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Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-store.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-store.c272
1 files changed, 208 insertions, 64 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.c b/xlators/mgmt/glusterd/src/glusterd-store.c
index 8660b05a11b..f0164849e52 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.c
+++ b/xlators/mgmt/glusterd/src/glusterd-store.c
@@ -567,8 +567,8 @@ glusterd_volume_exclude_options_write (int fd, glusterd_volinfo_t *volinfo)
GF_ASSERT (fd > 0);
GF_ASSERT (volinfo);
- char buf[PATH_MAX+20] = {0,};
- int32_t ret = -1;
+ char buf[PATH_MAX] = {0,};
+ int32_t ret = -1;
snprintf (buf, sizeof (buf), "%d", volinfo->type);
ret = glusterd_store_save_value (fd, GLUSTERD_STORE_KEY_VOL_TYPE, buf);
@@ -614,28 +614,6 @@ glusterd_volume_exclude_options_write (int fd, glusterd_volinfo_t *volinfo)
if (ret)
goto out;
- snprintf (buf, sizeof (buf), "%d", volinfo->rb_status);
- ret = glusterd_store_save_value (fd, 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 (fd, 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 (fd, GLUSTERD_STORE_KEY_RB_DST_BRICK,
- buf);
- if (ret)
- goto out;
- }
-
out:
if (ret)
gf_log ("", GF_LOG_ERROR, "Unable to write volume values"
@@ -697,6 +675,21 @@ out:
}
static void
+glusterd_store_rbstatepath_set (glusterd_volinfo_t *volinfo, char *rbstatepath,
+ size_t len)
+{
+ char voldirpath[PATH_MAX] = {0,};
+ GF_ASSERT (volinfo);
+ GF_ASSERT (rbstatepath);
+ GF_ASSERT (len >= PATH_MAX);
+
+ glusterd_store_voldirpath_set (volinfo, voldirpath,
+ sizeof (voldirpath));
+ snprintf (rbstatepath, len, "%s/%s", voldirpath,
+ GLUSTERD_VOLUME_RBSTATE_FILE);
+}
+
+static void
glusterd_store_volfpath_set (glusterd_volinfo_t *volinfo, char *volfpath,
size_t len)
{
@@ -711,6 +704,20 @@ glusterd_store_volfpath_set (glusterd_volinfo_t *volinfo, char *volfpath,
}
int32_t
+glusterd_store_create_rbstate_shandle_on_absence (glusterd_volinfo_t *volinfo)
+{
+ char rbstatepath[PATH_MAX] = {0};
+ int32_t ret = 0;
+
+ GF_ASSERT (volinfo);
+
+ glusterd_store_rbstatepath_set (volinfo, rbstatepath, sizeof (rbstatepath));
+ ret = glusterd_store_handle_create_on_absence (&volinfo->rb_shandle,
+ rbstatepath);
+ return ret;
+}
+
+int32_t
glusterd_store_create_vol_shandle_on_absence (glusterd_volinfo_t *volinfo)
{
char volfpath[PATH_MAX] = {0};
@@ -746,6 +753,73 @@ out:
}
int32_t
+glusterd_store_rbstate_write (int fd, glusterd_volinfo_t *volinfo)
+{
+ int ret = -1;
+ char buf[PATH_MAX] = {0, };
+
+ GF_ASSERT (fd > 0);
+ GF_ASSERT (volinfo);
+
+ snprintf (buf, sizeof (buf), "%d", volinfo->rb_status);
+ ret = glusterd_store_save_value (fd, 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 (fd, 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 (fd, GLUSTERD_STORE_KEY_RB_DST_BRICK,
+ buf);
+ if (ret)
+ goto out;
+ }
+
+out:
+ gf_log (THIS->name, GF_LOG_DEBUG, "Returning %d", ret);
+ return ret;
+}
+
+int32_t
+glusterd_store_perform_rbstate_store (glusterd_volinfo_t *volinfo)
+{
+ int fd = -1;
+ int32_t ret = -1;
+ GF_ASSERT (volinfo);
+
+ fd = glusterd_store_mkstemp (volinfo->rb_shandle);
+ if (fd <= 0) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = glusterd_store_rbstate_write (fd, volinfo);
+ if (ret)
+ goto out;
+
+ ret = glusterd_store_rename_tmppath (volinfo->rb_shandle);
+
+out:
+ if (ret && (fd > 0))
+ glusterd_store_unlink_tmppath (volinfo->rb_shandle);
+ if (fd > 0)
+ close (fd);
+ gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
+ return ret;
+}
+
+int32_t
glusterd_store_perform_volume_store (glusterd_volinfo_t *volinfo)
{
int fd = -1;
@@ -807,9 +881,18 @@ glusterd_store_volinfo (glusterd_volinfo_t *volinfo, glusterd_volinfo_ver_ac_t a
if (ret)
goto out;
+ ret = glusterd_store_create_rbstate_shandle_on_absence (volinfo);
+ if (ret)
+ goto out;
+
ret = glusterd_store_perform_volume_store (volinfo);
if (ret)
goto out;
+
+ ret = glusterd_store_perform_rbstate_store (volinfo);
+ if (ret)
+ goto out;
+
//checksum should be computed at the end
ret = glusterd_volume_compute_cksum (volinfo);
if (ret)
@@ -1592,6 +1675,91 @@ out:
int32_t
+glusterd_store_retrieve_rbstate (char *volname)
+{
+ int32_t ret = -1;
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_store_iter_t *iter = NULL;
+ char *key = NULL;
+ char *value = NULL;
+ char volpath[PATH_MAX] = {0,};
+ glusterd_conf_t *priv = NULL;
+ char path[PATH_MAX] = {0,};
+ glusterd_store_op_errno_t op_errno = GD_STORE_SUCCESS;
+
+ priv = THIS->private;
+
+ ret = glusterd_volinfo_find (volname, &volinfo);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Couldn't get"
+ "volinfo for %s.", volname);
+ goto out;
+ }
+
+ GLUSTERD_GET_VOLUME_DIR(volpath, volinfo, priv);
+ snprintf (path, sizeof (path), "%s/%s", volpath,
+ GLUSTERD_VOLUME_RBSTATE_FILE);
+
+ ret = glusterd_store_handle_retrieve (path, &volinfo->rb_shandle);
+
+ if (ret)
+ 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);
+ }
+
+ if (volinfo->rb_status > GF_RB_STATUS_NONE) {
+ if (!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)
+ goto out;
+ } else if (!strncmp (key, GLUSTERD_STORE_KEY_RB_DST_BRICK,
+ strlen (GLUSTERD_STORE_KEY_RB_DST_BRICK))) {
+ 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;
@@ -1602,9 +1770,7 @@ 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);
@@ -1670,39 +1836,6 @@ glusterd_store_retrieve_volume (char *volname)
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 if (strstr (key, "slave")) {
ret = dict_set_dynstr (volinfo->gsync_slaves, key,
gf_strdup (value));
@@ -1777,11 +1910,12 @@ out:
int32_t
glusterd_store_retrieve_volumes (xlator_t *this)
{
- int32_t ret = 0;
- char path[PATH_MAX] = {0,};
- glusterd_conf_t *priv = NULL;
- DIR *dir = NULL;
- struct dirent *entry = NULL;
+ int32_t ret = 0;
+ char path[PATH_MAX] = {0,};
+ glusterd_conf_t *priv = NULL;
+ DIR *dir = NULL;
+ struct dirent *entry = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
GF_ASSERT (this);
priv = this->private;
@@ -1808,6 +1942,16 @@ glusterd_store_retrieve_volumes (xlator_t *this)
"volume: %s", entry->d_name);
goto out;
}
+
+ ret = glusterd_store_retrieve_rbstate (entry->d_name);
+ if (ret) {
+ /* Backward compatibility */
+ gf_log ("", GF_LOG_INFO, "Creating a new rbstate "
+ "for volume: %s.", entry->d_name);
+ ret = glusterd_volinfo_find (entry->d_name, &volinfo);
+ ret = glusterd_store_create_rbstate_shandle_on_absence (volinfo);
+ ret = glusterd_store_perform_rbstate_store (volinfo);
+ }
glusterd_for_each_entry (entry, dir);
}
generated by cgit (git 2.34.1) at 2024-04-19 05:11:31 +0000