extras: create PID file for glusterd when started from init scripts

thanks to Jaroslav Pulchart (jaroslav.pulchart@centrum.cz) for the patch

Change-Id: Id07bf50536c8638f790f06e6e5994f85555c3978
BUG: 771221
Signed-off-by: Kaushik BV <kbudiger@redhat.com>
Reviewed-on: http://review.gluster.com/2668
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>

1 files changed, 25 insertions, 7 deletions

diff --git a/extras/init.d/glusterd-Redhat.in b/extras/init.d/glusterd-Redhat.in
index 01a3009470e..cf9d390f0cb 100755
--- a/extras/init.d/glusterd-Redhat.in
+++ b/extras/init.d/glusterd-Redhat.in
@@ -8,28 +8,46 @@
 . /etc/rc.d/init.d/functions
 
 BASE=glusterd
+PIDFILE=/var/run/$BASE.pid
+PID=`test -f $PIDFILE && cat $PIDFILE`
 GLUSTERFSD=glusterfsd
 GLUSTERFS=glusterfs
 GLUSTERD_BIN=@prefix@/sbin/$BASE
-GLUSTERD_OPTS=""
+GLUSTERD_OPTS="--pid-file=$PIDFILE"
 GLUSTERD="$GLUSTERD_BIN $GLUSTERD_OPTS"
 RETVAL=0
 
 # Start the service $BASE
 start()
 {
-    echo -n $"Starting $BASE:"
-    daemon $GLUSTERD
-    RETVAL=$?
-    echo
-    [ $RETVAL -ne 0 ] && exit $RETVAL
+       pidofproc -p $PIDFILE $GLUSTERD_BIN &> /dev/null
+       status=$?
+       if [ $status -eq 0 ]; then
+           echo "glusterd service is already running with pid $PID"
+           exit 1
+       else
+           echo -n $"Starting $BASE:"
+           daemon $GLUSTERD
+           RETVAL=$?
+           echo
+           [ $RETVAL -ne 0 ] && exit $RETVAL
+       fi
+
 }
 
 # Stop the service $BASE
 stop()
 {
     echo -n $"Stopping $BASE:"
-    killproc $BASE
+    pidofproc -p $PIDFILE $GLUSTERD_BIN &> /dev/null
+    status=$?
+    if [ $status -eq 0 ]; then
+        killproc -p $PIDFILE $BASE
+        [ -w $PIDFILE ] && rm -f $PIDFILE
+    else
+        killproc $BASE
+    fi
+
     echo
     pidof -c -o %PPID -x $GLUSTERFSD &> /dev/null
     [ $? -eq 0 ] &&  killproc $GLUSTERFSD &> /dev/null