Jenkinsfile.distro

//This is a more customisable version of the default Jenkinsfile stored at in the root folder of the project
//This version allows (in particular) choosing which Linux distribution to build on
pipeline {

    parameters{
        //Annoyingly the jobs in jenkins specify a default value as well, so when changing default values below, change them 
        //in any relevant jobs in the jenkins webui as well 
        gitParameter branchFilter: 'origin/(.*)', defaultValue: 'main', name: 'branchName', type: 'PT_BRANCH'
        choice(name: 'distro', choices: ['centos7','alma8','alma9','fedora'], description: 'Linux distribution to build on')
        string(name: 'buildId',    defaultValue: '',   description: 'Build Identifier to ensure build can be easily identified (set blank to autogenerate - default)')
        string(name: 'buildcontainerVersion', defaultValue: '1.0.0.6', description: 'Version of the amlen-build-(distro) container to use to do the build')
    }

  agent {
    kubernetes {
      label "amlen-${distro}-build-pod"
      yaml """
apiVersion: v1
kind: Pod
spec:
  containers:
  - name: amlen-${distro}-build
    image: "quay.io/amlen/amlen-builder-${distro}:${buildcontainerVersion}"
    command:
    - cat
    tty: true
    resources:
      limits:
        memory: "4Gi"
        cpu: "2"
      requests:
        memory: "4Gi"
        cpu: "2"
    volumeMounts:
    - mountPath: /dev/shm
      name: dshm
  - name: jnlp
    volumeMounts:
    - name: volume-known-hosts
      mountPath: /home/jenkins/.ssh
  volumes:
  - name: volume-known-hosts
    configMap:
      name: known-hosts
  - name: dshm
    emptyDir:
      medium: Memory
"""
    }
  }
  


    stages {
        stage('Init') {
            steps {
                container("amlen-${distro}-build") {
                    script {
                        if (buildId != null && buildId != '') {
                            env.BUILD_LABEL = buildId
                        }
                        if (env.BUILD_LABEL == null ) {
                            env.BUILD_LABEL = sh(script: "date +%Y%m%d-%H%M", returnStdout: true).toString().trim() +"_eclipse${distro}"
                        }
                        currentBuild.displayName ="${currentBuild.number}-${distro}"
                    }
                    echo "In Init, BUILD_LABEL is ${env.BUILD_LABEL}"    
                }
            }
        }
        stage('Build') {
            steps {
                echo "In Build, BUILD_LABEL is ${env.BUILD_LABEL}"
                
                container("amlen-${distro}-build") {
                   sh 'pwd && free -m && cd server_build && bash buildcontainer/build.sh'
                }
            }
        }
        stage('Deploy') {
            steps {
                container('jnlp') {
                    echo "In Deploy, BUILD_LABEL is ${env.BUILD_LABEL}"
                    sshagent ( ['projects-storage.eclipse.org-bot-ssh']) {
                        sh '''
                            pwd
                            echo ${GIT_BRANCH}
                            echo "BUILD_LABEL is ${BUILD_LABEL}"
                            NOORIGIN_BRANCH=${GIT_BRANCH#origin/} # turns origin/main into main
                            #ssh -o BatchMode=yes genie.amlen@projects-storage.eclipse.org rm -rf /home/data/httpd/download.eclipse.org/projectname/snapshots
                            ssh -o BatchMode=yes genie.amlen@projects-storage.eclipse.org mkdir -p /home/data/httpd/download.eclipse.org/amlen/snapshots/${NOORIGIN_BRANCH}/${BUILD_LABEL}/${distro}
                            scp -o BatchMode=yes -r rpms/*.tar.gz genie.amlen@projects-storage.eclipse.org:/home/data/httpd/download.eclipse.org/amlen/snapshots/${NOORIGIN_BRANCH}/${BUILD_LABEL}/${distro}/
                        '''
                    }
                }
            }
        }
    }
    post {
        // send a mail on unsuccessful and fixed builds
        unsuccessful { // means unstable || failure || aborted
            emailext subject: 'Build $BUILD_STATUS $PROJECT_NAME #$BUILD_NUMBER!', 
            body: '''Check console output at $BUILD_URL to view the results.''',
            recipientProviders: [culprits(), requestor()], 
            to: 'levell@uk.ibm.com'
        }
        fixed { // back to normal
            emailext subject: 'Build $BUILD_STATUS $PROJECT_NAME #$BUILD_NUMBER!', 
            body: '''Check console output at $BUILD_URL to view the results.''',
            recipientProviders: [culprits(), requestor()], 
            to: 'levell@uk.ibm.com'
        }
    }
}