dist: supports initd for non-systemd distros

Problem
    gluster-blockd supports systemd officially but many legacy distros
    want to use initd

Resolve
    includes initd scripts for non-systemd distros

Change-Id: I8495e8d9abbef6d26ac7dc8dbbe6d07e7713f537
Signed-off-by: Ji-Hyeon Gim <potatogim@gluesys.com>

2 files changed, 151 insertions, 4 deletions

diff --git a/systemd/Makefile.am b/systemd/Makefile.am
index e1545db..798b4a8 100644
--- a/systemd/Makefile.am
+++ b/systemd/Makefile.am
@@ -1,13 +1,18 @@
-DISTCLEANFILES = Makefile.in gluster-blockd.service gluster-block-target.service
+DISTCLEANFILES = Makefile.in gluster-blockd.service gluster-block-target.service \
+                 gluster-blockd.initd
 
-CLEANFILES = *~ gluster-blockd.service gluster-block-target.service
+CLEANFILES = *~ gluster-blockd.service gluster-block-target.service \
+             gluster-blockd.initd
 
-EXTRA_DIST = gluster-blockd.service.in gluster-block-target.service.in   \
-             gluster-blockd.sysconfig
+EXTRA_DIST = gluster-blockd.service.in gluster-block-target.service.in \
+             gluster-blockd.initd.in gluster-blockd.sysconfig
 
 if USE_SYSTEMD
 # systemddir is already defined through configure.ac
 systemd_DATA = gluster-blockd.service gluster-block-target.service
+else
+# initddir is already defined through configure.ac
+initd_DATA = gluster-blockd.initd
 endif
 
 install-data-local:
diff --git a/systemd/gluster-blockd.initd.in b/systemd/gluster-blockd.initd.in
new file mode 100644
index 0000000..39fb256
--- /dev/null
+++ b/systemd/gluster-blockd.initd.in
@@ -0,0 +1,142 @@
+#!/bin/bash
+#
+# gluster-blockd    Startup script for the gluster-blockd server
+#
+# chkconfig:   - 20 80
+# description: GlusterFS block server
+
+### BEGIN INIT INFO
+# Provides: gluster-block
+# Required-Start: $local_fs $network
+# Required-Stop: $local_fs $network
+# Should-Start:
+# Should-Stop:
+# Default-Start: 2 3 4 5
+# Default-Stop: 0 1 6
+# Short-Description: glusterfs block server
+# Description:       GlusterFS block server
+### END INIT INFO
+#
+
+# Source function library.
+. /etc/rc.d/init.d/functions
+
+BASE=gluster-blockd
+
+# Fedora File System Layout dictates /run
+[ -e /run ] && RUNDIR="/run"
+PIDFILE="${RUNDIR:-/var/run}/${BASE}.pid"
+
+PID=`test -f $PIDFILE && cat $PIDFILE`
+
+# Overwriteable from sysconfig
+GB_GLFS_LRU_COUNT=5
+GB_LOG_LEVEL='INFO'
+GB_EXTRA_ARGS=""
+GB_NOFILE='65536'
+
+[ -f /etc/sysconfig/${BASE} ] && . /etc/sysconfig/${BASE}
+
+[ ! -z $GB_LOG_LEVEL ] && GB_OPTIONS="${GB_OPTIONS} --log-level ${GB_LOG_LEVEL}"
+[ ! -z $GB_GLFS_LRU_COUNT ] && GB_OPTIONS="${GB_OPTIONS} --glfs-lru-count ${GB_GLFS_LRU_COUNT}"
+[ ! -z $GB_EXTRA_ARGS ] && GB_OPTIONS="${GB_OPTIONS} ${GB_EXTRA_ARGS}"
+
+GBD_BIN=@prefix@/sbin/$BASE
+GBD_OPTS="${GB_OPTIONS}"
+GBD="$GBD_BIN $GBD_OPTS"
+RETVAL=0
+
+LOCKFILE=/var/lock/subsys/${BASE}
+
+# Start the service $BASE
+start()
+{
+       if pidofproc -p $PIDFILE $GBD_BIN &> /dev/null; then
+           echo "gluster-blockd service is already running with pid $PID"
+           return 0
+       else
+           ulimit -n $GB_NOFILE
+           echo -n $"Starting $BASE:"
+           nohup $GBD &> /dev/null &
+           RETVAL=$?
+           echo
+           [ $RETVAL -eq 0 ] && touch $LOCKFILE
+           return $RETVAL
+       fi
+}
+
+# Stop the service $BASE
+stop()
+{
+    echo -n $"Stopping $BASE:"
+    if pidofproc -p $PIDFILE $GBD_BIN &> /dev/null; then
+        killproc -p $PIDFILE $BASE
+    else
+        killproc $BASE
+    fi
+    RETVAL=$?
+    echo
+    [ $RETVAL -eq 0 ] && rm -f $LOCKFILE
+    return $RETVAL
+}
+
+restart()
+{
+    stop
+    start
+}
+
+reload()
+{
+    restart
+}
+
+force_reload()
+{
+    restart
+}
+
+rh_status()
+{
+    status $BASE
+}
+
+rh_status_q()
+{
+    rh_status &>/dev/null
+}
+
+
+### service arguments ###
+case $1 in
+    start)
+        rh_status_q && exit 0
+        $1
+        ;;
+    stop)
+        rh_status_q || exit 0
+        $1
+        ;;
+    restart)
+        $1
+        ;;
+    reload)
+        rh_status_q || exit 7
+        $1
+        ;;
+    force-reload)
+        force_reload
+        ;;
+    status)
+        rh_status
+        ;;
+    condrestart|try-restart)
+        rh_status_q || exit 0
+        restart
+        ;;
+    *)
+        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
+        exit 1
+esac
+
+exit $?