Build multiarch thick images

.github/workflows/image-build.yml

@@ -35,8 +35,8 @@ jobs:
           sbom: false
           provenance: false
 
-  build-amd64-thick:
-    name: Image build/amd64 thick plugin
+  build-thick:
+    name: Image thick plugin
     runs-on: ubuntu-latest
     steps:
       - name: Check out code into the Go module directory
@@ -50,8 +50,11 @@ jobs:
         with:
           context: .
           push: false
-          tags: ghcr.io/${{ github.repository }}:latest-amd64-thick
+          tags: ghcr.io/${{ github.repository }}:latest-thick
           file: images/Dockerfile.thick
+          platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v8,linux/ppc64le,linux/s390x
+          sbom: false
+          provenance: false
 
   build-origin:
     name: Image build/origin

.github/workflows/image-push-master.yml

@@ -1,13 +1,13 @@
 name: Image push for master
-on: 
+on:
   push:
     branches:
       - master
 env:
   image-push-owner: 'k8snetworkplumbingwg'
 jobs:
-  push-thick-amd64:
-    name: Image push thick image/amd64
+  push-thick:
+    name: Image push thick image
     runs-on: ubuntu-latest
     steps:
       - name: Check out code into the Go module directory
@@ -34,7 +34,9 @@ jobs:
             ghcr.io/${{ github.repository }}:latest-thick
             ghcr.io/${{ github.repository }}:snapshot-thick
           file: images/Dockerfile.thick
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v8,linux/ppc64le,linux/s390x
+          sbom: false
+          provenance: false
 
   push-thin:
     name: Image push thin image

.github/workflows/image-push-release.yml

@@ -1,13 +1,13 @@
 name: Image push release
-on: 
+on:
   push:
     tags:
       - v*
 env:
   image-push-owner: 'k8snetworkplumbingwg'
 jobs:
-  push-thick-amd64:
-    name: Image push thick image/amd64
+  push-thick:
+    name: Image push thick image
     runs-on: ubuntu-latest
     steps:
       - name: Check out code into the Go module directory
@@ -42,7 +42,9 @@ jobs:
             ghcr.io/${{ github.repository }}:stable-thick
             ${{ steps.docker_meta.outputs.tags }}-thick
           file: images/Dockerfile.thick
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v8,linux/ppc64le,linux/s390x
+          sbom: false
+          provenance: false
 
   push-thin:
     name: Image push thin image/amd64

docs/development.md

@@ -59,3 +59,7 @@ The following are the best practices for multus logging:
 ## Multus release schedule
 
 On the first maintainer's meeting, twice yearly, after January 1st and July 1st, if a new version has not been tagged, a new version will tagged.
+
+## Multi-arch builds
+
+Multus is currently built for a number of architectures, however, our testing and validation is only performed against x86 architectures. Our x86 architecture has end to end testing, however, for other architectures, only supported via best effort community contributions.