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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c403
1 files changed, 0 insertions, 403 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index 65bd4044164..3195110ece6 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -93,8 +93,6 @@
#define NLMV4_VERSION 4
#define NLMV1_VERSION 1
-#define CEILING_POS(X) (((X)-(int)(X)) > 0 ? (int)((X)+1) : (int)(X))
-
extern struct volopt_map_entry glusterd_volopt_map[];
static glusterd_lock_t lock;
@@ -1106,106 +1104,6 @@ out:
}
#endif
-gf_boolean_t
-glusterd_is_get_op (xlator_t *this, glusterd_op_t op, dict_t *dict)
-{
- char *key = NULL;
- char *volname = NULL;
- int ret = 0;
-
- if (op == GD_OP_STATUS_VOLUME)
- return _gf_true;
-
- if (op == GD_OP_SET_VOLUME) {
- /*check for set volume help*/
- ret = dict_get_str (dict, "volname", &volname);
- if (volname &&
- ((strcmp (volname, "help") == 0) ||
- (strcmp (volname, "help-xml") == 0))) {
- ret = dict_get_str (dict, "key1", &key);
- if (ret < 0)
- return _gf_true;
- }
- }
- return _gf_false;
-}
-
-gf_boolean_t
-glusterd_is_quorum_validation_required (xlator_t *this, glusterd_op_t op,
- dict_t *dict)
-{
- gf_boolean_t required = _gf_true;
- char *key = NULL;
- char *key_fixed = NULL;
- int ret = -1;
-
- if (glusterd_is_get_op (this, op, dict)) {
- required = _gf_false;
- goto out;
- }
- if ((op != GD_OP_SET_VOLUME) && (op != GD_OP_RESET_VOLUME))
- goto out;
- if (op == GD_OP_SET_VOLUME)
- ret = dict_get_str (dict, "key1", &key);
- else if (op == GD_OP_RESET_VOLUME)
- ret = dict_get_str (dict, "key", &key);
- if (ret)
- goto out;
- ret = glusterd_check_option_exists (key, &key_fixed);
- if (ret <= 0)
- goto out;
- if (key_fixed)
- key = key_fixed;
- if (glusterd_is_quorum_option (key))
- required = _gf_false;
-out:
- GF_FREE (key_fixed);
- return required;
-}
-
-/* This function should not be used when the quorum validation needs to happen
- * on non-global peer list */
-int
-glusterd_validate_quorum (xlator_t *this, glusterd_op_t op,
- dict_t *dict, char **op_errstr)
-{
- int ret = 0;
- char *volname = NULL;
- glusterd_volinfo_t *volinfo = NULL;
- char *errstr = NULL;
-
- errstr = "Quorum not met. Volume operation not allowed.";
- if (!glusterd_is_quorum_validation_required (this, op, dict))
- goto out;
-
- ret = dict_get_str (dict, "volname", &volname);
- if (ret) {
- ret = 0;
- goto out;
- }
-
- ret = glusterd_volinfo_find (volname, &volinfo);
- if (ret) {
- ret = 0;
- goto out;
- }
-
- /* Passing NULL implies quorum calculation will happen on global peer
- * list */
- if (does_gd_meet_server_quorum (this, NULL, _gf_false)) {
- ret = 0;
- goto out;
- }
-
- if (glusterd_is_volume_in_server_quorum (volinfo)) {
- ret = -1;
- *op_errstr = gf_strdup (errstr);
- goto out;
- }
- ret = 0;
-out:
- return ret;
-}
int
glusterd_validate_and_create_brickpath (glusterd_brickinfo_t *brickinfo,
@@ -2823,205 +2721,6 @@ out:
}
-gf_boolean_t
-glusterd_is_quorum_option (char *option)
-{
- gf_boolean_t res = _gf_false;
- int i = 0;
- char *keys[] = {GLUSTERD_QUORUM_TYPE_KEY,
- GLUSTERD_QUORUM_RATIO_KEY, NULL};
-
- for (i = 0; keys[i]; i++) {
- if (strcmp (option, keys[i]) == 0) {
- res = _gf_true;
- break;
- }
- }
- return res;
-}
-
-gf_boolean_t
-glusterd_is_quorum_changed (dict_t *options, char *option, char *value)
-{
- int ret = 0;
- gf_boolean_t reconfigured = _gf_false;
- gf_boolean_t all = _gf_false;
- char *oldquorum = NULL;
- char *newquorum = NULL;
- char *oldratio = NULL;
- char *newratio = NULL;
-
- if ((strcmp ("all", option) != 0) &&
- !glusterd_is_quorum_option (option))
- goto out;
-
- if (strcmp ("all", option) == 0)
- all = _gf_true;
-
- if (all || (strcmp (GLUSTERD_QUORUM_TYPE_KEY, option) == 0)) {
- newquorum = value;
- ret = dict_get_str (options, GLUSTERD_QUORUM_TYPE_KEY,
- &oldquorum);
- }
-
- if (all || (strcmp (GLUSTERD_QUORUM_RATIO_KEY, option) == 0)) {
- newratio = value;
- ret = dict_get_str (options, GLUSTERD_QUORUM_RATIO_KEY,
- &oldratio);
- }
-
- reconfigured = _gf_true;
-
- if (oldquorum && newquorum && (strcmp (oldquorum, newquorum) == 0))
- reconfigured = _gf_false;
- if (oldratio && newratio && (strcmp (oldratio, newratio) == 0))
- reconfigured = _gf_false;
-
- if ((oldratio == NULL) && (newratio == NULL) && (oldquorum == NULL) &&
- (newquorum == NULL))
- reconfigured = _gf_false;
-out:
- return reconfigured;
-}
-
-static inline gf_boolean_t
-_is_contributing_to_quorum (gd_quorum_contrib_t contrib)
-{
- if ((contrib == QUORUM_UP) || (contrib == QUORUM_DOWN))
- return _gf_true;
- return _gf_false;
-}
-
-static inline gf_boolean_t
-_does_quorum_meet (int active_count, int quorum_count)
-{
- return (active_count >= quorum_count);
-}
-
-int
-glusterd_get_quorum_cluster_counts (xlator_t *this, int *active_count,
- int *quorum_count,
- struct cds_list_head *peer_list,
- gf_boolean_t _local_xaction_peers)
-{
- glusterd_peerinfo_t *peerinfo = NULL;
- glusterd_conf_t *conf = NULL;
- int ret = -1;
- int inquorum_count = 0;
- char *val = NULL;
- double quorum_percentage = 0.0;
- gf_boolean_t ratio = _gf_false;
- int count = 0;
-
- conf = this->private;
-
- //Start with counting self
- inquorum_count = 1;
- if (active_count)
- *active_count = 1;
-
- rcu_read_lock ();
- if (!peer_list) {
- cds_list_for_each_entry_rcu (peerinfo, &conf->peers,
- uuid_list) {
- GLUSTERD_QUORUM_COUNT(peerinfo, inquorum_count,
- active_count, out);
- }
- } else {
- if (_local_xaction_peers) {
- list_for_each_local_xaction_peers (peerinfo,
- peer_list) {
- GLUSTERD_QUORUM_COUNT(peerinfo, inquorum_count,
- active_count, out);
- }
- } else {
- cds_list_for_each_entry (peerinfo, peer_list,
- op_peers_list) {
- GLUSTERD_QUORUM_COUNT(peerinfo, inquorum_count,
- active_count, out);
- }
- }
- }
- ret = dict_get_str (conf->opts, GLUSTERD_QUORUM_RATIO_KEY, &val);
- if (ret == 0) {
- ratio = _gf_true;
- ret = gf_string2percent (val, &quorum_percentage);
- if (!ret)
- ratio = _gf_true;
- }
- if (ratio)
- count = CEILING_POS (inquorum_count *
- quorum_percentage / 100.0);
- else
- count = (inquorum_count * 50 / 100) + 1;
-
- *quorum_count = count;
- ret = 0;
-out:
- rcu_read_unlock ();
-
- return ret;
-}
-
-gf_boolean_t
-glusterd_is_volume_in_server_quorum (glusterd_volinfo_t *volinfo)
-{
- gf_boolean_t res = _gf_false;
- char *quorum_type = NULL;
- int ret = 0;
-
- ret = dict_get_str (volinfo->dict, GLUSTERD_QUORUM_TYPE_KEY,
- &quorum_type);
- if (ret)
- goto out;
-
- if (strcmp (quorum_type, GLUSTERD_SERVER_QUORUM) == 0)
- res = _gf_true;
-out:
- return res;
-}
-
-gf_boolean_t
-glusterd_is_any_volume_in_server_quorum (xlator_t *this)
-{
- glusterd_conf_t *conf = NULL;
- glusterd_volinfo_t *volinfo = NULL;
-
- conf = this->private;
- cds_list_for_each_entry (volinfo, &conf->volumes, vol_list) {
- if (glusterd_is_volume_in_server_quorum (volinfo)) {
- return _gf_true;
- }
- }
- return _gf_false;
-}
-
-gf_boolean_t
-does_gd_meet_server_quorum (xlator_t *this, struct cds_list_head *peers_list,
- gf_boolean_t _local_xaction_peers)
-{
- int quorum_count = 0;
- int active_count = 0;
- gf_boolean_t in = _gf_false;
- glusterd_conf_t *conf = NULL;
- int ret = -1;
-
- conf = this->private;
- ret = glusterd_get_quorum_cluster_counts (this, &active_count,
- &quorum_count,
- peers_list,
- _local_xaction_peers);
- if (ret)
- goto out;
-
- if (!_does_quorum_meet (active_count, quorum_count)) {
- goto out;
- }
-
- in = _gf_true;
-out:
- return in;
-}
int
glusterd_spawn_daemons (void *opaque)
@@ -3041,108 +2740,6 @@ glusterd_spawn_daemons (void *opaque)
return ret;
}
-void
-glusterd_do_volume_quorum_action (xlator_t *this, glusterd_volinfo_t *volinfo,
- gf_boolean_t meets_quorum)
-{
- glusterd_brickinfo_t *brickinfo = NULL;
- glusterd_conf_t *conf = NULL;
- gd_quorum_status_t quorum_status = NOT_APPLICABLE_QUORUM;
- gf_boolean_t follows_quorum = _gf_false;
-
- conf = this->private;
- if (volinfo->status != GLUSTERD_STATUS_STARTED) {
- volinfo->quorum_status = NOT_APPLICABLE_QUORUM;
- goto out;
- }
-
- follows_quorum = glusterd_is_volume_in_server_quorum (volinfo);
- if (follows_quorum) {
- if (meets_quorum)
- quorum_status = MEETS_QUORUM;
- else
- quorum_status = DOESNT_MEET_QUORUM;
- } else {
- quorum_status = NOT_APPLICABLE_QUORUM;
- }
-
- /*
- * The following check is added to prevent spurious brick starts when
- * events occur that affect quorum.
- * Example:
- * There is a cluster of 10 peers. Volume is in quorum. User
- * takes down one brick from the volume to perform maintenance.
- * Suddenly one of the peers go down. Cluster is still in quorum. But
- * because of this 'peer going down' event, quorum is calculated and
- * the bricks that are down are brought up again. In this process it
- * also brings up the brick that is purposefully taken down.
- */
- if (volinfo->quorum_status == quorum_status)
- goto out;
-
- if (quorum_status == MEETS_QUORUM) {
- gf_msg (this->name, GF_LOG_CRITICAL, 0,
- GD_MSG_SERVER_QUORUM_MET_STARTING_BRICKS,
- "Server quorum regained for volume %s. Starting local "
- "bricks.", volinfo->volname);
- } else if (quorum_status == DOESNT_MEET_QUORUM) {
- gf_msg (this->name, GF_LOG_CRITICAL, 0,
- GD_MSG_SERVER_QUORUM_LOST_STOPPING_BRICKS,
- "Server quorum lost for volume %s. Stopping local "
- "bricks.", volinfo->volname);
- }
-
- cds_list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
- if (!glusterd_is_local_brick (this, volinfo, brickinfo))
- continue;
- if (quorum_status == DOESNT_MEET_QUORUM)
- glusterd_brick_stop (volinfo, brickinfo, _gf_false);
- else
- glusterd_brick_start (volinfo, brickinfo, _gf_false);
- }
- volinfo->quorum_status = quorum_status;
-out:
- return;
-}
-
-int
-glusterd_do_quorum_action ()
-{
- xlator_t *this = NULL;
- glusterd_conf_t *conf = NULL;
- glusterd_volinfo_t *volinfo = NULL;
- int ret = 0;
- int active_count = 0;
- int quorum_count = 0;
- gf_boolean_t meets = _gf_false;
-
- this = THIS;
- conf = this->private;
-
- conf->pending_quorum_action = _gf_true;
- ret = glusterd_lock (conf->uuid);
- if (ret)
- goto out;
-
- {
- ret = glusterd_get_quorum_cluster_counts (this, &active_count,
- &quorum_count, NULL,
- _gf_false);
- if (ret)
- goto unlock;
-
- if (_does_quorum_meet (active_count, quorum_count))
- meets = _gf_true;
- cds_list_for_each_entry (volinfo, &conf->volumes, vol_list) {
- glusterd_do_volume_quorum_action (this, volinfo, meets);
- }
- }
-unlock:
- (void)glusterd_unlock (conf->uuid);
- conf->pending_quorum_action = _gf_false;
-out:
- return ret;
-}
int32_t
glusterd_import_friend_volume_opts (dict_t *peer_data, int count,
generated by cgit (git 2.34.1) at 2024-11-13 12:25:35 +0000