Jenkins Maven实践（四）

[root@proxy01 ~]# cat /etc/haproxy/haproxy.cfg

#---------------------------------------------------------------------

# Global settings

#---------------------------------------------------------------------

global

    log         127.0.0.1 local2

    chroot      /var/lib/haproxy

    pidfile     /var/run/haproxy.pid

    maxconn     4000

    user        haproxy

    group       haproxy

    daemon

    # turn on stats unix socket

    stats socket /var/lib/haproxy/stats level admin

    #nbproc 4

    nbthread 8

    cpu-map 1 0

    cpu-map 2 1

    cpu-map 3 2

    cpu-map 4 3

defaults

    mode                    http

    log                     global

    option                  httplog

    option                  dontlognull

    option http-server-close

    option forwardfor       except 127.0.0.0/8

    option                  redispatch

    retries                 3

    timeout http-request    10s

    timeout queue           1m

    timeout connect         10s

    timeout client          1m

    timeout server          1m

    timeout http-keep-alive 10s

    timeout check           10s

    maxconn                 3000

##listen

listen stats

  mode http

  bind 0.0.0.0:9999

  stats enable

  log global

  stats uri /haproxy-status

  stats auth xuyong:123456

  stats admin if TRUE

#---------------------------------------------------------------------

# main frontend which proxys to the backends

#---------------------------------------------------------------------

frontend www

    bind *:80

    mode http

    acl html_web hdr_reg(host) -i html.hmallleasing.com

    use_backend web_cluster if html_web

backend web_cluster

    balance roundrobin

    option httpchk HEAD / HTTP/1.1\r\nHost:\ html.hmallleasing.com

    server 172.16.1.7 172.16.1.7:80 check port 80 inter 3s rise 2 fall 3

    server 172.16.1.8 172.16.1.8:80 check port 80 inter 3s rise 2 fall 3

frontend war

    bind *:80

    mode http

    acl war_domain hdr_reg(host) -i war.hmallleasing.com

    use_backend java_cluster if war_domain

backend java_cluster

    balance roundrobin

    option httpchk HEAD / HTTP/1.1\r\nHost:\ war.hmallleasing.com

    server 172.16.1.7 172.16.1.7:8080 check port 8080 inter 3s rise 2 fall 3

    server 172.16.1.8 172.16.1.8:8080 check port 8080 inter 3s rise 2 fall 3

[root@web01 ~]# wget https://download.oracle.com/java/17/archive/jdk-17.0.12_linux-x64_bin.tar.gz

[root@web01 ~]# tar xf jdk-17.0.12_linux-x64_bin.tar.gz  -C /usr/local/

[root@web01 ~]# ln -s /usr/local/jdk-17.0.12/ /usr/local/jdk

#添加环境变量

[root@web01 ~]# cat /etc/profile.d/jdk.sh

export JAVA_HOME=/usr/local/jdk

export PATH=$PATH:$JAVA_HOME/bin

export JRE_HOME=$JAVA_HOME

export CLASSPATH=$JAVA_HOME/lib/:$JRE_HOME/lib/

[root@web01 ~]# source /etc/profile

[root@web01 ~]# java -version

mkdir /app

wget https://dlcdn.apache.org/tomcat/tomcat-10/v10.1.49/bin/apache-tomcat-10.1.49.tar.gz

tar xf apache-tomcat-10.1.49.tar.gz -C /app

ln -s /app/apache-tomcat-10.1.49 /app/tomcat

/app/tomcat/bin/startup.sh

[root@jenkins ~]# git clone git@gitlab.hmallleasing.com:root/springboot-devops-demo-war.git

[root@jenkins ~]# wget https://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.9.11/binaries/apache-maven-3.9.11-bin.tar.gz

[root@jenkins ~]# tar xf apache-maven-3.9.11-bin.tar.gz -C /usr/local/

[root@jenkins ~]# ln -s /usr/local/apache-maven-3.9.11 /usr/local/maven

[root@jenkins ~]# cat /etc/profile.d/maven.sh

export MAVEN_HOME=/usr/local/maven

export PATH=$MAVEN_HOME/bin:$PATH

[root@jenkins ~]# source /etc/profile.d/maven.sh 

[root@jenkins ~]# mvn -v

[root@jenkins ~]# vim /usr/local/maven/conf/settings.xml

<mirrors>

     <mirror>

         <id>alimaven</id>

         <name>aliyun maven</name>

         <url>http://maven.aliyun.com/nexus/content/groups/public/</url>

         <mirrorOf>central</mirrorOf>

     </mirror>

</mirrors>

[root@jenkins ~]# cd springboot-devops-demo-war/

[root@jenkins springboot-devops-demo-war]# mvn package -Dmaven.test.skip=true

War_Date=$(date +%F-%H-%M)

for i in {7..8};do scp target/*.war root@172.16.1.$i:/opt/ROOT_${War_Date}.war; done

for i in {7..8};do ssh root@172.16.1.$i "rm -rf /app/tomcat/webapps/ROOT";done

for i in {7..8};do ssh root@172.16.1.$i "mkdir /opt/ROOT_${War_Date} && unzip /opt/ROOT_${War_Date}.war -d /opt/ROOT_${War_Date}"; done

for i in {7..8};do ssh root@172.16.1.$i "ln -s /opt/ROOT_${War_Date} /app/tomcat/webapps/ROOT"; done

for i in {7..8};do ssh root@172.16.1.$i "/app/tomcat/bin/shutdown.sh && /app/tomcat/bin/startup.sh"; done

[root@jenkins ~]# mvn -version

Apache Maven 3.9.11 (3e54c93a704957b63ee3494413a2b544fd3d825b)

Maven home: /usr/local/maven

Java version: 17.0.17, vendor: Oracle Corporation, runtime: /usr/local/jdk-17.0.17

Default locale: en_US, platform encoding: UTF-8

OS name: "linux", version: "3.10.0-957.el7.x86_64", arch: "amd64", family: "unix"

[root@jenkins ~]# cat /scripts/shell_deploy_war.sh 

#!/usr/bin/bash

#1. 变量

app_dir=/opt

app_date=$(date +%Y_%m_%d_%H_%M)

app_name=ROOT

tomcat_dir=/app/tomcat

git_commit_id=$(echo ${git_commit_id} | cut -c 1-8)

#2.haproxy 的函数

lb_server_disable(){

for i in ${lbservers}

do

    ssh root@${i} "echo 'disable server java_cluster/$1' | socat stdio /var/lib/haproxy/stats"

done

}

lb_server_enable(){

for i in ${lbservers}

do

    ssh root@${i} "echo 'enable server java_cluster/$1' | socat stdio /var/lib/haproxy/stats"

done

}

#3. 拷贝对应的 war 包到被控端

for host in ${webservers}

do

    cd ${WORKSPACE} && \

    scp target/*.war root@${host}:${app_dir}/${app_name}_${app_date}_${git_commit_id}.war

done

#4. 摘除节点并停？Tomcat 服务

for host in ${webservers}

do

    # 从负载均衡中将该节点摘除

    lb_server_disable ${host}

    ssh root@${host} "${tomcat_dir}/bin/shutdown.sh && \

    mkdir -p ${app_dir}/${app_name}_${app_date}_${git_commit_id} && \

    unzip ${app_dir}/${app_name}_${app_date}_${git_commit_id}.war -d ${app_dir}/${app_name}_${app_date}_${git_commit_id} && \

    rm -f ${app_dir}/${app_name}_${app_date}_${git_commit_id}.war && \

    rm -f ${tomcat_dir}/webapps/ROOT && \

    ln -s ${app_dir}/${app_name}_${app_date}_${git_commit_id} ${tomcat_dir}/webapps/ROOT && \

    ${tomcat_dir}/bin/startup.sh"

    # 等待 tomcat "完全就绪" 在加入集群资源池

    sleep 5

    # 将节点加入负载均衡资源池

    lb_server_enable ${host}

    # 为了查看滚动更新的效果（如果不需要可去除）

    sleep 5

done

[root@web01 ~]# ll /app/tomcat/webapps

drwxr-x--- 16 root root 4096 Nov 21 00:50 docs

drwxr-x---  7 root root   99 Nov 21 00:50 examples

drwxr-x---  6 root root   79 Nov 21 00:50 host-manager

drwxr-x---  6 root root  114 Nov 21 00:50 manager

lrwxrwxrwx  1 root root   35 Nov 21 15:27 ROOT -> /opt/ROOT_2025_11_21_15_27_4e35f8e0

[root@web02 ~]# ll /app/tomcat/webapps

drwxr-x--- 16 root root 4096 Nov 21 00:34 docs

drwxr-x---  7 root root   99 Nov 21 00:34 examples

drwxr-x---  6 root root   79 Nov 21 00:34 host-manager

drwxr-x---  6 root root  114 Nov 21 00:34 manager

lrwxrwxrwx  1 root root   35 Nov 21 15:27 ROOT -> /opt/ROOT_2025_11_21_15_27_4e35f8e0

[root@jenkins ~]# cat /scripts/deploy_java.yml 

- hosts: webservers

  vars:

    - work_dir: /opt

    - web_name: ROOT

    - tomcat_site: /app/tomcat/webapps

    - tomcat_dir: /app/tomcat

    - web_backend: java_cluster

    - service_port: 8080

  serial: 1 #控制每次仅操作一个主机

  tasks:

    #1. 获取一个时间，年 - 月 - 日 - 时 - 分 

    - name: Get System Time

      shell:

        cmd: "echo $(date +%F_%H_%M)"

      register: date

      delegate_to: 127.0.0.1

    #2. 获取项目的 war 包名称 

    - name: Get WorkSpace Work Path

      shell:

        cmd: "echo ${WORKSPACE}/target/*.war"

      register: workspace

      delegate_to: 127.0.0.1

    #3. 下线节点（委派给 lbservers）

    - name: offline Haproxy ""

      haproxy:

        state: disabled

        host: ''

        backend: ""

        socket: /var/lib/haproxy/stats

      delegate_to: ""

      loop: ""

    #4. 关闭 Tomcat Server

    - name: Systemd Tomcat Stoppend

      shell:

        cmd: "nohup /bin/shutdown.sh &"

    #5. 检测端口是否存活

    - name: Check Tomcat Port

      wait_for:

        port: ""

        state: stopped

    #6. 为 web 集群创建站点目录 /opt/ROOT-2021-10-21-10-13

    - name: Create Web Site Directory

      file:

        path: "/_"

        state: directory

    #7. 解压目录

    - name: Unarchive Web Code

      unarchive:

        src: ""

        dest: "/_"

    #8. 删除软连接

    - name: Unlink Path

      file:

        path: "/"

        state: absent

    #9. 重新创建连接

    - name: Create Links Path

      file:

        src: "/_"

        dest: "/"

        state: link

    #10. 启动 Tomcat Server

    - name: Systemd Tomcat Started

      shell:

        cmd: "nohup /bin/startup.sh &"

    #11. 检测端口是否存活

    - name: Check Tomcat Port

      wait_for:

        port: ""

        state: started

    #12. 上线节点（委派给 lbservers）

    - name: online Haproxy ""

      haproxy:

        state: enabled

        host: ''

        backend: ""

        socket: /var/lib/haproxy/stats

      delegate_to: ""

      loop: ""