Build docker images before running integration tests.

Author: Gerrit91

.github/workflows/integration.yaml

@@ -12,30 +12,11 @@ env:
   REGISTRY: ghcr.io
 
 jobs:
-  test:
-    name: Run tests
-    runs-on: self-hosted
-
-    strategy:
-      matrix:
-        flavors:
-          - name: cumulus
-          - name: sonic
-          - name: gardener
+  build:
+    name: Build Docker images
+    runs-on: ubuntu-latest
 
     steps:
-    - name: Gain back workspace permissions # https://github.com/actions/checkout/issues/211
-      run: |
-        [ -d "${GITHUB_WORKSPACE}" ] && sudo chown -R $USER:$USER ${GITHUB_WORKSPACE}
-
-    - name: Setup Containerlab
-      run: |
-        bash -c "$(curl -sL https://get.containerlab.dev)"
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        # set if required:
-        # DESIRED_VERSION: v0.59.0
-
     - name: Log in to the container registry
       uses: docker/login-action@v3
       with:
@@ -71,7 +52,42 @@ jobs:
         tags: ${{ env.MINI_LAB_SONIC_IMAGE }}
         cache-from: type=registry,ref=${{ env.MINI_LAB_SONIC_IMAGE }}
         cache-to: type=inline
-      if: ${{ matrix.flavors.name == 'sonic' }}
+
+  test:
+    name: Run tests
+    runs-on: self-hosted
+    needs:
+      - build
+
+    strategy:
+      matrix:
+        flavors:
+          - name: cumulus
+          - name: sonic
+          - name: gardener
+
+    steps:
+    - name: Gain back workspace permissions # https://github.com/actions/checkout/issues/211
+      run: |
+        [ -d "${GITHUB_WORKSPACE}" ] && sudo chown -R $USER:$USER ${GITHUB_WORKSPACE}
+
+    - name: Setup Containerlab
+      run: |
+        bash -c "$(curl -sL https://get.containerlab.dev)"
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        # set if required:
+        # DESIRED_VERSION: v0.59.0
+
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Make tag
+      run: |
+        IMAGE_TAG=$([ "${GITHUB_EVENT_NAME}" == 'pull_request' ] && echo ${GITHUB_HEAD_REF##*/} || echo "latest")
+
+        echo "MINI_LAB_VM_IMAGE=ghcr.io/metal-stack/mini-lab-vms:${IMAGE_TAG}" >> $GITHUB_ENV
+        echo "MINI_LAB_SONIC_IMAGE=ghcr.io/metal-stack/mini-lab-sonic:${IMAGE_TAG}" >> $GITHUB_ENV
 
     - name: Run integration tests
       shell: bash

.gitignore

@@ -1,5 +1,6 @@
 .env
 .idea
+.vscode
 .kubeconfig
 **/*.pyc
 clab-mini-lab