zookeeper

#!/bin/bash
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Starts a Zookeeper server
#
# chkconfig: 35 85 15
# description: Zookeeper
#
### BEGIN INIT INFO
# Provides:          zookeeper
# Short-Description: ZooKeeper Service
# Default-Start:     3 5
# Default-Stop:      0 1 6
# Required-Start:    $local_fs $network $remote_fs
# Required-Stop:     $local_fs $network $remote_fs
# Should-Start:
# Should-Stop:
### END INIT INFO

DAEMON_PATH=/usr/bin
DAEMON_NAME=zookeeper-server

PIDFILE=/var/run/zookeeper.pid
PATH=$PATH:$DAEMON_PATH
PROPERTIES_FILE=/etc/kafka/zookeeper.properties
START_SCRIPT=zookeeper-server-start
NAME="ZooKeeper"

LOG_FILE=/var/log/kafka/zookeeper.out

case "$1" in
start)
  echo "Starting $DAEMON_NAME";
  PID=`$DAEMON_PATH/$START_SCRIPT $PROPERTIES_FILE > $LOG_FILE 2>&1 & echo $!`

  if [ -z $PID ]; then
      printf "%s\n" "$NAME failed to start"
  else
      echo $PID > $PIDFILE
      printf "%s\n" "$NAME started"
  fi
;;
status)
        if [ -f $PIDFILE ]; then
            PID=`cat $PIDFILE`
            if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
                printf "%s\n" "$NAME process dead but pidfile exists"
            else
                echo "$NAME running"
            fi
        else
            printf "%s\n" "$NAME service not running"
        fi
;;
stop)
        printf "%-50s" "Stopping $NAME"
            PID=`cat $PIDFILE`
            cd $DAEMON_PATH
        if [ -f $PIDFILE ]; then
            kill -HUP $PID
            printf "%s\n" "$NAME stopped"
            rm -f $PIDFILE
        else
            printf "%s\n" "$NAME pidfile not found"
        fi
;;

restart)
    $0 stop
    sleep 2
    $0 start
;;

*)
        echo "Usage: $0 {status|start|stop|restart}"
        exit 1
esac

exit 0