Jenkins as Code. Code for blog post https://fishi.devtail.io/weblog/2019/01/12/jenkins-as-code-part-2/

jenkins.yaml

---
jenkins:
  systemMessage: "Powered automagically by Groovy and Configuration-as-Code Plugin\n\n"
  numExecutors: 5

  crumbIssuer: 
    standard:
      excludeClientIPFromCrumb: false

  remotingSecurity:
    enabled: true

  globalNodeProperties:
    - envVars:
        env:
          - key: "DEVTAIL_DEBUG"
            value: "True"

  authorizationStrategy:
    globalMatrix:
      grantedPermissions:
        - "Overall/Administer:devtail*Admin"
        - "Overall/Administer:admin"

  securityRealm:
    github:
      githubWebUri: "https://github.com"
      githubApiUri: "https://api.github.com"
      clientID: "${jenkins-tokens/github-oauth-client-id}"
      clientSecret: "${jenkins-tokens/github-oauth-client-secret}"
      oauthScopes: "read:org,user:email"

  nodes:
    - permanent:
        labelString: "docker"
        name: "docker-agent-1"
        nodeName: "docker-agent-1"
        numExecutors: 2
        remoteFS: "/home/ubuntu"
        launcher:
          setupSlaveLauncher:
            startScript: "java -jar /var/jenkins_home/war/WEB-INF/jenkins-cli.jar -s http://localhost:8080 -ssh -user admin -i /var/jenkins_home/jenkins-ssh-keys/ssh-agent-access-key build 'Admin/AWSAgentBootstrap' -p agentID='0' -s"
            stopScript: "java -jar /var/jenkins_home/war/WEB-INF/jenkins-cli.jar -s http://localhost:8080 -ssh -user admin -i /var/jenkins_home/jenkins-ssh-keys/ssh-agent-access-key build 'Admin/AWSAgentDestroy' -p agentID='0' -s"
            launcher:
              sSHLauncher:
                credentialsId: "ssh-agent-access-key"
                host: "docker-agent-1.devtail.io"
                workDir: "/home/ubuntu"
                sshHostKeyVerificationStrategy: "nonVerifyingKeyVerificationStrategy"
        retentionStrategy:
          demand: 
            idleDelay: 1000
            inDemandDelay: 0
    - permanent:
        labelString: "docker"
        name: "docker-agent-2"
        nodeName: "docker-agent-2"
        numExecutors: 2
        remoteFS: "/home/ubuntu"
        launcher:
          setupSlaveLauncher:
            startScript: "java -jar /var/jenkins_home/war/WEB-INF/jenkins-cli.jar -s http://localhost:8080 -ssh -user admin -i /var/jenkins_home/jenkins-ssh-keys/ssh-agent-access-key build 'Admin/AWSAgentBootstrap' -p agentID='1' -s"
            stopScript: "java -jar /var/jenkins_home/war/WEB-INF/jenkins-cli.jar -s http://localhost:8080 -ssh -user admin -i /var/jenkins_home/jenkins-ssh-keys/ssh-agent-access-key build 'Admin/AWSAgentDestroy' -p agentID='1' -s"
            launcher:
              sSHLauncher:
                credentialsId: "ssh-agent-access-key"
                host: "docker-agent-2.devtail.io"
                workDir: "/home/ubuntu"
                sshHostKeyVerificationStrategy: "nonVerifyingKeyVerificationStrategy"
        retentionStrategy:
          demand: 
            idleDelay: 1000
            inDemandDelay: 0

security:
  globalJobDslSecurityConfiguration:
    useScriptSecurity: false
  remotingCLI:
    enabled: false
  sSHD:
    port: 6666

credentials:
  system:
    domainCredentials:
      - credentials:
          #######
          # User Auth
          #######
          - usernamePassword:
              scope: "GLOBAL"
              id: "github-ci-user"
              description: "Github CI User Credentials"
              username: "${jenkins-basic-auth-credentials/github-ci-user}"
              password: "${jenkins-basic-auth-credentials/github-ci-password}"
          ########
          # Tokens
          ########
          - string:
              scope: "GLOBAL"
              id: "slack-token"
              description: "Slack Access Token"
              secret: "${jenkins-tokens/slack-token}"
          - string:
              scope: "GLOBAL"
              id: "github-ci-token"
              description: "Github CI User Token"
              secret: "${jenkins-tokens/github-ci-token}"
          - string:
              scope: "GLOBAL"
              id: "github-oauth-client-id"
              description: "Github OAuth Client ID"
              secret: "${jenkins-tokens/github-oauth-client-id}"
          - string:
              scope: "GLOBAL"
              id: "github-oauth-client-secret"
              description: "Github OAuth Client Secret"
              secret: "${jenkins-tokens/github-oauth-client-secret}"
          ########
          # SSH Keys
          ########
          - basicSSHUserPrivateKey:
              scope: "GLOBAL"
              id: "deploy-key-shared-library"
              username: "root"
              passphrase: ""
              description: "Deploy key for global shared library"
              privateKeySource:
                directEntry:
                  privateKey: "${jenkins-ssh-keys/deploy-key-shared-library}"
          - basicSSHUserPrivateKey:
              scope: "GLOBAL"
              id: "ssh-agent-access-key"
              username: "ubuntu"
              passphrase: ""
              description: "SSH key to access agents"
              privateKeySource:
                directEntry:
                  privateKey: "${jenkins-ssh-keys/ssh-agent-access-key}"

unclassified:
  location:
    url: "http://192.168.99.100:30001/"
    adminAddress: "[email protected]"

  globalLibraries:
    libraries:
      - name: "devtail-ci-lib"
        retriever:
          modernSCM:
            scm:
              git:
                remote: "[email protected]:devtail/jenkins-as-code.git"
                credentialsId: "deploy-key-shared-library"

  simple-theme-plugin:
    elements:
      - cssUrl: 
          url: "https://fishi.devtail.io/content-images/jenkins-devtail-theme.css"

  slackNotifier:
    teamDomain: "devtail"
    baseUrl: "https://devtail.slack.com/services/hooks/jenkins-ci/"
    tokenCredentialId: "slack-token"

  githubpluginconfig:
    configs:
    - name: "Github"
      credentialsId: "github-ci-token"
manageHooks: true