diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd.c | 2305 |
1 files changed, 2305 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd.c b/xlators/mgmt/glusterd/src/glusterd.c new file mode 100644 index 00000000000..7a86c2997b1 --- /dev/null +++ b/xlators/mgmt/glusterd/src/glusterd.c @@ -0,0 +1,2305 @@ +/* + Copyright (c) 2006-2013 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 <time.h> +#include <grp.h> +#include <sys/uio.h> +#include <sys/resource.h> + +#include <libgen.h> +#include <glusterfs/compat-uuid.h> + +#include "glusterd.h" +#include "rpcsvc.h" +#include "fnmatch.h" +#include <glusterfs/xlator.h> +#include <glusterfs/call-stub.h> +#include <glusterfs/defaults.h> +#include <glusterfs/list.h> +#include <glusterfs/dict.h> +#include <glusterfs/options.h> +#include <glusterfs/compat.h> +#include <glusterfs/compat-errno.h> +#include <glusterfs/syscall.h> +#include "glusterd-statedump.h" +#include "glusterd-sm.h" +#include "glusterd-op-sm.h" +#include "glusterd-store.h" +#include "glusterd-hooks.h" +#include "glusterd-utils.h" +#include "glusterd-locks.h" +#include "glusterd-svc-mgmt.h" +#include "glusterd-shd-svc.h" +#ifdef BUILD_GNFS +#include "glusterd-nfs-svc.h" +#endif +#include "glusterd-bitd-svc.h" +#include "glusterd-scrub-svc.h" +#include "glusterd-quotad-svc.h" +#include "glusterd-snapd-svc.h" +#include "glusterd-messages.h" +#include <glusterfs/common-utils.h> +#include "glusterd-geo-rep.h" +#include <glusterfs/run.h> +#include "rpc-clnt-ping.h" +#include "rpc-common-xdr.h" + +#include <glusterfs/syncop.h> + +#include "glusterd-mountbroker.h" + +extern struct rpcsvc_program gluster_handshake_prog; +extern struct rpcsvc_program gluster_cli_getspec_prog; +extern struct rpcsvc_program gluster_pmap_prog; +extern glusterd_op_info_t opinfo; +extern struct rpcsvc_program gd_svc_mgmt_prog; +extern struct rpcsvc_program gd_svc_mgmt_v3_prog; +extern struct rpcsvc_program gd_svc_peer_prog; +extern struct rpcsvc_program gd_svc_cli_prog; +extern struct rpcsvc_program gd_svc_cli_trusted_progs; +extern struct rpc_clnt_program gd_brick_prog; +extern struct rpcsvc_program glusterd_mgmt_hndsk_prog; + +extern char snap_mount_dir[VALID_GLUSTERD_PATHMAX]; + +rpcsvc_cbk_program_t glusterd_cbk_prog = { + .progname = "Gluster Callback", + .prognum = GLUSTER_CBK_PROGRAM, + .progver = GLUSTER_CBK_VERSION, +}; + +struct rpcsvc_program *gd_inet_programs[] = { + &gd_svc_peer_prog, &gd_svc_cli_trusted_progs, /* Must be index 1 for + secure_mgmt! */ + &gd_svc_mgmt_prog, &gd_svc_mgmt_v3_prog, &gluster_pmap_prog, + &gluster_handshake_prog, &glusterd_mgmt_hndsk_prog, +}; +int gd_inet_programs_count = (sizeof(gd_inet_programs) / + sizeof(gd_inet_programs[0])); + +struct rpcsvc_program *gd_uds_programs[] = { + &gd_svc_cli_prog, + &gluster_cli_getspec_prog, +}; +int gd_uds_programs_count = (sizeof(gd_uds_programs) / + sizeof(gd_uds_programs[0])); + +const char *gd_op_list[GD_OP_MAX + 1] = { + [GD_OP_NONE] = "Invalid op", + [GD_OP_CREATE_VOLUME] = "Create", + [GD_OP_START_BRICK] = "Start Brick", + [GD_OP_STOP_BRICK] = "Stop Brick", + [GD_OP_DELETE_VOLUME] = "Delete", + [GD_OP_START_VOLUME] = "Start", + [GD_OP_STOP_VOLUME] = "Stop", + [GD_OP_DEFRAG_VOLUME] = "Rebalance", + [GD_OP_ADD_BRICK] = "Add brick", + [GD_OP_DETACH_TIER] = "Detach tier", + [GD_OP_TIER_MIGRATE] = "Tier migration", + [GD_OP_REMOVE_BRICK] = "Remove brick", + [GD_OP_REPLACE_BRICK] = "Replace brick", + [GD_OP_SET_VOLUME] = "Set", + [GD_OP_RESET_VOLUME] = "Reset", + [GD_OP_SYNC_VOLUME] = "Sync", + [GD_OP_LOG_ROTATE] = "Log rotate", + [GD_OP_GSYNC_SET] = "Geo-replication", + [GD_OP_PROFILE_VOLUME] = "Profile", + [GD_OP_QUOTA] = "Quota", + [GD_OP_STATUS_VOLUME] = "Status", + [GD_OP_REBALANCE] = "Rebalance", + [GD_OP_HEAL_VOLUME] = "Heal", + [GD_OP_STATEDUMP_VOLUME] = "Statedump", + [GD_OP_LIST_VOLUME] = "Lists", + [GD_OP_CLEARLOCKS_VOLUME] = "Clear locks", + [GD_OP_DEFRAG_BRICK_VOLUME] = "Rebalance", + [GD_OP_COPY_FILE] = "Copy File", + [GD_OP_SYS_EXEC] = "Execute system commands", + [GD_OP_GSYNC_CREATE] = "Geo-replication Create", + [GD_OP_SNAP] = "Snapshot", + [GD_OP_RESET_BRICK] = "Reset Brick", + [GD_OP_MAX_OPVERSION] = "Maximum supported op-version", + [GD_OP_MAX] = "Invalid op"}; + +static int +glusterd_opinfo_init() +{ + int32_t ret = -1; + + opinfo.op = GD_OP_NONE; + + return ret; +} + +int +glusterd_uuid_init() +{ + int ret = -1; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + + this = THIS; + GF_ASSERT(this); + priv = this->private; + + ret = glusterd_retrieve_uuid(); + if (ret == 0) { + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_RETRIEVED_UUID, + "retrieved UUID: %s", uuid_utoa(priv->uuid)); + return 0; + } + + ret = glusterd_uuid_generate_save(); + + if (ret) { + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_UUID_GEN_STORE_FAIL, + "Unable to generate and save new UUID"); + return ret; + } + + return 0; +} + +int +glusterd_uuid_generate_save() +{ + int ret = -1; + glusterd_conf_t *priv = NULL; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT(this); + priv = this->private; + GF_ASSERT(priv); + + gf_uuid_generate(priv->uuid); + + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_GENERATED_UUID, + "generated UUID: %s", uuid_utoa(priv->uuid)); + + ret = glusterd_store_global_info(this); + + if (ret) + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_UUID_STORE_FAIL, + "Unable to store the generated uuid %s", uuid_utoa(priv->uuid)); + + return ret; +} + +int +glusterd_options_init(xlator_t *this) +{ + int ret = -1; + glusterd_conf_t *priv = NULL; + char *initial_version = "0"; + + priv = this->private; + + priv->opts = dict_new(); + if (!priv->opts) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_CREATE_FAIL, NULL); + goto out; + } + + ret = glusterd_store_retrieve_options(this); + if (ret == 0) { + goto out; + } + + ret = dict_set_str(priv->opts, GLUSTERD_GLOBAL_OPT_VERSION, + initial_version); + if (ret) + goto out; + + ret = glusterd_store_options(this, priv->opts); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_VERS_STORE_FAIL, + "Unable to store version"); + return ret; + } +out: + return 0; +} + +int +glusterd_client_statedump_submit_req(char *volname, char *target_ip, char *pid) +{ + gf_statedump statedump_req = { + 0, + }; + glusterd_conf_t *conf = NULL; + int ret = 0; + char *end_ptr = NULL; + rpc_transport_t *trans = NULL; + char *ip_addr = NULL; + xlator_t *this = NULL; + char tmp[UNIX_PATH_MAX] = { + 0, + }; + + this = THIS; + GF_ASSERT(this); + conf = this->private; + GF_ASSERT(conf); + + if (target_ip == NULL || pid == NULL) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_INVALID_ARGUMENT, NULL); + ret = -1; + goto out; + } + + statedump_req.pid = strtol(pid, &end_ptr, 10); + + gf_msg_debug(this->name, 0, + "Performing statedump on volume %s " + "client with pid:%d host:%s", + volname, statedump_req.pid, target_ip); + + pthread_mutex_lock(&conf->xprt_lock); + { + list_for_each_entry(trans, &conf->xprt_list, list) + { + /* check if this connection matches "all" or the + * volname */ + if (strncmp(volname, "all", NAME_MAX) && + strncmp(trans->peerinfo.volname, volname, NAME_MAX)) { + /* no match, try next trans */ + continue; + } + + strcpy(tmp, trans->peerinfo.identifier); + ip_addr = strtok(tmp, ":"); + if (gf_is_same_address(ip_addr, target_ip)) { + /* Every gluster client would have + * connected to glusterd(volfile server). This + * connection is used to send the statedump + * request rpc to the application. + */ + gf_msg_trace(this->name, 0, + "Submitting " + "statedump rpc request for %s", + trans->peerinfo.identifier); + rpcsvc_request_submit(conf->rpc, trans, &glusterd_cbk_prog, + GF_CBK_STATEDUMP, &statedump_req, + this->ctx, (xdrproc_t)xdr_gf_statedump); + } + } + } + pthread_mutex_unlock(&conf->xprt_lock); +out: + return ret; +} + +int +glusterd_fetchspec_notify(xlator_t *this) +{ + int ret = -1; + glusterd_conf_t *priv = NULL; + rpc_transport_t *trans = NULL; + + priv = this->private; + + pthread_mutex_lock(&priv->xprt_lock); + { + list_for_each_entry(trans, &priv->xprt_list, list) + { + rpcsvc_callback_submit(priv->rpc, trans, &glusterd_cbk_prog, + GF_CBK_FETCHSPEC, NULL, 0, NULL); + } + } + pthread_mutex_unlock(&priv->xprt_lock); + + ret = 0; + + return ret; +} + +int +glusterd_fetchsnap_notify(xlator_t *this) +{ + int ret = -1; + glusterd_conf_t *priv = NULL; + rpc_transport_t *trans = NULL; + + priv = this->private; + + /* + * TODO: As of now, the identification of the rpc clients in the + * handshake protocol is not there. So among so many glusterfs processes + * registered with glusterd, it is hard to identify one particular + * process (in this particular case, the snap daemon). So the callback + * notification is sent to all the transports from the transport list. + * Only those processes which have a rpc client registered for this + * callback will respond to the notification. Once the identification + * of the rpc clients becomes possible, the below section can be changed + * to send callback notification to only those rpc clients, which have + * registered. + */ + pthread_mutex_lock(&priv->xprt_lock); + { + list_for_each_entry(trans, &priv->xprt_list, list) + { + rpcsvc_callback_submit(priv->rpc, trans, &glusterd_cbk_prog, + GF_CBK_GET_SNAPS, NULL, 0, NULL); + } + } + pthread_mutex_unlock(&priv->xprt_lock); + + ret = 0; + + return ret; +} + +int32_t +mem_acct_init(xlator_t *this) +{ + int ret = -1; + + if (!this) + return ret; + + ret = xlator_mem_acct_init(this, gf_gld_mt_end + 1); + + if (ret != 0) { + gf_msg(this->name, GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY, + "Memory accounting init" + " failed"); + return ret; + } + + return ret; +} + +int +glusterd_rpcsvc_notify(rpcsvc_t *rpc, void *xl, rpcsvc_event_t event, + void *data) +{ + xlator_t *this = NULL; + rpc_transport_t *xprt = NULL; + glusterd_conf_t *priv = NULL; + + if (!xl || !data) { + gf_msg("glusterd", GF_LOG_WARNING, 0, GD_MSG_NO_INIT, + "Calling rpc_notify without initializing"); + goto out; + } + + this = xl; + xprt = data; + + priv = this->private; + + switch (event) { + case RPCSVC_EVENT_ACCEPT: { + pthread_mutex_lock(&priv->xprt_lock); + list_add_tail(&xprt->list, &priv->xprt_list); + pthread_mutex_unlock(&priv->xprt_lock); + break; + } + case RPCSVC_EVENT_DISCONNECT: { + /* A DISCONNECT event could come without an ACCEPT event + * happening for this transport. This happens when the server is + * expecting encrypted connections by the client tries to + * connect unecnrypted + */ + if (list_empty(&xprt->list)) + break; + + pthread_mutex_lock(&priv->xprt_lock); + list_del(&xprt->list); + pthread_mutex_unlock(&priv->xprt_lock); + pmap_registry_remove(this, 0, NULL, GF_PMAP_PORT_ANY, xprt, + _gf_false); + break; + } + + default: + break; + } + +out: + return 0; +} + +static int32_t +glusterd_program_register(xlator_t *this, rpcsvc_t *svc, rpcsvc_program_t *prog) +{ + int32_t ret = -1; + + ret = rpcsvc_program_register(svc, prog, _gf_false); + if (ret) { + gf_msg_debug(this->name, 0, + "cannot register program (name: %s, prognum:%d, " + "progver:%d)", + prog->progname, prog->prognum, prog->progver); + goto out; + } + +out: + return ret; +} + +int +glusterd_rpcsvc_options_build(dict_t *options) +{ + int ret = 0; + uint32_t backlog = 0; + xlator_t *this = THIS; + GF_ASSERT(this); + + ret = dict_get_uint32(options, "transport.listen-backlog", &backlog); + + if (ret) { + backlog = GLUSTERFS_SOCKET_LISTEN_BACKLOG; + ret = dict_set_uint32(options, "transport.listen-backlog", backlog); + if (ret) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_SET_FAILED, + "Key=transport.listen-backlog", NULL); + goto out; + } + } + + gf_msg_debug("glusterd", 0, "listen-backlog value: %d", backlog); + +out: + return ret; +} + +#if SYNCDAEMON_COMPILE +static int +glusterd_check_gsync_present(int *valid_state) +{ + char buff[PATH_MAX] = { + 0, + }; + runner_t runner = { + 0, + }; + char *ptr = NULL; + int ret = 0; + + runinit(&runner); + runner_add_args(&runner, GSYNCD_PREFIX "/gsyncd", "--version", NULL); + runner_redir(&runner, STDOUT_FILENO, RUN_PIPE); + ret = runner_start(&runner); + if (ret == -1) { + if (errno == ENOENT) { + gf_msg("glusterd", GF_LOG_INFO, errno, GD_MSG_MODULE_NOT_INSTALLED, + GEOREP " module not installed in the system"); + *valid_state = 0; + } else { + gf_msg("glusterd", GF_LOG_ERROR, errno, GD_MSG_MODULE_NOT_WORKING, + GEOREP " module not working as desired"); + *valid_state = -1; + } + goto out; + } + + ptr = fgets(buff, sizeof(buff), runner_chio(&runner, STDOUT_FILENO)); + if (ptr) { + if (!strstr(buff, "gsyncd")) { + ret = -1; + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_MODULE_NOT_WORKING, + GEOREP + " module not " + "working as desired"); + *valid_state = -1; + goto out; + } + } else { + ret = -1; + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_MODULE_NOT_WORKING, + GEOREP + " module not " + "working as desired"); + *valid_state = -1; + goto out; + } + + ret = 0; +out: + + runner_end(&runner); + + gf_msg_debug("glusterd", 0, "Returning %d", ret); + return ret; +} + +static int +group_write_allow(char *path, gid_t gid) +{ + struct stat st = { + 0, + }; + int ret = 0; + + ret = sys_stat(path, &st); + if (ret == -1) + goto out; + GF_ASSERT(S_ISDIR(st.st_mode)); + + ret = sys_chown(path, -1, gid); + if (ret == -1) + goto out; + + ret = sys_chmod(path, (st.st_mode & ~S_IFMT) | S_IWGRP | S_IXGRP | S_ISVTX); + +out: + if (ret == -1) + gf_msg("glusterd", GF_LOG_CRITICAL, errno, + GD_MSG_WRITE_ACCESS_GRANT_FAIL, + "failed to set up write access to %s for group %d (%s)", path, + gid, strerror(errno)); + return ret; +} + +static int +glusterd_crt_georep_folders(char *georepdir, glusterd_conf_t *conf) +{ + char *greplg_s = NULL; + struct group *gr = NULL; + int ret = 0; + int gr_ret = 0; + int32_t len = 0; + char logdir[PATH_MAX] = {0}; + + GF_ASSERT(georepdir); + GF_ASSERT(conf); + + if (strlen(conf->workdir) + 2 > PATH_MAX - SLEN(GEOREP)) { + ret = -1; + gf_msg("glusterd", GF_LOG_CRITICAL, 0, GD_MSG_DIRPATH_TOO_LONG, + "directory path %s/" GEOREP " is longer than PATH_MAX", + conf->workdir); + goto out; + } + + len = snprintf(georepdir, PATH_MAX, "%s/" GEOREP, conf->workdir); + if ((len < 0) || (len >= PATH_MAX)) { + gf_smsg("glusterd", GF_LOG_ERROR, errno, GD_MSG_COPY_FAIL, NULL); + ret = -1; + goto out; + } + ret = mkdir_p(georepdir, 0755, _gf_true); + if (-1 == ret) { + gf_msg("glusterd", GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create " GEOREP " directory %s", georepdir); + goto out; + } + + ret = dict_get_str(THIS->options, GEOREP "-log-group", &greplg_s); + if (ret) { + gf_smsg("glusterd", GF_LOG_ERROR, errno, GD_MSG_DICT_GET_FAILED, + "Key=log-group", NULL); + ret = 0; + } else { + gr = getgrnam(greplg_s); + if (!gr) { + gf_msg("glusterd", GF_LOG_CRITICAL, 0, GD_MSG_LOGGROUP_INVALID, + "group " GEOREP "-log-group %s does not exist", greplg_s); + gr_ret = -1; + } + } + if ((strlen(conf->logdir) + 2 + SLEN(GEOREP)) >= PATH_MAX) { + ret = -1; + gf_msg("glusterd", GF_LOG_CRITICAL, 0, GD_MSG_DIRPATH_TOO_LONG, + "directory path %s/" GEOREP " is longer than PATH_MAX", + conf->logdir); + goto out; + } + len = snprintf(logdir, PATH_MAX, "%s/" GEOREP, conf->logdir); + if ((len < 0) || (len >= PATH_MAX)) { + ret = -1; + goto out; + } + ret = mkdir_p(logdir, 0755, _gf_true); + if (-1 == ret) { + gf_msg("glusterd", GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create " GEOREP " log directory"); + goto out; + } + if (gr) { + gr_ret = group_write_allow(logdir, gr->gr_gid); + } + + if ((strlen(conf->logdir) + 2 + SLEN(GEOREP "-slaves")) >= PATH_MAX) { + ret = -1; + gf_msg("glusterd", GF_LOG_CRITICAL, 0, GD_MSG_DIRPATH_TOO_LONG, + "directory path %s/" GEOREP + "-slaves" + " is longer than PATH_MAX", + conf->logdir); + goto out; + } + len = snprintf(logdir, PATH_MAX, "%s/" GEOREP "-slaves", conf->logdir); + if ((len < 0) || (len >= PATH_MAX)) { + gf_smsg("glusterd", GF_LOG_ERROR, errno, GD_MSG_COPY_FAIL, NULL); + ret = -1; + goto out; + } + ret = mkdir_p(logdir, 0755, _gf_true); + if (-1 == ret) { + gf_msg("glusterd", GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create " GEOREP " slave log directory"); + goto out; + } + if (gr && !gr_ret) { + gr_ret = group_write_allow(logdir, gr->gr_gid); + } + + /* MountBroker log file directory */ + if ((strlen(conf->logdir) + 2 + SLEN(GEOREP "-slaves/mbr")) >= PATH_MAX) { + ret = -1; + gf_msg("glusterd", GF_LOG_CRITICAL, 0, GD_MSG_DIRPATH_TOO_LONG, + "directory path %s/" GEOREP + "-slaves/mbr" + " is longer than PATH_MAX", + conf->logdir); + goto out; + } + + len = snprintf(logdir, PATH_MAX, "%s/" GEOREP "-slaves/mbr", conf->logdir); + if ((len < 0) || (len >= PATH_MAX)) { + gf_smsg("glusterd", GF_LOG_ERROR, errno, GD_MSG_COPY_FAIL, NULL); + ret = -1; + goto out; + } + + ret = mkdir_p(logdir, 0755, _gf_true); + if (-1 == ret) { + gf_msg("glusterd", GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create " GEOREP " mountbroker slave log directory"); + goto out; + } + if (gr && !gr_ret) { + gr_ret = group_write_allow(logdir, gr->gr_gid); + } + if (gr_ret) + ret = gr_ret; +out: + gf_msg_debug("glusterd", 0, "Returning %d", ret); + return ret; +} + +static void +runinit_gsyncd_setrx(runner_t *runner, glusterd_conf_t *conf) +{ + runinit(runner); + runner_add_args(runner, GSYNCD_PREFIX "/gsyncd", "-c", NULL); + runner_argprintf(runner, "%s/" GSYNC_CONF_TEMPLATE, conf->workdir); + runner_add_arg(runner, "--config-set-rx"); +} + +static int +configure_syncdaemon(glusterd_conf_t *conf) +#define RUN_GSYNCD_CMD \ + do { \ + ret = runner_run_reuse(&runner); \ + if (ret == -1) { \ + runner_log(&runner, "glusterd", GF_LOG_ERROR, "command failed"); \ + runner_end(&runner); \ + goto out; \ + } \ + runner_end(&runner); \ + } while (0) +{ + int ret = 0; + runner_t runner = { + 0, + }; + char georepdir[PATH_MAX] = { + 0, + }; + int valid_state = 0; + + ret = setenv("_GLUSTERD_CALLED_", "1", 1); + if (ret < 0) { + ret = 0; + goto out; + } + valid_state = -1; + ret = glusterd_check_gsync_present(&valid_state); + if (-1 == ret) { + ret = valid_state; + goto out; + } + + glusterd_crt_georep_folders(georepdir, conf); + if (ret) { + ret = 0; + goto out; + } + + /************ + * master pre-configuration + ************/ + + /* remote-gsyncd */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "remote-gsyncd", GSYNCD_PREFIX "/gsyncd", ".", ".", + NULL); + RUN_GSYNCD_CMD; + + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "remote-gsyncd", "/nonexistent/gsyncd", ".", + "^ssh:", NULL); + RUN_GSYNCD_CMD; + + /* gluster-command-dir */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "gluster-command-dir", SBIN_DIR "/", ".", ".", + NULL); + RUN_GSYNCD_CMD; + + /* gluster-params */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "gluster-params", "aux-gfid-mount acl", ".", ".", + NULL); + RUN_GSYNCD_CMD; + + /* ssh-command */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "ssh-command"); + runner_argprintf(&runner, + "ssh -oPasswordAuthentication=no " + "-oStrictHostKeyChecking=no " + "-i %s/secret.pem", + georepdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* ssh-command tar */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "ssh-command-tar"); + runner_argprintf(&runner, + "ssh -oPasswordAuthentication=no " + "-oStrictHostKeyChecking=no " + "-i %s/tar_ssh.pem", + georepdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* pid-file */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "pid-file"); + runner_argprintf(&runner, + "%s/${mastervol}_${remotehost}_${slavevol}/monitor.pid", + georepdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* geo-rep working dir */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "georep-session-working-dir"); + runner_argprintf(&runner, "%s/${mastervol}_${remotehost}_${slavevol}/", + georepdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* state-file */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "state-file"); + runner_argprintf(&runner, + "%s/${mastervol}_${remotehost}_${slavevol}/monitor.status", + georepdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* state-detail-file */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "state-detail-file"); + runner_argprintf( + &runner, + "%s/${mastervol}_${remotehost}_${slavevol}/${eSlave}-detail.status", + georepdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* state-detail-file */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "state-detail-file"); + runner_argprintf( + &runner, + "%s/${mastervol}_${remotehost}_${slavevol}/${eSlave}-detail.status", + georepdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* state-socket */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "state-socket-unencoded"); + runner_argprintf(&runner, "%s/${mastervol}/${eSlave}.socket", georepdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* socketdir */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "socketdir", GLUSTERD_SOCK_DIR, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* log-file */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "log-file"); + runner_argprintf(&runner, "%s/" GEOREP "/${mastervol}/${eSlave}.log", + conf->logdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* gluster-log-file */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "gluster-log-file"); + runner_argprintf( + &runner, "%s/" GEOREP "/${mastervol}/${eSlave}${local_id}.gluster.log", + conf->logdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* ignore-deletes */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "ignore-deletes", "true", ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* special-sync-mode */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "special-sync-mode", "partial", ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* change-detector == changelog */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "change-detector", "changelog", ".", ".", NULL); + RUN_GSYNCD_CMD; + + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "working-dir"); + runner_argprintf(&runner, "%s/${mastervol}/${eSlave}", + DEFAULT_VAR_RUN_DIRECTORY); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /************ + * slave pre-configuration + ************/ + + /* slave-gluster-command-dir */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "slave-gluster-command-dir", SBIN_DIR "/", ".", + NULL); + RUN_GSYNCD_CMD; + + /* gluster-params */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_args(&runner, "gluster-params", "aux-gfid-mount acl", ".", NULL); + RUN_GSYNCD_CMD; + + /* log-file */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "log-file"); + runner_argprintf( + &runner, + "%s/" GEOREP + "-slaves/${session_owner}:${local_node}${local_id}.${slavevol}.log", + conf->logdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* MountBroker log-file */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "log-file-mbr"); + runner_argprintf( + &runner, + "%s/" GEOREP + "-slaves/mbr/${session_owner}:${local_node}${local_id}.${slavevol}.log", + conf->logdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + + /* gluster-log-file */ + runinit_gsyncd_setrx(&runner, conf); + runner_add_arg(&runner, "gluster-log-file"); + runner_argprintf( + &runner, + "%s/" GEOREP + "-slaves/" + "${session_owner}:${local_node}${local_id}.${slavevol}.gluster.log", + conf->logdir); + runner_add_args(&runner, ".", ".", NULL); + RUN_GSYNCD_CMD; + +out: + return ret ? -1 : 0; +} +#undef RUN_GSYNCD_CMD +#else /* SYNCDAEMON_COMPILE */ +static int +configure_syncdaemon(glusterd_conf_t *conf) +{ + return 0; +} +#endif /* !SYNCDAEMON_COMPILE */ + +static int +check_prepare_mountbroker_root(char *mountbroker_root) +{ + int dfd0 = -1; + int dfd = -1; + int dfd2 = -1; + struct stat st = { + 0, + }; + struct stat st2 = { + 0, + }; + int ret = 0; + + ret = open(mountbroker_root, O_RDONLY); + if (ret != -1) { + dfd = ret; + ret = sys_fstat(dfd, &st); + } + if (ret == -1 || !S_ISDIR(st.st_mode)) { + gf_msg("glusterd", GF_LOG_ERROR, errno, GD_MSG_DIR_OP_FAILED, + "cannot access mountbroker-root directory %s", mountbroker_root); + ret = -1; + goto out; + } + if (st.st_uid != 0 || (st.st_mode & (S_IWGRP | S_IWOTH))) { + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DIR_PERM_LIBERAL, + "permissions on mountbroker-root directory %s are " + "too liberal", + mountbroker_root); + ret = -1; + goto out; + } + if (!(st.st_mode & (S_IXGRP | S_IXOTH))) { + gf_msg("glusterd", GF_LOG_WARNING, 0, GD_MSG_DIR_PERM_STRICT, + "permissions on mountbroker-root directory %s are " + "probably too strict", + mountbroker_root); + } + + dfd0 = dup(dfd); + + for (;;) { + ret = sys_openat(dfd, "..", O_RDONLY, 0); + if (ret != -1) { + dfd2 = ret; + ret = sys_fstat(dfd2, &st2); + } + if (ret == -1) { + gf_msg("glusterd", GF_LOG_ERROR, errno, GD_MSG_DIR_OP_FAILED, + "error while checking mountbroker-root ancestors " + "%d (%s)", + errno, strerror(errno)); + goto out; + } + + if (st2.st_ino == st.st_ino) + break; /* arrived to root */ + + if (st2.st_uid != 0 || + ((st2.st_mode & (S_IWGRP | S_IWOTH)) && !(st2.st_mode & S_ISVTX))) { + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_DIR_PERM_LIBERAL, + "permissions on ancestors of mountbroker-root " + "directory are too liberal"); + ret = -1; + goto out; + } + if (!(st.st_mode & (S_IXGRP | S_IXOTH))) { + gf_msg("glusterd", GF_LOG_WARNING, 0, GD_MSG_DIR_PERM_STRICT, + "permissions on ancestors of mountbroker-root " + "directory are probably too strict"); + } + + sys_close(dfd); + dfd = dfd2; + st = st2; + } + + ret = sys_mkdirat(dfd0, MB_HIVE, 0711); + if (ret == -1 && errno == EEXIST) + ret = 0; + if (ret != -1) + ret = sys_fstatat(dfd0, MB_HIVE, &st, AT_SYMLINK_NOFOLLOW); + if (ret == -1 || st.st_mode != (S_IFDIR | 0711)) { + gf_msg("glusterd", GF_LOG_ERROR, errno, GD_MSG_CREATE_DIR_FAILED, + "failed to set up mountbroker-root directory %s", + mountbroker_root); + ret = -1; + goto out; + } + + ret = 0; + +out: + if (dfd0 != -1) + sys_close(dfd0); + if (dfd != -1) + sys_close(dfd); + if (dfd2 != -1 && dfd != dfd2) + sys_close(dfd2); + + return ret; +} + +static int +_install_mount_spec(dict_t *opts, char *key, data_t *value, void *data) +{ + glusterd_conf_t *priv = THIS->private; + char *label = NULL; + gf_boolean_t georep = _gf_false; + char *pdesc = value->data; + char *volname = NULL; + int rv = 0; + gf_mount_spec_t *mspec = NULL; + char *user = NULL; + xlator_t *this = THIS; + GF_ASSERT(this); + + label = strtail(key, "mountbroker."); + + /* check for presence of geo-rep label */ + if (!label) { + label = strtail(key, "mountbroker-" GEOREP "."); + if (label) + georep = _gf_true; + } + + if (!label) + return 0; + + mspec = GF_CALLOC(1, sizeof(*mspec), gf_gld_mt_mount_spec); + if (!mspec) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_NO_MEMORY, NULL); + goto err; + } + mspec->label = label; + + if (georep) { + volname = gf_strdup(pdesc); + if (!volname) + goto err; + user = strchr(volname, ':'); + if (user) { + *user = '\0'; + user++; + } else + user = label; + + rv = make_georep_mountspec(mspec, volname, user, priv->logdir); + + GF_FREE(volname); + if (rv != 0) + goto err; + } else if (parse_mount_pattern_desc(mspec, pdesc) != 0) + goto err; + + cds_list_add_tail(&mspec->speclist, &priv->mount_specs); + + return 0; +err: + + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_MOUNT_SPEC_INSTALL_FAIL, + "adding %smount spec failed: label: %s desc: %s", + georep ? GEOREP " " : "", label, pdesc ? pdesc : ""); + + if (mspec) { + if (mspec->patterns) { + GF_FREE(mspec->patterns->components); + GF_FREE(mspec->patterns); + } + GF_FREE(mspec); + } + + return -1; +} + +/* The glusterd unix domain socket listener only listens for cli */ +rpcsvc_t * +glusterd_init_uds_listener(xlator_t *this) +{ + int ret = -1; + dict_t *options = NULL; + rpcsvc_t *rpc = NULL; + data_t *sock_data = NULL; + char sockfile[UNIX_PATH_MAX] = {0}; + int i = 0; + + GF_ASSERT(this); + + options = dict_new(); + if (!options) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_CREATE_FAIL, NULL); + goto out; + } + + sock_data = dict_get(this->options, "glusterd-sockfile"); + (void)snprintf(sockfile, sizeof(sockfile), "%s", + sock_data ? sock_data->data : DEFAULT_GLUSTERD_SOCKFILE); + + ret = rpcsvc_transport_unix_options_build(options, sockfile); + if (ret) + goto out; + + rpc = rpcsvc_init(this, this->ctx, options, 8); + if (rpc == NULL) { + ret = -1; + goto out; + } + + ret = rpcsvc_register_notify(rpc, glusterd_rpcsvc_notify, this); + if (ret) { + gf_msg_debug(this->name, 0, "Failed to register notify function"); + goto out; + } + + ret = rpcsvc_create_listeners(rpc, options, this->name); + if (ret != 1) { + gf_msg_debug(this->name, 0, "Failed to create listener"); + goto out; + } + ret = 0; + + for (i = 0; i < gd_uds_programs_count; i++) { + ret = glusterd_program_register(this, rpc, gd_uds_programs[i]); + if (ret) { + i--; + for (; i >= 0; i--) + rpcsvc_program_unregister(rpc, gd_uds_programs[i]); + + goto out; + } + } + +out: + if (options) + dict_unref(options); + + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, + GD_MSG_GLUSTERD_SOCK_LISTENER_START_FAIL, + "Failed to start glusterd " + "unix domain socket listener."); + if (rpc) { + GF_FREE(rpc); + rpc = NULL; + } + } + return rpc; +} + +void +glusterd_stop_uds_listener(xlator_t *this) +{ + glusterd_conf_t *conf = NULL; + rpcsvc_listener_t *listener = NULL; + rpcsvc_listener_t *next = NULL; + data_t *sock_data = NULL; + char sockfile[UNIX_PATH_MAX] = {0}; + + GF_ASSERT(this); + conf = this->private; + + (void)rpcsvc_program_unregister(conf->uds_rpc, &gd_svc_cli_prog); + (void)rpcsvc_program_unregister(conf->uds_rpc, &gluster_handshake_prog); + + list_for_each_entry_safe(listener, next, &conf->uds_rpc->listeners, list) + { + rpcsvc_listener_destroy(listener); + } + + (void)rpcsvc_unregister_notify(conf->uds_rpc, glusterd_rpcsvc_notify, this); + + sock_data = dict_get(this->options, "glusterd-sockfile"); + (void)snprintf(sockfile, sizeof(sockfile), "%s", + sock_data ? sock_data->data : DEFAULT_GLUSTERD_SOCKFILE); + sys_unlink(sockfile); + + return; +} + +void +glusterd_stop_listener(xlator_t *this) +{ + glusterd_conf_t *conf = NULL; + rpcsvc_listener_t *listener = NULL; + rpcsvc_listener_t *next = NULL; + int i = 0; + + GF_VALIDATE_OR_GOTO("glusterd", this, out); + conf = this->private; + GF_VALIDATE_OR_GOTO(this->name, conf, out); + + gf_msg_debug(this->name, 0, "%s function called ", __func__); + + for (i = 0; i < gd_inet_programs_count; i++) { + rpcsvc_program_unregister(conf->rpc, gd_inet_programs[i]); + } + + list_for_each_entry_safe(listener, next, &conf->rpc->listeners, list) + { + rpcsvc_listener_destroy(listener); + } + + (void)rpcsvc_unregister_notify(conf->rpc, glusterd_rpcsvc_notify, this); + +out: + + return; +} + +static int +glusterd_find_correct_var_run_dir(xlator_t *this, char *var_run_dir) +{ + int ret = -1; + struct stat buf = { + 0, + }; + + GF_VALIDATE_OR_GOTO("glusterd", this, out); + GF_VALIDATE_OR_GOTO(this->name, var_run_dir, out); + + /* /var/run is normally a symbolic link to /run dir, which + * creates problems as the entry point in the mtab for the mount point + * and glusterd maintained entry point will be different. Therefore + * identify the correct run dir and use it + */ + ret = sys_lstat(GLUSTERD_VAR_RUN_DIR, &buf); + if (ret != 0) { + gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, + "stat fails on %s, exiting. (errno = %d)", GLUSTERD_VAR_RUN_DIR, + errno); + goto out; + } + + /* If /var/run is symlink then use /run dir */ + if (S_ISLNK(buf.st_mode)) { + strcpy(var_run_dir, GLUSTERD_RUN_DIR); + } else { + strcpy(var_run_dir, GLUSTERD_VAR_RUN_DIR); + } + + ret = 0; +out: + return ret; +} + +static int +glusterd_init_var_run_dirs(xlator_t *this, char *var_run_dir, + char *dir_to_be_created) +{ + int ret = -1; + struct stat buf = { + 0, + }; + char abs_path[PATH_MAX] = { + 0, + }; + + GF_VALIDATE_OR_GOTO("glusterd", this, out); + GF_VALIDATE_OR_GOTO(this->name, var_run_dir, out); + GF_VALIDATE_OR_GOTO(this->name, dir_to_be_created, out); + + snprintf(abs_path, sizeof(abs_path), "%s%s", var_run_dir, + dir_to_be_created); + + ret = sys_stat(abs_path, &buf); + if ((ret != 0) && (ENOENT != errno)) { + gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED, + "stat fails on %s, exiting. (errno = %d)", abs_path, errno); + ret = -1; + goto out; + } + + if ((!ret) && (!S_ISDIR(buf.st_mode))) { + gf_msg(this->name, GF_LOG_CRITICAL, ENOENT, GD_MSG_DIR_NOT_FOUND, + "Provided snap path %s is not a directory," + "exiting", + abs_path); + ret = -1; + goto out; + } + + if ((-1 == ret) && (ENOENT == errno)) { + /* Create missing dirs */ + ret = mkdir_p(abs_path, 0755, _gf_true); + + if (-1 == ret) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create directory %s" + " ,errno = %d", + abs_path, errno); + goto out; + } + } + +out: + return ret; +} + +static int +is_upgrade(dict_t *options, gf_boolean_t *upgrade) +{ + int ret = 0; + char *type = NULL; + + ret = dict_get_str(options, "upgrade", &type); + if (!ret) { + ret = gf_string2boolean(type, upgrade); + if (ret) { + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_STR_TO_BOOL_FAIL, + "upgrade option " + "%s is not a valid boolean type", + type); + ret = -1; + goto out; + } + } + ret = 0; +out: + return ret; +} + +static int +is_downgrade(dict_t *options, gf_boolean_t *downgrade) +{ + int ret = 0; + char *type = NULL; + + ret = dict_get_str(options, "downgrade", &type); + if (!ret) { + ret = gf_string2boolean(type, downgrade); + if (ret) { + gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_STR_TO_BOOL_FAIL, + "downgrade option " + "%s is not a valid boolean type", + type); + ret = -1; + goto out; + } + } + ret = 0; +out: + return ret; +} + +/* + * init - called during glusterd initialization + * + * @this: + * + */ +int +init(xlator_t *this) +{ + int32_t ret = -1; + rpcsvc_t *rpc = NULL; + rpcsvc_t *uds_rpc = NULL; + glusterd_conf_t *conf = NULL; + data_t *dir_data = NULL; + struct stat buf = { + 0, + }; + char storedir[PATH_MAX] = { + 0, + }; + char workdir[PATH_MAX] = { + 0, + }; + char rundir[PATH_MAX] = { + 0, + }; + char logdir[VALID_GLUSTERD_PATHMAX] = { + 0, + }; + char cmd_log_filename[PATH_MAX] = { + 0, + }; + char *mountbroker_root = NULL; + int i = 0; + int total_transport = 0; + gf_valgrind_tool vgtool; + char *valgrind_str = NULL; + char *transport_type = NULL; + char var_run_dir[PATH_MAX] = { + 0, + }; + int32_t workers = 0; + gf_boolean_t upgrade = _gf_false; + gf_boolean_t downgrade = _gf_false; + char *localtime_logging = NULL; + int32_t len = 0; + int op_version = 0; + +#if defined(RUN_WITH_MEMCHECK) + vgtool = _gf_memcheck; +#elif defined(RUN_WITH_DRD) + vgtool = _gf_drd; +#else + vgtool = _gf_none; +#endif + +#ifndef GF_DARWIN_HOST_OS + { + struct rlimit lim; + lim.rlim_cur = 65536; + lim.rlim_max = 65536; + + if (setrlimit(RLIMIT_NOFILE, &lim) == -1) { + gf_smsg(this->name, GF_LOG_ERROR, errno, GD_MSG_SET_XATTR_FAIL, + "Failed to set 'ulimit -n 65536'", NULL); + } else { + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_FILE_DESC_LIMIT_SET, + "Maximum allowed open file descriptors " + "set to 65536"); + } + } +#endif + + dir_data = dict_get(this->options, "run-directory"); + + if (!dir_data) { + /* Use default working dir */ + len = snprintf(rundir, PATH_MAX, "%s", DEFAULT_VAR_RUN_DIRECTORY); + } else { + len = snprintf(rundir, PATH_MAX, "%s", dir_data->data); + } + if (len < 0 || len >= PATH_MAX) + exit(2); + + dir_data = dict_get(this->options, "cluster-test-mode"); + if (!dir_data) { + /* Use default working dir */ + len = snprintf(logdir, VALID_GLUSTERD_PATHMAX, "%s", + DEFAULT_LOG_FILE_DIRECTORY); + } else { + len = snprintf(logdir, VALID_GLUSTERD_PATHMAX, "%s", dir_data->data); + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_CLUSTER_RC_ENABLE, + "cluster-test-mode is enabled logdir is %s", dir_data->data); + } + if (len < 0 || len >= PATH_MAX) + exit(2); + + ret = mkdir_p(logdir, 0777, _gf_true); + if ((ret == -1) && (EEXIST != errno)) { + gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create log dir %s", logdir); + exit(1); + } + + dir_data = dict_get(this->options, "working-directory"); + + if (!dir_data) { + // Use default working dir + len = snprintf(workdir, PATH_MAX, "%s", GLUSTERD_DEFAULT_WORKDIR); + } else { + len = snprintf(workdir, PATH_MAX, "%s", dir_data->data); + } + if (len < 0 || len >= PATH_MAX) + exit(2); + + ret = sys_stat(workdir, &buf); + if ((ret != 0) && (ENOENT != errno)) { + gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_DIR_OP_FAILED, + "stat fails on %s, exiting. (errno = %d)", workdir, errno); + exit(1); + } + + if ((!ret) && (!S_ISDIR(buf.st_mode))) { + gf_msg(this->name, GF_LOG_CRITICAL, ENOENT, GD_MSG_DIR_NOT_FOUND, + "Provided working area %s is not a directory," + "exiting", + workdir); + exit(1); + } + + if ((-1 == ret) && (ENOENT == errno)) { + ret = mkdir_p(workdir, 0755, _gf_true); + + if (-1 == ret) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create directory %s" + " ,errno = %d", + workdir, errno); + exit(1); + } + } + + setenv("GLUSTERD_WORKDIR", workdir, 1); + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_CURR_WORK_DIR_INFO, + "Using %s as working directory", workdir); + + setenv("DEFAULT_VAR_RUN_DIRECTORY", rundir, 1); + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_CURR_WORK_DIR_INFO, + "Using %s as pid file working " + "directory", + rundir); + + ret = glusterd_find_correct_var_run_dir(this, var_run_dir); + if (ret) { + gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_VAR_RUN_DIR_FIND_FAIL, + "Unable to find " + "the correct var run dir"); + exit(1); + } + + ret = glusterd_init_var_run_dirs(this, var_run_dir, + GLUSTERD_DEFAULT_SNAPS_BRICK_DIR); + + if (ret) { + gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_CREATE_DIR_FAILED, + "Unable to create " + "snap backend folder"); + exit(1); + } + + len = snprintf(snap_mount_dir, sizeof(snap_mount_dir), "%s%s", var_run_dir, + GLUSTERD_DEFAULT_SNAPS_BRICK_DIR); + if ((len < 0) || (len >= sizeof(snap_mount_dir))) { + gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_DIR_OP_FAILED, + "Snap mount dir too long"); + exit(1); + } + + ret = mkdir_p(GLUSTER_SHARED_STORAGE_BRICK_DIR, 0755, _gf_true); + if (ret) { + gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_DIR_OP_FAILED, + "Unable to create " + "shared storage brick"); + exit(1); + } + + ret = glusterd_init_var_run_dirs(this, rundir, GLUSTERD_BITD_RUN_DIR); + if (ret) { + gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_CREATE_DIR_FAILED, + "Unable to create " + "bitd running directory"); + exit(1); + } + + ret = glusterd_init_var_run_dirs(this, rundir, GLUSTERD_SCRUB_RUN_DIR); + if (ret) { + gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_CREATE_DIR_FAILED, + "Unable to create " + "scrub running directory"); + exit(1); + } + +#ifdef BUILD_GNFS + ret = glusterd_init_var_run_dirs(this, rundir, GLUSTERD_NFS_RUN_DIR); + if (ret) { + gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_CREATE_DIR_FAILED, + "Unable to create " + "nfs running directory"); + exit(1); + } +#endif + + ret = glusterd_init_var_run_dirs(this, rundir, GLUSTERD_QUOTAD_RUN_DIR); + if (ret) { + gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_CREATE_DIR_FAILED, + "Unable to create " + "quota running directory"); + exit(1); + } + + snprintf(cmd_log_filename, PATH_MAX, "%s/cmd_history.log", logdir); + ret = gf_cmd_log_init(cmd_log_filename); + + if (ret == -1) { + gf_msg("this->name", GF_LOG_CRITICAL, errno, GD_MSG_FILE_OP_FAILED, + "Unable to create cmd log file %s", cmd_log_filename); + exit(1); + } + + len = snprintf(storedir, sizeof(storedir), "%s/vols", workdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + + ret = sys_mkdir(storedir, 0755); + + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create volume directory %s" + " ,errno = %d", + storedir, errno); + exit(1); + } + + /*keeping individual volume pid file information in /var/run/gluster* */ + len = snprintf(storedir, sizeof(storedir), "%s/vols", rundir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + + ret = sys_mkdir(storedir, 0755); + + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create volume directory %s" + " ,errno = %d", + storedir, errno); + exit(1); + } + + len = snprintf(storedir, sizeof(storedir), "%s/snaps", workdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + + ret = sys_mkdir(storedir, 0755); + + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create snaps directory %s" + " ,errno = %d", + storedir, errno); + exit(1); + } + + len = snprintf(storedir, sizeof(storedir), "%s/peers", workdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + + ret = sys_mkdir(storedir, 0755); + + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create peers directory %s" + " ,errno = %d", + storedir, errno); + exit(1); + } + + len = snprintf(storedir, sizeof(storedir), "%s/bricks", logdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + + ret = sys_mkdir(storedir, 0755); + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create logs directory %s" + " ,errno = %d", + storedir, errno); + exit(1); + } + +#ifdef BUILD_GNFS + len = snprintf(storedir, sizeof(storedir), "%s/nfs", workdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + ret = sys_mkdir(storedir, 0755); + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create nfs directory %s" + " ,errno = %d", + storedir, errno); + exit(1); + } +#endif + len = snprintf(storedir, sizeof(storedir), "%s/bitd", workdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + ret = sys_mkdir(storedir, 0755); + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create bitrot directory %s", storedir); + exit(1); + } + + len = snprintf(storedir, sizeof(storedir), "%s/scrub", workdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + ret = sys_mkdir(storedir, 0755); + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create scrub directory %s", storedir); + exit(1); + } + + len = snprintf(storedir, sizeof(storedir), "%s/glustershd", workdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + ret = sys_mkdir(storedir, 0755); + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create glustershd directory %s" + " ,errno = %d", + storedir, errno); + exit(1); + } + + len = snprintf(storedir, sizeof(storedir), "%s/quotad", workdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + ret = sys_mkdir(storedir, 0755); + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create quotad directory %s" + " ,errno = %d", + storedir, errno); + exit(1); + } + + len = snprintf(storedir, sizeof(storedir), "%s/groups", workdir); + if ((len < 0) || (len >= sizeof(storedir))) { + exit(1); + } + ret = sys_mkdir(storedir, 0755); + if ((-1 == ret) && (errno != EEXIST)) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_CREATE_DIR_FAILED, + "Unable to create glustershd directory %s" + " ,errno = %d", + storedir, errno); + exit(1); + } + + ret = glusterd_rpcsvc_options_build(this->options); + if (ret) + goto out; + rpc = rpcsvc_init(this, this->ctx, this->options, 64); + if (rpc == NULL) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_RPC_INIT_FAIL, + "failed to init rpc"); + goto out; + } + + ret = rpcsvc_register_notify(rpc, glusterd_rpcsvc_notify, this); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_RPCSVC_REG_NOTIFY_RETURNED, + "rpcsvc_register_notify returned %d", ret); + goto out; + } + + /* Enable encryption for the TCP listener is management encryption is + * enabled + */ + if (this->ctx->secure_mgmt) { + ret = dict_set_str(this->options, "transport.socket.ssl-enabled", "on"); + if (ret != 0) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED, + "failed to set ssl-enabled in dict"); + goto out; + } + /* + * This is the only place where we want secure_srvr to reflect + * the management-plane setting. + */ + this->ctx->secure_srvr = MGMT_SSL_ALWAYS; + } + + /* + * only one (at most a pair - rdma and socket) listener for + * glusterd1_mop_prog, gluster_pmap_prog and gluster_handshake_prog. + */ + + ret = dict_get_str(this->options, "transport-type", &transport_type); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_GET_FAILED, + "Failed to get transport type"); + ret = -1; + goto out; + } + + total_transport = rpc_transport_count(transport_type); + if (total_transport <= 0) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_RPC_TRANSPORT_COUNT_GET_FAIL, + "failed to get total number of available tranpsorts"); + ret = -1; + goto out; + } + + ret = rpcsvc_create_listeners(rpc, this->options, this->name); + if (ret < 1) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_RPC_LISTENER_CREATE_FAIL, + "creation of listener failed"); + ret = -1; + goto out; + } else if (ret < total_transport) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_RPC_LISTENER_CREATE_FAIL, + "creation of %d listeners failed, continuing with " + "succeeded transport", + (total_transport - ret)); + } + + for (i = 0; i < gd_inet_programs_count; i++) { + ret = glusterd_program_register(this, rpc, gd_inet_programs[i]); + if (ret) { + i--; + for (; i >= 0; i--) + rpcsvc_program_unregister(rpc, gd_inet_programs[i]); + + goto out; + } + } + + /* + * Start a unix domain socket listener just for cli commands This + * should prevent ports from being wasted by being in TIMED_WAIT when + * cli commands are done continuously + */ + uds_rpc = glusterd_init_uds_listener(this); + if (uds_rpc == NULL) { + ret = -1; + goto out; + } + + conf = GF_CALLOC(1, sizeof(glusterd_conf_t), gf_gld_mt_glusterd_conf_t); + GF_VALIDATE_OR_GOTO(this->name, conf, out); + + CDS_INIT_LIST_HEAD(&conf->peers); + CDS_INIT_LIST_HEAD(&conf->volumes); + CDS_INIT_LIST_HEAD(&conf->snapshots); + CDS_INIT_LIST_HEAD(&conf->missed_snaps_list); + CDS_INIT_LIST_HEAD(&conf->brick_procs); + CDS_INIT_LIST_HEAD(&conf->shd_procs); + pthread_mutex_init(&conf->attach_lock, NULL); + pthread_mutex_init(&conf->volume_lock, NULL); + + pthread_mutex_init(&conf->mutex, NULL); + conf->rpc = rpc; + conf->uds_rpc = uds_rpc; + conf->gfs_mgmt = &gd_brick_prog; + conf->restart_shd = _gf_false; + this->private = conf; + /* conf->workdir and conf->rundir are smaller than PATH_MAX; gcc's + * snprintf checking will throw an error here if sprintf is used. + * Dueling gcc-8 and coverity, now coverity isn't smart enough to + * detect that these strncpy calls are safe. And for extra fun, + * the annotations don't do anything. */ + if (strlen(workdir) >= sizeof(conf->workdir)) { + ret = -1; + goto out; + } + /* coverity[BUFFER_SIZE_WARNING] */ + (void)strncpy(conf->workdir, workdir, sizeof(conf->workdir)); + /* separate tests because combined tests confuses gcc */ + if (strlen(rundir) >= sizeof(conf->rundir)) { + ret = -1; + goto out; + } + /* coverity[BUFFER_SIZE_WARNING] */ + (void)strncpy(conf->rundir, rundir, sizeof(conf->rundir)); + + /* coverity[BUFFER_SIZE_WARNING] */ + (void)strncpy(conf->logdir, logdir, sizeof(conf->logdir)); + + synclock_init(&conf->big_lock, SYNC_LOCK_RECURSIVE); + synccond_init(&conf->cond_restart_bricks); + synccond_init(&conf->cond_restart_shd); + synccond_init(&conf->cond_blockers); + pthread_mutex_init(&conf->xprt_lock, NULL); + INIT_LIST_HEAD(&conf->xprt_list); + pthread_mutex_init(&conf->import_volumes, NULL); + + glusterd_friend_sm_init(); + glusterd_op_sm_init(); + glusterd_opinfo_init(); + ret = glusterd_sm_tr_log_init( + &conf->op_sm_log, glusterd_op_sm_state_name_get, + glusterd_op_sm_event_name_get, GLUSTERD_TR_LOG_SIZE); + if (ret) + goto out; + + conf->base_port = GF_IANA_PRIV_PORTS_START; + if (dict_get_uint32(this->options, "base-port", &conf->base_port) == 0) { + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_DICT_SET_FAILED, + "base-port override: %d", conf->base_port); + } + conf->max_port = GF_PORT_MAX; + if (dict_get_uint32(this->options, "max-port", &conf->max_port) == 0) { + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_DICT_SET_FAILED, + "max-port override: %d", conf->max_port); + } + + conf->mgmt_v3_lock_timeout = GF_LOCK_TIMER; + if (dict_get_uint32(this->options, "lock-timer", + &conf->mgmt_v3_lock_timeout) == 0) { + gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_DICT_SET_FAILED, + "lock-timer override: %d", conf->mgmt_v3_lock_timeout); + } + + /* Set option to run bricks on valgrind if enabled in glusterd.vol */ + this->ctx->cmd_args.vgtool = vgtool; + ret = dict_get_str(this->options, "run-with-valgrind", &valgrind_str); + if (ret < 0) { + gf_msg_debug(this->name, 0, "cannot get run-with-valgrind value"); + } + if (valgrind_str) { + gf_boolean_t vg = _gf_false; + + if (!strcmp(valgrind_str, "memcheck")) + this->ctx->cmd_args.vgtool = _gf_memcheck; + else if (!strcmp(valgrind_str, "drd")) + this->ctx->cmd_args.vgtool = _gf_drd; + else if (!gf_string2boolean(valgrind_str, &vg)) + this->ctx->cmd_args.vgtool = (vg ? _gf_memcheck : _gf_none); + else + gf_msg(this->name, GF_LOG_WARNING, EINVAL, GD_MSG_INVALID_ENTRY, + "run-with-valgrind is neither boolean" + " nor one of 'memcheck' or 'drd'"); + } + + /* Store ping-timeout in conf */ + ret = dict_get_int32(this->options, "ping-timeout", &conf->ping_timeout); + /* Not failing here since ping-timeout can be optional as well */ + + glusterd_mgmt_v3_lock_init(); + glusterd_mgmt_v3_lock_timer_init(); + glusterd_txn_opinfo_dict_init(); + +#ifdef BUILD_GNFS + glusterd_nfssvc_build(&conf->nfs_svc); +#endif + glusterd_quotadsvc_build(&conf->quotad_svc); + glusterd_bitdsvc_build(&conf->bitd_svc); + glusterd_scrubsvc_build(&conf->scrub_svc); + + /* Make install copies few of the hook-scripts by creating hooks + * directory. Hence purposefully not doing the check for the presence of + * hooks directory. Doing so avoids creation of complete hooks directory + * tree. + */ + ret = glusterd_hooks_create_hooks_directory(conf->workdir); + if (-1 == ret) { + gf_msg(this->name, GF_LOG_CRITICAL, errno, GD_MSG_DIR_OP_FAILED, + "Unable to create hooks directory "); + exit(1); + } + + CDS_INIT_LIST_HEAD(&conf->mount_specs); + + ret = dict_foreach(this->options, _install_mount_spec, NULL); + if (ret) + goto out; + ret = dict_get_str(this->options, "mountbroker-root", &mountbroker_root); + if (ret) + ret = 0; + else + ret = check_prepare_mountbroker_root(mountbroker_root); + if (ret) + goto out; + + ret = is_upgrade(this->options, &upgrade); + if (ret) + goto out; + + ret = is_downgrade(this->options, &downgrade); + if (ret) + goto out; + + if (!upgrade && !downgrade) { + ret = configure_syncdaemon(conf); + if (ret) + goto out; + } + + /* Restoring op-version needs to be done before initializing the + * services as glusterd_svc_init_common () invokes + * glusterd_conn_build_socket_filepath () which uses MY_UUID macro. + * MY_UUID generates a new uuid if its not been generated and writes it + * in the info file, Since the op-version is not read yet + * the default value i.e. 0 will be written for op-version and restore + * will fail. This is why restoring op-version needs to happen before + * service initialization + * */ + ret = glusterd_restore_op_version(this); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_OP_VERS_RESTORE_FAIL, + "Failed to restore op_version"); + goto out; + } + + ret = glusterd_restore(); + if (ret < 0) + goto out; + + if (dict_get_str(conf->opts, GLUSTERD_LOCALTIME_LOGGING_KEY, + &localtime_logging) == 0) { + int already_enabled = gf_log_get_localtime(); + + if (strcmp(localtime_logging, "enable") == 0) { + gf_log_set_localtime(1); + if (!already_enabled) + gf_msg(this->name, GF_LOG_INFO, 0, + GD_MSG_LOCALTIME_LOGGING_ENABLE, + "localtime logging enable"); + } else if (strcmp(localtime_logging, "disable") == 0) { + gf_log_set_localtime(0); + if (already_enabled) + gf_msg(this->name, GF_LOG_INFO, 0, + GD_MSG_LOCALTIME_LOGGING_DISABLE, + "localtime logging disable"); + } + } + + GF_ATOMIC_INIT(conf->blockers, 0); + ret = glusterd_handle_upgrade_downgrade(this->options, conf, upgrade, + downgrade); + if (ret) + goto out; + + ret = glusterd_retrieve_max_op_version(this, &op_version); + /* first condition indicates file isn't present which means this code + * change is hitting for the first time or someone has deleted it from the + * backend.second condition is when max op_version differs, in both cases + * volfiles should be regenerated + */ + if (op_version == 0 || op_version != GD_OP_VERSION_MAX) { + gf_log(this->name, GF_LOG_INFO, + "Regenerating volfiles due to a max op-version mismatch or " + "glusterd.upgrade file not being present, op_version retrieved:" + "%d, max op_version: %d", + op_version, GD_OP_VERSION_MAX); + glusterd_recreate_volfiles(conf); + ret = glusterd_store_max_op_version(this); + if (ret) + gf_log(this->name, GF_LOG_ERROR, "Failed to store max op-version"); + } + + /* If the peer count is less than 2 then this would be the best time to + * spawn process/bricks that may need (re)starting since last time + * (this) glusterd was up. */ + if (glusterd_get_peers_count() < 2) + glusterd_launch_synctask(glusterd_spawn_daemons, NULL); + + ret = glusterd_hooks_spawn_worker(this); + if (ret) + goto out; + + GF_OPTION_INIT("event-threads", workers, int32, out); + if (workers > 0 && workers != conf->workers) { + conf->workers = workers; + ret = gf_event_reconfigure_threads(this->ctx->event_pool, workers); + if (ret) + goto out; + } + + ret = 0; +out: + if (ret < 0) { + if (this->private != NULL) { + GF_FREE(this->private); + this->private = NULL; + } + } + + return ret; +} + +/* + * fini - finish function for glusterd, called before + * unloading gluster. + * + * @this: + * + */ +void +fini(xlator_t *this) +{ + if (!this || !this->private) + goto out; + + glusterd_stop_uds_listener(this); /*stop unix socket rpc*/ + glusterd_stop_listener(this); /*stop tcp/ip socket rpc*/ + +#if 0 + /* Running threads might be using these resourses, we have to cancel/stop + * running threads before deallocating the memory, but we don't have + * control over the running threads to do pthread_cancel(). + * So memory freeing handover to kernel. + */ + /*TODO: cancel/stop the running threads*/ + + GF_FREE (conf->uds_rpc); + GF_FREE (conf->rpc); + FREE (conf->pmap); + if (conf->handle) + gf_store_handle_destroy (conf->handle); + glusterd_sm_tr_log_delete (&conf->op_sm_log); + glusterd_mgmt_v3_lock_fini (); + glusterd_mgmt_v3_lock_timer_fini (); + glusterd_txn_opinfo_dict_fini (); + GF_FREE (conf); + + this->private = NULL; +#endif +out: + return; +} + +/* + * notify - notify function for glusterd + * @this: + * @trans: + * @event: + * + */ +int +notify(xlator_t *this, int32_t event, void *data, ...) +{ + int ret = 0; + + switch (event) { + case GF_EVENT_POLLIN: + break; + + case GF_EVENT_POLLERR: + break; + + case GF_EVENT_CLEANUP: + break; + + default: + default_notify(this, event, data); + break; + } + + return ret; +} + +struct xlator_fops fops; + +struct xlator_cbks cbks; + +struct xlator_dumpops dumpops = { + .priv = glusterd_dump_priv, +}; + +struct volume_options options[] = { + { + .key = {"working-directory"}, + .type = GF_OPTION_TYPE_PATH, + }, + { + .key = {"transport-type"}, + .type = GF_OPTION_TYPE_ANY, + }, + { + .key = {"transport.*"}, + .type = GF_OPTION_TYPE_ANY, + }, + { + .key = {"rpc-auth.*"}, + .type = GF_OPTION_TYPE_ANY, + }, + { + .key = {"rpc-auth-allow-insecure"}, + .type = GF_OPTION_TYPE_BOOL, + }, + { + .key = {"upgrade"}, + .type = GF_OPTION_TYPE_BOOL, + }, + { + .key = {"downgrade"}, + .type = GF_OPTION_TYPE_BOOL, + }, + { + .key = {"bind-insecure"}, + .type = GF_OPTION_TYPE_BOOL, + }, + { + .key = {"mountbroker-root"}, + .type = GF_OPTION_TYPE_PATH, + }, + { + .key = {"mountbroker.*"}, + .type = GF_OPTION_TYPE_ANY, + }, + { + .key = {"mountbroker-" GEOREP ".*"}, + .type = GF_OPTION_TYPE_ANY, + }, + { + .key = {GEOREP "-log-group"}, + .type = GF_OPTION_TYPE_ANY, + }, + { + .key = {"run-with-valgrind"}, + .type = GF_OPTION_TYPE_BOOL, + }, + {.key = {"server-quorum-type"}, + .type = GF_OPTION_TYPE_STR, + .value = {"none", "server"}, + .default_value = "none", + .description = "It can be set to none or server. When set to server, " + "this option enables the specified volume to " + "participate in the server-side quorum. " + "This feature is on the server-side i.e. in glusterd. " + "Whenever the glusterd on a machine observes that " + "the quorum is not met, it brings down the bricks to " + "prevent data split-brains. When the network " + "connections are brought back up and the quorum is " + "restored the bricks in " + "the volume are brought back up."}, + {.key = {"server-quorum-ratio"}, + .type = GF_OPTION_TYPE_PERCENT, + .description = "Sets the quorum percentage for the trusted " + "storage pool."}, + {.key = {"glusterd-sockfile"}, + .type = GF_OPTION_TYPE_PATH, + .description = "The socket file on which glusterd should listen for " + "cli requests. Default is " DEFAULT_GLUSTERD_SOCKFILE "."}, + {.key = {"base-port"}, + .type = GF_OPTION_TYPE_INT, + .description = "Sets the base port for portmap query"}, + {.key = {"max-port"}, + .type = GF_OPTION_TYPE_INT, + .max = GF_PORT_MAX, + .description = "Sets the max port for portmap query"}, + {.key = {"mgmt-v3-lock-timeout"}, + .type = GF_OPTION_TYPE_INT, + .max = 600, + .description = "Sets the mgmt-v3-lock-timeout for transactions." + "Specifes the default timeout value after which " + "lock acquired while performing transaction will " + "be released."}, + {.key = {"snap-brick-path"}, + .type = GF_OPTION_TYPE_STR, + .description = + "directory where the bricks for the snapshots will be created"}, + { + .key = {"ping-timeout"}, + .type = GF_OPTION_TYPE_TIME, + .min = 0, + .max = 300, + .default_value = TOSTRING(RPC_DEFAULT_PING_TIMEOUT), + }, + {.key = {"event-threads"}, + .type = GF_OPTION_TYPE_INT, + .min = 1, + .max = 32, + .default_value = "2", + .description = "Specifies the number of event threads to execute " + "in parallel. Larger values would help process" + " responses faster, depending on available processing" + " power. Range 1-32 threads."}, + {.key = {NULL}}, +}; + +xlator_api_t xlator_api = { + .init = init, + .fini = fini, + .mem_acct_init = mem_acct_init, + .op_version = {1}, /* Present from the initial version */ + .dumpops = &dumpops, + .fops = &fops, + .cbks = &cbks, + .options = options, + .identifier = "glusterd", + .category = GF_MAINTAINED, +}; |