Merge pull request #38 from sschneid/init_script

Adding init.d script

scripts/vmpooler_init.sh

@@ -0,0 +1,61 @@
+#!/bin/bash
+# vmpooler
+# chkconfig: 345 20 80
+
+DAEMON_PATH="/var/lib/vmpooler"
+
+DAEMON="/usr/bin/jruby"
+DAEMONOPTS="vmpooler -s Puma -E production"
+
+NAME="vmpooler"
+DESC="Provide configurable 'pools' of available (running) virtual machines"
+PIDFILE=/var/run/$NAME.pid
+SCRIPTNAME=/etc/init.d/$NAME
+
+case "$1" in
+start)
+  printf "%-50s" "Starting $NAME..."
+  cd $DAEMON_PATH
+  PID=`$DAEMON $DAEMONOPTS > /dev/null 2>&1 & echo $!`
+        if [ -z $PID ]; then
+            printf "%s\n" "fail"
+        else
+            echo $PID > $PIDFILE
+            printf "%s\n" "ok"
+        fi
+;;
+status)
+        printf "%-50s" "Checking $NAME..."
+        if [ -f $PIDFILE ]; then
+            PID=`cat $PIDFILE`
+            if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
+                printf "%s\n" "process dead but pidfile exists"
+            else
+                printf "%s\n" "running"
+            fi
+        else
+            printf "%s\n" "not running"
+        fi
+;;
+stop)
+        printf "%-50s" "Stopping $NAME..."
+            PID=`cat $PIDFILE`
+            cd $DAEMON_PATH
+        if [ -f $PIDFILE ]; then
+            kill -HUP $PID
+            printf "%s\n" "ok"
+            rm -f $PIDFILE
+        else
+            printf "%s\n" "pidfile not found"
+        fi
+;;
+
+restart)
+    $0 stop
+    $0 start
+;;
+
+*)
+        echo "Usage: $0 {status|start|stop|restart}"
+        exit 1
+esac