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-rw-r--r--cli/src/cli-rpc-ops.c4
-rw-r--r--rpc/rpc-lib/src/protocol-common.h3
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-handler.c11
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-sm.c44
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c85
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.h8
6 files changed, 147 insertions, 8 deletions
diff --git a/cli/src/cli-rpc-ops.c b/cli/src/cli-rpc-ops.c
index f8662ea..86904af 100644
--- a/cli/src/cli-rpc-ops.c
+++ b/cli/src/cli-rpc-ops.c
@@ -193,6 +193,10 @@ gf_cli3_1_deprobe_cbk (struct rpc_req *req, struct iovec *iov,
cli_out ("Brick(s) with the peer %s exist in "
"cluster", rsp.hostname);
break;
+ case GF_DEPROBE_FRIEND_DOWN:
+ cli_out ("One of the peers is probably down."
+ " Check with 'peer status'.");
+ break;
default:
cli_out ("Detach unsuccessful\nDetach returned "
"with unknown errno %d",
diff --git a/rpc/rpc-lib/src/protocol-common.h b/rpc/rpc-lib/src/protocol-common.h
index b0918e4..5eea8b5 100644
--- a/rpc/rpc-lib/src/protocol-common.h
+++ b/rpc/rpc-lib/src/protocol-common.h
@@ -148,7 +148,8 @@ enum gf_deprobe_resp {
GF_DEPROBE_SUCCESS,
GF_DEPROBE_LOCALHOST,
GF_DEPROBE_NOT_FRIEND,
- GF_DEPROBE_BRICK_EXIST
+ GF_DEPROBE_BRICK_EXIST,
+ GF_DEPROBE_FRIEND_DOWN
};
enum gf_cbk_procnum {
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index 4978130..3101f87 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -727,6 +727,12 @@ glusterd_handle_cli_deprobe (rpcsvc_request_t *req)
}
if (!uuid_is_null (uuid) && !(cli_req.flags & GF_CLI_FLAG_OP_FORCE)) {
+ /* Check if peers are connected, except peer being detached*/
+ if (!glusterd_chk_peers_connected_befriended (uuid)) {
+ ret = -1;
+ op_errno = GF_DEPROBE_FRIEND_DOWN;
+ goto out;
+ }
ret = glusterd_all_volume_cond_check (
glusterd_friend_brick_belongs,
-1, &uuid);
@@ -1424,7 +1430,6 @@ out:
return ret;
}
-
int
glusterd_handle_friend_update_delete (dict_t *dict)
{
@@ -1925,7 +1930,6 @@ glusterd_handle_umount (rpcsvc_request_t *req)
return ret;
}
-
int
glusterd_friend_remove (uuid_t uuid, char *hostname)
{
@@ -1936,6 +1940,9 @@ glusterd_friend_remove (uuid_t uuid, char *hostname)
if (ret)
goto out;
+ ret = glusterd_friend_remove_cleanup_vols (peerinfo->uuid);
+ if (ret)
+ gf_log (THIS->name, GF_LOG_WARNING, "Volumes cleanup failed");
ret = glusterd_friend_cleanup (peerinfo);
out:
gf_log ("", GF_LOG_DEBUG, "returning %d", ret);
diff --git a/xlators/mgmt/glusterd/src/glusterd-sm.c b/xlators/mgmt/glusterd/src/glusterd-sm.c
index 8e2b589..af054c9 100644
--- a/xlators/mgmt/glusterd/src/glusterd-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-sm.c
@@ -521,6 +521,34 @@ out:
return ret;
}
+static int
+glusterd_peer_detach_cleanup (glusterd_conf_t *priv)
+{
+ int ret = -1;
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_volinfo_t *tmp_volinfo = NULL;
+
+ GF_ASSERT (priv);
+
+ list_for_each_entry_safe (volinfo,tmp_volinfo,
+ &priv->volumes, vol_list) {
+ if (!glusterd_friend_contains_vol_bricks (volinfo,
+ priv->uuid)) {
+ gf_log (THIS->name, GF_LOG_INFO,
+ "Deleting stale volume %s", volinfo->volname);
+ ret = glusterd_delete_volume (volinfo);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "Error deleting stale volume");
+ goto out;
+ }
+ }
+ }
+ ret = 0;
+out:
+ gf_log (THIS->name, GF_LOG_DEBUG, "Returning %d", ret);
+ return ret;
+}
static int
glusterd_ac_handle_friend_remove_req (glusterd_friend_sm_event_t *event,
@@ -556,9 +584,14 @@ glusterd_ac_handle_friend_remove_req (glusterd_friend_sm_event_t *event,
if (ret)
goto out;
}
-
+ ret = glusterd_peer_detach_cleanup (priv);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_WARNING,
+ "Peer detach cleanup was not successful");
+ ret = 0;
+ }
out:
- gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
+ gf_log (THIS->name, GF_LOG_DEBUG, "Returning with %d", ret);
return ret;
}
@@ -568,10 +601,13 @@ glusterd_ac_friend_remove (glusterd_friend_sm_event_t *event, void *ctx)
{
int ret = -1;
- ret = glusterd_friend_cleanup (event->peerinfo);
+ ret = glusterd_friend_remove_cleanup_vols (event->peerinfo->uuid);
+ if (ret)
+ gf_log (THIS->name, GF_LOG_WARNING, "Volumes cleanup failed");
+ ret = glusterd_friend_cleanup (event->peerinfo);
if (ret) {
- gf_log ("", GF_LOG_ERROR, "Cleanup returned: %d", ret);
+ gf_log (THIS->name, GF_LOG_ERROR, "Cleanup returned: %d", ret);
}
return 0;
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index f4b8888..9ecd78d 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -841,7 +841,7 @@ int32_t
glusterd_friend_cleanup (glusterd_peerinfo_t *peerinfo)
{
GF_ASSERT (peerinfo);
- glusterd_peerctx_t *peerctx = NULL;
+ glusterd_peerctx_t *peerctx = NULL;
if (peerinfo->rpc) {
peerctx = peerinfo->rpc->mydata;
@@ -4327,3 +4327,86 @@ out:
return ret;
}
+/* Checks if the given peer contains all the bricks belonging to the
+ * given volume. Returns true if it does else returns false
+ */
+gf_boolean_t
+glusterd_friend_contains_vol_bricks (glusterd_volinfo_t *volinfo,
+ uuid_t friend_uuid)
+{
+ gf_boolean_t ret = _gf_true;
+ glusterd_brickinfo_t *brickinfo = NULL;
+
+ GF_ASSERT (volinfo);
+
+ list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
+ if (uuid_compare (friend_uuid, brickinfo->uuid)) {
+ ret = _gf_false;
+ break;
+ }
+ }
+ gf_log (THIS->name, GF_LOG_DEBUG, "Returning %d", ret);
+ return ret;
+}
+
+/* Remove all volumes which completely belong to given friend
+ */
+int
+glusterd_friend_remove_cleanup_vols (uuid_t uuid)
+{
+ int ret = -1;
+ glusterd_conf_t *priv = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_volinfo_t *tmp_volinfo = NULL;
+
+ priv = THIS->private;
+ GF_ASSERT (priv);
+
+ list_for_each_entry_safe (volinfo, tmp_volinfo,
+ &priv->volumes, vol_list) {
+ if (glusterd_friend_contains_vol_bricks (volinfo, uuid)) {
+ gf_log (THIS->name, GF_LOG_INFO,
+ "Deleting stale volume %s", volinfo->volname);
+ ret = glusterd_delete_volume (volinfo);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "Error deleting stale volume");
+ goto out;
+ }
+ }
+ }
+ ret = 0;
+out:
+ gf_log (THIS->name, GF_LOG_DEBUG, "Returning %d", ret);
+ return ret;
+}
+
+/* Check if the all peers are connected and befriended, except the peer
+ * specified (the peer being detached)
+ */
+gf_boolean_t
+glusterd_chk_peers_connected_befriended (uuid_t skip_uuid)
+{
+ gf_boolean_t ret = _gf_true;
+ glusterd_peerinfo_t *peerinfo = NULL;
+ glusterd_conf_t *priv = NULL;
+
+ priv= THIS->private;
+ GF_ASSERT (priv);
+
+ list_for_each_entry (peerinfo, &priv->peers, uuid_list) {
+
+ if (!uuid_is_null (skip_uuid) && !uuid_compare (skip_uuid,
+ peerinfo->uuid))
+ continue;
+
+ if ((GD_FRIEND_STATE_BEFRIENDED != peerinfo->state.state)
+ || !(peerinfo->connected)) {
+ ret = _gf_false;
+ break;
+ }
+ }
+ gf_log (THIS->name, GF_LOG_DEBUG, "Returning %s",
+ (ret?"TRUE":"FALSE"));
+ return ret;
+}
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.h b/xlators/mgmt/glusterd/src/glusterd-utils.h
index 3cc137e..8401b61 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.h
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.h
@@ -362,4 +362,12 @@ glusterd_is_volume_replicate (glusterd_volinfo_t *volinfo);
gf_boolean_t
glusterd_is_brick_decommissioned (glusterd_volinfo_t *volinfo, char *hostname,
char *path);
+gf_boolean_t
+glusterd_friend_contains_vol_bricks (glusterd_volinfo_t *volinfo,
+ uuid_t friend_uuid);
+int
+glusterd_friend_remove_cleanup_vols (uuid_t uuid);
+
+gf_boolean_t
+glusterd_chk_peers_connected_befriended (uuid_t skip_uuid);
#endif