Jenkins: lib: add programmable package build Pipeline

2 files changed, 130 insertions, 2 deletions

diff --git a/vars/buildPackage.groovy b/vars/buildPackage.groovy
new file mode 100644
index 00000000..96d6a164
--- /dev/null
+++ b/vars/buildPackage.groovy
@@ -0,0 +1,124 @@
+#!/usr/bin/env groovy
+
+// Copyright (C) 2020 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, pkgList) {
+    /* 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. CHANGE_ID is set only for pull requests, so it is
+               // safe to access the pullRequest global variable
+               if (env.CHANGE_ID) {
+                   branchName = "${env.CHANGE_TARGET}".toLowerCase()
+               }
+               if (branchName.equals("master")) {
+                   branchName = "current"
+               }
+               env.DOCKER_IMAGE = "vyos/vyos-build:" + branchName
+           }
+        }
+    }
+    pipeline {
+        agent {
+            docker {
+                args "--sysctl net.ipv6.conf.lo.disable_ipv6=0 -e GOSU_UID=1006 -e GOSU_GID=1006"
+                image "${env.DOCKER_IMAGE}"
+                alwaysPull true
+            }
+        }
+        environment {
+            // get relative directory path to Jenkinsfile
+            BASE_DIR = currentBuild.rawBuild.parent.definition.scriptPath.replace('Jenkinsfile', '')
+            CHANGESET_DIR = "**/${env.BASE_DIR}*"
+        }
+        options {
+            disableConcurrentBuilds()
+            timeout(time: 60, unit: 'MINUTES')
+            timestamps()
+        }
+        stages {
+            stage('Fetch Source') {
+                when {
+                    beforeOptions true
+                    beforeAgent true
+                    anyOf {
+                        changeset "${env.CHANGESET_DIR}"
+                        triggeredBy 'TimerTrigger'
+                        triggeredBy cause: "UserIdCause"
+                    }
+                }
+                steps {
+                    script {
+                        checkout scm
+                        pkgList.each { pkg ->
+                            dir(pkg.name) {
+                                checkout([$class: 'GitSCM',
+                                    doGenerateSubmoduleConfigurations: false,
+                                    extensions: [[$class: 'CleanCheckout']],
+                                    branches: [[name: pkg.scmCommit]],
+                                    userRemoteConfigs: [[url: pkg.scmUrl]]])
+                            }
+                        }
+                    }
+                }
+            }
+            stage('Build Source') {
+                when {
+                    beforeOptions true
+                    beforeAgent true
+                    anyOf {
+                        changeset "${env.CHANGESET_DIR}"
+                        triggeredBy 'TimerTrigger'
+                        triggeredBy cause: "UserIdCause"
+                    }
+                }
+                steps {
+                    script {
+                        pkgList.each { pkg ->
+                            dir(pkg.name) {
+                                sh pkg.buildCmd
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        post {
+            cleanup {
+                deleteDir()
+            }
+            success {
+                script {
+                    if (isCustomBuild()) {
+                        // archive *.deb artifact on custom builds, deploy to repo otherwise
+                        archiveArtifacts artifacts: '**/*.deb', allowEmptyArchive: true
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/vars/setDescription.groovy b/vars/setDescription.groovy
index a503bc28..683dc20c 100644
--- a/vars/setDescription.groovy
+++ b/vars/setDescription.groovy
@@ -14,12 +14,16 @@
 // 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() {
+def call(text = null) {
     def item = Jenkins.instance.getItemByFullName(env.JOB_NAME)
 
     // build up the main description text
     def description = ""
-    description += "<h2>VyOS individual package build: " + getGitRepoName().replace('.git', '') + "</h2>"
+    if (text) {
+        description += "<h2>VyOS package build: " + text + "</h2>"
+    } else {
+        description += "<h2>VyOS package build: " + getGitRepoName().replace('.git', '') + "</h2>"
+    }
 
     if (isCustomBuild()) {
         description += "<p style='border: 3px dashed red; width: 50%;'>"