JenkinsfileStageMerge

// Openshift project
OPENSHIFT_NAMESPACE = "continuous-infra"
DOCKER_REPO_URL = '172.30.254.79:5000'
STABLE_LABEL = "stable"

// git commit default
env.ghprbActualCommit = env.ghprbActualCommit ?: 'master'

imageOperations = []

library identifier: "ci-pipeline@master",
        retriever: modernSCM([$class: 'GitSCMSource',
                              remote: "https://github.com/CentOS-PaaS-SIG/ci-pipeline"])

properties([
        buildDiscarder(logRotator(artifactNumToKeepStr: '20', numToKeepStr: '20')),
        [$class: 'GithubProjectProperty', displayName: '', projectUrlStr: 'https://github.com/CentOS-PaaS-SIG/contra-env-setup/'],
        [$class: 'org.jenkinsci.plugins.workflow.job.properties.PipelineTriggersJobProperty', triggers:[
                [
                        $class: 'org.jenkinsci.plugins.ghprb.GhprbTrigger',
                        orgslist: 'CentOS-PaaS-SIG',
                        cron: 'H/5 * * * *',
                        triggerPhrase: '.*\\[merge\\].*',
                        onlyTriggerPhrase: true,
                        useGitHubHooks: true,
                        permitAll: false,
                        autoCloseFailedPullRequests: false,
                        displayBuildErrorsOnDownstreamBuilds: true,
                        extensions: [
                                [
                                        $class: 'org.jenkinsci.plugins.ghprb.extensions.status.GhprbSimpleStatus',
                                        commitStatusContext: 'Merge PR',
                                        showMatrixStatus: false,
                                        triggeredStatus: 'Starting job...',
                                        startedStatus: 'Merging...',
                                ]
                        ]
                ]
        ]]
])

pipeline {
    agent {
        kubernetes {
            cloud 'openshift'
            label 'merge-trigger-' + env.ghprbActualCommit
            containerTemplate {
                name 'jnlp'
                args '${computer.jnlpmac} ${computer.name}'
                image DOCKER_REPO_URL + '/' + OPENSHIFT_NAMESPACE + '/jenkins-continuous-infra-slave:' + STABLE_LABEL
                ttyEnabled false
                command ''
            }
        }
    }
    stages {
        stage("Merge PR") {
            steps {
                // lock to make sure only one is allowed at anytime
                lock('merge-lock') {
                    script {
                        // need this for ghprb plugin since it is really
                        // a post build step and it assumes the build is complete.
                        currentBuild.result = 'SUCCESS'
                    }

                    step([$class: 'GhprbPullRequestMerge', allowMergeWithoutTriggerPhrase: false, deleteOnMerge: false, disallowOwnCode: false, failOnNonMerge: false, mergeComment: ' ', onlyAdminsMerge: false])

                }
            }
        }
        stage('Rebuild images') {
            parallel {
                stage("Rebuild centos7 testing image") {
                    when {
                        // Only build if we have related files in changeset or we manually set the parameter for this image
                        changeset 'test/config/Dockerfiles/contra-env-setup-c7/**'
                    }
                    steps {
                        script {
                            pipelineUtils.buildStableImage(OPENSHIFT_NAMESPACE, 'contra-env-setup-c7')
                            imageOperations.add('contra-env-setup-c7')
                        }
                    }
                }
                stage("Rebuild fedora28 testing image") {
                    when {
                        // Only build if we have related files in changeset or we manually set the parameter for this image
                        changeset 'test/config/Dockerfiles/contra-env-setup-f28/**'
                    }
                    steps {
                        script {
                            pipelineUtils.buildStableImage(OPENSHIFT_NAMESPACE, 'contra-env-setup-f28')
                            imageOperations.add('contra-env-setup-f28')
                        }
                    }
                }
            }
        }
        stage("Comment image promotions on PR") {
            steps {
                script {
                    pipelineUtils.sendPRCommentforTags(imageOperations)
                }
            }
        }
    }
}