Makefile

PKG=github.com/manifoldco/heighliner
API_VERSIONS=$(sort $(patsubst apis/%/,%,$(dir $(wildcard apis/*/))))

ci: lint cover
.PHONY: ci

#################################################
# Bootstrapping for base golang package deps
#################################################
BOOTSTRAP=\
	github.com/golang/dep/cmd/dep \
	github.com/alecthomas/gometalinter \
	github.com/jteeuwen/go-bindata/go-bindata

$(BOOTSTRAP):
	go get -u $@

bootstrap: $(BOOTSTRAP)
	gometalinter --install

vendor: Gopkg.lock
	dep ensure -v -vendor-only

update-vendor:
	dep ensure -v -update

.PHONY: $(BOOTSTRAP)

#################################################
# Testing and linting
#################################################
LINTERS=\
	gofmt \
	golint \
	gosimple \
	vet \
	misspell \
	ineffassign \
	deadcode
METALINT=gometalinter --tests --disable-all --vendor --deadline=5m -e "zz_.*\.go" \
	 ./... --enable

test: vendor
	CGO_ENABLED=0 go test -v ./...

cover: vendor
	CGO_ENABLED=0 go test -v -coverprofile=coverage.txt -covermode=atomic ./...

cover-html: vendor
	CGO_ENABLED=0 go test -coverprofile cover.out ./...
	go tool cover -html=cover.out -o cover.html
	open cover.html

lint: $(LINTERS)

$(LINTERS): vendor
	$(METALINT) $@

.PHONY: $(LINTERS) test lint

#################################################
# Create generated files
#################################################
GENERATED_FILES=$(API_VERSIONS:%=apis/%/zz_generated.go)

deepcopy-gen:
	go get -u k8s.io/code-generator/cmd/deepcopy-gen

api-versions:
	@echo $(API_VERSIONS)

$(GENERATED_FILES):
	deepcopy-gen -v=5 -h boilerplate.go.txt -i $(PKG)/$(patsubst %/zz_generated.go,%,$@) -O zz_generated

bindata:
	go-bindata -o cmd/heighliner/zz_generated_data.go docs/kube/

generated: $(GENERATED_FILES) bindata

.PHONY: $(GENERATED_FILES)

#################################################
# Building
#################################################
BASE_BRANCH=master
DOCKER_REPOSITORY=arigato
GOOS_OVERRIDE?=
PREFIX?=

GO_BUILD=CGO_ENABLED=0 go build -i
DOCKER_MAKE=GOOS_OVERRIDE='GOOS=linux' PREFIX=build/docker/$1/ make build/docker/$1/bin/$1

CMDs=$(sort $(patsubst cmd/%/,%,$(dir $(wildcard cmd/*/))))
BINS=$(addprefix bin/,$(CMDs))
DOCKER_IMAGES=$(addprefix docker-,$(CMDs))
DOCKER_RELEASES=$(addprefix release-,$(CMDs))

VCS_SHA?=$(shell git rev-parse --verify HEAD)
BUILD_DATE?=$(shell git show -s --date=iso8601-strict --pretty=format:%cd $$VCS_SHA)
VCS_BRANCH?=$(shell git branch | grep \* | cut -f2 -d' ')


RELEASE_VERSION?=$(shell git describe --always --tags --dirty | sed 's/^v//')
ifdef TRAVIS_TAG
	RELEASE_VERSION=$(shell echo $(TRAVIS_TAG) | sed 's/^v//')
endif


RELEASE_NAME?=$(patsubst docker-%,%,$@)
ifdef TRAVIS_PULL_REQUEST_BRANCH
	RELEASE_VERSION=$(TRAVIS_PULL_REQUEST_SHA)
	RELEASE_NAME="$(patsubst docker-%,%,$@)-$(shell echo $(TRAVIS_PULL_REQUEST_BRANCH) | sed "s/[^[:alnum:].-]/-/g")"
	# Override VCS_BRANCH on travis because it uses the FETCH_HEAD
	VCS_BRANCH=$(TRAVIS_PULL_REQUEST_BRANCH)
endif

$(CMDs:%=build/docker/%/Dockerfile):
	mkdir -p $(@D)
	cp Dockerfile.dev $@

$(BINS:%=$(PREFIX)%): $(PREFIX)bin/%: vendor
	$(GOOS_OVERRIDE) $(GO_BUILD) -o $@ $(patsubst $(PREFIX)bin/%,./cmd/%/...,$@)
$(BINS:%=%-dev):
	$(call DOCKER_MAKE,$(patsubst bin/%-dev,%,$@))
bins: $(BINS:%=$(PREFIX)%)

$(DOCKER_IMAGES):
	docker build -t $(DOCKER_REPOSITORY)/$(patsubst docker-%,%,$@):latest \
		--label "org.label-schema.build-date"="$(BUILD_DATE)" \
		--label "org.label-schema.name"="$(RELEASE_NAME)" \
		--label "org.label-schema.vcs-ref"="$(VCS_SHA)" \
		--label "org.label-schema.vendor"="Arigato Machine Inc." \
		--label "org.label-schema.version"="$(RELEASE_VERSION)" \
		--label "org.vcs-branch"="$(VCS_BRANCH)" \
		--build-arg BINARY=$(patsubst docker-%,bin/%,$@) \
		.
$(DOCKER_IMAGES:%=%-dev): docker-%-dev: build/docker/%/Dockerfile bin/%-dev
	docker build -t $(DOCKER_REPOSITORY)/$(patsubst docker-%-dev,%,$@):latest \
		--label "org.label-schema.build-date"="$(BUILD_DATE)" \
		--label "org.label-schema.name"="$(RELEASE_NAME)" \
		--label "org.label-schema.vcs-ref"="$(VCS_SHA)" \
		--label "org.label-schema.vendor"="Arigato Machine Inc." \
		--label "org.label-schema.version"="$(RELEASE_VERSION)" \
		--label "org.vcs-branch"="$(VCS_BRANCH)" \
		--build-arg BINARY=bin/$(patsubst docker-%-dev,%,$@) \
		build/docker/$(patsubst docker-%-dev,%,$@)

docker: $(DOCKER_IMAGES)
docker-dev: $(DOCKER_IMAGES:%=%-dev)

docker-login:
	docker login -u="$$DOCKER_USERNAME" -p="$$DOCKER_PASSWORD"

$(DOCKER_RELEASES): release-%: docker-login docker-%
	docker tag $(DOCKER_REPOSITORY)/$(patsubst release-%,%,$@) $(DOCKER_REPOSITORY)/$(patsubst release-%,%,$@):$(RELEASE_VERSION)
	docker push $(DOCKER_REPOSITORY)/$(patsubst release-%,%,$@):$(RELEASE_VERSION)
ifeq ($(VCS_BRANCH),$(BASE_BRANCH))
	# On master, we want to push latest
	docker push $(DOCKER_REPOSITORY)/$(patsubst release-%,%,$@):latest
else
	# On branches, we want to push specific branch version and latest branch
	docker tag $(DOCKER_REPOSITORY)/$(patsubst release-%,%,$@) $(DOCKER_REPOSITORY)/$(patsubst release-%,%,$@):$(RELEASE_VERSION)
	docker push $(DOCKER_REPOSITORY)/$(patsubst release-%,%,$@):$(RELEASE_VERSION)
endif
release: $(DOCKER_RELEASES)

.PHONY: $(BINS:%=$(PREFIX)%) $(DOCKER_IMAGES) $(CMDs:%=build/docker/%/Dockerfile) $(DOCKER_RELEASES) release docker-login


#################################################
# Building the examples
#################################################
EXAMPLES=hello-hlnr
DOCKER_EXAMPLES=$(addprefix docker-,$(EXAMPLES))

$(DOCKER_EXAMPLES):
	docker build -t hlnr/$(patsubst docker-%,%,$@):latest _examples/$(patsubst docker-%,%,$@)

examples: $(DOCKER_EXAMPLES)

.PHONY: $(DOCKER_EXAMPLES)

#################################################
# Cleanup
#################################################
clean:
	rm -rf build