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

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

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

stop)
HAS_KEEP_SHELL=`ps -ef | grep "dae-yarnworker.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/yarn-daemon.sh stop nodemanager > /dev/null
;;

status)
HAS_NM=`ps -ef | grep "org.apache.hadoop.yarn.server.nodemanager.NodeManager" | grep -v grep | wc -l`

if [ $HAS_NM -eq "0" ];then
echo "NodeManager not running!"
else
echo "NodeManager is running!"
fi
;;

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