From 9a05655bc832dec1ac5d0cb000866c9f25dafe67 Mon Sep 17 00:00:00 2001
From: simon <130985998+SimonStiil@users.noreply.github.com>
Date: Sat, 27 Apr 2024 12:20:30 +0200
Subject: [PATCH] adding arm build flow

---
 Jenkinsfile      | 77 ++++++++++++++++++++++++++++++++++++------------
 dockerfilegen.sh |  2 +-
 2 files changed, 59 insertions(+), 20 deletions(-)

diff --git a/Jenkinsfile b/Jenkinsfile
index 84db3e5..3a54a63 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -17,6 +17,15 @@ podTemplate(yaml: '''
         volumeMounts:
         - name: kaniko-secret
           mountPath: /kaniko/.docker
+      - name: manifest-tool
+        image: mplatform/manifest-tool:alpine-v2.1.6
+        command:
+        - sleep
+        args: 
+        - 99d
+        volumeMounts:
+        - name: kaniko-secret
+          mountPath: /root/.docker
       - name: golang
         image: golang:1.22.2-alpine3.19
         command:
@@ -24,8 +33,6 @@ podTemplate(yaml: '''
         args: 
         - 99d
       restartPolicy: Never
-      nodeSelector: 
-        kubernetes.io/arch: amd64
       volumes:
       - name: kaniko-secret
         secret:
@@ -37,46 +44,78 @@ podTemplate(yaml: '''
   node(POD_LABEL) {
     TreeMap scmData
     String gitCommitMessage
+    Map properties
     stage('checkout SCM') {  
       scmData = checkout scm
       gitCommitMessage = sh(returnStdout: true, script: "git log --format=%B -n 1 ${scmData.GIT_COMMIT}").trim()
       gitMap = scmGetOrgRepo scmData.GIT_URL
       githubWebhookManager gitMap: gitMap, webhookTokenId: 'jenkins-webhook-repo-cleanup'
+      properties = readProperties file: 'package.env'
     }
     container('golang') {
       stage('UnitTests') {
-        withEnv(['CGO_ENABLED=0', 'GOOS=linux', 'GOARCH=amd64']) {
+        withEnv(['CGO_ENABLED=0']) {
           sh '''
             go test .
           '''
         }
       }
-      stage('Build Application') {
-        withEnv(['CGO_ENABLED=0', 'GOOS=linux', 'GOARCH=amd64']) {
+      stage('Build Application AMD64') {
+        withEnv(['CGO_ENABLED=0', 'GOOS=linux', 'GOARCH=amd64', "PACKAGE_CONTAINER_APPLICATION=${properties.PACKAGE_CONTAINER_APPLICATION}"]) {
           sh '''
-            go build -ldflags="-w -s" .
+            go build -ldflags="-w -s" -o $PACKAGE_CONTAINER_APPLICATION-amd64 .
           '''
         }
       }
-      stage('Generate Dockerfile') {
-        sh '''
-          ./dockerfilegen.sh
-        '''
+      stage('Build Application ARM64') {
+        withEnv(['CGO_ENABLED=0', 'GOOS=linux', 'GOARCH=arm64', "PACKAGE_CONTAINER_APPLICATION=${properties.PACKAGE_CONTAINER_APPLICATION}"]) {
+          sh '''
+            go build -ldflags="-w -s" -o $PACKAGE_CONTAINER_APPLICATION-arm64 .
+          '''
+        }
       }
     }
     if ( !gitCommitMessage.startsWith("renovate/") || ! gitCommitMessage.startsWith("WIP") ) {
-      stage('Build Docker Image') {
-        container('kaniko') {
-          def properties = readProperties file: 'package.env'
+      container('golang') {
+        stage('Generate Dockerfile AMD64') {
+          sh '''
+            ./dockerfilegen.sh amd64
+          '''
+        }
+      }
+      container('kaniko') {
+        stage('Build Docker Image AMD64') {
           withEnv(["GIT_COMMIT=${scmData.GIT_COMMIT}", "PACKAGE_NAME=${properties.PACKAGE_NAME}", "PACKAGE_DESTINATION=${properties.PACKAGE_DESTINATION}", "PACKAGE_CONTAINER_SOURCE=${properties.PACKAGE_CONTAINER_SOURCE}", "GIT_BRANCH=${BRANCH_NAME}"]) {
-            if (isMainBranch()){
-              sh '''
-                /kaniko/executor --force --context `pwd` --log-format text --destination $PACKAGE_DESTINATION/$PACKAGE_NAME:$BRANCH_NAME --destination $PACKAGE_DESTINATION/$PACKAGE_NAME:latest --label org.opencontainers.image.description="Build based on $PACKAGE_CONTAINER_SOURCE/commit/$GIT_COMMIT" --label org.opencontainers.image.revision=$GIT_COMMIT --label org.opencontainers.image.version=$GIT_BRANCH
+            sh '''
+                /kaniko/executor --force --context `pwd` --log-format text --destination $PACKAGE_DESTINATION/$PACKAGE_NAME:$BRANCH_NAME-amd64 --label org.opencontainers.image.description="Build based on $PACKAGE_CONTAINER_SOURCE/commit/$GIT_COMMIT" --label org.opencontainers.image.revision=$GIT_COMMIT --label org.opencontainers.image.version=$GIT_BRANCH
               '''
-            } else {
-              sh '''
-                /kaniko/executor --force --context `pwd` --log-format text --destination $PACKAGE_DESTINATION/$PACKAGE_NAME:$BRANCH_NAME --label org.opencontainers.image.description="Build based on $PACKAGE_CONTAINER_SOURCE/commit/$GIT_COMMIT" --label org.opencontainers.image.revision=$GIT_COMMIT --label org.opencontainers.image.version=$GIT_BRANCH
+          }
+        }
+      }
+      container('golang') {
+        stage('Generate Dockerfile ARM64') {
+          sh '''
+            ./dockerfilegen.sh arm64
+          '''
+        }
+      }
+      container('kaniko') {
+        stage('Build Docker Image ARM64') {
+          withEnv(["GIT_COMMIT=${scmData.GIT_COMMIT}", "PACKAGE_NAME=${properties.PACKAGE_NAME}", "PACKAGE_DESTINATION=${properties.PACKAGE_DESTINATION}", "PACKAGE_CONTAINER_SOURCE=${properties.PACKAGE_CONTAINER_SOURCE}", "GIT_BRANCH=${BRANCH_NAME}"]) {
+            sh '''
+                /kaniko/executor --force --context `pwd` --log-format text --custom-platform=linux/arm64 --destination $PACKAGE_DESTINATION/$PACKAGE_NAME:$BRANCH_NAME-arm64 --label org.opencontainers.image.description="Build based on $PACKAGE_CONTAINER_SOURCE/commit/$GIT_COMMIT" --label org.opencontainers.image.revision=$GIT_COMMIT --label org.opencontainers.image.version=$GIT_BRANCH
               '''
+          }
+        }
+      }
+      container('manifest-tool') {
+        stage('Build combined manifest') {
+          sh 'echo $HOME && pwd && whoami'
+          withEnv(["GIT_COMMIT=${scmData.GIT_COMMIT}", "PACKAGE_NAME=${properties.PACKAGE_NAME}", "PACKAGE_DESTINATION=${properties.PACKAGE_DESTINATION}", "PACKAGE_CONTAINER_SOURCE=${properties.PACKAGE_CONTAINER_SOURCE}", "GIT_BRANCH=${BRANCH_NAME}"]) {
+            if (isMainBranch()){
+              sh 'manifest-tool push from-args --platforms linux/amd64,linux/arm64 --template $PACKAGE_DESTINATION/$PACKAGE_NAME:$BRANCH_NAME-ARCH --tags latest --target $PACKAGE_DESTINATION/$PACKAGE_NAME:$BRANCH_NAME'
+            } else {
+              sh 'manifest-tool push from-args --platforms linux/amd64,linux/arm64 --template $PACKAGE_DESTINATION/$PACKAGE_NAME:$BRANCH_NAME-ARCH --target $PACKAGE_DESTINATION/$PACKAGE_NAME:$BRANCH_NAME'
             }
           }
         }
diff --git a/dockerfilegen.sh b/dockerfilegen.sh
index a2d18c4..1ba56cf 100755
--- a/dockerfilegen.sh
+++ b/dockerfilegen.sh
@@ -1,7 +1,7 @@
 source package.env
 echo -n "FROM ${PACKAGE_CONTAINER_BASE}
 WORKDIR ${PACKAGE_CONTAINER_WORKDIR}
-COPY ${PACKAGE_CONTAINER_APPLICATION} ${PACKAGE_CONTAINER_DESTINATION}
+COPY ${PACKAGE_CONTAINER_APPLICATION}-${1} ${PACKAGE_CONTAINER_DESTINATION}
 COPY keysindex.html ${PACKAGE_CONTAINER_WORKDIR}
 COPY namespacesindex.html ${PACKAGE_CONTAINER_WORKDIR}
 COPY certificates /