多台机器同时发布版本脚本

最近在发布版本时，需要多个台主机之间来回scp，而且每次需要数据密码，操作比较麻烦。因此，写个脚本一键发布。
前提需要ssh免密钥登录，具体操作详解ssh免密钥登录。

#!/bin/bash

dest_ip_arr=(10.99.11.23)
dest_lib_dir="/instance/filesevice/devstat_lib"
dest_tomcat_dir="/instacne/filesevice/tomcat-file-show"
src_jar="/instance/filesevice/devstat/devstat.war"


port=22
jar_xvf_cmd="cd $dest_lib_dir; /software/jdk1.7.0_65/bin/jar -xvf $dest_lib_dir/devstat.war"
start_cmd="cd $dest_tomcat_dir/bin; /bin/sh startup.sh"
stop_cmd="cd $dest_tomcat_dir/bin; /bin/sh shutdown.sh"
get_pid_cmd="ps -ef |grep -w \"$dest_tomcat_dir\" |grep -v 'grep' |awk '{print $2}'"
user=work


function start() {
  for ip in ${dest_ip_arr[@]};
  do
    echo "start $ip  $dest_tomcat_dir now"
    ssh -l$user -p$port $ip "$start_cmd"
    pid=`ssh -l$user -p$port $ip "$get_pid_cmd"`
    test "$pid" != '' && echo "start $ip $dest_tomcat_dir ok" || echo "start  $ip $dest_tomcat_dir failed!"
    sleep 1
  done
}


function stop() {
  for ip in ${dest_ip_arr[@]};
  do
    echo "stop $ip  $dest_tomcat_dir now"
    ssh -l$user -p$port $ip "$stop_cmd"
    pid=`ssh -l$user -p$port $ip "$get_pid_cmd"`
    test "$pid" != ''&& echo "stop $ip $dest_tomcat_dir ok!" || echo "stop $ip $dest_tomcat_dir ok!"
    sleep 1
  done
}




function status() {
  for ip in ${dest_ip_arr[@]};
  do
   pid=`ssh -l$user -p$port $ip "$get_pid_cmd"`
   test "$pid" != '' && echo "$ip $dest_tomcat_dir is running, and the pid is $pid" || echo "can not detect the pid of $ip $dest_tomcat_dir is !"
  done
}


function restart() {
  for ip in ${dest_ip_arr[@]};
  do
    echo "restart $ip $dest_tomcat_dir now"
    ssh -l$user -p$port $ip "$stop_cmd"
    pid=`ssh -l$user -p$port $ip "$get_pid_cmd"`
    test "$pid" == '' && echo "stop $ip $dest_tomcat_dir ok!"
    sleep 1
    ssh -l$user -p$port $ip "$start_cmd"
    pid=`ssh -l$user -p$port $ip "$get_pid_cmd"`
    test "$pid" != '' && echo "restart $ip $dest_tomcat_dir  ok" || echo "restart $ip $dest_tomcat_dir  failed!"
  done
}


function scp_and_unzip(){
  for ip in ${dest_ip_arr[@]};
  do
   echo "scp jar/war package to $ip $dest_lib_dir start"
   scp $src_jar $user@$ip:$dest_lib_dir
   echo "scp jar/war package to $ip $dest_lib_dir end"
   ssh -l$user -p$port $ip "$jar_xvf_cmd"
   echo "unzip  $ip $dest_lib_dir package"
  done
}


function publish_restart(){
  scp_and_unzip
  restart
}


function publish_start(){
  scp_and_unzip
  start
}


case "$1" in
  start)
    start
  ;;
  stop)
    stop
  ;;
  status)
    status
  ;;
  restart)
     restart
  ;;
  prestart)
     publish_restart
  ;;
  pstart)
     publish_start
  ;;
  * )
    echo "usage: $0 {start|pstart|stop|status|prestart|restart}"
    exit 1
  ;;
esac