安装 jdk-17

下载 jdk-17

# wget https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz

解压 jdk

# tar xf jdk-17_linux-x64_bin.tar.gz -C /usr/local

创建软连接

# ln -sv /usr/local/jdk-17.0.8/ /usr/local/jdk

验证 jdk

# /usr/local/jdk/bin/java -version

java version "17.0.8" 2023-07-18 LTS
Java(TM) SE Runtime Environment (build 17.0.8+9-LTS-211)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.8+9-LTS-211, mixed mode, sharing)

部署 jenkins

# sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
# sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io-2023.key
# yum -y install jenkins

配置 jenkins

# egrep -v "^$|^#" /lib/systemd/system/jenkins.service 

[Unit]
Description=Jenkins Continuous Integration Server
Requires=network.target
After=network.target
[Service]
Type=notify
NotifyAccess=main
ExecStart=/usr/bin/jenkins
Restart=on-failure
SuccessExitStatus=143
User=root
Group=jenkins
Environment="JENKINS_HOME=/data/apps/jenkins"
WorkingDirectory=/var/lib/jenkins
Environment="JENKINS_WEBROOT=%C/jenkins/war"
Environment="JAVA_HOME=/usr/local/jdk"
Environment="JAVA_OPTS=-Djava.awt.headless=true"
Environment="JENKINS_PORT=8080"
[Install]
WantedBy=multi-user.target

配置 jenkins 代理

upstream jenkins {
  keepalive 32; # keepalive connections
  server 127.0.0.1:8080; # jenkins ip and port
}

# Required for Jenkins websocket agents
map $http_upgrade $connection_upgrade {
  default upgrade;
  '' close;
}

server {
  listen          80;       # Listen on port 80 for IPv4 requests

  server_name     jenkins.example.com;  # replace 'jenkins.example.com' with your server domain name

  # this is the jenkins web root directory
  # (mentioned in the output of "systemctl cat jenkins")
  root            /var/run/jenkins/war/;

  access_log      /var/log/nginx/jenkins.access.log;
  error_log       /var/log/nginx/jenkins.error.log;

  # pass through headers from Jenkins that Nginx considers invalid
  ignore_invalid_headers off;

  location ~ "^/static/[0-9a-fA-F]{8}\/(.*)$" {
    # rewrite all static files into requests to the root
    # E.g /static/12345678/css/something.css will become /css/something.css
    rewrite "^/static/[0-9a-fA-F]{8}\/(.*)" /$1 last;
  }

  location /userContent {
    # have nginx handle all the static requests to userContent folder
    # note : This is the $JENKINS_HOME dir
    root /var/lib/jenkins/;
    if (!-f $request_filename){
      # this file does not exist, might be a directory or a /**view** url
      rewrite (.*) /$1 last;
      break;
    }
    sendfile on;
  }

  location / {
      sendfile off;
      proxy_pass         http://jenkins;
      proxy_redirect     default;
      proxy_http_version 1.1;

      # Required for Jenkins websocket agents
      proxy_set_header   Connection        $connection_upgrade;
      proxy_set_header   Upgrade           $http_upgrade;

      proxy_set_header   Host              $http_host;
      proxy_set_header   X-Real-IP         $remote_addr;
      proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
      proxy_set_header   X-Forwarded-Proto $scheme;
      proxy_max_temp_file_size 0;

      #this is the maximum upload size
      client_max_body_size       10m;
      client_body_buffer_size    128k;

      proxy_connect_timeout      90;
      proxy_send_timeout         90;
      proxy_read_timeout         90;
      proxy_request_buffering    off; # Required for HTTP CLI commands
      proxy_set_header Connection ""; # Clear for keepalive
  }

}

jenkins 环境变量

JENKINS_UC_DOWNLOAD=https://mirrors.tuna.tsinghua.edu.cn/jenkins/
JENKINS_UC_EXPERIMENTAL=https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/experimental/
JENKINS_UC=https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json

参考文档

https://www.jenkins.io/doc/book/installing/