Use Jenkins update server

Jenkins used in two ways

Simplify, from the initial understanding of Jenkins', to use Jenkins landed, found there will be two kinds of ideas:

• 重 Jenkins, Jenkins control the entire update process. such as:

  • Pulling code, compiled
  • Production docker image, upload warehouse
  • Remote mirroring open Docker containers, etc.

  Heavy Jenkins, will inevitably lead to specific projects done in accordance with Jenkins docking specification, increase the number of additional workload

• 轻 Jenkins , Jenkins only as a layout controller does not participate update details

  • Jenkins is responsible Around: control panel, update history, mail notification, automatic triggering and more
  • Project update provided by the server script
  • The project parties need to know Jenkins. Jenkins project no party can also perform a manual update server script

This article describes 轻 JenkinsJenkins update server method

Jenkins notes under the first deployment environment, and finally how 轻 Jenkins

Installation Jenkins

The official document:

• https://jenkins.io/download/
• https://pkg.jenkins.io/redhat/

Centos7 installation script is as follows:

#!/bin/bash
set -ex
yum install -y java-1.8.0-openjdk
wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
yum install -y jenkins
systemctl enable jenkins
systemctl restart jenkins

First Run

The official document: https://jenkins.io/doc/book/installing/#unlocking-jenkins

The article mentions the following things:

1. It will be prompted to enter the token.
   View token as follows:

   sudo cat /var/lib/jenkins/secrets/initialAdminPassword
   

2. You will be prompted to install the plugin. Click Custom installation, ssh relevant search plug-in and hook on
3. You will be prompted to create an administrator account. We can create the next
4. (Optional) Chinese plug-in installation, installation of Localization: Chinese (Simplified)plug-ins

Set up凭证

Jenkins 凭证means that all kinds of password, such as:

• GIT account password
• SVN account password
• SSH account password
• SSH private key account etc.

The official document: https://jenkins.io/doc/book/using/using-credentials/

Figure exemplified below:

1, a left click on the main interface 凭证:

2, a click on the left main interface 凭证-系统:

Figure 3, click 全局凭据 (unrestricted)- 添加凭证:
Fill out information, you can add the next

Set SSH remote hosts

Jenkins disposed remote manipulation更新机

Click on the main interface 系统管理-系统设置

Setting example:

After setting, 轻Jenkins method has completed 90% of the

The last update took the script to specific projects

轻 Jenkins principle

Timing diagram analysis:

• Jenkins just need to know:
  • Linux SSH account凭证
  • Linux SSH remote hosts
  • Script commands to be executed
• specific project
  • According to their own circumstances, to deploy a variety of ways:
    • Can Docker
    • Can K8S
    • Be an executable file, and so on
  • Direct local deployment, update
  • Project update service can manipulate project aims clothes, etc.

The last presentation, Jenkins was how SSH script execution project update service

New Task

Directly on the map Description

1, a click on the left of the main screen 新建任务, FIG fill information, click OK.

2, fill in the 构建information, point 保存to

the above