add Dockerfile linter (#21)

Author: LasseHels

.github/workflows/kubeconform.yml

@@ -2,8 +2,8 @@ on:
   workflow_call:
 
 jobs:
-  lint:
-    name: Lint
+  rust:
+    name: Rust
     permissions:
       contents: read
     runs-on: ubuntu-22.04
@@ -19,3 +19,30 @@ jobs:
         uses: Swatinem/rust-cache@v2.7.5
       - name: Lint
         run: make lint
+  dockerfile:
+    name: Dockerfile
+    permissions:
+      contents: read
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Lint Dockerfile
+        run: docker run --rm -i hadolint/hadolint:v2.12.1-beta-alpine < Dockerfile
+  kubernetes:
+    name: Kubernetes
+    permissions:
+      contents: read
+    runs-on: ubuntu-22.04
+    steps:
+      # Deliberately set up Kubeconform before checking out the repository, as we might otherwise get name collisions
+      # between the kubeconform directory and kubeconform binary (which have the same name).
+      - name: Setup Kubeconform
+        run: |
+          curl -L -O https://github.com/yannh/kubeconform/releases/download/v0.6.7/kubeconform-linux-amd64.tar.gz
+          tar -xvf kubeconform-linux-amd64.tar.gz
+          mv kubeconform /usr/local/bin
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Run Kubeconform
+        run: make kubeconform

.github/workflows/lint.yml

@@ -11,17 +11,11 @@ jobs:
   lint:
     name: Lint
     uses: ./.github/workflows/lint.yml
-  end-to-end:
-    name: End-to-end
-    uses: ./.github/workflows/test-end-to-end.yml
-  kubeconform:
-    name: Kubeconform
-    uses: ./.github/workflows/kubeconform.yml
   publish:
     name: Publish
     uses: ./.github/workflows/publish.yml
     secrets: inherit
-    needs: [test, lint, end-to-end, kubeconform]
+    needs: [test, lint]
     with:
       version: '${{ github.sha }}'
       platforms: 'linux/amd64,linux/arm64'

.github/workflows/main-push.yml

@@ -1,4 +1,4 @@
-name: Pull Requests
+name: Pull Request
 
 on:
   pull_request:
@@ -10,9 +10,3 @@ jobs:
   lint:
     name: Lint
     uses: ./.github/workflows/lint.yml
-  end-to-end:
-    name: End-to-end
-    uses: ./.github/workflows/test-end-to-end.yml
-  kubeconform:
-    name: Kubeconform
-    uses: ./.github/workflows/kubeconform.yml

.github/workflows/pr-push.yml

@@ -12,17 +12,11 @@ jobs:
   lint:
     name: Lint
     uses: ./.github/workflows/lint.yml
-  end-to-end:
-    name: End-to-end
-    uses: ./.github/workflows/test-end-to-end.yml
-  kubeconform:
-    name: Kubeconform
-    uses: ./.github/workflows/kubeconform.yml
   publish:
     name: Publish
     uses: ./.github/workflows/publish.yml
     secrets: inherit
-    needs: [test, lint, end-to-end, kubeconform]
+    needs: [test, lint]
     with:
       # https://github.com/orgs/community/discussions/26686#discussioncomment-3396593.
       version: '${{ github.ref_name }}'

.github/workflows/tag-push.yml

@@ -2,8 +2,8 @@ on:
   workflow_call:
 
 jobs:
-  test:
-    name: Test
+  unit:
+    name: Unit
     permissions:
       contents: read
     runs-on: ubuntu-22.04
@@ -18,3 +18,24 @@ jobs:
         uses: Swatinem/rust-cache@v2.7.5
       - name: Test
         run: make test
+  end-to-end:
+    name: End-to-end
+    strategy:
+      matrix:
+        kubernetes-version: [ 'v1.29.7', 'v1.30.6', 'v1.31.0' ]
+    permissions:
+      contents: read
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Docker
+        uses: docker/setup-buildx-action@v3
+      - name: Install Minikube
+        uses: medyagh/setup-minikube@v0.0.18
+        with:
+          start: false
+      - name: Setup for test
+        run: END_TO_END_TEST_KUBERNETES_VERSION=${{ matrix.kubernetes-version }} make setup
+      - name: Run end-to-end tests
+        run: make test-end-to-end