准备 Java 运行时
#检查是否已安装 Java
#$ java -version
openjdk version "1.8.0_65"
OpenJDK Runtime Environment (build 1.8.0_65-b17)
OpenJDK 64-Bit Server VM (build 25.65-b01, mixed mode)
如果未安装，可参考 这篇文章 进行安装
#
创建节点
#1. 在 Jenkins 首页进入
#Manage Node → New Node，例如创建 window-build-machine
2. Linux Agent 设置示例
#| 项目 | 配置 |
|---|
| Name | Linux-build-machine |
| Description | 用于 Linux 构建 |
| # of executors | 1 |
| Remote root directory | /home/agent |
| Labels | Linux, build |
| Usage | 尽可能多地使用此节点 |
| Launch method | 通过 SSH 启动 Agent |
| Host | 192.168.1.112 |
| Credentials | username/password |
| Host Key Verification Strategy | Manually trusted key Verification Strategy |
| Availability | 尽可能保持此 Agent 在线 |
3. 凭据配置
#| 凭据项 | 配置 |
|---|
| Domain | Global credentials (unrestricted) |
| Kind | Username with password |
| Scope | Global (Jenkins、nodes、items 及其子项) |
| Username | root |
| Password | mypassword |
| Description | Linux agent 用户名和密码 |
4. 保存并连接
#示例日志：
Remoting version: 3.29
This is a Unix agent
Evacuated stdout
Agent successfully connected and online
SSHLauncher{host='192.168.1.112', port=22, credentialsId='d1cbab74-823d-41aa-abb7-8584859503d0', jvmOptions='', javaPath='/usr/bin/java',
prefixStartSlaveCmd='', suffixStartSlaveCmd='', launchTimeoutSeconds=210, maxNumRetries=10, retryWaitTime=15,
sshHostKeyVerificationStrategy=hudson.plugins.sshslaves.verifiers.ManuallyTrustedKeyVerificationStrategy, tcpNoDelay=true, trackCredentials=true}
[05/11/19 01:33:37] [SSH] Opening SSH connection to 192.168.1.112:22.
[05/11/19 01:33:37] [SSH] SSH host key matches key seen previously for this host. Connection will be allowed.
[05/11/19 01:33:37] [SSH] Authentication successful.
[05/11/19 01:33:37] [SSH] The remote user's environment is:
常见问题排查
#| 问题 | 解决方法 |
|---|
[SSH] WARNING: No entry currently exists in the Known Hosts file for this host... | 执行 ssh-keyscan HOSTNAME >> known_hosts |
/var/lib/jenkins/.ssh/known_hosts [SSH] No Known Hosts file was found... | 在 Launch method 中将 Host key verification strategy 从 “Known Hosts file verification strategy” 改为 “Manually trusted key verification strategy” |
