原创|NO.B.0006|——|DevOps|Jenkins.yum|Jenkins详解|

| 工具               | Jenkins | Hudson |
| ------------------ | ------- | ------ |
| 最好的CI工具        | 1       | 22     |
| 最好的JAVA CI工具   | 1       | 7      |
| 最好的自托管CI工具   | 3       | 4      |

| 工具                     | Jenkins | Hudson |
| ------------------------ | ------- | ------ |
| 对Window支持最好          | 1       | 无排名 |
| 最好的开源CI工具          | 1       | 无排名 |
| 对BitBucket的支持         | 2       | 无排名 |
| 对移动开发者支持最好的CI   | 4       | 无排名 |

| Jenkins                                                      | Hudson                                    |
| ------------------------------------------------------------ | ----------------------------------------- |
| 免费且开源                                                    | 与Jenkins共享了很多代码，安装还是挺简单的 |
| 关键的环境变量可以安全存储                                      |                                           |
| 支持多个SCM，包括SVN, Mercurial, Git。集成了GitHub和Bitbucket   |                                           |
| 高度可配置                                                     |                                           |
| 资源和教程很多                                                 |                                           |
| 安装运行简单                                                   |                                           |
| 分布式的构建也能高效运行                                        |                                           |
| 可跨平台部署                                                   |                                           |
| 很多高质量的插件                                               |                                           |
| 得奖无数                                                       |                                           |
| 庞大的社区                                                     |                                           |

| IP         | 主机名     |
| ----------  | ---------- |
| 10.10.10.11 | jenkins    |
| 10.10.10.12 | tomcat     |
| 10.10.10.13 | git/gitlab |

centos7.x 10.10.10.13 git 服务器                      #服务器进行如下操作

[root@git ~]#  yum install -y git

[root@git ~]# useradd git
[root@git ~]# passwd git

[root@git ~]# su - git                                     #切换到git用户下
[git@git ~]$ mkdir -p repos/app.git                        #在git用户家目录下创建一个repos目录，repos目录下创建各个项目的目录
[git@git ~]$ cd repos/app.git/
[git@git app.git]$ git --bare init                         #初始化仓库，如果不初始化，这仅仅就只是一个目录        
[git@git app.git]$ ls -a                                   #查看初始化后仓库信息
.  ..  branches  config  description  HEAD  hooks  info  objects  refs

[root@tomcat ~]# yum install -y git                         #首先还是安装git
[root@tomcat ~]# mkdir -p test
[root@tomcat ~]# cd test
[root@tomcat test]# git clone git@10.10.10.13:/home/git/repos/app.git      #测试clone远端git仓库
[root@tomcat test]# ls
app

[root@tomcat app]# touch index.html
[root@tomcat app]# git add .
[root@tomcat app]# git commit -m "test"
#第一次的话会有报错警告，说让配置邮箱和姓名。配置一下即可，或者直接执行给出的命令执行即可。
#报错信息
[root@tomcat app]# git commit -m "test"
Run
  git config --global user.email "you@example.com"
  git config --global user.name "Your Name"
#解决方案
[root@tomcat app]# git config --global user.email "yanqi@yeah.net"
[root@tomcat app]# git config --global user.name "yanqi"
#再次执行
[root@tomcat app]# git commit -m "test"
[master (root-commit) db3feea] test
1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 index.html
[root@tomcat app]# git push origin master                   #提交到主分支（默认分支）
git@10.10.10.13's password: 
Counting objects: 3, done.
Writing objects: 100% (3/3), 200 bytes | 0 bytes/s, done.
Total 3 (delta 0), reused 0 (delta 0)
To git@10.10.10.13:/home/git/repos/app.git
 * [new branch]      master -> master# 测试成功！

[root@tomcat ~]# ssh-keygen
[root@tomcat ~]# cat /root/.ssh/id_rsa.pub 
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC4Jk8yPexoV8hCRLAnLwsY90i9Gr6nK0224XICOrYzS0jqUDsJy8RKiekhDfHaAJXIXU/EtVG0jdI43Sf/QVM9/v4AarVYGxH0xVMqhQz+qWeaCGWhZrJiYvWkC9cjD0DNy1wweaqzc2sVvtbH8orkjBcqWvMCfoEdbA/M4TSZtCxemLHExu4Wsc3KLxb+kU6twrrS9A51+9168UEv7+7XHGFbZ77OR/+KHM9HtHy/kQOsxuYBSYROmjOBKBMyh+Cg1j3aIKINZNom+Pfd0l9aF9OaRYsFXGNdzlYDgvCAqZp4ss47Gry2umCHOa8yDAFfii44dBpBsvlCay8yzyE/ root@tomcat

[root@git ~]# su - git
[git@git ~]$ mkdir -p .ssh/
[git@git ~]$ chmod 700 .ssh/                                 # 给予目录700权限
[git@git ~]$ vim .ssh/authorized_keys                        # 写入10.10.10.12服务器的公钥
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC4Jk8yPexoV8hCRLAnLwsY90i9Gr6nK0224XICOrYzS0jqUDsJy8RKiekhDfHaAJXIXU/EtVG0jdI43Sf/QVM9/v4AarVYGxH0xVMqhQz+qWeaCGWhZrJiYvWkC9cjD0DNy1wweaqzc2sVvtbH8orkjBcqWvMCfoEdbA/M4TSZtCxemLHExu4Wsc3KLxb+kU6twrrS9A51+9168UEv7+7XHGFbZ77OR/+KHM9HtHy/kQOsxuYBSYROmjOBKBMyh+Cg1j3aIKINZNom+Pfd0l9aF9OaRYsFXGNdzlYDgvCAqZp4ss47Gry2umCHOa8yDAFfii44dBpBsvlCay8yzyE/ root@tomcat
[git@git ~]$ chmod 600 .ssh/authorized_keys                  # 给予文件600权限

[root@jenkins ~]# ls                                       # 查看解压包
jdk-8u281-linux-x64.tar.gz
[root@jenkins ~]# tar -zxvf jdk-8u281-linux-x64.tar.gz             # 解压
[root@jenkins ~]# mv jdk1.8.0_281/ /usr/local/jdk1.8               # 移动至指定目录
[root@jenkins ~]# vim /etc/profile                         # 配置环境变量
JAVA_HOME=/usr/local/jdk1.8
export MAVEN_HOME=/usr/local/maven
export JRE_HOME=/usr/local/jdk1.8/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$MAVEN_HOME/bin:$PATH
[root@qfedu.com tools]# source /etc/profile                # 配置生效
[root@qfedu.com tools]# java -version                      # 查看java版本
[root@jenkins ~]# java -version
java version "1.8.0_281"
Java(TM) SE Runtime Environment (build 1.8.0_281-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.281-b09, mixed mode)

[root@jenkins ~]# wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
# 导入jenkins源
[root@jenkins ~]# rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
# 导入jenkins官方证书
[root@jenkins ~]# yum install -y jenkins
# 安装jenkins（安装的是最新的LTS版本）
Installed:
  jenkins.noarch 0:2.277.1-1.1


[root@jenkins ~]# rpm -ql jenkins                          # 查看yum都安装了哪些东西
/etc/init.d/jenkins
/etc/logrotate.d/jenkins
/etc/sysconfig/jenkins
/usr/lib/jenkins
/usr/lib/jenkins/jenkins.war
/usr/sbin/rcjenkins
/var/cache/jenkins
/var/lib/jenkins
/var/log/jenkins

[root@jenkins ~]# rpm -ql jenkins
/etc/init.d/jenkins                                 # 启动文件
/etc/logrotate.d/jenkins                            # 日志分割配置文件
/etc/sysconfig/jenkins                              # jenkins主配置文件
/usr/lib/jenkins                                    # 存放war包目录
/usr/lib/jenkins/jenkins.war                        # war 包
/usr/sbin/rcjenkins                                 # 命令
/var/cache/jenkins                                  # war包解压目录 jenkins网页代码目录
/var/lib/jenkins                                    # jenkins 工作目录
/var/log/jenkins                                    # 日志

[root@qfedu.com ~]# grep "^[a-Z]" /etc/sysconfig/jenkins
JENKINS_HOME="/var/lib/jenkins"                     # jenkins工作目录
JENKINS_JAVA_CMD=""
JENKINS_USER="jenkins"                              # jenkinx启动用户
JENKINS_JAVA_OPTIONS="-Djava.awt.headless=true"
JENKINS_PORT="8080"                                 # 端口
JENKINS_LISTEN_ADDRESS=""
JENKINS_HTTPS_PORT=""
JENKINS_HTTPS_KEYSTORE=""
JENKINS_HTTPS_KEYSTORE_PASSWORD=""
JENKINS_HTTPS_LISTEN_ADDRESS=""
JENKINS_HTTP2_PORT=""
JENKINS_HTTP2_LISTEN_ADDRESS=""
JENKINS_DEBUG_LEVEL="5"
JENKINS_ENABL
E_ACCESS_LOG="no"
JENKINS_HANDLER_MAX="100"                          # 最大连接
JENKINS_EXTRA_LIB_FOLDER=""
JENKINS_ARGS=""   

// 首先需要修改一下启动脚本，文件在/etc/init.d/jenkins
// 因为jenkins的启动脚本默认java路径为：/usr/bin/java
// 但是我们新安装的java路径并不是在这个，所以我们需要新添加路径。如图下所示：
// 新路径地址为：/usr/local/jdk1.8/bin/java
[root@jenkins ~]# vim /etc/init.d/jenkins 
candidates="
/etc/alternatives/java
/usr/lib/jvm/java-1.8.0/bin/java
/usr/lib/jvm/jre-1.8.0/bin/java
/usr/lib/jvm/java-11.0/bin/java
/usr/lib/jvm/jre-11.0/bin/java
/usr/lib/jvm/java-11-openjdk-amd64
/usr/bin/java                                          #默认路径
/usr/local/jdk1.8/bin/java                             #新增路径

[root@jenkins ~]# systemctl start jenkins

[root@jenkins ~]# ps -ef |grep jenkins
jenkins   12378      1 53 18:56 ?        00:00:43 /etc/alternatives/java -Dcom.sun.akuma.Daemon=daemonized -Djava.awt.headless=true -DJENKINS_HOME=/var/lib/jenkins -jar /usr/lib/jenkins/jenkins.war --logfile=/var/log/jenkins/jenkins.log --webroot=/var/cache/jenkins/war --daemon --httpPort=8080 --debug=5 --handlerCountMax=100 --handlerCountMaxIdle=20
root      12488  10728  0 18:57 pts/2    00:00:00 grep --color=auto jenkins
[root@jenkins ~]# netstat -lnutp|grep jenkins
[root@jenkins ~]# netstat -antp |grep 8080
tcp6       0      0 :::8080                 :::*                    LISTEN      12378/java

[root@jenkins ~]# cat /var/lib/jenkins/secrets/initialAdminPassword
d2777a94e74d47f996022fb588536916

#jenkins 在下载插件之前会先检查网络连接，其会读取这个文件中的网址。默认是访问谷歌，肯定监测失败，所以将图下的google改为[www.baidu.com](http://www.baidu.com/)即可，更改完重启服务。
[root@jenkins ~]# vim /var/lib/jenkins/updates/default.json 
{"connectionCheckUrl":"http://www.google.com/","core":{"buildDate":"Mar 10, 2021","name":"core","sha1":"EBZVIKRz+ypOX8IYsBUJ4RoO+zw=","sha256":"OZdB2xFS7nu+jcCOCXLvoLEoobVaD4sQwIf+/uxm0VE=","url":"https://updates.jenkins.io/download/war/2.277.1/jenkins.war","version":"2.277.1"},

[root@jenkins ~]# cat /var/lib/jenkins/hudson.model.UpdateCenter.xml
<?xml version='1.1' encoding='UTF-8'?>
<sites>
<site>
<id>default</id>
<url>https://updates.jenkins.io/update-center.json</url>
</site>
#该文件为jenkins下载插件的源地址，改地址默认jenkins默认为：https://updates.jenkins.io/update-center.json，就是因为https的问题，此处我们将其改为http即可，之后重启jenkins服务即可。
#其他国内备用地址（也可以选择使用）：
https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json
http://mirror.esuni.jp/jenkins/updates/update-center.json

[root@jenkins ~]# wget http://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.5.4/binaries/apache-maven-3.5.4-bin.tar.gz
[root@jenkins ~]# tar -zxvf apache-maven-3.5.4-bin.tar.gz -C /usr/local/
[root@jenkins ~]# cd /usr/local/
[root@jenkins local]# ln -s apache-maven-3.5.4/ maven
[root@jenkins local]# mvn -version
Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-18T02:33:14+08:00)
Maven home: /usr/local/maven
Java version: 1.8.0_281, vendor: Oracle Corporation, runtime: /usr/local/jdk1.8/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-862.el7.x86_64", arch: "amd64", family: "unix"

java.io.IOException: Downloaded file /app/jenkins_home/plugins/jacoco.jpi.tmp does not match expected SHA-1, expected 'CtK02wHdFOxTutqhUQzmue6uvpg=', actual 'YGO05utKyaaFzpGCgCE95GS0WsU='
    at hudson.model.UpdateCenter.verifyChecksums(UpdateCenter.java:1783)
    at hudson.model.UpdateCenter.access$1100(UpdateCenter.java:147)
    at hudson.model.UpdateCenter$InstallationJob.replace(UpdateCenter.java:1934)
    at hudson.model.UpdateCenter$UpdateCenterConfiguration.install(UpdateCenter.java:1178)
    at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:1653)
    at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:1848)
    at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1624)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:110)
    at java.lang.Thread.run(Thread.java:745)

// jenkins->系统管理->管理插件->高级
// 选择升级站点把：http://updates.jenkins-ci.org/update-center.json换成：http://mirror.esuni.jp/jenkins/updates/update-center.json
// 镜像地址查询：http://mirrors.jenkins-ci.org/status.html

[root@jenkins ~]#  vim /opt/jenkins.property               # 建立一个文件
abc=t1,t2,t3,t4

// 更改jenkins用户为root用户；
// 更改jenkins用户为正常的普通用户/bin/bash，将其的公钥加入到git服务器的git用户中。
// 此处暂时先用第一种解决办法，更改 jenkins 的运行用户为 root 用户，通过如下方式进行更改：
#将/etc/sysconfig/jenkins文件由
[root@jenkins ~]# vim /etc/sysconfig/jenkins
JENKINS_USER="jenkins"
#改为
JENKINS_USER="root"
#然后再重启即可。
[root@jenkins ~]# systemctl restart jenkins.service 


#报错：
#无法连接仓库：Invalid remote URL: git clone git@10.10.10.13:/home/git/repos/app.git
#解决方案：配置秘钥

[root@jenkins app]# git branch
* master
[root@jenkins app]# git branch test
[root@jenkins app]# git checkout test
Switched to branch 'test'
[root@jenkins app]# git branch
  master
* test
[root@jenkins app]# touch a
[root@jenkins app]# git add .
[root@jenkins app]# git commit -m "a"
[test c286460] a
1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 a
[root@jenkins app]# git push origin test
Counting objects: 3, done.
Compressing objects: 100% (2/2), done.
Writing objects: 100% (2/2), 231 bytes | 0 bytes/s, done.
Total 2 (delta 0), reused 0 (delta 0)
To git@172.16.1.3:/home/git/repos/app.git
 * [new branch]      test -> test

SSHLauncher{host='10.10.10.11', port=22, credentialsId='a12986da-f7bd-4ae3-96e5-f6c5e74899ba', jvmOptions='', javaPath='', prefixStartSlaveCmd='', suffixStartSlaveCmd='', launchTimeoutSeconds=60, maxNumRetries=10, retryWaitTime=15, sshHostKeyVerificationStrategy=hudson.plugins.sshslaves.verifiers.ManuallyTrustedKeyVerificationStrategy, tcpNoDelay=true, trackCredentials=true}
[03/30/21 15:18:27] [SSH] Opening SSH connection to 10.10.10.11:22.
[03/30/21 15:18:27] [SSH] The SSH key with fingerprint 41:6d:e3:57:28:fa:ee:a9:e1:82:7f:19:e8:f0:f1:76 has been automatically trusted for connections to this machine.
[03/30/21 15:18:28] [SSH] Authentication successful.
[03/30/21 15:18:28] [SSH] The remote user's environment is:
BASH=/usr/bin/bash
BASHOPTS=cmdhist:extquote:force_fignore:hostcomplete:interactive_comments:progcomp:promptvars:sourcepath
BASH_ALIASES=()
BASH_ARGC=()
BASH_ARGV=()
BASH_CMDS=()
BASH_EXECUTION_STRING=set
BASH_LINENO=()
BASH_SOURCE=()
BASH_VERSINFO=([0]="4" [1]="2" [2]="46" [3]="2" [4]="release" [5]="x86_64-redhat-linux-gnu")
BASH_VERSION='4.2.46(2)-release'
DIRSTACK=()
EUID=0
GROUPS=()
HOME=/root
HOSTNAME=jenkins
HOSTTYPE=x86_64
ID=0
IFS=$' \t\n'
LANG=en_US.UTF-8
LESSOPEN='||/usr/bin/lesspipe.sh %s'
LOGNAME=root
MACHTYPE=x86_64-redhat-linux-gnu
MAIL=/var/mail/root
OPTERR=1
OPTIND=1
OSTYPE=linux-gnu
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
PIPESTATUS=([0]="0")
PPID=21781
PS4='+ '
PWD=/root
SHELL=/bin/bash
SHELLOPTS=braceexpand:hashall:interactive-comments
SHLVL=1
SSH_CLIENT='10.10.10.11 45740 22'
SSH_CONNECTION='10.10.10.11 45740 10.10.10.11 22'
TERM=dumb
UID=0
USER=root
XDG_DATA_DIRS=/root/.local/share/flatpak/exports/share/:/var/lib/flatpak/exports/share/:/usr/local/share/:/usr/share/
XDG_RUNTIME_DIR=/run/user/0
XDG_SESSION_ID=80
_=/etc/bashrc
flatpak_dirs=/root/.local/share/flatpak/exports/share/:/var/lib/flatpak/exports/share/
command_not_found_handle () 
{ 
    local runcnf=1;
    local retval=127;
    [[ $- =~ i ]] || runcnf=0;
    [[ ! -S /run/dbus/system_bus_socket ]] && runcnf=0;
    [[ ! -x '/usr/libexec/packagekitd' ]] && runcnf=0;
    [[ -n ${COMP_CWORD-} ]] && runcnf=0;
    if [ $runcnf -eq 1 ]; then
        '/usr/libexec/pk-command-not-found' "$@";
        retval=$?;
else
        if [[ -n "${BASH_VERSION-}" ]]; then
            printf 'bash: %scommand not found\n' "${1:+$1: }" 1>&2;
        fi;
    fi;
    return $retval
}
[03/30/21 15:18:28] [SSH] Checking java version of /var/lib/jenkins/jdk/bin/java
Couldn't figure out the Java version of /var/lib/jenkins/jdk/bin/java
bash: /var/lib/jenkins/jdk/bin/java: No such file or directory

[03/30/21 15:18:28] [SSH] Checking java version of java
[03/30/21 15:18:28] [SSH] java -version returned 1.8.0_161.
[03/30/21 15:18:28] [SSH] Starting sftp client.
[03/30/21 15:18:33] [SSH] Copying latest remoting.jar...
[03/30/21 15:18:34] [SSH] Copied 1,506,923 bytes.
Expanded the channel window size to 4MB
[03/30/21 15:18:34] [SSH] Starting agent process: cd "/var/lib/jenkins" && java  -jar remoting.jar -workDir /var/lib/jenkins -jar-cache /var/lib/jenkins/remoting/jarCache
Mar 30, 2021 3:18:35 PM org.jenkinsci.remoting.engine.WorkDirManager initializeWorkDir
INFO: Using /var/lib/jenkins/remoting as a remoting work directory
Mar 30, 2021 3:18:35 PM org.jenkinsci.remoting.engine.WorkDirManager setupLogging
INFO: Both error and output logs will be printed to /var/lib/jenkins/remoting
<===[JENKINS REMOTING CAPACITY]===>channel started
Remoting version: 4.6
This is a Unix agent
Evacuated stdout
Agent successfully connected and online

[root@jenkins ~]# ln -s /usr/local/jdk1.8/bin/java /usr/bin/java
[root@jenkins ~]# ll /usr/bin/java
lrwxrwxrwx 1 root root 26 Jul 25 17:33 /usr/bin/java -> /usr/local/jdk1.8/bin/java

[03/30/21 15:18:28] [SSH] Checking java version of java
[03/30/21 15:18:28] [SSH] java -version returned 1.8.0_161.
[03/30/21 15:18:28] [SSH] Starting sftp client.
[03/30/21 15:18:33] [SSH] Copying latest remoting.jar...
[03/30/21 15:18:34] [SSH] Copied 1,506,923 bytes.
Expanded the channel window size to 4MB
[03/30/21 15:18:34] [SSH] Starting agent process: cd "/var/lib/jenkins" && java  -jar remoting.jar -workDir /var/lib/jenkins -jar-cache /var/lib/jenkins/remoting/jarCache
Mar 30, 2021 3:18:35 PM org.jenkinsci.remoting.engine.WorkDirManager initializeWorkDir
INFO: Using /var/lib/jenkins/remoting as a remoting work directory
Mar 30, 2021 3:18:35 PM org.jenkinsci.remoting.engine.WorkDirManager setupLogging
INFO: Both error and output logs will be printed to /var/lib/jenkins/remoting
<===[JENKINS REMOTING CAPACITY]===>channel started
Remoting version: 4.6
This is a Unix agent
Evacuated stdout
Agent successfully connected and online

[root@jenkins ~]# ps -ef |grep slave
root      22545  20414  0 15:30 pts/2    00:00:00  -c cd -/var/lib/jenkins" && java -jar slave.jar
root      22545  20414  0 15:30 pts/2    00:00:00  java -jar slave.jar
root      22545  20414  0 15:30 pts/2    00:00:00 grep --color=auto slave

[root@tomcat ~]#  ls /var/lib/jenkins/workspace/A-web1
index1.html  index.html

node {
   def mvnHome
   stage('git checkout') { #for display purposes
        checkout([$class: 'GitSCM', branches: [[name: '*/master']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'git@10.10.10.13:/home/git/repos/app.git']]])
   }
   stage('maven Build') {
echo "maven build........."
   }
   stage('deploy') {
echo "deploy..........."
   }
   stage('test') {
echo "test..........."
   }
}

[root@jenkins ~]# ll /var/lib/jenkins/workspace/pipeline-test/
total 0
-rw-r--r-- 1 root root 0 Mar 30 16:59 index1.html
-rw-r--r-- 1 root root 0 Mar 30 16:59 index.html

[root@jenkins ~]# vim /root/jenkinsfile/item-a/jenkinsfile
node ("slave01-10.10.10.11"){
   def mvnHome
   stage('git checkout') { 
        checkout([$class: 'GitSCM', branches: [[name: '*/master']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'git@10.10.10.13:/home/git/repos/app.git']]])
   }
   stage('maven Build') {
echo "maven build........."
   }
   stage('deploy') {
echo "deploy..........."
   }
   stage('test') {
echo "test..........."
   }
}

[root@jenkins ~]# systemctl status postfix.service 
● postfix.service - Postfix Mail Transport Agent
Loaded: loaded (/usr/lib/systemd/system/postfix.service; enabled; vendor preset: disabled)
Active: active (running) since Fri 2021-02-05 02:08:37 CST; 1 months 23 days ago
Main PID: 1688 (master)
Tasks: 3
CGroup: /system.slice/postfix.service
├─ 1688 /usr/libexec/postfix/master -w
├─ 1729 qmgr -l -t unix -u
└─24337 pickup -l -t unix -u


Feb 05 02:08:36 localhost.localdomain systemd[1]: Starting Postfix Mail Transport Agent...
Feb 05 02:08:37 localhost.localdomain postfix/postfix-script[1684]: starting the Postfix mail system
Feb 05 02:08:37 localhost.localdomain postfix/master[1688]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 05 02:08:37 localhost.localdomain systemd[1]: Started Postfix Mail Transport Agent.

#在git服务器创建存储库
[git@git ~]$ mkdir -p repos/wordpress.git
[git@git repos]$ cd repos/wordpress.git/
[git@git wordpress.git]$ git --bare init
[git@git wordpress.git]$ ls -al
#在jenkins服务器端配置
[root@jenkins ~]# git clone git@10.10.10.13:/home/git/repos/wordpress.git
[root@jenkins ~]# tar -zxvf wordpress-5.3.2.tar.gz
[root@jenkins ~]# cd wordpress/
[root@jenkins wordpress]# mv /root/wordpress/wordpress/* .
[root@jenkins wordpress]# git add .
[root@jenkins wordpress]# git commit -m 'wordpress'
[root@jenkins wordpress]# git push  -u origin master
#辅助：clone wordpress到本地服务器
[root@jenkins ~]# git config --global user.name "Administrator"
[root@jenkins ~]# git config --global user.email 'yanqi_vip@yeah.net'
[root@jenkins ~]# git status
[root@jenkins ~]# git clone git@192.168.152.138:plat-sp/wordpress.git

node ("jenkins-slave2") {
   stage('git checkout') {       checkout([$class: 'GitSCM', branches: [[name: '${branch}']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'git@10.10.10.13:/home/git/repos/wordpress.git']]])
   }
   swtage('code copy') {
        sh '''rm -rf ${WORKSPACE}/.git
        mkdir -p /data/backup/web-$(date +"%F")
        mv /home/wwwroot/default/* /data/backup/web-$(date +"%F")
        cp -rf ${WORKSPACE}/* /home/wwwroot/default/'''
   }
   stage('test') {
       sh "curl http://10.10.10.12/status.html"
   }
}




node ("slave01-10.10.10.11") {
   stage('git checkout') {
       checkout([$class: 'GitSCM', branches: [[name: '${branch}']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'git@10.10.10.13:/home/git/repos/wordpress.git']]])
   }
   stage('code copy') {
        sh '''rm -rf ${WORKSPACE}/.git
        mv /usr/share/nginx/html/wp.com /data/backup/wp.com-$(date +"%F_%T")
        cp -rf ${WORKSPACE} /usr/share/nginx/html/wp.com'''
   }
   stage('test') {
       sh "curl http://10.10.10.11/status.html"
   }
}

node ("slave01-172.16.1.2") {                         # 绑定到该节点去执行
   stage('git checkout') {                            # 拉代码
       checkout([$class: 'GitSCM', branches: [[name: '${branch}']], doGenerateSubmoduleConfigurations: false, extensions: [], su
bmoduleCfg: [], userRemoteConfigs: [[url: 'git@172.16.1.3:/home/git/repos/wordpress']]])
   }
# $class: 'GitSCM' git插件获取代码的工具
# branches 分支名称
# doGenerateSubmoduleConfigurations 是否包含子模块配置
# extensions 扩展功能
# submoduleCfg  子模块配置
# userRemoteConfigs 远程用户配置（仓库地址）
   stage('code copy') {                               # 复制代码
        sh '''rm -rf ${WORKSPACE}/.git                # 删除拉下来的项目的.git敏感文件
        mv /usr/share/nginx/html/wp.com /data/backup/wp.com-$(date +"%F_%T")  # 备份旧文件
        cp -rf ${WORKSPACE} /usr/share/nginx/html/wp.com'''            # 新文件复制到站点目录
   }
   stage('test') {                                     # 测试
       sh "curl http://wp.test.com/status.html"
   }
}

git clone https://github.com/b3log/solo.git

[root@qfedu.com ~]# mkdir -p solo
[root@qfedu.com ~]# cd solo/
[root@qfedu.com ~]# git --bare init
Initialized empty Git repository in /home/git/repos/solo/

[root@qfedu.com ~]# git remote -v
origin    git@172.16.1.3:/home/git/repos/solo (fetch)
origin    git@172.16.1.3:/home/git/repos/solo (push)
[root@qfedu.com ~]# git remote rm origin
[root@qfedu.com ~]# git init
Reinitialized existing Git repository in /root/solo/.git/
[root@qfedu.com ~]# git remote add origin git@172.16.1.3:/home/git/repos/solo
[root@qfedu.com ~]# git add .
[root@qfedu.com ~]# git commit -m "java solo all"
# On branch master
nothing to commit, working directory clean
[root@qfedu.com ~]# git push origin master
Counting objects: 29058, done.
Compressing objects: 100% (9854/9854), done.
Writing objects: 100% (29058/29058), 47.77 MiB | 39.28 MiB/s, done.
Total 29058 (delta 15768), reused 29058 (delta 15768)
To git@172.16.1.3:/home/git/repos/solo
 * [new branch]      master -> master

[root@qfedu.com ~]# vim /root/solo/src/main/resources/latke.properties

node ("slave02-172.16.1.3") {
# def mvnHome = '/usr/local/maven'
   stage('git checkout') {
        checkout([$class: 'GitSCM', branches: [[name: '${branch}']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'git@172.16.1.3:/home/git/repos/solo']]])
   }
   stage('maven build') {
        sh '''export JAVA_HOME=/usr/local/java
        /usr/local/maven/bin/mvn clean package -Dmaven.test.skip=true'''
   }
   stage('deploy') {
        sh '''
    JENKINS_NODE_COOKIE=dontkillme
    export JAVA_HOME=/usr/local/java
        TOMCAT_NAME=tomcat
        TOMCAT_HOME=/usr/local/$TOMCAT_NAME
        WWWROOT=$TOMCAT_HOME/webapps/ROOT


        if [ -d $WWWROOT ]; then
           mv $WWWROOT /data/backup/${TOMCAT_NAME}-$(date +"%F_%T")
        fi
        unzip ${WORKSPACE}/target/*.war -d $WWWROOT
        PID=$(ps -ef |grep $TOMCAT_NAME |egrep -v "grep|$$" |awk \'{print $2}\')
        [ -n "$PID" ] && kill -9 $PID
        /bin/bash $TOMCAT_HOME/bin/startup.sh
       '''
    }
   stage('test') {
    sh "curl http://192.168.152.138:8080/status.html"
    echo "test ok!!!!!!!"
   }
}

node ("slave02-172.16.1.3") {                          # 绑定到该节点构建
# def mvnHome = '/usr/local/maven'
   stage('git checkout') {                             # 拉代码
        checkout([$class: 'GitSCM', branches: [[name: '${branch}']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'git@172.16.1.3:/home/git/repos/solo']]])
   }
   stage('maven build') {                              # maven build
        sh '''export JAVA_HOME=/usr/local/java         # 在指定java环境变量
        /usr/local/maven/bin/mvn clean package -Dmaven.test.skip=true'''   # 构建maven包 clean package表示构建之前会清理之前构建的包，-Dmaven.test.skip=true表示跳过单元测试
   }
   stage('deploy') {                                   # 部署
        sh '''
        JENKINS_NODE_COOKIE=dontkillme                 # tomcat启动时会衍生出一些子进程，然后才能成功启动，但是jenkins会在构建结束杀掉tomcat的那些衍生子进程，造成tomcat启动失败，此处加上这个参数可以解决这个问题。
        export JAVA_HOME=/usr/local/java
        TOMCAT_NAME=tomcat
        TOMCAT_HOME=/usr/local/$TOMCAT_NAME
        WWWROOT=$TOMCAT_HOME/webapps/ROOT


        if [ -d $WWWROOT ]; then                       # 如果目录存在，先备份
           mv $WWWROOT /data/backup/${TOMCAT_NAME}-$(date +"%F_%T")
        fi
        unzip ${WORKSPACE}/target/*.war -d $WWWROOT    # 项目包解压到站点目录
        PID=$(ps -ef |grep $TOMCAT_NAME |egrep -v "grep|$$" |awk \'{print $2}\')   # 重启tomcat
        [ -n "$PID" ] && kill -9 $PID
        /bin/bash $TOMCAT_HOME/bin/startup.sh'''
   }
   stage('test') {                                     # 测试
# sh "curl http://wp.test.com/status.html"
        echo "test ok!!!!!!!"
   }
}

Started by user ***
java.io.FileNotFoundException
at jenkins.plugins.git.GitSCMFile$3.invoke(GitSCMFile.java:167)
at jenkins.plugins.git.GitSCMFile$3.invoke(GitSCMFile.java:159)
at jenkins.plugins.git.GitSCMFileSystem$3.invoke(GitSCMFileSystem.java:193)
...l
Finished: FAILURE

[root@qfedu.com ~]# ssh-keygen
Generating public/private rsa key pair.


Enter file in which to save the key (/root/.ssh/id_rsa): Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:5SGYye8oxCKFJjddb4W8JC0RAQhBWCvuG8aZL8eMJs4 root@Jenkins
The key's randomart image is:
+---[RSA 2048]----+
|==....=* ..      |
|...o oo==.       |
|+.= . =++.o      |
|++ o   o.+ .     |
|... o   S .      |
|o.oo   o         |
| B+ . . .        |
|++++ .           |
|+Eo.             |
+----[SHA256]-----+
[root@qfedu.com ~]# cat .ssh/id_rsa.pub
[root@qfedu.com ~]# cat .ssh/id_rsa

[root@qfedu.com ~]# mkdir -p /data/www
[root@qfedu.com ~]# chown -R jenkins.jenkins /data/

[root@qfedu.com ~]# ll /data/www/
总用量 4
-rw-r--r-- 1 jenkins jenkins 4 11月 30 21:22 flag
-rw-r--r-- 1 jenkins jenkins 0 11月 30 21:22 README.md

#很多朋友使用最新版本的gitlab做自动部署时，在增加web钩子那一步，
#点击test  push events时会报错：Url is blocked: Requests to the local network are not allowed