// Jenkins Pipelines for Rook Regression

pipeline {

    parameters {
          choice(name: 'node', choices: 'gce-reg\ngce-load', description: 'select env to run tests in ')
          choice(name: 'key', choices: 'master\nPR', description: 'Select master or a PR to run tests aganist - defaults to master')
          string(name: 'PR', defaultValue: '', description: 'PR number, required if key value is set to PR')
          string(name: 'version', defaultValue: '', description: 'Version to run tests against')
      }

    agent { label "${params.node}-master" }

    options {
        disableConcurrentBuilds()
        timestamps()
    }

    stages {
        stage('checkout test scripts') {
            steps {
               sh "mkdir -p _output/charts/"
               sh "wget -O helm.sh https://raw.githubusercontent.com/rook/rook/master/tests/scripts/helm.sh"
               script {
                    if ( "${params.key}" == 'PR' ){
                        if ( "${params.PR}" == '' ){
                            echo '[FAILURE] Need A valid PR number to continue'
                            currentBuild.result = 'FAILURE'
                            error 'Exit pipeline need a pr number'
                        }
                        sh "wget -O integration https://release.rook.io/build/pr/${params.PR}/${params.version}/tests/linux_amd64/integration"
                        sh "wget -O _output/go-junit-report https://release.rook.io/build/pr/${params.PR}/${params.version}/go-junit-report"
                        sh "wget -O version https://release.rook.io/build/pr/${params.PR}/${params.version}/version"
                        versionId = readFile('version').trim()
                        sh "wget -O _output/charts/index.yaml https://release.rook.io/build/pr/${params.PR}/${params.version}/charts/index.yaml"
                        sh "wget -O _output/charts/rook-${versionId}.tgz https://release.rook.io/build/pr/${params.PR}/${params.version}/charts/rook-${versionId}.tgz"

                    }else {
                        sh "wget -O integration https://release.rook.io/build/master/${params.version}/tests/linux_amd64/integration"
                        sh "wget -O _output/go-junit-report https://release.rook.io/build/master/${params.version}/go-junit-report"
                        sh "wget -O version https://release.rook.io/build/master/${params.version}/version"
                        versionId = readFile('version').trim()
                        sh "wget -O _output/charts/index.yaml https://release.rook.io/build/master/${params.version}/charts/index.yaml"
                        sh "wget -O _output/charts/rook-${versionId}.tgz https://release.rook.io/build/master/${params.version}/charts/rook-${versionId}.tgz"
                     }
                    sh "chmod +x _output/go-junit-report"
               }
            }
        }
        //Run regression
        stage ("Run Regression") {
            steps{
                script {
                    sh '''#!/bin/bash
                           export KUBECONFIG=$HOME/admin.conf
                           chmod +x helm.sh
                           ./helm.sh up'''
                    try{
                        sh '''#!/bin/bash
                              set -o pipefail
                              export KUBECONFIG=$HOME/admin.conf
                              kubectl config view
                              kubectl get nodes
                              chmod +x integration
                              mkdir -p _output/tests/
                              ./integration -test.v -test.timeout 1800s 2>&1 | tee _output/tests/regressionTests.log'''
                    }
                    finally{
                            sh "cat _output/tests/regressionTests.log | _output/go-junit-report > _output/tests/regressionTests.xml"
                            archive '_output/tests/*.log,_output/tests/*.xml'
                    }
                }
            }
        }
    }

    post {
        always {
            junit allowEmptyResults: true, keepLongStdio: true, testResults: '_output/tests/*.xml'
            deleteDir()
        }
    }
}