#!/bin/bash
#
# vmops		Script to start and stop the VMOps Agent.
#
# Author:       Chiradeep Vittal <chiradeep@vmops.com>
# chkconfig: 2345 99 01
# description: 	Start up the VMOps agent

# 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.


# Source function library.
if [ -f /etc/init.d/functions ]
then
  . /etc/init.d/functions
fi

_success() {
  if [ -f /etc/init.d/functions ]
  then
    success
  else
    echo "Success"
  fi
}

_failure() {
  if [ -f /etc/init.d/functions ]
  then
    failure
  else
    echo "Failed"
  fi
}
RETVAL=$?
VMOPS_HOME="/usr/local/vmops"

mkdir -p /var/log/vmops

get_pids() {
  local i
  for i in $(ps -ef| grep java | grep -v grep | awk '{print $2}'); 
  do 
    echo $(pwdx $i) | grep "$VMOPS_HOME" | grep -i console | awk -F: '{print $1}'; 
  done
}

start() {
   local pid=$(get_pids)
   echo -n "Starting VMOps Console Proxy: "
   if [ -f $VMOPS_HOME/consoleproxy/run.sh ];
   then
     if [ "$pid" == "" ]
     then
       (cd $VMOPS_HOME/consoleproxy; nohup ./run.sh > /var/log/vmops/vmops.out 2>&1 & )
       pid=$(get_pids)
       echo $pid > /var/run/vmops.pid 
     fi
     _success
   else
     _failure
   fi
   echo
}

stop() {
  local pid
  echo -n  "Stopping VMOps agent: "
  for pid in $(get_pids)
  do
    kill $pid
  done
  _success
  echo
}

status() {
  local pids=$(get_pids)
  if [ "$pids" == "" ]
  then
    echo "VMOps agent is not running"
    return 1
  fi
  echo "VMOps agent is running: process id: $pids"
  return 0
}


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

exit $RETVAL