#!/bin/bash
#set -x
set -e

echoPrefix="\033[36m+"
echoSuffix="\033[0m"

installPath=/opt/elasticsearch/elasticsearch-7.17.5
serverName=test_elasticsearch
cmd=$1

startServer() {
  pid=$1
  if [ -z $pid ];then
    echo -e "$echoPrefix cd $installPath/bin $echoSuffix"
    cd $installPath/bin
    echo -e "$echoPrefix nohup ./elasticsearch >>/dev/null 2>&1 & $echoSuffix"
    nohup ./elasticsearch >>/dev/null 2>&1 &
    echo "$serverName 启动成功!"
  else
    echo "$serverName 正在运行..."
  fi
  echo "日志目录: cd $installPath/logs"
}

stopServer() {
  pid=$1
  if [ -z $pid ];then
    echo "$serverName 未运行"
  else
    echo -e "$echoPrefix ps -ef | grep "DappName=${serverName}" | grep -v 'grep' | awk '{print \$2}' | xargs kill $echoSuffix"
    ps -ef | grep "DappName=${serverName}" | grep -v 'grep' | awk '{print $2}' | xargs kill
    echo "$serverName 已停止!"
  fi
}

restartServer() {
  pid=$1
  if [ ! -z $pid ];then
    stopServer $pid
    sleep 3s
  fi
  startServer
}

pid=`ps -ef | grep "DappName=${serverName}" | grep -v 'grep' | awk '{print $2}'`
# 操作参数: restart start stop kill
if [ "$cmd" == "restart" ];then
  restartServer $pid
elif [ "$cmd" == "start" ];then
  startServer $pid
elif [ "$cmd" == "stop" ] || [ "$cmd" == "kill" ];then
  stopServer $pid
else
  if [ -z $pid ];then
    echo "$serverName 未运行 | 输入操作参数: restart start stop kill"
    echo "日志目录: cd $installPath/logs"
  else
    echo "输入操作参数: restart start stop kill"
    echo "pid=$pid | $serverName 正在运行... | 日志目录: cd $installPath/logs"
  fi
fi

# bash <(curl -s http://git.yvanui.com/lizhiwei/jztd-deploy/raw/master/00base/04elasticsearch.sh) [cmd]