tests/shd: Add test coverage for shd mux

This patch add more test cases for shd mux test cases
The test case includes
1) Createing multiple volumes to check the attach and detach
   of self heal daemon requests.
2) Make sure the healing happens in all sceanarios
3) After a volume detach make sure the threads of the detached
   volume is all cleaned.
4) Repeat all the above tests for ec volume
5) Node Reboot case
6) glusterd restart cases
7) Add-brick/remove brick
8) Convert a distributed volume to disperse volume
9) Convert a replicated volume to distributed volume

Change-Id: I7c317ef9d23a45ffd831157e4890d7c83a8fce7b
fixes: bz#1708929
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/volume.rc b/tests/volume.rc
index 7dd829210e3..6477dfb484f 100644
--- a/tests/volume.rc
+++ b/tests/volume.rc
@@ -929,3 +929,18 @@ function volgen_check_ancestry {
                 echo "N"
         fi
 }
+
+function get_shd_mux_pid {
+   local volume=$1
+   pid=`$CLI volume status $volume shd | awk '/Self-heal/{print $8}'`
+   echo $pid
+}
+
+function shd_count {
+   ps aux | grep "glustershd" | grep -v grep | wc -l
+}
+
+function number_healer_threads_shd {
+   local pid=$(get_shd_mux_pid $1)
+   pstack $pid | grep $2 | wc -l
+}