#!/bin/bash
# 
# netconsole    This loads the netconsole module with the configured parameters.
#
# chkconfig:123456 40 60
# description: keephdfsworker
source /etc/profile
PRO_NAME=keephdfsworker

INS_DIR={{ deploy_dir }}
#版本
VERSION={{ hadoop_version }}

case $1 in
start)
worker=`ps -ef | grep dae-hdfsworker.sh | grep -v grep | wc -l`
if [ $worker -lt 1 ];then
nohup $INS_DIR/$VERSION/sbin/dae-hdfsworker.sh > /dev/null 2>&1 &
fi

;;

stop)
HAS_KEEP_SHELL=`ps -ef | grep dae-hdfsworker.sh | grep -v grep | awk '{print $2}'`
if [ $HAS_KEEP_SHELL ];then
echo "守护进程PID：$HAS_KEEP_SHELL"
kill -9 $HAS_KEEP_SHELL
fi

sh $INS_DIR/$VERSION/sbin/hadoop-daemon.sh stop datanode > /dev/null
;;

status)
num=`ps -ef | grep DataNode | grep -v grep | wc -l`
if [ "$num" -eq "1" ];then
echo "DataNode进程已启动"
else
echo "DataNode进程未启动"
fi

;;

* )
echo "use keephdfsworker [start|stop|status]"
;;
esac