黑猴子的家：es.sh

#!/bin/bash

user=`whoami`
elasticsearch_home=/opt/module/elasticsearch-7.10.2

echo -e "================    正在 $1 ElasticSearch       ==========="
case $1 in
    start)
        for((host=102; host<=104; host++)); do
            echo -e "\n--- $1 $user@hadoop$host---"
            ssh $user@hadoop$host "nohup $elasticsearch_home/bin/elasticsearch -d -p $elasticsearch_home/es.pid > /dev/null 2>&1"
        done
    ;;
    stop)
        for((host=102; host<=104; host++)); do
            echo -e "\n--- $1 $user@hadoop$host---"
            ssh $user@hadoop$host 'kill `cat /opt/module/elasticsearch-7.10.2/es.pid`'
        done
    ;;
    *)
        echo "你启动的姿势不对"
        echo "  start   启动elasticsearch集群"
        echo "  stop    停止elasticsearch集群"
    ;;
esac