Flume start、stop、restart 、shell脚

#日期：20170925
#用户:Jerome
#参数：start|stop|restart
#功能：flume 启动停止重启
#使用方法:
#./execflume.sh start flume_cmbc.conf(配置文件，自己修改) Cobub（代理名称，自己修改）
#./execflume.sh stop
#./execflume.sh restart flume_cmbc.conf(配置文件，自己修改) Cobub（代理名称，自己修改）
path=$(cd `dirname $0`; pwd)
echo $path
process=$2
AgentName=$3
JAR="flume"

function start(){
    echo "开始启动 ...."
    num=`ps -ef|grep java|grep $JAR|wc -l`
    echo "进程数:$num"
    if [ "$num" = "0" ] ; then
        #eval nohup java -Xmx512m -jar -DplanNames=$planNames -DconfigPath=$CONFIG_PATH $jarpath/$JAR `echo $@|cut -d " " -f3-$#` >> /dev/null 2>&1 &
        # 请自行修改启动的所需要的参数
        eval nohup ../bin/flume-ng agent -c $path -f $path/$process --name $AgentName &
        echo "启动成功...."
        echo "日志路径: $path/logs/flume.log"
    else
        echo "进程已经存在，启动失败，请检查....."
        exit 0
    fi
}

function stop(){
    echo "开始stop ....."
    num=`ps -ef|grep java|grep $JAR|wc -l`
    if [ "$num" != "0" ] ; then
        #ps -ef|grep java|grep $JAR|awk '{print $2;}'|xargs kill -9
        # 正常停止flume
        ps -ef|grep java|grep $JAR|awk '{print $2;}'|xargs kill
        echo "进程已经关闭..."
    else
        echo "服务未启动，无需停止..."
    fi
}


function restart(){
    echo "begin stop process ..."
    stop
    # 判断程序是否彻底停止
    num=`ps -ef|grep java|grep $JAR|wc -l`
    while [ $num -gt 0 ]; do
        sleep 1
        num=`ps -ef|grep java|grep $JAR|wc -l`
    done
    echo "process stoped,and starting ..."
    start
    echo "started ..."
}

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