tests/e2e: allow overriding helper image tag for e2e tests to avoid building

Makefile

@@ -49,6 +49,7 @@ E2E_LOG_LEVEL ?= WARN
 E2E_SKIP ?=
 E2E_EXTRA ?=
 E2E_RUNNER_START_TIMEOUT ?= 10
+E2E_HELPER_IMAGE_TAG ?=
 
 ########## Go Build Options ##########
 # Build targets
@@ -168,7 +169,7 @@ test:
 
 e2e: build-docker-dind
 	@echo "Running e2e tests in k3d:$(K3D_IMAGE_TAG)"
-	LOG_LEVEL="$(E2E_LOG_LEVEL)" E2E_SKIP="$(E2E_SKIP)" E2E_EXTRA="$(E2E_EXTRA)" E2E_RUNNER_START_TIMEOUT=$(E2E_RUNNER_START_TIMEOUT) tests/dind.sh "${K3D_IMAGE_TAG}-dind"
+	LOG_LEVEL="$(E2E_LOG_LEVEL)" E2E_SKIP="$(E2E_SKIP)" E2E_EXTRA="$(E2E_EXTRA)" E2E_RUNNER_START_TIMEOUT=$(E2E_RUNNER_START_TIMEOUT) E2E_HELPER_IMAGE_TAG="$(E2E_HELPER_IMAGE_TAG)" tests/dind.sh "${K3D_IMAGE_TAG}-dind"
 
 ci-tests: fmt check e2e
 

tests/dind.sh

@@ -46,7 +46,13 @@ until docker inspect "$k3de2e" | jq ".[0].State.Running" && docker logs "$k3de2e
 done
 
 # build helper container images
-docker exec --workdir /src "$k3de2e" make build-helper-images
+if [ -z "$E2E_HELPER_IMAGE_TAG" ]; then
+  docker exec --workdir /src "$k3de2e" make build-helper-images
+  # execute tests
+  docker exec "$k3de2e" /src/tests/runner.sh
+else
+  # execute tests
+  docker exec -e "K3D_HELPER_IMAGE_TAG=$E2E_HELPER_IMAGE_TAG" "$k3de2e" /src/tests/runner.sh
+fi
+
 
-# execute tests
-docker exec "$k3de2e" /src/tests/runner.sh