Makefile: add a rule to run e2e tests

We add a rule to fetch ginkgo, and another one to run the e2e tests.

Signed-off-by: Federico Paolinelli <[email protected]>

Makefile

@@ -115,6 +115,7 @@ KIND ?= $(LOCALBIN)/kind
 KUBECTL ?= $(LOCALBIN)/kubectl
 KUSTOMIZE ?= $(LOCALBIN)/kustomize
 CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen
+GINKGO ?= $(LOCALBIN)/ginkgo
 ENVTEST ?= $(LOCALBIN)/setup-envtest
 KUBECONFIG_PATH ?= $(LOCALBIN)/kubeconfig
 export KUBECONFIG=$(KUBECONFIG_PATH)
@@ -123,6 +124,7 @@ export KUBECONFIG=$(KUBECONFIG_PATH)
 KUSTOMIZE_VERSION ?= v5.0.0
 CONTROLLER_TOOLS_VERSION ?= v0.11.3
 KUBECTL_VERSION ?= v1.27.0
+GINKGO_VERSION ?= v2.11.0
 KIND_VERSION ?= v0.19.0
 KIND_CLUSTER_NAME ?= frr-k8s
 
@@ -179,6 +181,17 @@ envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
 $(ENVTEST): $(LOCALBIN)
 	test -s $(LOCALBIN)/setup-envtest || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
 
+.PHONY: ginkgo
+ginkgo: $(GINKGO) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
+$(GINKGO): $(LOCALBIN)
+	test -s $(LOCALBIN)/ginkgo && $(LOCALBIN)/ginkgo version | grep -q $(GINKGO_VERSION) || \
+	GOBIN=$(LOCALBIN) go install github.com/onsi/ginkgo/v2/ginkgo@$(GINKGO_VERSION)
+
+.PHONY: e2etest
+e2etest: ginkgo
+	$(GINKGO) -v $(GINKGO_ARGS) ./e2etests
+
+
 .PHONY: kind-cluster
 kind-cluster: kind
 	KIND_BIN=$(LOCALBIN)/kind hack/kind.sh