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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-messages.h22
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-snapshot.c167
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volume-set.c16
3 files changed, 201 insertions, 4 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-messages.h b/xlators/mgmt/glusterd/src/glusterd-messages.h
index 03826b7d748..ffcfa7773e9 100644
--- a/xlators/mgmt/glusterd/src/glusterd-messages.h
+++ b/xlators/mgmt/glusterd/src/glusterd-messages.h
@@ -40,7 +40,9 @@
*/
#define GLUSTERD_COMP_BASE GLFS_MSGID_GLUSTERD
-#define GLFS_NUM_MESSAGES 571
+
+#define GLFS_NUM_MESSAGES 573
+
#define GLFS_MSGID_END (GLUSTERD_COMP_BASE + GLFS_NUM_MESSAGES + 1)
/* Messaged with message IDs */
#define glfs_msg_start_x GLFS_COMP_BASE, "Invalid: Start of messages"
@@ -4611,8 +4613,26 @@
* @recommendedaction
*
*/
+
#define GD_MSG_SHARED_STORAGE_DOES_NOT_EXIST (GLUSTERD_COMP_BASE + 571)
+/*!
+ * @messageid
+ * @diagnosis
+ * @recommendedaction
+ *
+ */
+
+#define GD_MSG_SNAP_PAUSE_TIER_FAIL (GLUSTERD_COMP_BASE + 572)
+
+/*!
+ * @messageid
+ * @diagnosis
+ * @recommendedaction
+ *
+ */
+#define GD_MSG_SNAP_RESUME_TIER_FAIL (GLUSTERD_COMP_BASE + 573)
+
/*------------*/
#define glfs_msg_end_x GLFS_MSGID_END, "Invalid: End of messages"
#endif /* !_GLUSTERD_MESSAGES_H_ */
diff --git a/xlators/mgmt/glusterd/src/glusterd-snapshot.c b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
index d185ba82979..90dac9e45de 100644
--- a/xlators/mgmt/glusterd/src/glusterd-snapshot.c
+++ b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
@@ -1948,6 +1948,142 @@ out:
}
int
+glusterd_snapshot_pause_tier (xlator_t *this, glusterd_volinfo_t *volinfo)
+{
+ int ret = -1;
+ dict_t *dict = NULL;
+ char *op_errstr = NULL;
+
+ GF_VALIDATE_OR_GOTO ("glusterd", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, volinfo, out);
+
+ if (volinfo->type != GF_CLUSTER_TYPE_TIER) {
+ ret = 0;
+ goto out;
+ }
+
+ dict = dict_new ();
+ if (!dict) {
+ goto out;
+ }
+
+ ret = dict_set_int32 (dict, "rebalance-command",
+ GF_DEFRAG_CMD_PAUSE_TIER);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_DICT_SET_FAILED,
+ "Failed to set rebalance-command");
+ goto out;
+ }
+
+ ret = dict_set_str (dict, "volname", volinfo->volname);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_DICT_SET_FAILED,
+ "Failed to set volname");
+ goto out;
+ }
+
+ ret = gd_brick_op_phase (GD_OP_DEFRAG_BRICK_VOLUME, NULL,
+ dict, &op_errstr);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_SNAP_PAUSE_TIER_FAIL,
+ "Failed to pause tier. Errstr=%s",
+ op_errstr);
+ goto out;
+ }
+
+out:
+ if (dict)
+ dict_unref (dict);
+
+ return ret;
+}
+
+
+int
+glusterd_snapshot_resume_tier (xlator_t *this, dict_t *snap_dict)
+{
+ int ret = -1;
+ dict_t *dict = NULL;
+ int64_t volcount = 0;
+ char key[PATH_MAX] = "";
+ char *volname = NULL;
+ int i = 0;
+ char *op_errstr = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+
+ GF_VALIDATE_OR_GOTO ("glusterd", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, snap_dict, out);
+
+ ret = dict_get_int64 (snap_dict, "volcount", &volcount);
+ if (ret) {
+ goto out;
+ }
+ if (volcount <= 0) {
+ ret = -1;
+ goto out;
+ }
+
+ dict = dict_new ();
+ if (!dict)
+ goto out;
+
+ for (i = 1; i <= volcount; i++) {
+ snprintf (key, sizeof (key), "volname%d", i);
+ ret = dict_get_str (snap_dict, key, &volname);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_DICT_SET_FAILED,
+ "Failed to get key %s", volname);
+ goto out;
+ }
+
+ ret = glusterd_volinfo_find (volname, &volinfo);
+ if (ret)
+ goto out;
+
+ if (volinfo->type != GF_CLUSTER_TYPE_TIER)
+ continue;
+
+ ret = dict_set_int32 (dict, "rebalance-command",
+ GF_DEFRAG_CMD_RESUME_TIER);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_DICT_SET_FAILED,
+ "Failed to set rebalance-command");
+
+ goto out;
+ }
+
+ ret = dict_set_str (dict, "volname", volname);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_DICT_SET_FAILED,
+ "Failed to set volname");
+ goto out;
+ }
+
+ ret = gd_brick_op_phase (GD_OP_DEFRAG_BRICK_VOLUME, NULL,
+ dict, &op_errstr);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_SNAP_RESUME_TIER_FAIL,
+ "Failed to resume tier");
+ goto out;
+ }
+ }
+
+out:
+ if (dict)
+ dict_unref (dict);
+
+ return ret;
+}
+
+
+int
glusterd_snap_create_clone_common_prevalidate (dict_t *rsp_dict, int flags,
char *snapname, char *err_str,
char *snap_volname,
@@ -2249,7 +2385,12 @@ glusterd_snapshot_clone_prevalidate (dict_t *dict, char **op_errstr,
goto out;
}
- ret = 0;
+ ret = glusterd_snapshot_pause_tier (this, snap_vol);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_SNAP_PAUSE_TIER_FAIL,
+ "Failed to pause tier in clone prevalidate.");
+ }
out:
if (ret && err_str[0] != '\0') {
@@ -2439,6 +2580,14 @@ glusterd_snapshot_create_prevalidate (dict_t *dict, char **op_errstr,
goto out;
}
+ ret = glusterd_snapshot_pause_tier (this, volinfo);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_SNAP_PAUSE_TIER_FAIL,
+ "Failed to pause tier in snap prevalidate.");
+ goto out;
+ }
+
}
ret = dict_set_int64 (rsp_dict, "volcount", volcount);
@@ -2449,6 +2598,7 @@ glusterd_snapshot_create_prevalidate (dict_t *dict, char **op_errstr,
}
ret = 0;
+
out:
if (ret && err_str[0] != '\0') {
gf_msg (this->name, loglevel, 0,
@@ -7819,7 +7969,12 @@ glusterd_snapshot_clone_postvalidate (dict_t *dict, int32_t op_ret,
}
snap_vol->snapshot = NULL;
- ret = 0;
+ ret = glusterd_snapshot_resume_tier (this, dict);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_SNAP_RESUME_TIER_FAIL,
+ "Failed to resume tier in clone postvalidate.");
+ }
out:
return ret;
@@ -7914,7 +8069,13 @@ glusterd_snapshot_create_postvalidate (dict_t *dict, int32_t op_ret,
//ignore the errors of autodelete
ret = glusterd_handle_snap_limit (dict, rsp_dict);
}
- ret = 0;
+
+ ret = glusterd_snapshot_resume_tier (this, dict);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ GD_MSG_SNAP_RESUME_TIER_FAIL,
+ "Failed to resume tier in snapshot postvalidate.");
+ }
out:
return ret;
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
index 58405b67363..d2ef4b184fb 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
@@ -47,6 +47,15 @@ validate_tier (glusterd_volinfo_t *volinfo, dict_t *dict, char *key,
goto out;
}
+ else if (strstr (key, "tier-pause")) {
+ if (strcmp(value, "off") &&
+ strcmp(value, "on")) {
+ ret = -1;
+ goto out;
+ }
+ goto out;
+ }
+
/*
* Rest of the volume set options for tier are expecting a positive
* Integer. Change the function accordingly if this constraint is
@@ -1994,6 +2003,13 @@ struct volopt_map_entry glusterd_volopt_map[] = {
"file that has read hits less than this value will be "
"considered as COLD and will be demoted."
},
+ { .key = "cluster.tier-pause",
+ .voltype = "cluster/tier",
+ .option = "tier-pause",
+ .op_version = GD_OP_VERSION_3_7_6,
+ .flags = OPT_FLAG_CLIENT_OPT,
+ .validate_fn = validate_tier,
+ },
{ .key = "cluster.tier-promote-frequency",
.voltype = "cluster/tier",
.value = "120",