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Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-store.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-store.c227
1 files changed, 169 insertions, 58 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.c b/xlators/mgmt/glusterd/src/glusterd-store.c
index 6da48c3d22b..7b085e26542 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.c
+++ b/xlators/mgmt/glusterd/src/glusterd-store.c
@@ -318,6 +318,7 @@ glusterd_store_create_volume (glusterd_volinfo_t *volinfo)
{
int32_t ret = -1;
char filepath[PATH_MAX] = {0,};
+ char rbstatepath[PATH_MAX] = {0,};
char buf[4096] = {0,};
glusterd_conf_t *priv = NULL;
glusterd_brickinfo_t *brickinfo = NULL;
@@ -337,6 +338,10 @@ glusterd_store_create_volume (glusterd_volinfo_t *volinfo)
GLUSTERD_VOLUME_DIR_PREFIX, volinfo->volname,
GLUSTERD_VOLUME_INFO_FILE);
+ snprintf (rbstatepath, 1024, "%s/%s/%s/%s", priv->workdir,
+ GLUSTERD_VOLUME_DIR_PREFIX, volinfo->volname,
+ GLUSTERD_VOLUME_RBSTATE_FILE);
+
ret = glusterd_store_handle_new (filepath, &volinfo->shandle);
if (ret) {
@@ -345,6 +350,14 @@ glusterd_store_create_volume (glusterd_volinfo_t *volinfo)
goto out;
}
+ ret = glusterd_store_handle_new (rbstatepath, &volinfo->rb_shandle);
+
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to create store"
+ " handle for path: %s", rbstatepath);
+ goto out;
+ }
+
snprintf (buf, sizeof (buf), "%d", volinfo->type);
ret = glusterd_store_save_value (volinfo->shandle,
GLUSTERD_STORE_KEY_VOL_TYPE, buf);
@@ -404,6 +417,28 @@ glusterd_store_create_volume (glusterd_volinfo_t *volinfo)
dict_foreach (volinfo->dict, _setopts, volinfo->shandle);
+ snprintf (buf, sizeof (buf), "%d", volinfo->rb_status);
+ ret = glusterd_store_save_value (volinfo->rb_shandle, GLUSTERD_STORE_KEY_RB_STATUS,
+ buf);
+ if (ret)
+ goto out;
+
+ if (volinfo->rb_status > GF_RB_STATUS_NONE) {
+ snprintf (buf, sizeof (buf), "%s:%s", volinfo->src_brick->hostname,
+ volinfo->src_brick->path);
+ ret = glusterd_store_save_value (volinfo->rb_shandle, GLUSTERD_STORE_KEY_RB_SRC_BRICK,
+ buf);
+ if (ret)
+ goto out;
+
+ snprintf (buf, sizeof (buf), "%s:%s", volinfo->dst_brick->hostname,
+ volinfo->dst_brick->path);
+ ret = glusterd_store_save_value (volinfo->rb_shandle, GLUSTERD_STORE_KEY_RB_DST_BRICK,
+ buf);
+ if (ret)
+ goto out;
+ }
+
ret = 0;
out:
@@ -643,13 +678,16 @@ out:
}
int
-glusterd_store_handle_retrieve (char *path, glusterd_store_handle_t **handle)
+glusterd_store_handle_retrieve (char *path, glusterd_store_handle_t **handle,
+ int *op_errno)
{
int32_t ret = -1;
struct stat statbuf = {0};
ret = stat (path, &statbuf);
if (ret) {
+ if (op_errno)
+ *op_errno = errno;
gf_log ("glusterd", GF_LOG_ERROR, "Unable to retrieve store "
"handle for %s, error: %s", path, strerror (errno));
goto out;
@@ -754,7 +792,8 @@ glusterd_retrieve_uuid ()
if (!priv->handle) {
snprintf (path, PATH_MAX, "%s/%s", priv->workdir,
GLUSTERD_INFO_FILE);
- ret = glusterd_store_handle_retrieve (path, &handle);
+ ret = glusterd_store_handle_retrieve (path, &handle,
+ NULL);
if (ret) {
gf_log ("", GF_LOG_ERROR, "Unable to get store "
@@ -1053,7 +1092,8 @@ glusterd_store_retrieve_bricks (glusterd_volinfo_t *volinfo)
tmpvalue = NULL;
- ret = glusterd_store_handle_retrieve (path, &brickinfo->shandle);
+ ret = glusterd_store_handle_retrieve (path, &brickinfo->shandle,
+ NULL);
if (ret)
goto out;
@@ -1131,6 +1171,106 @@ out:
int32_t
+glusterd_store_retrieve_rbstate (glusterd_volinfo_t *volinfo)
+{
+ int32_t ret = -1;
+ glusterd_store_iter_t *iter = NULL;
+ char *key = NULL;
+ char *value = NULL;
+ char buf[PATH_MAX] = {0,};
+ char volpath[PATH_MAX] = {0,};
+ char rbstatepath[PATH_MAX] = {0,};
+ glusterd_conf_t *priv = NULL;
+ char path[PATH_MAX] = {0,};
+ glusterd_store_op_errno_t op_errno = GD_STORE_SUCCESS;
+ int rb_errno = 0;
+
+ priv = THIS->private;
+
+ GLUSTERD_GET_VOLUME_DIR(volpath, volinfo, priv);
+ snprintf (rbstatepath, sizeof (path), "%s/%s", volpath,
+ GLUSTERD_VOLUME_RBSTATE_FILE);
+
+ ret = glusterd_store_handle_retrieve (rbstatepath,
+ &volinfo->rb_shandle,
+ &rb_errno);
+
+ if (ret ) {
+ /* Backward compatibility */
+ if (rb_errno == ENOENT) {
+ gf_log ("", GF_LOG_WARNING, "replace-brick persistent "
+ "state not present.");
+ ret = glusterd_store_handle_new (rbstatepath,
+ &volinfo->rb_shandle);
+
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to create store"
+ " handle for path: %s", rbstatepath);
+ goto out;
+ }
+ snprintf (buf, sizeof (buf), "%d", volinfo->rb_status);
+ ret = glusterd_store_save_value (volinfo->rb_shandle,
+ GLUSTERD_STORE_KEY_RB_STATUS,
+ buf);
+ } else {
+ gf_log ("", GF_LOG_CRITICAL, "Unable to retrieve rbstate");
+ }
+
+ goto out;
+ }
+
+ ret = glusterd_store_iter_new (volinfo->rb_shandle, &iter);
+
+ if (ret)
+ goto out;
+
+ ret = glusterd_store_iter_get_next (iter, &key, &value, &op_errno);
+ if (ret)
+ goto out;
+
+ while (!ret) {
+ if (!strncmp (key, GLUSTERD_STORE_KEY_RB_STATUS,
+ strlen (GLUSTERD_STORE_KEY_RB_STATUS))) {
+ volinfo->rb_status = atoi (value);
+ } else if (!strncmp (key, GLUSTERD_STORE_KEY_RB_SRC_BRICK,
+ strlen (GLUSTERD_STORE_KEY_RB_SRC_BRICK))
+ && volinfo->rb_status > GF_RB_STATUS_NONE) {
+ ret = glusterd_brickinfo_from_brick (value, &volinfo->src_brick);
+ if (ret)
+ goto out;
+
+ } else if (!strncmp (key, GLUSTERD_STORE_KEY_RB_DST_BRICK,
+ strlen (GLUSTERD_STORE_KEY_RB_DST_BRICK))
+ && volinfo->rb_status > GF_RB_STATUS_NONE) {
+ ret = glusterd_brickinfo_from_brick (value, &volinfo->dst_brick);
+ if (ret)
+ goto out;
+ }
+
+ GF_FREE (key);
+ GF_FREE (value);
+ key = NULL;
+ value = NULL;
+
+ ret = glusterd_store_iter_get_next (iter, &key, &value,
+ &op_errno);
+ }
+
+ if (op_errno != GD_STORE_EOF)
+ goto out;
+
+ ret = glusterd_store_iter_destroy (iter);
+
+ if (ret)
+ goto out;
+
+out:
+ gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
+
+ return ret;
+}
+
+int32_t
glusterd_store_retrieve_volume (char *volname)
{
int32_t ret = -1;
@@ -1141,9 +1281,7 @@ glusterd_store_retrieve_volume (char *volname)
char volpath[PATH_MAX] = {0,};
glusterd_conf_t *priv = NULL;
char path[PATH_MAX] = {0,};
- char dst_brick[PATH_MAX] = {0, };
int exists = 0;
- int dst_port = -1;
glusterd_store_op_errno_t op_errno = GD_STORE_SUCCESS;
ret = glusterd_volinfo_new (&volinfo);
@@ -1159,11 +1297,12 @@ glusterd_store_retrieve_volume (char *volname)
snprintf (path, sizeof (path), "%s/%s", volpath,
GLUSTERD_VOLUME_INFO_FILE);
- ret = glusterd_store_handle_retrieve (path, &volinfo->shandle);
+ ret = glusterd_store_handle_retrieve (path, &volinfo->shandle, NULL);
if (ret)
goto out;
+
ret = glusterd_store_iter_new (volinfo->shandle, &iter);
if (ret)
@@ -1205,39 +1344,6 @@ glusterd_store_retrieve_volume (char *volname)
if (ret)
gf_log ("", GF_LOG_WARNING,
"failed to parse uuid");
- } else if (!strncmp (key, GLUSTERD_STORE_KEY_RB_STATUS,
- strlen (GLUSTERD_STORE_KEY_RB_STATUS))) {
- glusterd_set_rb_status (volinfo, atoi (value));
-
- } else if (volinfo->rb_status > GF_RB_STATUS_NONE &&
- !strncmp (key, GLUSTERD_STORE_KEY_RB_SRC_BRICK,
- strlen (GLUSTERD_STORE_KEY_RB_SRC_BRICK))) {
- ret = glusterd_brickinfo_from_brick (value,
- &volinfo->src_brick);
- if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to create"
- " src brickinfo");
- goto out;
- }
-
- } else if (volinfo->rb_status > GF_RB_STATUS_NONE &&
- !strncmp (key, GLUSTERD_STORE_KEY_RB_DST_BRICK,
- strlen (GLUSTERD_STORE_KEY_RB_DST_BRICK))) {
- sscanf (value, "%d:%s", &dst_port, dst_brick);
- if (dst_port == -1 || dst_brick[0] == 0) {
- gf_log ("", GF_LOG_ERROR, "replace brick: "
- "dst brick info is invalid");
- goto out;
- }
- ret = glusterd_brickinfo_from_brick (dst_brick,
- &volinfo->dst_brick);
- if (ret) {
- gf_log ("", GF_LOG_ERROR, "Unable to create"
- " dst brickinfo");
- goto out;
- }
- volinfo->dst_brick->port = dst_port;
-
} else {
exists = glusterd_check_option_exists (key, NULL);
if (exists == -1) {
@@ -1277,6 +1383,11 @@ glusterd_store_retrieve_volume (char *volname)
if (ret)
goto out;
+ ret = glusterd_store_retrieve_rbstate (volinfo);
+
+ if (ret)
+ goto out;
+
ret = glusterd_store_retrieve_bricks (volinfo);
if (ret)
goto out;
@@ -1357,6 +1468,8 @@ glusterd_store_update_volume (glusterd_volinfo_t *volinfo)
ret = glusterd_store_handle_truncate (volinfo->shandle);
+ ret = glusterd_store_handle_truncate (volinfo->rb_shandle);
+
snprintf (buf, sizeof (buf), "%d", volinfo->type);
ret = glusterd_store_save_value (volinfo->shandle,
GLUSTERD_STORE_KEY_VOL_TYPE, buf);
@@ -1399,8 +1512,18 @@ glusterd_store_update_volume (glusterd_volinfo_t *volinfo)
if (ret)
goto out;
+ list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
+ ret = glusterd_store_create_brick (volinfo, brickinfo,
+ brick_count);
+ if (ret)
+ goto out;
+ brick_count++;
+ }
+
+ dict_foreach (volinfo->dict, _setopts, volinfo->shandle);
+
snprintf (buf, sizeof (buf), "%d", volinfo->rb_status);
- ret = glusterd_store_save_value (volinfo->shandle, GLUSTERD_STORE_KEY_RB_STATUS,
+ ret = glusterd_store_save_value (volinfo->rb_shandle, GLUSTERD_STORE_KEY_RB_STATUS,
buf);
if (ret)
goto out;
@@ -1408,33 +1531,20 @@ glusterd_store_update_volume (glusterd_volinfo_t *volinfo)
if (volinfo->rb_status > GF_RB_STATUS_NONE) {
snprintf (buf, sizeof (buf), "%s:%s", volinfo->src_brick->hostname,
volinfo->src_brick->path);
- ret = glusterd_store_save_value (volinfo->shandle, GLUSTERD_STORE_KEY_RB_SRC_BRICK,
+ ret = glusterd_store_save_value (volinfo->rb_shandle, GLUSTERD_STORE_KEY_RB_SRC_BRICK,
buf);
if (ret)
goto out;
- snprintf (buf, sizeof (buf), "%d:%s:%s", volinfo->dst_brick->port,
- volinfo->dst_brick->hostname, volinfo->dst_brick->path);
- ret = glusterd_store_save_value (volinfo->shandle, GLUSTERD_STORE_KEY_RB_DST_BRICK,
+ snprintf (buf, sizeof (buf), "%s:%s", volinfo->dst_brick->hostname,
+ volinfo->dst_brick->path);
+ ret = glusterd_store_save_value (volinfo->rb_shandle, GLUSTERD_STORE_KEY_RB_DST_BRICK,
buf);
if (ret)
goto out;
}
-
-
- list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
- ret = glusterd_store_create_brick (volinfo, brickinfo,
- brick_count);
- if (ret)
- goto out;
- brick_count++;
- }
-
- dict_foreach (volinfo->dict, _setopts, volinfo->shandle);
-
ret = 0;
-
out:
gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
@@ -1624,7 +1734,8 @@ glusterd_store_retrieve_peers (xlator_t *this)
while (entry) {
snprintf (filepath, PATH_MAX, "%s/%s", path, entry->d_name);
- ret = glusterd_store_handle_retrieve (filepath, &shandle);
+ ret = glusterd_store_handle_retrieve (filepath, &shandle,
+ NULL);
if (ret)
goto out;