create management shell

provide start/stop/restart command

Author: vipwangtian

zkui.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+PIDFILE=/var/run/zkui.pid
+ZKUIBINDIR=$(cd `dirname $0`; pwd)
+ZKUICLASSNAME="zkui-2.0-SNAPSHOT-jar-with-dependencies.jar"
+ZKUI_DAEMON_OUT=$ZKUIBINDIR/zkui.out
+
+start(){
+    echo  -n "Starting zkui ... "
+    if [ -f "$PIDFILE" ]; then
+        if kill -0 `cat "$PIDFILE"` > /dev/null 2>&1; then
+            echo zkui already running as process `cat "$PIDFILE"`. 
+            exit 0
+        fi
+    fi
+    nohup java -jar "$ZKUIBINDIR/$ZKUICLASSNAME" > "$ZKUI_DAEMON_OUT" 2>&1 < /dev/null &
+    if [ $? -eq 0 ];
+    then
+        echo $!>$PIDFILE
+        if [ $? -eq 0 ];
+        then
+            sleep 1
+            echo STARTED
+        else
+            echo FAILED TO WRITE PID
+            exit 1
+        fi
+    else
+        echo SERVER DID NOT START
+        exit 1
+    fi
+}
+
+stop(){
+    echo -n "Stopping zkui ... "
+    if [ ! -f "$PIDFILE" ]
+    then
+        echo "no zkui to stop (could not find file $PIDFILE)"
+    else
+        kill -9 $(cat "$PIDFILE")
+        rm "$PIDFILE"
+        echo STOPPED
+    fi
+    exit 0
+}
+
+case "$1" in
+start)
+    start
+    ;;
+stop)
+    stop
+    ;;
+restart)
+    shift
+    "$0" stop
+    sleep 3
+    "$0" start
+    ;;
+*)
+    echo "Usage: $0 {start|stop|restart}" >&2
+esac