Tier: "tier start force" command implementation

	back port of : http://review.gluster.org/#/c/12983/

The start command doesnt restart the tier deamon if the deamon
is running at one node. hence to bring up the tierd on the nodes
where the deamon is down, the force command is implemented.
It skips the check for tierd running.

>Change-Id: I0037d3e5ecfe56637d0da201a97903c435d26436
>BUG: 1292112
>Signed-off-by: hari gowtham <hgowtham@redhat.com>

Change-Id: Idaca442c1a41ded8bf555a6e34eed0ebb9ea4034
BUG: 1293698
Signed-off-by: hari <hgowtham@redhat.com>
Reviewed-on: http://review.gluster.org/13069
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Tested-by: Dan Lambright <dlambrig@redhat.com>

1 files changed, 61 insertions, 0 deletions

diff --git a/tests/basic/tier/tierd_check.t b/tests/basic/tier/tierd_check.t
new file mode 100644
index 00000000000..ee97883688d
--- /dev/null
+++ b/tests/basic/tier/tierd_check.t
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+. $(dirname $0)/../../tier.rc
+
+
+# Creates a tiered volume with pure distribute hot and cold tiers
+# Both hot and cold tiers will have an equal number of bricks.
+
+function create_dist_tier_vol () {
+        mkdir $B0/cold
+        mkdir $B0/hot
+        TEST $CLI volume create $V0 $H0:$B0/cold/${V0}{1..3}
+        TEST $CLI volume set $V0 performance.quick-read off
+        TEST $CLI volume set $V0 performance.io-cache off
+        TEST $CLI volume start $V0
+        TEST $CLI volume attach-tier $V0 $H0:$B0/hot/${V0}{1..2}
+        TEST $CLI volume set $V0 cluster.tier-mode test
+}
+
+function tier_deamon_check () {
+pgrep -f "rebalance/$V0"
+echo "$?"
+}
+
+function tier_deamon_kill () {
+pkill -f "rebalance/$V0"
+echo "$?"
+}
+
+cleanup;
+
+#Basic checks
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume status
+
+
+#Create and start a tiered volume
+create_dist_tier_vol
+
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT 0 tier_deamon_check
+
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT 0 tier_deamon_kill
+
+TEST $CLI volume tier $V0 start
+
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "0" tier_deamon_check
+
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "0" tier_deamon_kill
+
+TEST $CLI volume tier $V0 start force
+
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "0" tier_deamon_check
+
+TEST $CLI volume tier $V0 start force
+
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "0" tier_deamon_check
+
+cleanup