fixup artifact handling

.github/workflows/e2e.yaml

@@ -21,41 +21,25 @@ jobs:
           sudo snap install kubectl --classic
       - name: Build provider images
         run: sudo make docker-build-e2e
-      - name: Cleanup space
-        # Github runners are tight on space and will fail if we don't clean up before.
-        run: sudo docker builder prune -f
-      - name: Build images
+      - name: Build k8s-snap image
         run: |
           cd templates/docker
           sudo docker build . -t k8s-snap:dev
-      - name: Cleanup space
-        # Github runners are tight on space and will fail if we don't clean up before.
+      - name: Save provider image
         run: |
-          sudo docker builder prune -f
-          sudo rm -rf /usr/share/dotnet
-          sudo rm -rf /opt/ghc
-          sudo rm -rf "/usr/local/share/boost"
-          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
-      - name: Create docker network
-        run: |
-          sudo docker network create kind --driver=bridge -o com.docker.network.bridge.enable_ip_masquerade=true
-          df -h
-      - name: Space check
-        run: |
-          ls
-          df -h
-          pwd
-      - name: Increase inotify watches
+          sudo docker save -o provider-images.tar ghcr.io/canonical/cluster-api-k8s/controlplane-controller:dev ghcr.io/canonical/cluster-api-k8s/bootstrap-controller:dev
+          sudo chmod 775 provider-images.tar
+      - name: Save k8s-snap image
         run: |
-          # Prevents https://cluster-api.sigs.k8s.io/user/troubleshooting#cluster-api-with-docker----too-many-open-files
-          sudo sysctl fs.inotify.max_user_watches=1048576
-          sudo sysctl fs.inotify.max_user_instances=8192
+          sudo docker save -o k8s-snap-image.tar k8s-snap:dev
+          sudo chmod 775 k8s-snap-image.tar
       - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: e2e-images
           path: |
-            /var/lib/docker
+            provider-images.tar
+            k8s-snap-image.tar
 
   run-e2e-tests:
     name: Run E2E Tests
@@ -67,22 +51,21 @@ jobs:
     steps:
       - name: Check out repo
         uses: actions/checkout@v4
-      - name: Download artifacts
-        uses: actions/download-artifact@v3
-        with:
-          name: e2e-images
-          path: /var/lib/docker
       - name: Install requirements
         run: |
           sudo apt install make
           sudo snap install go --classic
           sudo apt install docker-buildx
           sudo snap install kubectl --classic
-      - name: Load docker images
-        run: |
-          for image in $(ls /var/lib/docker); do
-            sudo docker load -i /var/lib/docker/$image
-          done
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: e2e-images
+          path: .
+      - name: Load provider image
+        run: sudo docker load -i provider-images.tar
+      - name: Load k8s-snap image
+        run: sudo docker load -i k8s-snap-image.tar
       - name: Create docker network
         run: |
           sudo docker network create kind --driver=bridge -o com.docker.network.bridge.enable_ip_masquerade=true