larsthorup/jenkins-sandbox

jenkins-sandbox

Run a local Jenkins CI server against a GitHub repository

Installation

• Verify Java is at version 11
  • java --version
• Download jenkins.war into ./bin from https://jenkins.io/
• Download ngrok.exe into ./bin from https://ngrok.com/
• Authorize NGrok: ./bin/ngrok authtoken <YOUR_AUTHTOKEN>

Configure GitHub

• GitHub, Account, Settings, Developer Settings, Personal Access Tokens
• Scopes: admin:repo_hook, repo

Run NGrok

• Reserve subdomain: xpqf in region eu
• Connect: ./bin/ngrok http -hostname=xpqf.eu.ngrok.io -region=eu 8080

Run Jenkins

• Run Jenkins
  • java -jar ./bin/jenkins.war --httpPort=8080
• Open http://localhost:8080/
• Follow instructions:
  • Unlock
  • Install suggested plugins
  • Create first admin user
  • Jenkins URL: https://xpqf.eu.ngrok.io/
• Open https://xpqf.eu.ngrok.io/

Configure Jenkins for GitHub

• GitHub Personal Access Token
• Credentials, System, Global, Add
  • ID: "GITHUB_ACCESS_TOKEN", secret text
  • ID: "Github Personal Access Token", (username with) password credential
• Configure System, Add Github Server, https://api.github.com
  • Credentials, GITHUB_ACCESS_TOKEN
  • Manage hooks
• Configure System, Github API Usage,
  • Never check rate limit

Create job in Jenkins for GitHub project

• New item, "jenkins-sample-project", Multibranch Pipeline
• Add source, GitHub
  • Add GitHub credentials
  • https://github.com/larsthorup/jenkins-sample-project
• Save

Configure project on GitHub for Jenkins

• GitHub, project, settings, webhooks, add
• https://xpqf.eu.ngrok.io/github-webhook/
• Github, project, settings, branches
  • *
  • Require status checks to pass before merging
  • continuous-integration/jenkins/pr-merge
  • Allow Deletions