Makefile

GO_MODULE := $(shell git config --get remote.origin.url | grep -o 'github\.com[:/][^.]*' | tr ':' '/')
CMD_NAME := $(shell basename ${GO_MODULE})
DEFAULT_APP_PORT ?= 8080
GIT_COMMIT := $(shell git rev-parse HEAD)
ENVTEST_K8S_VERSION = 1.21.4 # matches latest binary version available

RUN ?= .*
PKG ?= ./...

.PHONY: test
test: tidy ## Run tests in local environment
	golangci-lint run --timeout=5m $(PKG)
	go test -cover -short -run=$(RUN) $(PKG)

.PHONY: integration
integration: tidy envtest ## Run integration tests with envtest
	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --arch amd64 -p path)" go test -cover -run=$(RUN) $(PKG)

.PHONY: dev
dev: tidy
	mkdir -p bin
	go build -o bin/${CMD_NAME} 

.PHONY:
tidy:
	go mod tidy
	go mod verify

.PHONY: docker-build-test
docker-build-test: ## Build local development docker image with cached go modules, builds, and tests
	@docker build -f build/Dockerfile-test -t $(CMD_NAME)-test:latest .

.PHONY: docker-test
docker-test: docker-build-test ## Run tests using local development docker image
	@docker run -v $(shell pwd):/go/src/$(GO_MODULE):delegated $(CMD_NAME)-test make test RUN=$(RUN) PKG=$(PKG)

.PHONY: docker-snyk
docker-snyk: ## Run local snyk scan, SNYK_TOKEN environment variable must be set
	@docker run --rm -e SNYK_TOKEN -w /go/src/$(GO_MODULE) -v $(shell pwd):/go/src/$(GO_MODULE):delegated snyk/snyk:golang

.PHONY: docker
docker:
	@docker build --build-arg GIT_COMMIT=${GIT_COMMIT} -t $(CMD_NAME):latest .

.PHONY: docker-run
docker-run: docker ## Build and run the application in a local docker container
	@docker run -p ${DEFAULT_APP_PORT}:${DEFAULT_APP_PORT} $(CMD_NAME):latest

.PHONY: help
help:
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'


## Location to install dependencies to
LOCALBIN ?= $(shell pwd)/bin
$(LOCALBIN):
	mkdir -p $(LOCALBIN)

ENVTEST ?= $(LOCALBIN)/setup-envtest

.PHONY: envtest
envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
$(ENVTEST): $(LOCALBIN)
	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest