glusterd: fix few events generation

This patch does the following:
1. Generate PEER_REJECT event if the peer add request is from an unknown peer
during peer handshaking.
2. EVENT_COMPARE_FRIEND_VOLUME_FAILED should be generated based on status code,
not ret.
3. Add EVENT_BRICKPATH_RESOLVE_FAILED event in case glusterd fails to resolve
bricks, this is mainly at restore path.
4. Remove EVENT_BRICKS_START_FAILED event as we already have
EVENT_BRICK_START_FAILED

>Reviewed-on: http://review.gluster.org/15903
>Smoke: Gluster Build System <jenkins@build.gluster.org>
>NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
>CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
>Reviewed-by: Samikshan Bairagya <samikshan@gmail.com>

Change-Id: I90e5bc4a331166d0bb3554eb2ec9df2526837a1d
BUG: 1397705
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-on: http://review.gluster.org/15912
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Samikshan Bairagya <samikshan@gmail.com>

6 files changed, 17 insertions, 8 deletions

diff --git a/events/eventskeygen.py b/events/eventskeygen.py
index d54968a1d33..23dfb478904 100644
--- a/events/eventskeygen.py
+++ b/events/eventskeygen.py
@@ -112,7 +112,6 @@ keys = (
     "EVENT_BRICK_STOP_FAILED",
     "EVENT_BRICK_DISCONNECTED",
     "EVENT_BRICK_CONNECTED",
-    "EVENT_BRICKS_START_FAILED",
     "EVENT_BRICKPATH_RESOLVE_FAILED",
     "EVENT_NOTIFY_UNKNOWN_OP",
     "EVENT_QUORUM_LOST",
diff --git a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c
index 7bed110dce9..19db03a5201 100644
--- a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c
+++ b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c
@@ -1501,7 +1501,8 @@ glusterd_op_perform_add_bricks (glusterd_volinfo_t *volinfo, int32_t count,
                         ret = glusterd_resolve_brick (brickinfo);
                         if (ret) {
                                 gf_msg ("glusterd", GF_LOG_ERROR, 0,
-                                        GD_MSG_RESOLVE_BRICK_FAIL, FMTSTR_RESOLVE_BRICK,
+                                        GD_MSG_RESOLVE_BRICK_FAIL,
+                                        FMTSTR_RESOLVE_BRICK,
                                         brickinfo->hostname, brickinfo->path);
                                 goto out;
                         }
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index 3fe1c8c7c03..ba927aed4ce 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -107,6 +107,7 @@ glusterd_handle_friend_req (rpcsvc_request_t *req, uuid_t  uuid,
         peerinfo = glusterd_peerinfo_find (uuid, rhost);
 
         if (peerinfo == NULL) {
+                gf_event (EVENT_PEER_REJECT, "peer=%s", hostname);
                 ret = glusterd_xfer_friend_add_resp (req, hostname, rhost, port,
                                                      -1, GF_PROBE_UNKNOWN_PEER);
                 if (friend_req->vols.vols_val) {
diff --git a/xlators/mgmt/glusterd/src/glusterd-replace-brick.c b/xlators/mgmt/glusterd/src/glusterd-replace-brick.c
index 2fb14208255..77d39c013ac 100644
--- a/xlators/mgmt/glusterd/src/glusterd-replace-brick.c
+++ b/xlators/mgmt/glusterd/src/glusterd-replace-brick.c
@@ -372,7 +372,6 @@ glusterd_op_perform_replace_brick (glusterd_volinfo_t  *volinfo,
                 goto out;
 
         ret = glusterd_resolve_brick (new_brickinfo);
-
         if (ret)
                 goto out;
 
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.c b/xlators/mgmt/glusterd/src/glusterd-store.c
index b529e039c97..25fe8748bc8 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.c
+++ b/xlators/mgmt/glusterd/src/glusterd-store.c
@@ -3430,6 +3430,10 @@ glusterd_resolve_snap_bricks (xlator_t  *this, glusterd_snap_t *snap)
                                          brick_list) {
                         ret = glusterd_resolve_brick (brickinfo);
                         if (ret) {
+                                gf_event (EVENT_BRICKPATH_RESOLVE_FAILED,
+                                          "peer=%s;volume=%s;brick=%s",
+                                          brickinfo->hostname, volinfo->volname,
+                                          brickinfo->path);
                                 gf_msg (this->name, GF_LOG_ERROR, 0,
                                         GD_MSG_RESOLVE_BRICK_FAIL,
                                         "resolve brick failed in restore");
@@ -4403,6 +4407,10 @@ glusterd_resolve_all_bricks (xlator_t  *this)
                                          brick_list) {
                         ret = glusterd_resolve_brick (brickinfo);
                         if (ret) {
+                                gf_event (EVENT_BRICKPATH_RESOLVE_FAILED,
+                                          "peer=%s;volume=%s;brick=%s",
+                                          brickinfo->hostname, volinfo->volname,
+                                          brickinfo->path);
                                 gf_msg ("glusterd", GF_LOG_ERROR, 0,
                                         GD_MSG_RESOLVE_BRICK_FAIL,
                                         "resolve brick failed in restore");
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index 6f332de556e..9e4419c7247 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -2998,7 +2998,7 @@ glusterd_compare_friend_volume (dict_t *peer_data, int32_t count,
         *status = GLUSTERD_VOL_COMP_SCS;
 
 out:
-        if (ret) {
+        if (*status == GLUSTERD_VOL_COMP_RJT) {
                 gf_event (EVENT_COMPARE_FRIEND_VOLUME_FAILED, "volume=%s",
                           volinfo->volname);
         }
@@ -4144,10 +4144,7 @@ glusterd_import_friend_volume (dict_t *peer_data, size_t count)
         }
 
         if (glusterd_is_volume_started (new_volinfo)) {
-                if (glusterd_start_bricks (new_volinfo)) {
-                        gf_event (EVENT_BRICKS_START_FAILED, "volume=%s",
-                                  new_volinfo->volname);
-                }
+                (void) glusterd_start_bricks (new_volinfo);
                 if (glusterd_is_snapd_enabled (new_volinfo)) {
                         svc = &(new_volinfo->snapd.svc);
                         if (svc->manager (svc, new_volinfo,
@@ -5922,6 +5919,10 @@ glusterd_brick_stop (glusterd_volinfo_t *volinfo,
         if (gf_uuid_is_null (brickinfo->uuid)) {
                 ret = glusterd_resolve_brick (brickinfo);
                 if (ret) {
+                        gf_event (EVENT_BRICKPATH_RESOLVE_FAILED,
+                                  "peer=%s;volume=%s;brick=%s",
+                                  brickinfo->hostname, volinfo->volname,
+                                  brickinfo->path);
                         gf_msg (this->name, GF_LOG_ERROR, 0,
                                 GD_MSG_RESOLVE_BRICK_FAIL, FMTSTR_RESOLVE_BRICK,
                                 brickinfo->hostname, brickinfo->path);