extras: add a script to stop all the glusterfs process

Change-Id: I9f73bf0308625695ed78db06478963d16644852a
Signed-off-by: Amar Tumballi <amarts@redhat.com>
Reviewed-on: http://review.gluster.org/6270
Reviewed-by: Sachidananda Urs <sacchi@gmail.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>

extras/stop-all-gluster-processes.sh

@@ -0,0 +1,33 @@
+#! /bin/sh
+
+function main()
+{
+    for pidfile in $(find /var/lib/glusterd/ -iname '*pid');
+    do
+        pid=$(cat ${pidfile});
+        echo "sending SIGTERM to process $pid";
+        kill -TERM $pid;
+    done
+
+    # for geo-replication, only 'monitor' has pid file written, other
+    # processes are not having a pid file, so get it through 'ps' and
+    # handle these processes
+    gsyncpid=`ps aux | grep gluster | grep gsync | awk '{print $2}'`;
+    test -n $gsyncpid && kill -TERM $gsyncpid;
+
+    sleep 5;
+
+    # if pid file still exists, its something to KILL
+    for pidfile in $(find /var/lib/glusterd/ -iname '*pid');
+    do
+        pid=$(cat ${pidfile});
+        echo "sending SIGKILL to process $pid";
+        kill -KILL $pid;
+    done
+
+    # handle 'KILL' of geo-replication
+    gsyncpid=`ps aux | grep gluster | grep gsync | awk '{print $2}'`;
+    test -n $gsyncpid && kill -KILL $gsyncpid;
+}
+
+main "$@";