Switch to the remotely-loaded Debian packaging pipeline

Hopefully, this saves us from having to keep `Jenkinsfile` up-to-date
in every branch of every packaging repository.

Gbp-Dch: Ignore
(cherry picked from commit b2a42272)

Jenkinsfile

-def srcdir = 'package_source'
-def vendor = env.BRANCH_NAME.split('/')[1]
-def distribution = env.BRANCH_NAME.split('/')[2]
-
-stage('Build packages') {
-  parallel(
-  amd64: {
-    node('debian') {
-      def architecture = 'amd64'
-      deleteSourceDirectory(srcdir)
-      echo("Distribution from branch name: ${distribution}")
-      checkoutAndBuildPackageInDirectory(srcdir, distribution, architecture, '')
-      sh 'ls -la'
-      testPackage(vendor, distribution, architecture)
-      uploadPackage(architecture)
-      archiveArtifacts artifacts: "*.dsc,*.debian.tar.?z,*.orig.tar.?z,*_${architecture}.build,*_${architecture}.changes,*_${architecture}.deb,*_all.deb", excludes: null, fingerprint: true
-    }
-  },
-  i386: {
-    node('debian') {
-      def architecture = 'i386'
-      deleteSourceDirectory(srcdir)
-      echo("Distribution from branch name: ${distribution}")
-      checkoutAndBuildPackageInDirectory(srcdir, distribution, architecture, '--binary-arch')
-      sh 'ls -la'
-      testPackage(vendor, distribution, architecture)
-      uploadPackage(architecture)
-      archiveArtifacts artifacts: "*_${architecture}.build,*_${architecture}.changes,*_${architecture}.deb", excludes: null, fingerprint: true
-    }
-  })
-}
-
-def deleteSourceDirectory(srcdir) {
-  step([$class: 'WsCleanup', patterns: [[pattern: srcdir, type: 'EXCLUDE']]])
-}
-
-def checkoutAndBuildPackageInDirectory(srcdir, distribution, architecture, gitPbuilderOptions) {
-  def gbpIgnore = '--git-ignore-branch'
-  dir(srcdir) {
-    checkout scm
-    if (updateChangelog()) {
-      gbpIgnore += ' --git-ignore-new'
-    }
-    sh "gbp buildpackage ${gbpIgnore} --git-pbuilder --git-dist=${distribution} --git-arch=${architecture} --git-pbuilder-autoconf --git-pbuilder-options=\"--configfile /data/aai/etc/pbuilder/pbuilderrc.${distribution} ${gitPbuilderOptions}\" -j -sa"
-  }
-}
-
-def updateChangelog() {
-  def changesDetected = sh(returnStatus: true, script: 'gbp dch --ignore-branch --auto | grep "No changes detected"') == 1
-  sh 'git checkout -- debian/changelog'
-  if (changesDetected) {
-    sh "gbp dch --ignore-branch --auto --snapshot --snapshot-number=${env.BUILD_NUMBER}"
-  }
-  changesDetected
-}
-
-def testPackage(vendor, distribution, architecture) {
-  sh "sudo piuparts -b /var/cache/pbuilder/base-${distribution}-${architecture}.tgz --keep-sources-list --distribution=${distribution} --arch=${architecture} --bindmount=/data/aai/debarchiver -I 'data/aai/debarchiver/.*' -D ${vendor} *_${architecture}.changes"
-}
-
-def uploadPackage(architecture) {
-  sh "sudo -g aai dput --config /data/aai/etc/dput.cf *_${architecture}.changes"
+//Remotely load the Debian packaging pipeline
+@Library('debian-jenkins-pipeline') _
+node {
+  checkout([$class: 'GitSCM', branches: [[name: '*/master']], userRemoteConfigs: [[credentialsId: '6b7322de-8e55-4108-b362-c8261ac4d310', url: 'git@gitlab.switch.ch:etienne.dysli-metref/debian-jenkins-pipeline.git']]])
+  load 'DebianPackagingPipeline.groovy'
 }