Add github action

.github/workflows/osimages.yaml

@@ -0,0 +1,52 @@
+name: E2E node images
+
+on:
+  pull_request:
+    branches: [main]
+    paths-ignore:
+    - '**/*.md'
+    - 'docs/**'
+    - '.gitignore'
+    - 'hack/*.sh'
+    - 'LICENSE'
+    - 'SECURITY_CONTACTS'
+    - 'OWNERS'
+
+permissions: {}
+
+jobs:
+  build:
+    name: Build and upload node images
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+
+    steps:
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      with:
+        repository: kubernetes-sigs/image-builder
+        path: image-builder
+        ref: v0.1.22
+
+    - name: Patch image-builder Dockerfile with root user
+      run: git apply {{ github.workspace }}/cluster-api-provider-openstack/osimages/image-builder.patch
+      working-directory: "{{ github.workspace }}/image-builder"
+
+    - name: Build image-builder image with root user
+      run:
+      working-directory: "{{ github.workspace }}/image-builder"
+
+    - name: Build images
+      env:
+        OSIMAGE_BUILDER: gcr.io/scl-image-builder/cluster-node-image-builder-amd64:dev
+      run: make -C osimages -j2 ACCELERATOR=kvm \
+        osimage-flatcar-1.27.2 \
+        osimage-flatcar-1.28.2 \
+        osimage-ubuntu-2204-1.28.2 \
+        osimage-ubuntu-2204-1.27.2
+
+    - name: Upload images
+      run: make -C osimages osimage-upload

osimages/Makefile

@@ -67,7 +67,7 @@ osimage-%: FORCE
 .PHONY: FORCE
 FORCE:
 
-.PHONY: osimage-upload:
+.PHONY: osimage-upload
 osimage-upload:
 	ls $(OSIMAGE_DIR)
 	gsutil cp $(OSIMAGE_DIR)/* gs://$(STAGING_BUCKET)/test

osimages/image-builder.patch

@@ -0,0 +1,31 @@
+index 9514c03ae..372b8dfc2 100644
+--- a/images/capi/Dockerfile
++++ b/images/capi/Dockerfile
+@@ -38,18 +38,15 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
+ ARG ARCH
+ ARG PASSED_IB_VERSION
+
+-USER imagebuilder
+-WORKDIR /home/imagebuilder/
+-
+-COPY --chown=imagebuilder:imagebuilder ansible ansible/
+-COPY --chown=imagebuilder:imagebuilder ansible.cfg ansible.cfg
+-COPY --chown=imagebuilder:imagebuilder cloudinit cloudinit/
+-COPY --chown=imagebuilder:imagebuilder hack hack/
+-COPY --chown=imagebuilder:imagebuilder packer packer/
+-COPY --chown=imagebuilder:imagebuilder Makefile Makefile
+-COPY --chown=imagebuilder:imagebuilder azure_targets.sh azure_targets.sh
+-
+-ENV PATH="/home/imagebuilder/.local/bin:${PATH}"
++COPY ansible ansible/
++COPY ansible.cfg ansible.cfg
++COPY cloudinit cloudinit/
++COPY hack hack/
++COPY packer packer/
++COPY Makefile Makefile
++COPY azure_targets.sh azure_targets.sh
++
++ENV PATH="/root/.local/bin:${PATH}"
+ ENV PACKER_ARGS ''
+ ENV PACKER_VAR_FILES ''
+ ENV IB_VERSION "${PASSED_IB_VERSION}"