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#!/usr/bin/env groovy
// Copyright (C) 2020-2021 VyOS maintainers and contributors
//
// This program is free software; you can redistribute it and/or modify
// in order to easy exprort images built to "external" world
// it under the terms of the GNU General Public License version 2 or later as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

def call(description=null, pkgList=null, buildCmd=null, buildArm=false) {
    // - description: Arbitrary text to print on Jenkins Job Description
    //   instead of package name
    // - pkgList: Multiple packages can be build at once in a single Pipeline run
    // - buildCmd: replace default build command "dpkg-buildpackage -uc -us -tc -b"
    //   with this custom version

    // Only keep the 10 most recent builds
    def projectProperties = [
        [$class: 'BuildDiscarderProperty',strategy: [$class: 'LogRotator', numToKeepStr: '10']],
    ]

    properties(projectProperties)
    setDescription(description)

    node('Docker') {
        stage('Define Agent') {
           script {
               // create container name on demand
               def branchName = getGitBranchName()
               // Adjust PR target branch name so we can re-map it to the proper Docker image.
               if (isPullRequest())
                   branchName = '${env.CHANGE_TARGET}'.toLowerCase()
               if (branchName.equals('master'))
                   branchName = 'current'

               env.DOCKER_IMAGE = 'vyos/vyos-build:' + branchName
               env.DOCKER_ARGS = '--sysctl net.ipv6.conf.lo.disable_ipv6=0 -e GOSU_UID=1006 -e GOSU_GID=1006'
           }
        }
    }

    pipeline {
        agent any
        options {
            disableConcurrentBuilds()
            skipDefaultCheckout()
            timeout(time: 120, unit: 'MINUTES')
            timestamps()
        }
        stages {
            stage('Checkout Code') {
                parallel {
                    stage('amd64') {
                        agent {
                            docker {
                                args "${env.DOCKER_ARGS}"
                                image "${env.DOCKER_IMAGE}"
                                alwaysPull true
                                reuseNode true
                            }
                        }
                        environment {
                            // get relative directory path to Jenkinsfile
                            BASE_DIR = getJenkinsfilePath()
                            CHANGESET_DIR = getChangeSetPath()
                        }
                        steps {
                            script {
                                cloneAndBuild(description, 'amd64', pkgList, buildCmd)
                            }
                        }
                    }
                    stage('arm64') {
                        agent {
                            docker {
                                args "${env.DOCKER_ARGS}"
                                image "${env.DOCKER_IMAGE}-arm64"
                                alwaysPull true
                                reuseNode true
                            }
                        }
                        when {
                            equals expected: true, actual: buildArm
                        }
                        environment {
                            // get relative directory path to Jenkinsfile
                            BASE_DIR = getJenkinsfilePath()
                            CHANGESET_DIR = getChangeSetPath()
                        }
                        steps {
                            script {
                                cloneAndBuild(description, 'arm64', pkgList, buildCmd)
                            }
                        }
                    }
                }
            }
        }
        post {
            cleanup {
                deleteDir()
            }
            success {
                script {
                    if (isCustomBuild()) {
                        return
                    }
                    copyArtifacts fingerprintArtifacts: true, projectName: '${JOB_NAME}', selector: specific('${BUILD_NUMBER}')

                    // build up some fancy groovy variables so we do not need to write/copy
                    // every option over and over again!
                    def RELEASE = getGitBranchName()
                    if (getGitBranchName() == "master")
                        RELEASE = 'current'

                    def VYOS_REPO_PATH = '/home/sentrium/web/dev.packages.vyos.net/public_html/repositories/' + RELEASE
                    if (getGitBranchName() == "crux")
                        VYOS_REPO_PATH += '/vyos'

                    def SSH_OPTS = '-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o LogLevel=ERROR'
                    def SSH_REMOTE = env.DEV_PACKAGES_VYOS_NET_HOST // defined as global variable
                    def SSH_DIR = '~/VyOS/' + RELEASE

                    // publish build result, using SSH-dev.packages.vyos.net Jenkins Credentials
                    sshagent(['SSH-dev.packages.vyos.net']) {
                        files = findFiles(glob: '**/*.deb')
                        if (files) {
                            sh(script: "ssh ${SSH_OPTS} ${SSH_REMOTE} -t \"bash --login -c 'mkdir -p ${SSH_DIR}'\"")
                            echo "Uploading package(s) and updating package(s) in the repository ..."
                            files.each { FILE ->
                                // NOTE: Groovy is a pain in the ass and " quotes differ from ', so all shell code must use " in the beginning
                                def PACKAGE = sh(returnStdout: true, script: "dpkg-deb -f ${FILE} Package").trim()
                                def PACKAGE_ARCH = sh(returnStdout: true, script: "dpkg-deb -f ${FILE} Architecture").trim()
                                def ARCH = ''
                                if (PACKAGE_ARCH != 'all')
                                    ARCH = '-A ' + PACKAGE_ARCH
                                sh(script: "scp ${SSH_OPTS} ${FILE} ${SSH_REMOTE}:${SSH_DIR}")
                                sh(script: "ssh ${SSH_OPTS} ${SSH_REMOTE} -t \"uncron-add 'reprepro -v -b ${VYOS_REPO_PATH} ${ARCH} remove ${RELEASE} ${PACKAGE}'\"")
                                // packages like FRR produce their binary in a nested path e.g. build-arm64/packages/frr/frr-rpki-rtrlib-dbgsym_7.5_arm64.deb
                                // thus we will only extract the filename portion from FILE as the binary is scp'ed to SSH_DIR without any subpath.
                                sh(script: "ssh ${SSH_OPTS} ${SSH_REMOTE} -t \"uncron-add 'reprepro -v -b ${VYOS_REPO_PATH} ${ARCH} includedeb ${RELEASE} ${SSH_DIR}/${FILE##*/}'\"")
                            }
                            sh(script: "ssh ${SSH_OPTS} ${SSH_REMOTE} -t \"uncron-add 'reprepro -v -b ${VYOS_REPO_PATH} deleteunreferenced'\"")
                        }
                    }
                }
            }
        }
    }
}