CI/CD简单代码发布脚本

残血版CI/CD脚本

如有需要，可根据博主的模板做自定义修改，具体流程博主不做过多描述了，此脚本支持双分支发布、测试、编译构建、web上下线、版本回滚等功能

说明：使用此脚本时需要在jenkins中传递4个变量参数

• METHOD 对应发布还是回滚
• BRANCH 代码分支是什么
• GROUP 运行代码的主机组
• OPS 用于选择回滚N个版本，仅在回滚代码时生效，发布时可不管

#!/bin/bash

DATE=`date +%m%d%H%M`
METHOD=$1
BRANCH=$2
GROUP=$3
BACK_VS=$4

function IP_list(){
  if [[ ${GROUP} == "group1" ]];then
	 Server_IP="2.2.2.22"
	 proxy_ser="tomcat-develop"
	 echo ${Server_IP}
  elif [[ ${GROUP} == "group2" ]];then
	 Server_IP="2.2.2.32 "
	 proxy_ser="tomcat-master"
	 echo ${Server_IP}
	 ssh root@2.2.2.12 "echo set weight tomcat-develop/2.2.2.22 1 |socat stdio /var/lib/haproxy/stats"
	 ssh root@2.2.2.25 "echo set weight tomcat-develop/2.2.2.22 1 |socat stdio /var/lib/haproxy/stats"
  elif [[ ${GROUP} == "group3" ]];then
	 Server_IP="2.2.2.22 2.2.2.32"
	 proxy_ser="tomcat-develop tomcat-master"
	 echo ${Server_IP}
  fi
}

function clone_code(){
  cd ~/git/ && rm -rf ./*
  git clone -b $BRANCH git@2.2.2.25:devgp/web1.git 
  echo "代码clone完成"
}

function scanner_code(){
  cd ~/git/web1 && sonar-scanner
  echo "代码扫描完成,请打开sonarqube查看扫描结果"
}

function code_maven(){
  echo  "cd ~/git/web1 && mvn clean package -Dmaven.test.skip=true"
  echo "代码编译完成"
}


function make_tgz(){
  cd ~/git/web1 && tar czf web1-${DATE}.tgz *
  echo "代码打包完成"
}

down_node(){
	for i in $proxy_ser ;do
	  for node in ${Server_IP};do
		ssh root@2.2.2.25 "echo set weight ${i}/${node} 0 | socat stdio /var/lib/haproxy/stats" 
		echo "${node} 从负载均衡2.2.2.25下线成功"; 
		ssh root@2.2.2.12 "echo set weight  ${i}/${node} 0 | socat stdio /var/lib/haproxy/stats"
		echo "${node} 从负载均衡2.2.2.22下线成功"; 
	  done
	done
}

function scp_tgzfile(){
  cd ~/git/web1
  for node in ${Server_IP};do
	ssh root@${node} "rm -rf /data/apps_tgz/*";
	scp web1-${DATE}.tgz root@$node:/data/apps_tgz;
	ssh root@${node} "cd /data/apps_tgz/ && mkdir /data/apps_dir/web1-${DATE} && tar xf web1-${DATE}.tgz -C /data/apps_dir/web1-${DATE} && rm -rf /data/apps/web1 && ln -sv  /data/apps_dir/web1-${DATE} /data/apps/web1"
  done
}

function stop_tomcat(){
  for node in ${Server_IP};do
	{ ssh root@${node}   "systemctl stop tomcat.service"; }&
  done
}

function start_tomcat(){
  for node in ${Server_IP};do
	ssh root@${node}   "systemctl start tomcat.service"
	sleep 5;
  done
}

function web_test(){
  sleep 5
  for node in ${Server_IP};do
	NUM=`curl -I http://${node}:8080/web1/ 2>/dev/null|awk 'NR==1{print $2}'`
	if [[ ${NUM} -eq 200 ]];then
	   echo "${node} 测试通过,即将添加到负载"
	   up_node ${node}
	else
	   echo "${node} 测试失败,请检查该服务器是否成功启动tomcat"
	fi
  done
}

function up_node(){
	node=$1
	if [[ $GROUP = 'group1' ]] ;then
		echo "2.2.2.22部署完毕,请进行代码测试!"
	else 
		ssh root@2.2.2.25 "echo set weight tomcat-develop/2.2.2.22 1 | socat stdio /var/lib/haproxy/stats"
		for i in $proxy_ser ;do
		  for j in $node ;do
			{ ssh root@2.2.2.25 "echo set weight ${i}/${j} 1 | socat stdio /var/lib/haproxy/stats"
			echo "${j} 从负载均衡2.2.2.25上线成功"; }&
			{ ssh root@2.2.2.12 "echo set weight  ${i}/${j} 1 | socat stdio /var/lib/haproxy/stats"
			echo "${j} 从负载均衡2.2.2.12上线成功"; }&
		  done
		done
	fi
}

function rollback_last_version(){
  for node in ${Server_IP};do
	NOW_VS=$(basename `ssh root@${node} ls -l /data/apps|awk '/.*-[0-9]+/{print $11}'`)
	R_BAK_VS=$(ssh root@${node} ls -t /data/apps_dir|grep -A $BACK_VS "${NOW_VS}"|awk -v vs=$BACK_VS 'NR==1+vs')
	echo "$NOW_VS is now version"
	#echo "select rollback version is $R_BAK_VS,rolled back $BRANCH"
	echo "选择回滚的版本是：${R_BAK_VS},进行了: $BACK_VS次回滚"
	{ ssh root@${node} "rm -rf /data/apps/web1 && ln -sv /data/apps_dir/${R_BAK_VS} /data/apps/web1"; }&
  done 
}

function delete_history_version(){
	for node in ${Server_IP};do
		RE_BAKS=$(ssh root@${node} "ls -t /data/apps_dir/|wc -l")
		RE_OLD_FILE=$(ssh root@${node} ls -t /data/apps_dir/|awk 'NR>5')
		if [[ $RE_BAKS -gt 5 ]] ;then 
			for i in $RE_OLD_FILE ;do
			{ ssh root@${node} "cd /data/apps_dir/ && rm -rf ./${i}"; }&
			done
		fi
		echo "${node} 删除历史版本 /data/apps_dir/${i}成功!"
	done
}

main(){
   case $1  in
	  deploy)
		IP_list;        
		clone_code;
		scanner_code;
		make_tgz;
		down_node;
		stop_tomcat;
		scp_tgzfile;
		start_tomcat;
		web_test;
		delete_history_version;
		;;
	  rollback)
		IP_list;
		down_node;
		stop_tomcat;
		rollback_last_version;
		start_tomcat;
		web_test;
		;;
	esac
}

main $1 $2 $3
wait