[alex@hadoop102 ~]$ cd /usr/local/bin/
[alex@hadoop102 bin]$ sudo touch xhiveservices.sh
[alex@hadoop102 bin]$ sudo chown alex:alex xhiveservices.sh
[alex@hadoop102 bin]$ chmod 755 xhiveservices.sh 
[alex@hadoop102 bin]$ vim xhiveservices.sh
#!/bin/bash

HIVE_HOME='/opt/module/hive-3.1.2'
HIVE_LOG_DIR="${HIVE_HOME}/logs"

if [ ! -d $HIVE_LOG_DIR ]
then
    mkdir -p $HIVE_LOG_DIR
fi

#检查进程是否运行正常，参数1为进程名，参数2为进程端口
function check_process()
{
    pid=$(ps -ef 2>/dev/null | grep -v grep | grep -i $1 | awk '{print $2}')
    ppid=$(netstat -nltp 2>/dev/null | grep $2 | awk '{print $7}' | cut -d '/' -f 1)
    echo $pid
    [[ "$pid" =~ "$ppid" ]] && [ "$ppid" ] && return 0 || return 1
}

function hive_start()
{
    metapid=$(check_process HiveMetastore 9083)
    cmd="nohup hive --service metastore > $HIVE_LOG_DIR/metastore.log 2>&1 &"
    [ -z "$metapid" ] && eval $cmd || echo "Metastroe服务已启动"
    server2pid=$(check_process HiveServer2 10000)
    cmd="nohup hive --service hiveserver2 > $HIVE_LOG_DIR/hiveServer2.log 2>&1 &"
    [ -z "$server2pid" ] && eval $cmd || echo "HiveServer2服务已启动"
}

function hive_stop()
{
    metapid=$(check_process HiveMetastore 9083)
    [ "$metapid" ] && kill $metapid || echo "Metastore服务未启动"
    server2pid=$(check_process HiveServer2 10000)
    [ "$server2pid" ] && kill $server2pid || echo "HiveServer2服务未启动"
}

case $1 in
    "start")
        hive_start
    ;;
    "stop")
        hive_stop
    ;;
    "restart")
        hive_stop
        sleep 2
        hive_start
    ;;
    "status")
        check_process HiveMetastore 9083 >/dev/null && echo "Metastore服务运行正常" || echo "Metastore服务运行异常"
        check_process HiveServer2 10000 >/dev/null && echo "HiveServer2服务运行正常" || echo "HiveServer2服务运行异常"
    ;;
    *)
        echo Invalid Args!
        echo 'Usage: '$(basename $0)' start|stop|restart|status'
    ;;
esac