// 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 {
  agent {
    node {
      label 'Hadoop'
    }
  }
  triggers {
    cron('@daily')
  }
  options {
    buildDiscarder(logRotator(numToKeepStr: '15'))
    timeout (time: 6, unit: 'HOURS')
    timestamps()
    skipDefaultCheckout()
  }
  environment {
    YETUS_RELEASE = '0.11.0'
    // where we'll write everything from different steps. Need a copy here so the final step can check for success/failure.
    OUTPUT_DIR_RELATIVE_GENERAL = 'output-general'
    OUTPUT_DIR_RELATIVE_JDK7 = 'output-jdk7'
    OUTPUT_DIR_RELATIVE_HADOOP2 = 'output-jdk8-hadoop2'
    OUTPUT_DIR_RELATIVE_HADOOP3 = 'output-jdk8-hadoop3'

    PROJECT = 'hbase'
    PROJECT_PERSONALITY = 'https://raw.githubusercontent.com/apache/hbase/master/dev-support/hbase-personality.sh'
    PERSONALITY_FILE = 'tools/personality.sh'
    // This section of the docs tells folks not to use the javadoc tag. older branches have our old version of the check for said tag.
    AUTHOR_IGNORE_LIST = 'src/main/asciidoc/_chapters/developer.adoc,dev-support/test-patch.sh'
    WHITESPACE_IGNORE_LIST = '.*/generated/.*'
    // output from surefire; sadly the archive function in yetus only works on file names.
    ARCHIVE_PATTERN_LIST = 'TEST-*.xml,org.apache.h*.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,xml'
    EXCLUDE_TESTS_URL = "${JENKINS_URL}/job/HBase-Find-Flaky-Tests/job/${BRANCH_NAME}/lastSuccessfulBuild/artifact/excludes"
  }
  parameters {
    booleanParam(name: 'USE_YETUS_PRERELEASE', defaultValue: false, description: '''Check to use the current HEAD of apache/yetus rather than our configured release.

    Should only be used manually when e.g. there is some non-work-aroundable issue in yetus we are checking a fix for.''')
    booleanParam(name: 'DEBUG', defaultValue: false, description: 'Produce a lot more meta-information.')
  }
  stages {
    stage ('yetus install') {
      steps {
        sh  '''#!/usr/bin/env bash
set -e
echo "Ensure we have a copy of Apache Yetus."
if [[ true !=  "${USE_YETUS_PRERELEASE}" ]]; then
  YETUS_DIR="${WORKSPACE}/yetus-${YETUS_RELEASE}"
  echo "Checking for Yetus ${YETUS_RELEASE} in '${YETUS_DIR}'"
  if ! "${YETUS_DIR}/bin/test-patch" --version >/dev/null 2>&1 ; then
    echo "New download of Apache Yetus version ${YETUS_RELEASE}."
    rm -rf "${YETUS_DIR}"
    rm -rf "${WORKSPACE}/.gpg"
    mkdir -p "${WORKSPACE}/.gpg"
    chmod -R 700 "${WORKSPACE}/.gpg"

    echo "install yetus project KEYS"
    curl -L --fail -o "${WORKSPACE}/KEYS_YETUS" https://dist.apache.org/repos/dist/release/yetus/KEYS
    gpg --homedir "${WORKSPACE}/.gpg" --import "${WORKSPACE}/KEYS_YETUS"

    echo "download yetus release ${YETUS_RELEASE}"
    curl -L --fail -O "https://dist.apache.org/repos/dist/release/yetus/${YETUS_RELEASE}/apache-yetus-${YETUS_RELEASE}-bin.tar.gz"
    curl -L --fail -O "https://dist.apache.org/repos/dist/release/yetus/${YETUS_RELEASE}/apache-yetus-${YETUS_RELEASE}-bin.tar.gz.asc"
    echo "verifying yetus release"
    gpg --homedir "${WORKSPACE}/.gpg" --verify "apache-yetus-${YETUS_RELEASE}-bin.tar.gz.asc"
    mv "apache-yetus-${YETUS_RELEASE}-bin.tar.gz" yetus.tar.gz
  else
    echo "Reusing cached download of Apache Yetus version ${YETUS_RELEASE}."
  fi
else
  YETUS_DIR="${WORKSPACE}/yetus-git"
  rm -rf "${YETUS_DIR}"
  echo "downloading from github"
  curl -L --fail https://api.github.com/repos/apache/yetus/tarball/HEAD -o yetus.tar.gz
fi
if [ ! -d "${YETUS_DIR}" ]; then
  echo "unpacking yetus into '${YETUS_DIR}'"
  mkdir -p "${YETUS_DIR}"
  gunzip -c yetus.tar.gz | tar xpf - -C "${YETUS_DIR}" --strip-components 1
fi
        '''
        // Set up the file we need at PERSONALITY_FILE location
        dir ("tools") {
          sh """#!/usr/bin/env bash
set -e
echo "Downloading Project personality."
curl -L  -o personality.sh "${env.PROJECT_PERSONALITY}"
          """
        }
        stash name: 'yetus', includes: "yetus-*/*,yetus-*/**/*,tools/personality.sh"
      }
    }
    stage ('init health results') {
      steps {
        // stash with given name for all tests we might run, so that we can unstash all of them even if
        // we skip some due to e.g. branch-specific JDK or Hadoop support
        stash name: 'general-result', allowEmpty: true, includes: "${OUTPUT_DIR_RELATIVE_GENERAL}/doesn't-match"
        stash name: 'jdk7-result', allowEmpty: true, includes: "${OUTPUT_DIR_RELATIVE_JDK7}/doesn't-match"
        stash name: 'hadoop2-result', allowEmpty: true, includes: "${OUTPUT_DIR_RELATIVE_HADOOP2}/doesn't-match"
        stash name: 'hadoop3-result', allowEmpty: true, includes: "${OUTPUT_DIR_RELATIVE_HADOOP3}/doesn't-match"
        stash name: 'srctarball-result', allowEmpty: true, includes: "output-srctarball/doesn't-match"
      }
    }
    stage ('health checks') {
      parallel {
        stage ('yetus general check') {
          agent {
            node {
              label 'Hadoop'
            }
          }
          environment {
            BASEDIR = "${env.WORKSPACE}/component"
            // TODO does hadoopcheck need to be jdk specific?
            // Should be things that work with multijdk
            TESTS = 'all,-unit,-findbugs'
            // all jdks tested on this stage for this branch
            // note that JAVA_HOME still needs to be set for tests
            // that don't support multijdk. JAVA_HOME will also
            // determine which jvm will be tested last.
            MULTIJDK = '/usr/lib/jvm/zulu-8-amd64,/usr/lib/jvm/zulu-7-amd64'
            OUTPUT_DIR_RELATIVE = "${env.OUTPUT_DIR_RELATIVE_GENERAL}"
            OUTPUT_DIR = "${env.WORKSPACE}/${env.OUTPUT_DIR_RELATIVE_GENERAL}"
            SKIP_ERRORPRONE = 'true'
          }
          steps {
            // Must do prior to anything else, since if one of them timesout we'll stash the commentfile
            sh '''#!/usr/bin/env bash
              set -e
              rm -rf "${OUTPUT_DIR}" && mkdir "${OUTPUT_DIR}"
              echo '(x) {color:red}-1 general checks{color}' >"${OUTPUT_DIR}/commentfile"
              echo "-- Something went wrong running this stage, please [check relevant console output|${BUILD_URL}/console]." >> "${OUTPUT_DIR}/commentfile"
'''
            unstash 'yetus'
            dir('component') {
              checkout scm
            }
            sh '''#!/usr/bin/env bash
              set -e
              rm -rf "${OUTPUT_DIR}/machine" && mkdir "${OUTPUT_DIR}/machine"
              "${BASEDIR}/dev-support/gather_machine_environment.sh" "${OUTPUT_DIR_RELATIVE}/machine"
              echo "got the following saved stats in '${OUTPUT_DIR_RELATIVE}/machine'"
              ls -lh "${OUTPUT_DIR_RELATIVE}/machine"
'''
            // TODO roll this into the hbase_nightly_yetus script
            sh '''#!/usr/bin/env bash
              set -e
              declare -i status=0
              if "${BASEDIR}/dev-support/hbase_nightly_yetus.sh" ; then
                echo '(/) {color:green}+1 general checks{color}' > "${OUTPUT_DIR}/commentfile"
              else
                echo '(x) {color:red}-1 general checks{color}' > "${OUTPUT_DIR}/commentfile"
                status=1
              fi
              echo "-- For more information [see general report|${BUILD_URL}/General_Nightly_Build_Report/]" >> "${OUTPUT_DIR}/commentfile"
              exit "${status}"
            '''
          }
          post {
            always {
              stash name: 'general-result', includes: "${OUTPUT_DIR_RELATIVE}/commentfile"
              // Has to be relative to WORKSPACE.
              archive "${env.OUTPUT_DIR_RELATIVE}/*"
              archive "${env.OUTPUT_DIR_RELATIVE}/**/*"
              publishHTML target: [
                allowMissing: true,
                keepAll: true,
                alwaysLinkToLastBuild: true,
                // Has to be relative to WORKSPACE
                reportDir: "${env.OUTPUT_DIR_RELATIVE}",
                reportFiles: 'console-report.html',
                reportName: 'General Nightly Build Report'
              ]
            }
          }
        }
        stage ('yetus jdk7 checks') {
          agent {
            node {
              label 'Hadoop'
            }
          }
          when {
            branch 'branch-1*'
          }
          environment {
            BASEDIR = "${env.WORKSPACE}/component"
            TESTS = 'maven,mvninstall,compile,javac,unit,htmlout'
            OUTPUT_DIR_RELATIVE = "${env.OUTPUT_DIR_RELATIVE_JDK7}"
            OUTPUT_DIR = "${env.WORKSPACE}/${env.OUTPUT_DIR_RELATIVE_JDK7}"
            // On branches where we do jdk7 checks, jdk7 will be JAVA_HOME already.
            SKIP_ERRORPRONE = 'true'
          }
          steps {
            // Must do prior to anything else, since if one of them timesout we'll stash the commentfile
            sh '''#!/usr/bin/env bash
              set -e
              rm -rf "${OUTPUT_DIR}" && mkdir "${OUTPUT_DIR}"
              echo '(x) {color:red}-1 jdk7 checks{color}' >"${OUTPUT_DIR}/commentfile"
              echo "-- Something went wrong running this stage, please [check relevant console output|${BUILD_URL}/console]." >> "${OUTPUT_DIR}/commentfile"
'''
            unstash 'yetus'
            dir('component') {
              checkout scm
            }
            sh '''#!/usr/bin/env bash
              set -e
              rm -rf "${OUTPUT_DIR}/machine" && mkdir "${OUTPUT_DIR}/machine"
              "${BASEDIR}/dev-support/gather_machine_environment.sh" "${OUTPUT_DIR_RELATIVE}/machine"
              echo "got the following saved stats in '${OUTPUT_DIR_RELATIVE}/machine'"
              ls -lh "${OUTPUT_DIR_RELATIVE}/machine"
'''
            sh '''#!/usr/bin/env bash
              set -e
              declare -i status=0
              if "${BASEDIR}/dev-support/hbase_nightly_yetus.sh" ; then
                echo '(/) {color:green}+1 jdk7 checks{color}' > "${OUTPUT_DIR}/commentfile"
              else
                echo '(x) {color:red}-1 jdk7 checks{color}' > "${OUTPUT_DIR}/commentfile"
                status=1
              fi
              echo "-- For more information [see jdk7 report|${BUILD_URL}/JDK7_Nightly_Build_Report/]" >> "${OUTPUT_DIR}/commentfile"
              exit "${status}"
            '''
          }
          post {
            always {
              stash name: 'jdk7-result', includes: "${OUTPUT_DIR_RELATIVE}/commentfile"
              junit testResults: "${env.OUTPUT_DIR_RELATIVE}/**/target/**/TEST-*.xml", allowEmptyResults: true
              // zip surefire reports.
              sh '''#!/bin/bash -e
                if [ -d "${OUTPUT_DIR}/archiver" ]; then
                  count=$(find "${OUTPUT_DIR}/archiver" -type f | wc -l)
                  if [[ 0 -ne ${count} ]]; then
                    echo "zipping ${count} archived files"
                    zip -q -m -r "${OUTPUT_DIR}/test_logs.zip" "${OUTPUT_DIR}/archiver"
                  else
                    echo "No archived files, skipping compressing."
                  fi
                else
                  echo "No archiver directory, skipping compressing."
                fi
'''
              // Has to be relative to WORKSPACE.
              archive "${env.OUTPUT_DIR_RELATIVE}/*"
              archive "${env.OUTPUT_DIR_RELATIVE}/**/*"
              publishHTML target: [
                allowMissing         : true,
                keepAll              : true,
                alwaysLinkToLastBuild: true,
                // Has to be relative to WORKSPACE.
                reportDir            : "${env.OUTPUT_DIR_RELATIVE}",
                reportFiles          : 'console-report.html',
                reportName           : 'JDK7 Nightly Build Report'
              ]
            }
          }
        }
        stage ('yetus jdk8 hadoop2 checks') {
          agent {
            node {
              label 'Hadoop'
            }
          }
          environment {
            BASEDIR = "${env.WORKSPACE}/component"
            TESTS = 'maven,mvninstall,compile,javac,unit,findbugs,htmlout'
            OUTPUT_DIR_RELATIVE = "${env.OUTPUT_DIR_RELATIVE_HADOOP2}"
            OUTPUT_DIR = "${env.WORKSPACE}/${env.OUTPUT_DIR_RELATIVE_HADOOP2}"
            // this is branch-1 specific. the branch-2+ version uses openjdk artifacts
            SET_JAVA_HOME = '/usr/lib/jvm/zulu-8-amd64'
          }
          steps {
            // Must do prior to anything else, since if one of them timesout we'll stash the commentfile
            sh '''#!/usr/bin/env bash
              set -e
              rm -rf "${OUTPUT_DIR}" && mkdir "${OUTPUT_DIR}"
              echo '(x) {color:red}-1 jdk8 hadoop2 checks{color}' >"${OUTPUT_DIR}/commentfile"
              echo "-- Something went wrong running this stage, please [check relevant console output|${BUILD_URL}/console]." >> "${OUTPUT_DIR}/commentfile"
'''
            unstash 'yetus'
            dir('component') {
              checkout scm
            }
            sh '''#!/usr/bin/env bash
              set -e
              rm -rf "${OUTPUT_DIR}/machine" && mkdir "${OUTPUT_DIR}/machine"
              "${BASEDIR}/dev-support/gather_machine_environment.sh" "${OUTPUT_DIR_RELATIVE}/machine"
              echo "got the following saved stats in '${OUTPUT_DIR_RELATIVE}/machine'"
              ls -lh "${OUTPUT_DIR_RELATIVE}/machine"
'''
            sh '''#!/usr/bin/env bash
              set -e
              declare -i status=0
              if "${BASEDIR}/dev-support/hbase_nightly_yetus.sh" ; then
                echo '(/) {color:green}+1 jdk8 hadoop2 checks{color}' > "${OUTPUT_DIR}/commentfile"
              else
                echo '(x) {color:red}-1 jdk8 hadoop2 checks{color}' > "${OUTPUT_DIR}/commentfile"
                status=1
              fi
              echo "-- For more information [see jdk8 (hadoop2) report|${BUILD_URL}/JDK8_Nightly_Build_Report_(Hadoop2)/]" >> "${OUTPUT_DIR}/commentfile"
              exit "${status}"
            '''
          }
          post {
            always {
              stash name: 'hadoop2-result', includes: "${OUTPUT_DIR_RELATIVE}/commentfile"
              junit testResults: "${env.OUTPUT_DIR_RELATIVE}/**/target/**/TEST-*.xml", allowEmptyResults: true
              // zip surefire reports.
              sh '''#!/bin/bash -e
                if [ -d "${OUTPUT_DIR}/archiver" ]; then
                  count=$(find "${OUTPUT_DIR}/archiver" -type f | wc -l)
                  if [[ 0 -ne ${count} ]]; then
                    echo "zipping ${count} archived files"
                    zip -q -m -r "${OUTPUT_DIR}/test_logs.zip" "${OUTPUT_DIR}/archiver"
                  else
                    echo "No archived files, skipping compressing."
                  fi
                else
                  echo "No archiver directory, skipping compressing."
                fi
'''
              // Has to be relative to WORKSPACE.
              archive "${env.OUTPUT_DIR_RELATIVE}/*"
              archive "${env.OUTPUT_DIR_RELATIVE}/**/*"
              publishHTML target: [
                allowMissing         : true,
                keepAll              : true,
                alwaysLinkToLastBuild: true,
                // Has to be relative to WORKSPACE.
                reportDir            : "${env.OUTPUT_DIR_RELATIVE}",
                reportFiles          : 'console-report.html',
                reportName           : 'JDK8 Nightly Build Report (Hadoop2)'
              ]
            }
          }
        }
        stage ('yetus jdk8 hadoop3 checks') {
          agent {
            node {
              label 'Hadoop'
            }
          }
          when {
            not {
              branch 'branch-1*'
            }
          }
          environment {
            BASEDIR = "${env.WORKSPACE}/component"
            TESTS = 'maven,mvninstall,compile,javac,unit,htmlout'
            OUTPUT_DIR_RELATIVE = "${env.OUTPUT_DIR_RELATIVE_HADOOP3}"
            OUTPUT_DIR = "${env.WORKSPACE}/${env.OUTPUT_DIR_RELATIVE_HADOOP3}"
            // this is branch-1 specific. the branch-2+ version uses openjdk artifacts
            SET_JAVA_HOME = '/usr/lib/jvm/zulu-8-amd64'
            // Activates hadoop 3.0 profile in maven runs.
            HADOOP_PROFILE = '3.0'
          }
          steps {
            // Must do prior to anything else, since if one of them timesout we'll stash the commentfile
            sh '''#!/usr/bin/env bash
              set -e
              rm -rf "${OUTPUT_DIR}" && mkdir "${OUTPUT_DIR}"
              echo '(x) {color:red}-1 jdk8 hadoop3 checks{color}' >"${OUTPUT_DIR}/commentfile"
              echo "-- Something went wrong running this stage, please [check relevant console output|${BUILD_URL}/console]." >> "${OUTPUT_DIR}/commentfile"
'''
            unstash 'yetus'
            dir('component') {
              checkout scm
            }
            sh '''#!/usr/bin/env bash
              set -e
              rm -rf "${OUTPUT_DIR}/machine" && mkdir "${OUTPUT_DIR}/machine"
              "${BASEDIR}/dev-support/gather_machine_environment.sh" "${OUTPUT_DIR_RELATIVE}/machine"
              echo "got the following saved stats in '${OUTPUT_DIR_RELATIVE}/machine'"
              ls -lh "${OUTPUT_DIR_RELATIVE}/machine"
'''
            sh '''#!/usr/bin/env bash
              set -e
              declare -i status=0
              if "${BASEDIR}/dev-support/hbase_nightly_yetus.sh" ; then
                echo '(/) {color:green}+1 jdk8 hadoop3 checks{color}' > "${OUTPUT_DIR}/commentfile"
              else
                echo '(x) {color:red}-1 jdk8 hadoop3 checks{color}' > "${OUTPUT_DIR}/commentfile"
                status=1
              fi
              echo "-- For more information [see jdk8 (hadoop3) report|${BUILD_URL}/JDK8_Nightly_Build_Report_(Hadoop3)/]" >> "${OUTPUT_DIR}/commentfile"
              exit "${status}"
            '''
          }
          post {
            always {
              stash name: 'hadoop3-result', includes: "${OUTPUT_DIR_RELATIVE}/commentfile"
              junit testResults: "${env.OUTPUT_DIR_RELATIVE}/**/target/**/TEST-*.xml", allowEmptyResults: true
              // zip surefire reports.
              sh '''#!/bin/bash -e
                if [ -d "${OUTPUT_DIR}/archiver" ]; then
                  count=$(find "${OUTPUT_DIR}/archiver" -type f | wc -l)
                  if [[ 0 -ne ${count} ]]; then
                    echo "zipping ${count} archived files"
                    zip -q -m -r "${OUTPUT_DIR}/test_logs.zip" "${OUTPUT_DIR}/archiver"
                  else
                    echo "No archived files, skipping compressing."
                  fi
                else
                  echo "No archiver directory, skipping compressing."
                fi
'''
              // Has to be relative to WORKSPACE.
              archive "${env.OUTPUT_DIR_RELATIVE}/*"
              archive "${env.OUTPUT_DIR_RELATIVE}/**/*"
              publishHTML target: [
                allowMissing         : true,
                keepAll              : true,
                alwaysLinkToLastBuild: true,
                // Has to be relative to WORKSPACE.
                reportDir            : "${env.OUTPUT_DIR_RELATIVE}",
                reportFiles          : 'console-report.html',
                reportName           : 'JDK8 Nightly Build Report (Hadoop3)'
              ]
            }
          }
        }
        // This is meant to mimic what a release manager will do to create RCs.
        // See http://hbase.apache.org/book.html#maven.release
        stage ('create source tarball') {
          tools {
            maven 'Maven (latest)'
            // this needs to be set to the jdk that ought to be used to build releases on the branch the Jenkinsfile is stored in.
            jdk "JDK 1.7 (latest)"
          }
          environment {
            BASEDIR = "${env.WORKSPACE}/component"
          }
          steps {
            sh '''#!/bin/bash -e
              echo "Setting up directories"
              rm -rf "output-srctarball" && mkdir "output-srctarball"
              rm -rf "unpacked_src_tarball" && mkdir "unpacked_src_tarball"
              rm -rf ".m2-for-repo" && mkdir ".m2-for-repo"
              rm -rf ".m2-for-src" && mkdir ".m2-for-src"
              echo '(x) {color:red}-1 source release artifact{color}\n-- Something went wrong with this stage, [check relevant console output|${BUILD_URL}/console].' >output-srctarball/commentfile
'''
            dir('component') {
              checkout scm
            }
            sh '''#!/usr/bin/env bash
              set -e
              rm -rf "output-srctarball/machine" && mkdir "output-srctarball/machine"
              "${BASEDIR}/dev-support/gather_machine_environment.sh" "output-srctarball/machine"
              echo "got the following saved stats in 'output-srctarball/machine'"
              ls -lh "output-srctarball/machine"
'''
            sh """#!/bin/bash -e
              if "${env.BASEDIR}/dev-support/hbase_nightly_source-artifact.sh" \
                  --intermediate-file-dir output-srctarball \
                  --unpack-temp-dir unpacked_src_tarball \
                  --maven-m2-initial .m2-for-repo \
                  --maven-m2-src-build .m2-for-src \
                  --clean-source-checkout \
                  "${env.BASEDIR}" ; then
                echo '(/) {color:green}+1 source release artifact{color}\n-- See build output for details.' >output-srctarball/commentfile
              else
                echo '(x) {color:red}-1 source release artifact{color}\n-- See build output for details.' >output-srctarball/commentfile
                exit 1
              fi
"""
          }
          post {
            always {
              stash name: 'srctarball-result', includes: "output-srctarball/commentfile"
              archive 'output-srctarball/*'
              archive 'output-srctarball/**/*'
            }
          }
        }
      }
    }
  }
  post {
    always {
      script {
         try {
           unstash 'general-result'
           unstash 'jdk7-result'
           unstash 'hadoop2-result'
           unstash 'hadoop3-result'
           unstash 'srctarball-result'
           sh "printenv"
           def results = ["${env.OUTPUT_DIR_RELATIVE_GENERAL}/commentfile",
                          "${env.OUTPUT_DIR_RELATIVE_JDK7}/commentfile",
                          "${env.OUTPUT_DIR_RELATIVE_HADOOP2}/commentfile",
                          "${env.OUTPUT_DIR_RELATIVE_HADOOP3}/commentfile",
                          'output-srctarball/commentfile']
           echo env.BRANCH_NAME
           echo env.BUILD_URL
           echo currentBuild.result
           echo currentBuild.durationString
           def comment = "Results for branch ${env.BRANCH_NAME}\n"
           comment += "\t[build ${currentBuild.displayName} on builds.a.o|${env.BUILD_URL}]: "
           if (currentBuild.result == null || currentBuild.result == "SUCCESS") {
              comment += "(/) *{color:green}+1 overall{color}*\n"
           } else {
              comment += "(x) *{color:red}-1 overall{color}*\n"
              // Ideally get the committer our of the change and @ mention them in the per-jira comment
           }
           comment += "----\ndetails (if available):\n\n"
           echo ""
           echo "[DEBUG] trying to aggregate step-wise results"
           comment += results.collect { fileExists(file: it) ? readFile(file: it) : "" }.join("\n\n")
           echo "[INFO] Comment:"
           echo comment
           echo ""
           echo "[INFO] There are ${currentBuild.changeSets.size()} change sets."
           getJirasToComment(currentBuild).each { currentIssue ->
             jiraComment issueKey: currentIssue, body: comment
           }
        } catch (Exception exception) {
          echo "Got exception: ${exception}"
          echo "    ${exception.getStackTrace()}"
        }
      }
    }
  }
}
import org.jenkinsci.plugins.workflow.support.steps.build.RunWrapper
@NonCPS
List<String> getJirasToComment(RunWrapper thisBuild) {
  def seenJiras = []
  thisBuild.changeSets.each { cs ->
    cs.getItems().each { change ->
      CharSequence msg = change.msg
      echo "change: ${change}"
      echo "     ${msg}"
      echo "     ${change.commitId}"
      echo "     ${change.author}"
      echo ""
      msg.eachMatch("HBASE-[0-9]+") { currentIssue ->
        echo "[DEBUG] found jira key: ${currentIssue}"
        if (currentIssue in seenJiras) {
          echo "[DEBUG] already commented on ${currentIssue}."
        } else {
          echo "[INFO] commenting on ${currentIssue}."
          seenJiras << currentIssue
        }
      }
    }
  }
  return seenJiras
}