Work around lack of kubebuilder-tools for darwin/arm64

Author: mboersma

Makefile

@@ -435,7 +435,11 @@ e2e-framework: ## Builds the CAPI e2e framework
 
 ARTIFACTS ?= ${ROOT_DIR}/_artifacts
 
-KUBEBUILDER_ASSETS ?= $(shell $(SETUP_ENVTEST) use --use-env -p path $(KUBEBUILDER_ENVTEST_KUBERNETES_VERSION))
+ifeq ($(shell go env GOOS),darwin) # Use the darwin/amd64 binary until an arm64 version is available
+	KUBEBUILDER_ASSETS ?= $(shell $(SETUP_ENVTEST) use --use-env -p path --arch amd64 $(KUBEBUILDER_ENVTEST_KUBERNETES_VERSION))
+else
+	KUBEBUILDER_ASSETS ?= $(shell $(SETUP_ENVTEST) use --use-env -p path $(KUBEBUILDER_ENVTEST_KUBERNETES_VERSION))
+endif
 
 .PHONY: test
 test: $(SETUP_ENVTEST) ## Run unit and integration tests