// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

pipeline {

    //FIXME convert this to Matrix job
    agent {
        label 'Hadoop'
    }

    options {
        // N.B. this is per-branch, which means per PR
        disableConcurrentBuilds()
        buildDiscarder(logRotator(daysToKeepStr: '15', artifactDaysToKeepStr: '5'))
        timestamps()
        skipDefaultCheckout()
    }

    environment {
        SRC_REL = 'src'
        PATCH_REL = 'output'
        YETUS_REL = 'yetus'
        DOCKERFILE_REL = "${SRC_REL}/dev/docker/Dockerfile.yetus"
        YETUS_DRIVER_REL = "${SRC_REL}/dev/jenkins_precommit_github_yetus.sh"
        // Branch or tag name.  Yetus release tags are 'rel/X.Y.Z'
        YETUS_VERSION = 'rel/0.12.0'
        PLUGINS= 'all,-findbugs,-gitlab'
        //GENERAL_CHECK_PLUGINS = 'all,-compile,-javac,-javadoc,-jira,-shadedjars,-unit'
        //JDK_SPECIFIC_PLUGINS = 'compile,github,htmlout,javac,javadoc,maven,mvninstall,shadedjars,unit'
        // output from surefire; sadly the archive function in yetus only works on file names.
        ARCHIVE_PATTERN_LIST = 'TEST-*.xml,org.apache.*.txt,*.dumpstream,*.dump'
        // These tests currently have known failures. Once they burn down to 0, remove from here so that new problems will cause a failure.
        //TESTS_FILTER = 'cc,checkstyle,javac,javadoc,pylint,shellcheck,whitespace,perlcritic,ruby-lint,rubocop,mvnsite'
        TESTS_FILTER = 'dummy'
        //EXCLUDE_TESTS_URL = "${JENKINS_URL}/job/HBase/job/HBase-Find-Flaky-Tests/job/${CHANGE_TARGET}/lastSuccessfulBuild/artifact/excludes"

        // a global view of paths. parallel stages can land on the same host concurrently, so each
        // stage works in its own subdirectory. there is an "output" under each of these
        // directories, which we retrieve after the build is complete.
        WORKDIR_REL_GENERAL_CHECK = 'yetus-general-check'
        //WORKDIR_REL_JDK8_HADOOP3_CHECK = 'yetus-jdk8-hadoop3-check'
        //WORKDIR_REL_JDK11_HADOOP3_CHECK = 'yetus-jdk11-hadoop3-check'
        GITHUB_USE_TOKEN = 'true'
    }

    parameters {
        booleanParam(name: 'DEBUG',
               defaultValue: false,
               description: 'Print extra outputs for debugging the jenkins job and yetus')
    }

    stages {
        stage ('precommit checks') {
//Disabled while don't have actual parallel tasks, as this ties up an extra executor
//            parallel {
//                stage ('yetus general check') {
//                    agent {
//                        node {
//                            label 'Hadoop'
//                        }
//                    }
                    options {
                        timeout (time: 3, unit: 'HOURS')
                        timestamps()
                    }
                    environment {
                        // customized per parallel stage
                        //PLUGINS = "${GENERAL_CHECK_PLUGINS}"
                        SET_JAVA_HOME = '/usr/lib/jvm/java-8'
                        WORKDIR_REL = "${WORKDIR_REL_GENERAL_CHECK}"
                        // identical for all parallel stages
                        WORKDIR = "${WORKSPACE}/${WORKDIR_REL}"
                        YETUSDIR = "${WORKDIR}/${YETUS_REL}"
                        SOURCEDIR = "${WORKDIR}/${SRC_REL}"
                        PATCHDIR = "${WORKDIR}/${PATCH_REL}"
                        BUILD_URL_ARTIFACTS = "artifact/${WORKDIR_REL}/${PATCH_REL}"
                        DOCKERFILE = "${WORKDIR}/${DOCKERFILE_REL}"
                        YETUS_DRIVER = "${WORKDIR}/${YETUS_DRIVER_REL}"
                    }
                    steps {
                        dir("${SOURCEDIR}") {
                            checkout scm
                        }
                        dir("${YETUSDIR}") {
                            checkout([
                              $class           : 'GitSCM',
                              branches         : [[name: "${YETUS_VERSION}"]],
                              userRemoteConfigs: [[url: 'https://github.com/apache/yetus.git']]]
                            )
                        }
                        dir("${WORKDIR}") {
                            withCredentials([
                                usernamePassword(
                                  credentialsId: 'c06659ac-4c77-499f-9b9d-485f1b58792c',
                                  passwordVariable: 'GITHUB_PASSWORD',
                                  usernameVariable: 'GITHUB_USER'
                                )]) {
                                sh label: 'test-patch', script: '''#!/bin/bash -e
                                    hostname -a ; pwd ; ls -la
                                    printenv 2>&1 | sort
                                    echo "[INFO] Launching Yetus via ${YETUS_DRIVER}"
                                    "${YETUS_DRIVER}"
                                '''
                            }
                        }
                    }
                    post {
                        always {
                            // Has to be relative to WORKSPACE.
                            junit testResults: "${WORKDIR_REL}/${PATCH_REL}/**/target/**/TEST-*.xml", allowEmptyResults: true
                            publishHTML target: [
                              allowMissing: true,
                              keepAll: true,
                              alwaysLinkToLastBuild: true,
                              // Has to be relative to WORKSPACE
                              reportDir: "${WORKDIR_REL}/${PATCH_REL}",
                              reportFiles: 'report.html',
                              reportName: 'PR General Check Report'
                            ]
                            sh "find ${WORKDIR_REL}/${PATCH_REL} -name org.apache\\*.txt -exec gzip {} \\;"
                            archiveArtifacts artifacts: "${WORKDIR_REL}/${PATCH_REL}/*", excludes: "${WORKDIR_REL}/${PATCH_REL}/precommit"
                            archiveArtifacts artifacts: "${WORKDIR_REL}/${PATCH_REL}/**/*", excludes: "${WORKDIR_REL}/${PATCH_REL}/precommit/**/*"
                        }
                        // Jenkins pipeline jobs fill slaves on PRs without this :(
                        cleanup() {
                            script {
                                sh label: 'Cleanup workspace', script: '''#!/bin/bash -e
                                    # See YETUS-764
                                    if [ -f "${PATCHDIR}/pidfile.txt" ]; then
                                      echo "test-patch process appears to still be running: killing"
                                      kill `cat "${PATCHDIR}/pidfile.txt"` || true
                                      sleep 10
                                    fi
                                    if [ -f "${PATCHDIR}/cidfile.txt" ]; then
                                      echo "test-patch container appears to still be running: killing"
                                      docker kill `cat "${PATCHDIR}/cidfile.txt"` || true
                                    fi
                                    # See HADOOP-13951
                                    chmod -R u+rxw "${WORKSPACE}"
                                '''
                                dir ("${WORKDIR}") {
                                    deleteDir()
                                }
                            }
                        }
                    }
                //}
            //}
        }
    }

    post {
        // Jenkins pipeline jobs fill slaves on PRs without this :(
        cleanup() {
            script {
                sh label: 'Cleanup workspace', script: '''#!/bin/bash -e
                    # See HADOOP-13951
                    chmod -R u+rxw "${WORKSPACE}"
                    '''
                deleteDir()
            }
        }
    }
}