Makefile

# Get the currently used Go's install path (in GOPATH/bin, unless GOBIN is set).
ifeq (,$(shell go env GOBIN))
GOBIN=$(shell go env GOPATH)/bin
else
GOBIN=$(shell go env GOBIN)
endif

crds: controller-gen
	$(CONTROLLER_GEN) crd:trivialVersions=true rbac:roleName=manager-role webhook output:stdout paths="./..."

deep-copy: controller-gen
	$(CONTROLLER_GEN) object paths="./..."

controller-gen:
ifeq (, $(shell which controller-gen))
	@{ \
	set -e ;\
	CONTROLLER_GEN_TMP_DIR=$$(mktemp -d) ;\
	cd $$CONTROLLER_GEN_TMP_DIR ;\
	go mod init tmp ;\
	go get sigs.k8s.io/controller-tools/cmd/controller-gen@v0.2.5 ;\
	rm -rf $$CONTROLLER_GEN_TMP_DIR ;\
	}
CONTROLLER_GEN=$(GOBIN)/controller-gen
else
CONTROLLER_GEN=$(shell which controller-gen)
endif