_VERSION_3_7_6) { + gf_msg_debug(this->name, 0, + "The cluster is operating at " + "version less than or equal to %d. Volume start " + "falling back to syncop framework.", + GD_OP_VERSION_3_7_6); + ret = glusterd_op_begin_synctask(req, GD_OP_START_VOLUME, dict); + } else { + ret = glusterd_mgmt_v3_initiate_all_phases(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[64] = { + 0, + }; + glusterd_conf_t *conf = NULL; + + this = THIS; + GF_ASSERT(this); + GF_ASSERT(req); + conf = this->private; + GF_ASSERT(conf); + + 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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_REQ_DECODE_FAIL, "%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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_UNSERIALIZE_FAIL, + "failed to " + "unserialize req-buffer to dictionary"); + snprintf(err_str, sizeof(err_str), + "Unable to decode " + "the command"); + goto out; + } + } + + ret = dict_get_strn(dict, "volname", SLEN("volname"), &dup_volname); + + if (ret) { + snprintf(err_str, sizeof(err_str), + "Failed to get volume " + "name"); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + goto out; + } + + gf_msg_debug(this->name, 0, + "Received stop vol req " + "for volume %s", + dup_volname); + + if (conf->op_version < GD_OP_VERSION_4_1_0) { + gf_msg_debug(this->name, 0, + "The cluster is operating at " + "version less than %d. Volume start " + "falling back to syncop framework.", + GD_OP_VERSION_4_1_0); + ret = glusterd_op_begin_synctask(req, GD_OP_STOP_VOLUME, dict); + } else { + ret = glusterd_mgmt_v3_initiate_all_phases(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[64] = { + 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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_REQ_DECODE_FAIL, "%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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_UNSERIALIZE_FAIL, + "failed to " + "unserialize req-buffer to dictionary"); + snprintf(err_str, sizeof(err_str), + "Unable to decode " + "the command"); + goto out; + } + } + + ret = dict_get_strn(dict, "volname", SLEN("volname"), &volname); + if (ret) { + snprintf(err_str, sizeof(err_str), + "Failed to get volume " + "name"); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + gf_msg_debug(this->name, 0, + "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); +} +static int +glusterd_handle_heal_options_enable_disable(rpcsvc_request_t *req, dict_t *dict, + glusterd_volinfo_t *volinfo) +{ + gf_xl_afr_op_t heal_op = GF_SHD_OP_INVALID; + int ret = 0; + char *key = NULL; + char *value = NULL; + xlator_t *this = THIS; + GF_ASSERT(this); + + ret = dict_get_int32n(dict, "heal-op", SLEN("heal-op"), + (int32_t *)&heal_op); + if (ret || (heal_op == GF_SHD_OP_INVALID)) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_GET_FAILED, + "Key=heal-op", NULL); + ret = -1; + goto out; + } + + if ((heal_op != GF_SHD_OP_HEAL_ENABLE) && + (heal_op != GF_SHD_OP_HEAL_DISABLE) && + (heal_op != GF_SHD_OP_GRANULAR_ENTRY_HEAL_ENABLE) && + (heal_op != GF_SHD_OP_GRANULAR_ENTRY_HEAL_DISABLE)) { + ret = -EINVAL; + goto out; + } + + if (((heal_op == GF_SHD_OP_GRANULAR_ENTRY_HEAL_ENABLE) || + (heal_op == GF_SHD_OP_GRANULAR_ENTRY_HEAL_DISABLE)) && + (volinfo->type == GF_CLUSTER_TYPE_DISPERSE)) { + ret = -1; + goto out; + } + + if ((heal_op == GF_SHD_OP_HEAL_ENABLE) || + (heal_op == GF_SHD_OP_GRANULAR_ENTRY_HEAL_ENABLE)) { + value = "enable"; + } else if ((heal_op == GF_SHD_OP_HEAL_DISABLE) || + (heal_op == GF_SHD_OP_GRANULAR_ENTRY_HEAL_DISABLE)) { + value = "disable"; + } + + if ((heal_op == GF_SHD_OP_HEAL_ENABLE) || + (heal_op == GF_SHD_OP_HEAL_DISABLE)) { + key = volgen_get_shd_key(volinfo->type); + if (!key) { + ret = -1; + goto out; + } + } else { + key = "cluster.granular-entry-heal"; + ret = dict_set_int8(dict, "is-special-key", 1); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, + "Key=is-special-key", NULL); + goto out; + } + } + + ret = dict_set_strn(dict, "key1", SLEN("key1"), key); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, + "Key=key1", NULL); + goto out; + } + + ret = dict_set_strn(dict, "value1", SLEN("value1"), value); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, + "Key=value1", NULL); + goto out; + } + + ret = dict_set_int32n(dict, "count", SLEN("count"), 1); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, + "Key=count", NULL); + goto out; + } + + ret = glusterd_op_begin_synctask(req, GD_OP_SET_VOLUME, dict); + +out: + return ret; +} + +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, + }; + + 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) { + // failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_GARBAGE_ARGS, NULL); + 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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_UNSERIALIZE_FAIL, + "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_strn(dict, "volname", SLEN("volname"), &volname); + if (ret) { + snprintf(op_errstr, sizeof(op_errstr), + "Unable to find " + "volume name"); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + op_errstr); + goto out; + } + + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_HEAL_VOL_REQ_RCVD, + "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); + goto out; + } + + ret = glusterd_handle_heal_options_enable_disable(req, dict, volinfo); + if (ret == -EINVAL) { + ret = 0; + } else { + /* + * If the return value is -ve but not -EINVAL then the command + * failed. If the return value is 0 then the synctask for the + * op has begun, so in both cases just 'goto out'. If there was + * a failure it will respond with an error, otherwise the + * synctask will take the responsibility of sending the + * response. + */ + goto out; + } + + ret = glusterd_add_bricks_hname_path_to_dict(dict, volinfo); + if (ret) + goto out; + + ret = dict_set_int32n(dict, "count", SLEN("count"), volinfo->brick_count); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, + "Key=count", NULL); + 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"); + gf_msg((this ? this->name : "glusterd"), GF_LOG_ERROR, 0, + GD_MSG_GLUSTERD_OP_FAILED, "%s", op_errstr); + 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[128] = { + 0, + }; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + + this = THIS; + GF_ASSERT(this); + priv = this->private; + GF_ASSERT(priv); + + 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; + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_GARBAGE_ARGS, NULL); + 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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_UNSERIALIZE_FAIL, + "failed to " + "unserialize req-buffer to dictionary"); + snprintf(err_str, sizeof(err_str), + "Unable to " + "decode the command"); + goto out; + } + } + ret = dict_get_strn(dict, "volname", SLEN("volname"), &volname); + if (ret) { + snprintf(err_str, sizeof(err_str), "Unable to get the volume name"); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + goto out; + } + + ret = dict_get_strn(dict, "options", SLEN("options"), &options); + if (ret) { + snprintf(err_str, sizeof(err_str), "Unable to get options"); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + goto out; + } + + ret = dict_get_int32n(dict, "option_cnt", SLEN("option_cnt"), &option_cnt); + if (ret) { + snprintf(err_str, sizeof(err_str), + "Unable to get option " + "count"); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", + err_str); + goto out; + } + + if (priv->op_version == GD_OP_VERSION_MIN && strstr(options, "quotad")) { + snprintf(err_str, sizeof(err_str), + "The cluster is operating " + "at op-version 1. Taking quotad's statedump is " + "disallowed in this state"); + ret = -1; + goto out; + } + + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_STATEDUMP_VOL_REQ_RCVD, + "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); +} + +/* op-sm */ +int +glusterd_op_stage_create_volume(dict_t *dict, char **op_errstr, + dict_t *rsp_dict) +{ + int ret = 0; + char *volname = NULL; + char *bricks = NULL; + char *brick_list = NULL; + char *free_ptr = NULL; + char key[64] = ""; + glusterd_brickinfo_t *brick_info = NULL; + int32_t brick_count = 0; + int32_t local_brick_count = 0; + int32_t i = 0; + int32_t type = 0; + int32_t replica_count = 0; + int32_t disperse_count = 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; + glusterd_volinfo_t *volinfo = NULL; + + this = THIS; + GF_ASSERT(this); + priv = this->private; + GF_ASSERT(priv); + GF_ASSERT(rsp_dict); + + 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 already exists", volname); + ret = -1; + goto out; + } + + ret = dict_get_int32n(dict, "count", SLEN("count"), &brick_count); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Unable to get brick count " + "for volume %s", + volname); + goto out; + } + + ret = dict_get_strn(dict, "volume-id", SLEN("volume-id"), &volume_uuid_str); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Unable to get volume id of " + "volume %s", + volname); + goto out; + } + + ret = gf_uuid_parse(volume_uuid_str, volume_uuid); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_UUID_PARSE_FAIL, + "Unable to parse volume id of" + " volume %s", + volname); + goto out; + } + + ret = dict_get_strn(dict, "bricks", SLEN("bricks"), &bricks); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "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; + } + } + + /*Check brick order if the volume type is replicate or disperse. If + * force at the end of command not given then check brick order. + */ + if (is_origin_glusterd(dict)) { + ret = dict_get_int32n(dict, "type", SLEN("type"), &type); + if (ret) { + snprintf(msg, sizeof(msg), + "Unable to get type of " + "volume %s", + volname); + gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_DICT_GET_FAILED, "%s", + msg); + goto out; + } + + if (!is_force) { + if (type == GF_CLUSTER_TYPE_REPLICATE) { + ret = dict_get_int32n(dict, "replica-count", + SLEN("replica-count"), &replica_count); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Bricks check : Could" + " not retrieve replica count"); + goto out; + } + gf_msg_debug(this->name, 0, + "Replicate cluster type " + "found. Checking brick order."); + ret = glusterd_check_brick_order(dict, msg, type, &volname, + &bricks, &brick_count, + replica_count); + } else if (type == GF_CLUSTER_TYPE_DISPERSE) { + ret = dict_get_int32n(dict, "disperse-count", + SLEN("disperse-count"), &disperse_count); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Bricks check : Could" + " not retrieve disperse count"); + goto out; + } + gf_msg_debug(this->name, 0, + "Disperse cluster type" + " found. Checking brick order."); + ret = glusterd_check_brick_order(dict, msg, type, &volname, + &bricks, &brick_count, + disperse_count); + } + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BAD_BRKORDER, + "Not creating the volume because of " + "bad brick order. %s", + msg); + *op_errstr = gf_strdup(msg); + goto out; + } + } + } + + while (i < brick_count) { + i++; + brick = strtok_r(brick_list, " \n", &tmpptr); + brick_list = tmpptr; + + if (!glusterd_store_is_valid_brickpath(volname, brick)) { + snprintf(msg, sizeof(msg), + "brick path %s is too " + "long.", + brick); + ret = -1; + goto out; + } + + if (!glusterd_is_valid_volfpath(volname, brick)) { + snprintf(msg, sizeof(msg), + "Volume file path for " + "volume %s and brick path %s is too long.", + volname, brick); + ret = -1; + goto out; + } + + ret = glusterd_brickinfo_new_from_brick(brick, &brick_info, _gf_true, + op_errstr); + if (ret) + goto out; + + ret = glusterd_new_brick_validate(brick, brick_info, msg, sizeof(msg), + NULL); + if (ret) + goto out; + + ret = glusterd_resolve_brick(brick_info); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_RESOLVE_BRICK_FAIL, + FMTSTR_RESOLVE_BRICK, brick_info->hostname, + brick_info->path); + goto out; + } + + if (!gf_uuid_compare(brick_info->uuid, MY_UUID)) { + ret = glusterd_validate_and_create_brickpath( + brick_info, volume_uuid, volname, op_errstr, is_force, + _gf_false); + if (ret) + goto out; + + /* A bricks mount dir is required only by snapshots which were + * introduced in gluster-3.6.0 + */ + if (priv->op_version >= GD_OP_VERSION_3_6_0) { + ret = glusterd_get_brick_mount_dir(brick_info->path, + brick_info->hostname, + brick_info->mount_dir); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, + GD_MSG_BRICK_MOUNTDIR_GET_FAIL, + "Failed to get brick mount_dir"); + goto out; + } + + snprintf(key, sizeof(key), "brick%d.mount_dir", i); + ret = dict_set_dynstr_with_alloc(rsp_dict, key, + brick_info->mount_dir); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "Failed to set %s", key); + goto out; + } + } + local_brick_count = i; + + brick_list = tmpptr; + } + glusterd_brickinfo_delete(brick_info); + brick_info = NULL; + } + + ret = dict_set_int32n(rsp_dict, "brick_count", SLEN("brick_count"), + local_brick_count); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "Failed to set local_brick_count"); + goto out; + } +out: + GF_FREE(free_ptr); + if (brick_info) + glusterd_brickinfo_delete(brick_info); + + if (msg[0] != '\0') { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_OP_STAGE_CREATE_VOL_FAIL, + "%s", msg); + *op_errstr = gf_strdup(msg); + } + gf_msg_debug(this->name, 0, "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) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_INVALID_ARGUMENT, NULL); + goto out; + } + + if (!volname) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_INVALID_ARGUMENT, NULL); + goto out; + } + + if (!flags) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_INVALID_ARGUMENT, NULL); + goto out; + } + + ret = dict_get_strn(dict, "volname", SLEN("volname"), volname); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Key=volname", NULL); + goto out; + } + + ret = dict_get_int32n(dict, "flags", SLEN("flags"), flags); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Key=flags", NULL); + 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) { + gf_smsg("glusterd", GF_LOG_ERROR, errno, GD_MSG_INVALID_ARGUMENT, NULL); + goto out; + } + + ret = dict_get_strn(dict, "volname", SLEN("volname"), volname); + if (ret) { + gf_smsg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Key=volname", NULL); + goto out; + } + + ret = dict_get_strn(dict, "options", SLEN("options"), options); + if (ret) { + gf_smsg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Key=options", NULL); + goto out; + } + + ret = dict_get_int32n(dict, "option_cnt", SLEN("option_cnt"), option_cnt); + if (ret) { + gf_smsg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Key=option_cnt", NULL); + goto out; + } + +out: + return ret; +} + +int +glusterd_op_stage_start_volume(dict_t *dict, char **op_errstr, dict_t *rsp_dict) +{ + int ret = 0; + char *volname = NULL; + char key[64] = ""; + int flags = 0; + int32_t brick_count = 0; + int32_t local_brick_count = 0; + glusterd_volinfo_t *volinfo = NULL; + glusterd_brickinfo_t *brickinfo = NULL; + char msg[2048] = { + 0, + }; + glusterd_conf_t *priv = NULL; + xlator_t *this = NULL; + uuid_t volume_id = { + 0, + }; + char volid[50] = { + 0, + }; + char xattr_volid[50] = { + 0, + }; + int32_t len = 0; + + this = THIS; + GF_ASSERT(this); + priv = this->private; + GF_ASSERT(priv); + GF_ASSERT(rsp_dict); + + ret = glusterd_op_start_volume_args_get(dict, &volname, &flags); + if (ret) + goto out; + + ret = glusterd_volinfo_find(volname, &volinfo); + if (ret) { + snprintf(msg, sizeof(msg), FMTSTR_CHECK_VOL_EXISTS, volname); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_GET_FAIL, + FMTSTR_CHECK_VOL_EXISTS, volname); + goto out; + } + + /* This is an incremental approach to have all the volinfo objects ref + * count. The first attempt is made in volume start transaction to + * ensure it doesn't race with import volume where stale volume is + * deleted. There are multiple instances of GlusterD crashing in + * bug-948686.t because of this. Once this approach is full proof, all + * other volinfo objects will be refcounted. + */ + glusterd_volinfo_ref(volinfo); + + if (priv->op_version > GD_OP_VERSION_3_7_5) { + ret = glusterd_validate_quorum(this, GD_OP_START_VOLUME, dict, + op_errstr); + if (ret) { + gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_SERVER_QUORUM_NOT_MET, + "Server quorum not met. Rejecting operation."); + 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; + } + } + + cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) + { + brick_count++; + 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); + goto out; + } + + if ((gf_uuid_compare(brickinfo->uuid, MY_UUID)) || + (brickinfo->snap_status == -1)) + continue; + + ret = gf_lstat_dir(brickinfo->path, NULL); + if (ret && (flags & GF_CLI_FLAG_OP_FORCE)) { + continue; + } else if (ret) { + len = snprintf(msg, sizeof(msg), + "Failed to find " + "brick directory %s for volume %s. " + "Reason : %s", + brickinfo->path, volname, strerror(errno)); + if (len < 0) { + strcpy(msg, "<error>"); + } + goto out; + } + ret = sys_lgetxattr(brickinfo->path, GF_XATTR_VOL_ID_KEY, volume_id, + 16); + if (ret < 0 && (!(flags & GF_CLI_FLAG_OP_FORCE))) { + len = 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)); + if (len < 0) { + strcpy(msg, "<error>"); + } + 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 == -1) { + len = snprintf(msg, sizeof(msg), + "Failed to " + "set extended attribute %s on " + "%s. Reason: %s", + GF_XATTR_VOL_ID_KEY, brickinfo->path, + strerror(errno)); + if (len < 0) { + strcpy(msg, "<error>"); + } + goto out; + } else { + continue; + } + } + if (gf_uuid_compare(volinfo->volume_id, volume_id)) { + len = 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)); + if (len < 0) { + strcpy(msg, "<error>"); + } + ret = -1; + goto out; + } + + /* A bricks mount dir is required only by snapshots which were + * introduced in gluster-3.6.0 + */ + if (priv->op_version >= GD_OP_VERSION_3_6_0) { + if (strlen(brickinfo->mount_dir) < 1) { + ret = glusterd_get_brick_mount_dir( + brickinfo->path, brickinfo->hostname, brickinfo->mount_dir); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, + GD_MSG_BRICK_MOUNTDIR_GET_FAIL, + "Failed to get brick mount_dir"); + goto out; + } + + snprintf(key, sizeof(key), "brick%d.mount_dir", brick_count); + ret = dict_set_dynstr_with_alloc(rsp_dict, key, + brickinfo->mount_dir); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "Failed to set %s", key); + goto out; + } + local_brick_count = brick_count; + } + } + } + + ret = dict_set_int32n(rsp_dict, "brick_count", SLEN("brick_count"), + local_brick_count); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "Failed to set local_brick_count"); + goto out; + } + + ret = 0; +out: + if (volinfo) + glusterd_volinfo_unref(volinfo); + + if (ret && (msg[0] != '\0')) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_OP_STAGE_START_VOL_FAIL, + "%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; + glusterd_volinfo_t *volinfo = NULL; + char msg[2048] = {0}; + xlator_t *this = NULL; + gsync_status_param_t param = { + 0, + }; + + this = THIS; + GF_ASSERT(this); + + ret = glusterd_op_stop_volume_args_get(dict, &volname, &flags); + if (ret) { + snprintf(msg, sizeof(msg), "Failed to get details of volume %s", + volname); + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_STOP_ARGS_GET_FAILED, + "Volume name=%s", volname, NULL); + goto out; + } + + ret = glusterd_volinfo_find(volname, &volinfo); + if (ret) { + snprintf(msg, sizeof(msg), FMTSTR_CHECK_VOL_EXISTS, volname); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_GET_FAIL, "%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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_STARTED, "%s", msg); + ret = -1; + 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; + } + + ret = glusterd_check_ganesha_export(volinfo); + if (ret) { + ret = ganesha_manage_export(dict, "off", _gf_false, op_errstr); + if (ret) { + gf_msg(THIS->name, GF_LOG_WARNING, 0, + GD_MSG_NFS_GNS_UNEXPRT_VOL_FAIL, + "Could not " + "unexport volume via NFS-Ganesha"); + ret = 0; + } + } + + if (glusterd_is_defrag_on(volinfo)) { + snprintf(msg, sizeof(msg), + "rebalance session is " + "in progress for the volume '%s'", + volname); + gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_OIP, "%s", msg); + ret = -1; + goto out; + } + +out: + if (msg[0] != 0) + *op_errstr = gf_strdup(msg); + gf_msg_debug(this->name, 0, "Returning %d", ret); + + return ret; +} + +int +glusterd_op_stage_delete_volume(dict_t *dict, char **op_errstr) +{ + int ret = 0; + char *volname = NULL; + glusterd_volinfo_t *volinfo = NULL; + char msg[2048] = {0}; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT(this); + + 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), 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 || !cds_list_empty(&volinfo->snap_volumes)) { + snprintf(msg, sizeof(msg), + "Cannot delete Volume %s ," + "as it has %" PRIu64 + " snapshots. " + "To delete the volume, " + "first delete all the snapshots under it.", + volname, volinfo->snap_count); + ret = -1; + goto out; + } + + if (!glusterd_are_all_peers_up()) { + ret = -1; + snprintf(msg, sizeof(msg), "Some of the peers are down"); + goto out; + } + volinfo->stage_deleted = _gf_true; + gf_log(this->name, GF_LOG_INFO, + "Setting stage deleted flag to true for " + "volume %s", + volinfo->volname); + ret = 0; + +out: + if (msg[0] != '\0') { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_OP_STAGE_DELETE_VOL_FAIL, + "%s", msg); + *op_errstr = gf_strdup(msg); + } + gf_msg_debug(this->name, 0, "Returning %d", ret); + + return ret; +} + +static int +glusterd_handle_heal_cmd(xlator_t *this, glusterd_volinfo_t *volinfo, + dict_t *dict, char **op_errstr) +{ + glusterd_svc_t *svc = NULL; + gf_xl_afr_op_t heal_op = GF_SHD_OP_INVALID; + int ret = 0; + char msg[2408] = { + 0, + }; + char *offline_msg = + "Self-heal daemon is not running. " + "Check self-heal daemon log file."; + + ret = dict_get_int32n(dict, "heal-op", SLEN("heal-op"), + (int32_t *)&heal_op); + if (ret) { + ret = -1; + *op_errstr = gf_strdup("Heal operation not specified"); + goto out; + } + + svc = &(volinfo->shd.svc); + switch (heal_op) { + case GF_SHD_OP_INVALID: + case GF_SHD_OP_HEAL_ENABLE: /* This op should be handled in volume-set*/ + case GF_SHD_OP_HEAL_DISABLE: /* This op should be handled in + volume-set*/ + case GF_SHD_OP_GRANULAR_ENTRY_HEAL_ENABLE: /* This op should be handled + in volume-set */ + case GF_SHD_OP_GRANULAR_ENTRY_HEAL_DISABLE: /* This op should be handled + in volume-set */ + case GF_SHD_OP_HEAL_SUMMARY: /*glfsheal cmd*/ + case GF_SHD_OP_SBRAIN_HEAL_FROM_BIGGER_FILE: /*glfsheal cmd*/ + case GF_SHD_OP_SBRAIN_HEAL_FROM_LATEST_MTIME: /*glfsheal cmd*/ + case GF_SHD_OP_SBRAIN_HEAL_FROM_BRICK: /*glfsheal cmd*/ + ret = -1; + *op_errstr = gf_strdup("Invalid heal-op"); + goto out; + + case GF_SHD_OP_HEAL_INDEX: + case GF_SHD_OP_HEAL_FULL: + if (!glusterd_is_shd_compatible_volume(volinfo)) { + ret = -1; + snprintf(msg, sizeof(msg), + "Volume %s is not of type " + "replicate or disperse", + volinfo->volname); + *op_errstr = gf_strdup(msg); + goto out; + } + + if (!svc->online) { + ret = -1; + *op_errstr = gf_strdup(offline_msg); + goto out; + } + break; + case GF_SHD_OP_INDEX_SUMMARY: + case GF_SHD_OP_SPLIT_BRAIN_FILES: + case GF_SHD_OP_STATISTICS: + case GF_SHD_OP_STATISTICS_HEAL_COUNT: + case GF_SHD_OP_STATISTICS_HEAL_COUNT_PER_REPLICA: + if (!glusterd_is_volume_replicate(volinfo)) { + ret = -1; + snprintf(msg, sizeof(msg), + "This command is supported " + "for only volume of replicated " + "type. Volume %s is not of type " + "replicate", + volinfo->volname); + *op_errstr = gf_strdup(msg); + goto out; + } + + if (!svc->online) { + ret = -1; + *op_errstr = gf_strdup(offline_msg); + goto out; + } + break; + case GF_SHD_OP_HEALED_FILES: + case GF_SHD_OP_HEAL_FAILED_FILES: + ret = -1; + snprintf(msg, sizeof(msg), + "Command not supported. " + "Please use \"gluster volume heal %s info\" " + "and logs to find the heal information.", + volinfo->volname); + *op_errstr = gf_strdup(msg); + goto out; + } +out: + if (ret) + gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_HANDLE_HEAL_CMD_FAIL, "%s", + *op_errstr); + 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; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT(this); + + priv = this->private; + if (!priv) { + ret = -1; + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_PRIV_NULL, "priv is NULL"); + goto out; + } + + ret = dict_get_strn(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) { + ret = -1; + snprintf(msg, sizeof(msg), "Volume %s does not exist", volname); + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_FOUND, "%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)) { + ret = -1; + snprintf(msg, sizeof(msg), "Volume %s is not started.", volname); + gf_smsg(this->name, GF_LOG_WARNING, 0, GD_MSG_VOL_NOT_STARTED, + "Volume=%s", volname, NULL); + *op_errstr = gf_strdup(msg); + goto out; + } + + opt_dict = volinfo->dict; + if (!opt_dict) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_GET_FAILED, NULL); + ret = 0; + goto out; + } + enabled = gd_is_self_heal_enabled(volinfo, opt_dict); + if (!enabled) { + ret = -1; + snprintf(msg, sizeof(msg), + "Self-heal-daemon is " + "disabled. Heal will not be triggered on volume %s", + volname); + gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_SELF_HEALD_DISABLED, "%s", + msg); + *op_errstr = gf_strdup(msg); + goto out; + } + + ret = glusterd_handle_heal_cmd(this, volinfo, dict, op_errstr); + if (ret) + goto out; + + ret = 0; +out: + gf_msg_debug("glusterd", 0, "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, + }; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + + this = THIS; + GF_ASSERT(this); + priv = this->private; + GF_ASSERT(priv); + + 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), FMTSTR_CHECK_VOL_EXISTS, volname); + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_VOLINFO_GET_FAIL, + "Volume=%s", volname, NULL); + 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 the started" + " state", + volname); + ret = -1; + goto out; + } + + if (priv->op_version == GD_OP_VERSION_MIN && strstr(options, "quotad")) { + snprintf(msg, sizeof(msg), + "The cluster is operating " + "at op-version 1. Taking quotad's statedump is " + "disallowed in this state"); + ret = -1; + goto out; + } + if ((strstr(options, "quotad")) && + (!glusterd_is_volume_quota_enabled(volinfo))) { + snprintf(msg, sizeof(msg), + "Quota is not enabled on " + "volume %s", + volname); + ret = -1; + goto out; + } +out: + if (ret && msg[0] != '\0') + *op_errstr = gf_strdup(msg); + gf_msg_debug(this->name, 0, "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_strn(dict, "volname", SLEN("volname"), &volname); + if (ret) { + snprintf(msg, sizeof(msg), "Failed to get volume name"); + gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", msg); + *op_errstr = gf_strdup(msg); + goto out; + } + + ret = dict_get_strn(dict, "path", SLEN("path"), &path); + if (ret) { + snprintf(msg, sizeof(msg), "Failed to get path"); + gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", msg); + *op_errstr = gf_strdup(msg); + goto out; + } + + ret = dict_get_strn(dict, "kind", SLEN("kind"), &kind); + if (ret) { + snprintf(msg, sizeof(msg), "Failed to get kind"); + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%s", msg); + *op_errstr = gf_strdup(msg); + goto out; + } + + ret = dict_get_strn(dict, "type", SLEN("type"), &type); + if (ret) { + snprintf(msg, sizeof(msg), "Failed to get type"); + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "%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_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_FOUND, "%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_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_STARTED, "%s", msg); + *op_errstr = gf_strdup(msg); + goto out; + } + + ret = 0; +out: + gf_msg_debug("glusterd", 0, "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; + glusterd_brickinfo_t *ta_brickinfo = NULL; + xlator_t *this = NULL; + char *brick = NULL; + char *ta_brick = NULL; + int32_t count = 0; + int32_t i = 1; + char *bricks = NULL; + char *ta_bricks = NULL; + char *brick_list = NULL; + char *ta_brick_list = NULL; + char *free_ptr = NULL; + char *ta_free_ptr = NULL; + char *saveptr = NULL; + char *ta_saveptr = NULL; + char *trans_type = NULL; + char *str = NULL; + char *username = NULL; + char *password = NULL; + int brickid = 0; + char msg[1024] __attribute__((unused)) = { + 0, + }; + char *brick_mount_dir = NULL; + char key[64] = ""; + char *address_family_str = NULL; + struct statvfs brickstat = { + 0, + }; + + this = THIS; + GF_ASSERT(this); + + priv = this->private; + GF_ASSERT(priv); + + ret = glusterd_volinfo_new(&volinfo); + + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY, + "Unable to allocate memory for volinfo"); + 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; + } + + if (snprintf(volinfo->volname, sizeof(volinfo->volname), "%s", volname) >= + sizeof(volinfo->volname)) { + ret = -1; + goto out; + } + + GF_ASSERT(volinfo->volname); + + ret = dict_get_int32n(dict, "type", SLEN("type"), &volinfo->type); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Unable to get type of volume" + " %s", + volname); + goto out; + } + + ret = dict_get_int32n(dict, "count", SLEN("count"), &volinfo->brick_count); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Unable to get brick count of" + " volume %s", + volname); + goto out; + } + + ret = dict_get_int32n(dict, "port", SLEN("port"), &volinfo->port); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Unable to get port"); + goto out; + } + + ret = dict_get_strn(dict, "bricks", SLEN("bricks"), &bricks); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "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) { + /* performance.client-io-threads is turned on to default, + * however this has adverse effects on replicate volumes due to + * replication design issues, till that get addressed + * performance.client-io-threads option is turned off for all + * replicate volumes + */ + if (priv->op_version >= GD_OP_VERSION_3_12_2) { + ret = dict_set_nstrn(volinfo->dict, "performance.client-io-threads", + SLEN("performance.client-io-threads"), "off", + SLEN("off")); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "Failed to set " + "performance.client-io-threads to off"); + goto out; + } + } + ret = dict_get_int32n(dict, "replica-count", SLEN("replica-count"), + &volinfo->replica_count); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Failed to get " + "replica count for volume %s", + volname); + goto out; + } + + /* coverity[unused_value] arbiter count is optional */ + ret = dict_get_int32n(dict, "arbiter-count", SLEN("arbiter-count"), + &volinfo->arbiter_count); + ret = dict_get_int32n(dict, "thin-arbiter-count", + SLEN("thin-arbiter-count"), + &volinfo->thin_arbiter_count); + if (volinfo->thin_arbiter_count) { + ret = dict_get_strn(dict, "ta-brick", SLEN("ta-brick"), &ta_bricks); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Unable to get thin arbiter brick for " + "volume %s", + volname); + goto out; + } + } + + } else if (GF_CLUSTER_TYPE_DISPERSE == volinfo->type) { + ret = dict_get_int32n(dict, "disperse-count", SLEN("disperse-count"), + &volinfo->disperse_count); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Failed to get " + "disperse count for volume %s", + volname); + goto out; + } + ret = dict_get_int32n(dict, "redundancy-count", + SLEN("redundancy-count"), + &volinfo->redundancy_count); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Failed to get " + "redundancy count for volume %s", + volname); + goto out; + } + if (priv->op_version < GD_OP_VERSION_3_6_0) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_UNSUPPORTED_VERSION, + "Disperse volume " + "needs op-version 3.6.0 or higher"); + ret = -1; + 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_strn(dict, "transport", SLEN("transport"), &trans_type); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Unable to get transport type of volume %s", volname); + goto out; + } + + ret = dict_get_strn(dict, "volume-id", SLEN("volume-id"), &str); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Unable to get volume-id of volume %s", volname); + goto out; + } + ret = gf_uuid_parse(str, volinfo->volume_id); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_UUID_PARSE_FAIL, + "unable to parse uuid %s of volume %s", str, volname); + goto out; + } + + ret = dict_get_strn(dict, "internal-username", SLEN("internal-username"), + &username); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "unable to get internal username of volume %s", volname); + goto out; + } + glusterd_auth_set_username(volinfo, username); + + ret = dict_get_strn(dict, "internal-password", SLEN("internal-password"), + &password); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "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; + } else if (strcasecmp(trans_type, "tcp") == 0) { + volinfo->transport_type = GF_TRANSPORT_TCP; + } else { + volinfo->transport_type = GF_TRANSPORT_BOTH_TCP_RDMA; + } + + if (ta_bricks) { + ta_brick_list = gf_strdup(ta_bricks); + ta_free_ptr = ta_brick_list; + } + + if (volinfo->thin_arbiter_count) { + ta_brick = strtok_r(ta_brick_list + 1, " \n", &ta_saveptr); + + count = 1; + brickid = volinfo->replica_count; + /* assign brickid to ta_bricks + * Following loop runs for number of subvols times. Although + * there is only one ta-brick for a volume but the volume fuse volfile + * requires an entry of ta-brick for each subvolume. Also, the ta-brick + * id needs to be adjusted according to the subvol count. + * For eg- For first subvolume ta-brick id is volname-ta-2, for second + * subvol ta-brick id is volname-ta-5. + */ + while (count <= volinfo->subvol_count) { + ret = glusterd_brickinfo_new_from_brick(ta_brick, &ta_brickinfo, + _gf_false, op_errstr); + if (ret) + goto out; + + GLUSTERD_ASSIGN_BRICKID_TO_TA_BRICKINFO(ta_brickinfo, volinfo, + brickid); + cds_list_add_tail(&ta_brickinfo->brick_list, &volinfo->ta_bricks); + count++; + brickid += volinfo->replica_count + 1; + } + } + + if (bricks) { + brick_list = gf_strdup(bricks); + free_ptr = brick_list; + } + + count = volinfo->brick_count; + + if (count) + brick = strtok_r(brick_list + 1, " \n", &saveptr); + + brickid = glusterd_get_next_available_brickid(volinfo); + if (brickid < 0) + goto out; + while (i <= count) { + ret = glusterd_brickinfo_new_from_brick(brick, &brickinfo, _gf_true, + op_errstr); + if (ret) + goto out; + if (volinfo->thin_arbiter_count == 1 && + (brickid + 1) % (volinfo->replica_count + 1) == 0) { + brickid = brickid + 1; + } + GLUSTERD_ASSIGN_BRICKID_TO_BRICKINFO(brickinfo, volinfo, brickid++); + + 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); + goto out; + } + + /* A bricks mount dir is required only by snapshots which were + * introduced in gluster-3.6.0 + */ + if (priv->op_version >= GD_OP_VERSION_3_6_0) { + brick_mount_dir = NULL; + ret = snprintf(key, sizeof(key), "brick%d.mount_dir", i); + ret = dict_get_strn(dict, key, ret, &brick_mount_dir); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "%s not present", key); + goto out; + } + snprintf(brickinfo->mount_dir, sizeof(brickinfo->mount_dir), "%s", + brick_mount_dir); + } + + if (!gf_uuid_compare(brickinfo->uuid, MY_UUID)) { + ret = sys_statvfs(brickinfo->path, &brickstat); + if (ret) { + gf_log("brick-op", GF_LOG_ERROR, + "Failed to fetch disk" + " utilization from the brick (%s:%s). Please " + "check health of the brick. Error code was %s", + brickinfo->hostname, brickinfo->path, strerror(errno)); + goto out; + } + brickinfo->statfs_fsid = brickstat.f_fsid; + } + + cds_list_add_tail(&brickinfo->brick_list, &volinfo->bricks); + brick = strtok_r(NULL, " \n", &saveptr); + i++; + } + + ret = glusterd_enable_default_options(volinfo, NULL); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_FAIL_DEFAULT_OPT_SET, + "Failed to set default " + "options on create for volume %s", + volinfo->volname); + goto out; + } + + ret = dict_get_strn(dict, "transport.address-family", + SLEN("transport.address-family"), &address_family_str); + + if (!ret) { + ret = dict_set_dynstr_with_alloc( + volinfo->dict, "transport.address-family", address_family_str); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, + "Failed to set transport.address-family for %s", + volinfo->volname); + goto out; + } + } + + gd_update_volume_op_versions(volinfo); + + 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; + glusterd_list_add_order(&volinfo->vol_list, &priv->volumes, + glusterd_compare_volume_name); + vol_added = _gf_true; + +out: + GF_FREE(free_ptr); + GF_FREE(ta_free_ptr); + if (!vol_added && volinfo) + glusterd_volinfo_unref(volinfo); + return ret; +} + +int +glusterd_start_volume(glusterd_volinfo_t *volinfo, int flags, gf_boolean_t wait) + +{ + int ret = 0; + glusterd_brickinfo_t *brickinfo = NULL; + xlator_t *this = NULL; + glusterd_volinfo_ver_ac_t verincrement = 0; + + this = THIS; + GF_ASSERT(this); + GF_ASSERT(volinfo); + + cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) + { + /* Mark start_triggered to false so that in case if this brick + * was brought down through gf_attach utility, the + * brickinfo->start_triggered wouldn't have been updated to + * _gf_false + */ + if (flags & GF_CLI_FLAG_OP_FORCE) { + brickinfo->start_triggered = _gf_false; + } + ret = glusterd_brick_start(volinfo, brickinfo, wait, _gf_false); + /* If 'force' try to start all bricks regardless of success or + * failure + */ + if (!(flags & GF_CLI_FLAG_OP_FORCE) && ret) + goto out; + } + + /* Increment the volinfo version only if there is a + * change in status. Force option can be used to start + * dead bricks even if the volume is in started state. + * In such case volume status will be GLUSTERD_STATUS_STARTED. + * Therefore we should not increment the volinfo version.*/ + if (GLUSTERD_STATUS_STARTED != volinfo->status) { + verincrement = GLUSTERD_VOLINFO_VER_AC_INCREMENT; + } else { + verincrement = GLUSTERD_VOLINFO_VER_AC_NONE; + } + + glusterd_set_volume_status(volinfo, GLUSTERD_STATUS_STARTED); + /* Update volinfo on disk in critical section because + attach_brick_callback can also call store_volinfo for same + volume to update volinfo on disk + */ + /* coverity[ORDER_REVERSAL] */ + LOCK(&volinfo->lock); + ret = glusterd_store_volinfo(volinfo, verincrement); + 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_msg_trace(this->name, 0, "returning %d ", ret); + return ret; +} + +int +glusterd_op_start_volume(dict_t *dict, char **op_errstr) +{ + int ret = 0; + int32_t brick_count = 0; + char *brick_mount_dir = NULL; + char key[64] = ""; + char *volname = NULL; + int flags = 0; + glusterd_volinfo_t *volinfo = NULL; + glusterd_brickinfo_t *brickinfo = NULL; + xlator_t *this = NULL; + glusterd_conf_t *conf = NULL; + glusterd_svc_t *svc = NULL; + char *str = NULL; + gf_boolean_t option = _gf_false; + + this = THIS; + GF_ASSERT(this); + conf = this->private; + GF_ASSERT(conf); + + ret = glusterd_op_start_volume_args_get(dict, &volname, &flags); + if (ret) + goto out; + + ret = glusterd_volinfo_find(volname, &volinfo); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_FOUND, + FMTSTR_CHECK_VOL_EXISTS, volname); + goto out; + } + + /* This is an incremental approach to have all the volinfo objects ref + * count. The first attempt is made in volume start transaction to + * ensure it doesn't race with import volume where stale volume is + * deleted. There are multiple instances of GlusterD crashing in + * bug-948686.t because of this. Once this approach is full proof, all + * other volinfo objects will be refcounted. + */ + glusterd_volinfo_ref(volinfo); + + /* A bricks mount dir is required only by snapshots which were + * introduced in gluster-3.6.0 + */ + if (conf->op_version >= GD_OP_VERSION_3_6_0) { + cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) + { + brick_count++; + /* Don't check bricks that are not owned by you + */ + if (gf_uuid_compare(brickinfo->uuid, MY_UUID)) + continue; + if (strlen(brickinfo->mount_dir) < 1) { + brick_mount_dir = NULL; + ret = snprintf(key, sizeof(key), "brick%d.mount_dir", + brick_count); + ret = dict_get_strn(dict, key, ret, &brick_mount_dir); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "%s not present", key); + goto out; + } + if (snprintf(brickinfo->mount_dir, sizeof(brickinfo->mount_dir), + "%s", + brick_mount_dir) >= sizeof(brickinfo->mount_dir)) { + ret = -1; + goto out; + } + } + } + } + + ret = dict_get_str(conf->opts, GLUSTERD_STORE_KEY_GANESHA_GLOBAL, &str); + if (ret != 0) { + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED, + "Global dict not present."); + ret = 0; + + } else { + ret = gf_string2boolean(str, &option); + /* Check if the feature is enabled and set nfs-disable to true */ + if (option) { + gf_msg_debug(this->name, 0, "NFS-Ganesha is enabled"); + /* Gluster-nfs should not start when NFS-Ganesha is enabled*/ + ret = dict_set_str(volinfo->dict, NFS_DISABLE_MAP_KEY, "on"); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "Failed to set nfs.disable for" + "volume %s", + volname); + goto out; + } + } + } + + ret = glusterd_start_volume(volinfo, flags, _gf_true); + if (ret) + goto out; + + if (!volinfo->is_snap_volume) { + svc = &(volinfo->snapd.svc); + ret = svc->manager(svc, volinfo, PROC_START_NO_WAIT); + if (ret) + goto out; + } + + svc = &(volinfo->gfproxyd.svc); + ret = svc->manager(svc, volinfo, PROC_START_NO_WAIT); + ret = glusterd_svcs_manager(volinfo); + +out: + if (volinfo) + glusterd_volinfo_unref(volinfo); + + gf_msg_trace(this->name, 0, "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; + glusterd_svc_t *svc = NULL; + + this = THIS; + GF_ASSERT(this); + + GF_VALIDATE_OR_GOTO(this->name, volinfo, out); + + cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) + { + ret = glusterd_brick_stop(volinfo, brickinfo, _gf_false); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRICK_STOP_FAIL, + "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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOLINFO_SET_FAIL, + "Failed to store volinfo of " + "%s volume", + volinfo->volname); + goto out; + } + + if (!volinfo->is_snap_volume) { + svc = &(volinfo->snapd.svc); + ret = svc->manager(svc, volinfo, PROC_START_NO_WAIT); + if (ret) + goto out; + } + + ret = glusterd_svcs_manager(volinfo); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_GRAPH_CHANGE_NOTIFY_FAIL, + "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_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_FOUND, + FMTSTR_CHECK_VOL_EXISTS, volname); + goto out; + } + + ret = glusterd_stop_volume(volinfo); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_STOP_FAILED, + "Failed to stop %s volume", volname); + goto out; + } +out: + gf_msg_trace(this->name, 0, "returning %d ", ret); + return ret; +} + +int +glusterd_op_delete_volume(dict_t *dict) +{ + int ret = 0; + char *volname = NULL; + glusterd_volinfo_t *volinfo = NULL; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT(this); + + 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) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_FOUND, + FMTSTR_CHECK_VOL_EXISTS, volname); + goto out; + } + + if (glusterd_check_ganesha_export(volinfo) && is_origin_glusterd(dict)) { + ret = manage_export_config(volname, "off", NULL); + if (ret) + gf_msg(this->name, GF_LOG_WARNING, 0, 0, + "Could not delete ganesha export conf file " + "for %s", + volname); + } + + ret = glusterd_delete_volume(volinfo); +out: + gf_msg_debug(this->name, 0, "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_msg_debug("glusterd", 0, "Performing statedump on volume %s", volname); + if (strstr(options, "quotad")) { + ret = glusterd_quotad_statedump(options, option_cnt, op_errstr); + if (ret) + goto out; +#ifdef BUILD_GNFS + } else if (strstr(options, "nfs") != NULL) { + ret = glusterd_nfs_statedump(options, option_cnt, op_errstr); + if (ret) + goto out; +#endif + } else if (strstr(options, "client")) { + ret = glusterd_client_statedump(volname, options, option_cnt, + op_errstr); + if (ret) + goto out; + + } else { + cds_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_msg(THIS->name, GF_LOG_WARNING, 0, GD_MSG_BRK_STATEDUMP_FAIL, + "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; + char abspath[PATH_MAX] = { + 0, + }; + + 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_msg_debug(THIS->name, 0, "%s", errstr); + goto out; + } + + ret = 0; +out: + return ret; +} + +int +glusterd_clearlocks_rmdir_mount(glusterd_volinfo_t *volinfo, char *mntpt) +{ + int ret = -1; + + ret = sys_rmdir(mntpt); + if (ret) { + gf_msg_debug(THIS->name, 0, "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, _PATH_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_msg_debug("glusterd", 0, "umount failed on maintenance client"); + } + + return; +} + +int +glusterd_clearlocks_create_mount(glusterd_volinfo_t *volinfo, char **mntpt) +{ + int ret = -1; + char template[PATH_MAX] = { + 0, + }; + char *tmpl = NULL; + + snprintf(template, sizeof(template), "/tmp/%s.XXXXXX", volinfo->volname); + tmpl = mkdtemp(template); + if (!tmpl) { + gf_msg_debug(THIS->name, 0, + "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, "%s/%s-clearlocks-mnt.log", priv->logdir, + 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_msg_debug(THIS->name, 0, "Could not start glusterfs"); + goto out; + } + gf_msg_debug(THIS->name, 0, "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; + char brickname[PATH_MAX] = { + 0, + }; + int index = 0; + int ret = -1; + int i = 0; + int port = 0; + int32_t len = 0; + + GF_ASSERT(xl_opts); + if (!xl_opts) { + gf_msg_debug(THIS->name, 0, + "Should pass non-NULL " + "xl_opts"); + goto out; + } + + index = -1; + cds_list_for_each_entry(brickinfo, &volinfo->bricks, brick_list) + { + index++; + if (gf_uuid_compare(brickinfo->uuid, MY_UUID)) + continue; + + if (volinfo->transport_type == GF_TRANSPORT_RDMA) { + len = snprintf(brickname, sizeof(brickname), "%s.rdma", + brickinfo->path); + } else + len = snprintf(brickname, sizeof(brickname), "%s", brickinfo->path); + if ((len < 0) || (len >= sizeof(brickname))) { + ret = -1; + goto out; + } + + port = pmap_registry_search(THIS, brickname, GF_PMAP_PORT_BRICKSERVER, + _gf_false); + if (!port) { + ret = -1; + gf_msg_debug(THIS->name, 0, + "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; + xlator_t *this = THIS; + GF_ASSERT(this); + + ret = dict_get_strn(dict, "volname", SLEN("volname"), &volname); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Key=volname", NULL); + goto out; + } + gf_msg_debug("glusterd", 0, "Performing clearlocks on volume %s", volname); + + ret = dict_get_strn(dict, "path", SLEN("path"), &path); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Key=path", + NULL); + goto out; + } + + ret = dict_get_strn(dict, "kind", SLEN("kind"), &kind); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Key=kind", + NULL); + goto out; + } + + ret = dict_get_strn(dict, "type", SLEN("type"), &type); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, "Key=type", + NULL); + goto out; + } + + ret = dict_get_strn(dict, "opts", SLEN("opts"), &opts); + if (ret) + ret = 0; + + gf_smsg(this->name, GF_LOG_INFO, 0, GD_MSG_CLRCLK_VOL_REQ_RCVD, + "Volume=%s, Kind=%s, Type=%s, Options=%s", volname, kind, type, + opts, NULL); + + 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_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_VOL_NOT_FOUND, "Volume=%s", + volname, NULL); + goto out; + } + + xl_opts = GF_CALLOC(volinfo->brick_count + 1, sizeof(char *), + gf_gld_mt_charptr); + if (!xl_opts) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_NO_MEMORY, NULL); + 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_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_BRK_PORT_NUM_GET_FAIL, + NULL); + goto out; + } + + ret = glusterd_clearlocks_create_mount(volinfo, &mntpt); + if (ret) { + snprintf(msg, sizeof(msg), + "Creating mount directory " + "for clear-locks failed."); + gf_smsg(this->name, GF_LOG_ERROR, 0, + GD_MSG_CLRLOCKS_MOUNTDIR_CREATE_FAIL, NULL); + goto out; + } + + ret = glusterd_clearlocks_mount(volinfo, xl_opts, mntpt); + if (ret) { + snprintf(msg, sizeof(msg), + "Failed to mount clear-locks " + "maintenance client."); + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_CLRLOCKS_CLNT_MOUNT_FAIL, + NULL); + goto out; + } + + ret = glusterd_clearlocks_send_cmd(volinfo, cmd_str, path, result, msg, + sizeof(msg), mntpt); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_CLRCLK_SND_CMD_FAIL, NULL); + goto umount; + } + + free_ptr = gf_strdup(result); + if (dict_set_dynstrn(rsp_dict, "lk-summary", SLEN("lk-summary"), + free_ptr)) { + GF_FREE(free_ptr); + snprintf(msg, sizeof(msg), + "Failed to set clear-locks " + "result"); + gf_smsg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "Key=lk-summary", NULL); + } + +umount: + glusterd_clearlocks_unmount(volinfo, mntpt); + + if (glusterd_clearlocks_rmdir_mount(volinfo, mntpt)) + gf_smsg(this->name, GF_LOG_WARNING, 0, GD_MSG_CLRLOCKS_CLNT_UMOUNT_FAIL, + NULL); + +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; +} |