diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-utils.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-utils.c | 290 |
1 files changed, 284 insertions, 6 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c index feb4919ee19..ad9c907faf6 100644 --- a/xlators/mgmt/glusterd/src/glusterd-utils.c +++ b/xlators/mgmt/glusterd/src/glusterd-utils.c @@ -28,8 +28,6 @@ #include "glusterfs.h" #include "compat.h" #include "dict.h" -//#include "protocol.h" -//#include "transport.h" #include "xlator.h" #include "logging.h" #include "timer.h" @@ -44,6 +42,8 @@ #include <sys/resource.h> #include <inttypes.h> +#include <signal.h> +#include <sys/types.h> static glusterd_lock_t lock; @@ -336,15 +336,19 @@ glusterd_check_volume_exists (char *volname) char pathname[1024] = {0,}; struct stat stbuf = {0,}; int32_t ret = -1; + glusterd_conf_t *priv = NULL; - snprintf (pathname, 1024, "%s/vols/%s", GLUSTERD_DEFAULT_WORKDIR, + priv = THIS->private; + + snprintf (pathname, 1024, "%s/vols/%s", priv->workdir, volname); ret = stat (pathname, &stbuf); if (ret) { gf_log ("", GF_LOG_DEBUG, "Volume %s does not exist." - "stat failed with errno: %d", volname, errno); + "stat failed with errno : %d on path: %s", + volname, errno, pathname); return _gf_false; } @@ -378,6 +382,49 @@ out: } int32_t +glusterd_brickinfo_delete (glusterd_brickinfo_t *brickinfo) +{ + int32_t ret = -1; + + GF_ASSERT (brickinfo); + + list_del_init (&brickinfo->brick_list); + + GF_FREE (brickinfo); + + ret = 0; + + return ret; +} + +int32_t +glusterd_volinfo_delete (glusterd_volinfo_t *volinfo) +{ + int32_t ret = -1; + glusterd_brickinfo_t *brickinfo = NULL; + glusterd_brickinfo_t *tmp = NULL; + + GF_ASSERT (volinfo); + + list_del_init (&volinfo->vol_list); + + list_for_each_entry_safe (brickinfo, tmp, &volinfo->bricks, + brick_list) { + ret = glusterd_brickinfo_delete (brickinfo); + if (ret) + goto out; + } + + GF_FREE (volinfo); + ret = 0; + +out: + gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); + return ret; +} + + +int32_t glusterd_brickinfo_new (glusterd_brickinfo_t **brickinfo) { glusterd_brickinfo_t *new_brickinfo = NULL; @@ -403,7 +450,48 @@ out: } int32_t -glusterd_brickinfo_from_brick (char *brick, glusterd_brickinfo_t **brickinfo) +glusterd_resolve_brick (glusterd_brickinfo_t *brickinfo) +{ + int32_t ret = -1; + glusterd_peerinfo_t *peerinfo = NULL; + glusterd_conf_t *priv = NULL; + glusterd_peer_hostname_t *host = NULL; + + priv = THIS->private; + GF_ASSERT (priv); + + GF_ASSERT (brickinfo); + + ret = glusterd_friend_find (NULL, brickinfo->hostname, &peerinfo); + + if (!ret) { + uuid_copy (brickinfo->uuid, peerinfo->uuid); + } else { + list_for_each_entry (host, &priv->hostnames, hostname_list) { + if (!strcmp (host->hostname, brickinfo->hostname)) { + uuid_copy (brickinfo->uuid, priv->uuid); + ret = 0; + break; + } + + } + } + + if (ret) { + if ((!strcmp (brickinfo->hostname, "localhost")) || + (!strcmp (brickinfo->hostname, "127.0.0.1"))) { + uuid_copy (brickinfo->uuid, priv->uuid); + ret = 0; + } + } + + gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); + return ret; +} + +int32_t +glusterd_brickinfo_from_brick (char *brick, + glusterd_brickinfo_t **brickinfo) { int32_t ret = -1; glusterd_brickinfo_t *new_brickinfo = NULL; @@ -444,7 +532,197 @@ glusterd_friend_cleanup (glusterd_peerinfo_t *peerinfo) rpc_clnt_destroy (peerinfo->rpc); peerinfo->rpc = NULL; } - GF_FREE (peerinfo->hostname); + glusterd_peer_destroy (peerinfo); return 0; } + +int32_t +glusterd_volinfo_find (char *volname, glusterd_volinfo_t **volinfo) +{ + glusterd_volinfo_t *tmp_volinfo = NULL; + int32_t ret = -1; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + + GF_ASSERT (volname); + + this = THIS; + GF_ASSERT (this); + + priv = this->private; + + list_for_each_entry (tmp_volinfo, &priv->volumes, vol_list) { + if (!strcmp (tmp_volinfo->volname, volname)) { + gf_log ("", GF_LOG_DEBUG, "Volume %s found", volname); + ret = 0; + *volinfo = tmp_volinfo; + break; + } + } + + + gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); + return ret; +} + + + +int32_t +glusterd_volume_start_glusterfs (glusterd_volinfo_t *volinfo, + glusterd_brickinfo_t *brickinfo) +{ + int32_t ret = -1; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + char pidfile[PATH_MAX] = {0,}; + char volfile[PATH_MAX] = {0,}; + char path[PATH_MAX] = {0,}; + char cmd_str[8192] = {0,}; + char rundir[PATH_MAX] = {0,}; + + GF_ASSERT (volinfo); + GF_ASSERT (brickinfo); + + this = THIS; + GF_ASSERT (this); + + priv = this->private; + + GLUSTERD_GET_VOLUME_DIR (path, volinfo, priv); + snprintf (rundir, PATH_MAX, "%s/run", path); + ret = mkdir (rundir, 0777); + + if ((ret == -1) && (EEXIST != errno)) { + gf_log ("", GF_LOG_ERROR, "Unable to create rundir %s", + rundir); + goto out; + } + + GLUSTERD_GET_BRICK_PIDFILE (pidfile, path, brickinfo->hostname); + snprintf (volfile, PATH_MAX, "%s/%s-%s-export.vol", path, + brickinfo->hostname, volinfo->volname); + snprintf (cmd_str, 8192, "glusterfs -f %s -p %s", volfile, pidfile); + ret = system (cmd_str); + +out: + return ret; +} + +int32_t +glusterd_volume_stop_glusterfs (glusterd_volinfo_t *volinfo, + glusterd_brickinfo_t *brickinfo) +{ + int32_t ret = -1; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + char pidfile[PATH_MAX] = {0,}; + char path[PATH_MAX] = {0,}; + pid_t pid = -1; + FILE *file = NULL; + + GF_ASSERT (volinfo); + GF_ASSERT (brickinfo); + + this = THIS; + GF_ASSERT (this); + + priv = this->private; + + GLUSTERD_GET_VOLUME_DIR (path, volinfo, priv); + GLUSTERD_GET_BRICK_PIDFILE (pidfile, path, brickinfo->hostname); + + file = fopen (pidfile, "r+"); + + if (!file) { + gf_log ("", GF_LOG_ERROR, "Unable to open pidfile: %s", + pidfile); + ret = -1; + goto out; + } + + ret = fscanf (file, "%d", &pid); + if (ret <= 0) { + gf_log ("", GF_LOG_ERROR, "Unable to read pidfile: %s", + pidfile); + ret = -1; + goto out; + } + fclose (file); + file = NULL; + + gf_log ("", GF_LOG_NORMAL, "Stopping glusterfs running in pid: %d", + pid); + + ret = kill (pid, SIGQUIT); + + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to kill pid %d", pid); + goto out; + } + + ret = unlink (pidfile); + + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to unlink pidfile: %s", + pidfile); + goto out; + } + +out: + if (file) + fclose (file); + return ret; +} + +int32_t +glusterd_peer_hostname_new (char *hostname, glusterd_peer_hostname_t **name) +{ + glusterd_peer_hostname_t *peer_hostname = NULL; + int32_t ret = -1; + + GF_ASSERT (hostname); + GF_ASSERT (name); + + peer_hostname = GF_CALLOC (1, sizeof (*peer_hostname), + gf_gld_mt_peer_hostname_t); + + if (!peer_hostname) + goto out; + + peer_hostname->hostname = gf_strdup (hostname); + INIT_LIST_HEAD (&peer_hostname->hostname_list); + + *name = peer_hostname; + ret = 0; + +out: + gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); + return ret; +} + +int32_t +glusterd_peer_destroy (glusterd_peerinfo_t *peerinfo) +{ + int32_t ret = -1; + glusterd_peer_hostname_t *name = NULL; + glusterd_peer_hostname_t *tmp = NULL; + + if (!peerinfo) + goto out; + + list_del_init (&peerinfo->uuid_list); + list_for_each_entry_safe (name, tmp, &peerinfo->hostnames, + hostname_list) { + list_del_init (&name->hostname_list); + GF_FREE (name->hostname); + } + + list_del_init (&peerinfo->hostnames); + GF_FREE (peerinfo); + + ret = 0; + +out: + return ret; +} |