/* helm-api-test pipeline */

pipeline {

  /* no label, executor is determined by JJB */
  agent {
    label "${params.executorNode}"
  }

  stages {

    stage('repo') {
      steps {
        checkout(changelog: false, \
          poll: false,
          scm: [$class: 'RepoScm', \
            manifestRepositoryUrl: "${params.manifestUrl}", \
            manifestBranch: "${params.manifestBranch}", \
            currentBranch: true, \
            destinationDir: 'cord', \
            forceSync: true,
            resetFirst: true, \
            quiet: true, \
            jobs: 4, \
            showAllChanges: true] \
          )
      }
    }

    stage('patch') {
      steps {
        sh """
           pushd cord
           PROJECT_PATH=\$(xmllint --xpath "string(//project[@name=\\\"${gerritProject}\\\"]/@path)" .repo/manifest.xml)
           repo download "\$PROJECT_PATH" "${gerritChangeNumber}/${gerritPatchsetNumber}"
           popd
           """
      }
    }

    stage('prep') {
      parallel {

        stage('images') {
          steps {
            sh '''
               pushd cord/build
               ./scripts/imagebuilder.py -f ../helm-charts/examples/test-images.yaml
               popd
               '''
          }
        }

        stage('minikube') {
          steps {
            /* see https://github.com/kubernetes/minikube/#linux-continuous-integration-without-vm-support */
            sh '''
               export MINIKUBE_WANTUPDATENOTIFICATION=false
               export MINIKUBE_WANTREPORTERRORPROMPT=false
               export CHANGE_MINIKUBE_NONE_USER=true
               export MINIKUBE_HOME=$HOME
               mkdir -p $HOME/.kube || true
               touch $HOME/.kube/config
               export KUBECONFIG=$HOME/.kube/config
               sudo -E /usr/bin/minikube start --vm-driver=none
               '''
            script {
              timeout(3) {
                waitUntil {
                  sleep 5
                  def kc_ret = sh script: "kubectl get po", returnStatus: true
                  return (kc_ret == 0);
                }
              }
            }
          }
        }
      }
    }

    stage('helm') {
      steps {
        sh '''
           helm init
           sleep 60
           helm repo add incubator https://kubernetes-charts-incubator.storage.googleapis.com/
           '''
      }
    }

    stage('xos') {
      steps {
        sh '''
           pushd cord/helm-charts
           helm dep up xos-core
           helm install -f examples/test-values.yaml -f examples/candidate-tag-values.yaml xos-core -n xos-core
           sleep 60
           helm status xos-core
           popd
           '''
      }
    }

    stage('test'){
      steps {
        sh '''
           helm test xos-core
           mkdir -p ./RobotLogs;
           cp /tmp/helm_test_xos_core_logs_*/* ./RobotLogs
           '''

        step([$class: 'RobotPublisher',
             disableArchiveOutput: false,
             logFileName: 'RobotLogs/log*.html',
             otherFiles: '',
             outputFileName: 'RobotLogs/output*.xml',
             outputPath: '.',
             passThreshold: 100,
             reportFileName: 'RobotLogs/report*.html',
             unstableThreshold: 0]);
      }
    }
  }

  post {
    always {
      sh '''
         kubectl get pods --all-namespaces
         helm list
         kubectl logs xos-core-api-test
         kubectl delete pod xos-core-api-test
         helm delete --purge xos-core
         '''
      deleteDir()
    }
  }
}