🌱 Dependabot: add github action to fix modules on PRs and add test to configuration

.github/dependabot.yml

@@ -11,27 +11,49 @@ updates:
       prefix: ":seedling:"
   labels:
     - "ok-to-test"
-
-# Go
+# Main Go module
 - package-ecosystem: "gomod"
   directory: "/"
   schedule:
     interval: "weekly"
     day: "monday"
-  ## group all dependencies with a k8s.io prefix into a single PR where possible
+  ## group all dependencies with a k8s.io prefix into a single PR.
   groups:
     kubernetes:
       patterns: [ "k8s.io/*" ]
   ignore:
-  # Ignore k8s and its transitives modules as they are upgraded manually
-  # together with controller-runtime.
+  # Ignore controller-runtime as its upgraded manually.
+  - dependency-name: "sigs.k8s.io/controller-runtime"
+    update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
+  # Ignore k8s and its transitives modules as they are upgraded manually together with controller-runtime.
   - dependency-name: "k8s.io/*"
     update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
+  - dependency-name: "sigs.k8s.io/cluster-api/test"
+    update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
+  commit-message:
+    prefix: ":seedling:"
+  labels:
+    - "ok-to-test"
+
+# Test Go module
+- package-ecosystem: "gomod"
+  directory: "/test"
+  schedule:
+    interval: "weekly"
+    day: "tuesday"
+  ## group all dependencies with a k8s.io prefix into a single PR.
+  groups:
+    kubernetes:
+      patterns: [ "k8s.io/*" ]
+  ignore:
   # Ignore controller-runtime as its upgraded manually.
   - dependency-name: "sigs.k8s.io/controller-runtime"
     update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
+  # Ignore k8s and its transitives modules as they are upgraded manually together with controller-runtime.
+  - dependency-name: "k8s.io/*"
+    update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
   - dependency-name: "sigs.k8s.io/cluster-api/test"
-    update-types: ["version-update:semver-major", "version-update:semver-minor"]
+    update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
   commit-message:
     prefix: ":seedling:"
   labels:

.github/workflows/pr-dependabot.yaml

@@ -0,0 +1,49 @@
+name: PR dependabot code generation and go modules fix
+
+# This action runs on other PRs opened by dependabot. It updates modules and generated code on PRs opened by dependabot.
+on:
+  pull_request:
+    branches:
+      - dependabot/**
+  push:
+    branches:
+      - dependabot/**
+  workflow_dispatch:
+
+permissions:
+  contents: write # Allow to update the PR.
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # tag=v4.1.1
+    - name: Calculate go version
+      id: vars
+      run: echo "go_version=$(make go-version)" >> $GITHUB_OUTPUT
+    - name: Set up Go
+      uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # tag=v5.0.0
+      with:
+        go-version: ${{ steps.vars.outputs.go_version }}
+    - uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # tag=v3.3.2
+      name: Restore go cache
+      with:
+        path: |
+          ~/.cache/go-build
+          ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: |
+          ${{ runner.os }}-go-
+    - name: Update all modules
+      run: make generate-modules
+    - name: Update generated code
+      run: make generate
+    - uses: EndBug/add-and-commit@1bad3abcf0d6ec49a5857d124b0bfb52dc7bb081 # tag=v9.1.3
+      name: Commit changes
+      with:
+        author_name: dependabot[bot]
+        author_email: 49699333+dependabot[bot]@users.noreply.github.com
+        default_author: github_actor
+        message: 'Update generated code'