Makefile

.PHONY: build build-alpine clean test help default

BIN_NAME=prometheus-es-adapter

VERSION ?= $(shell git describe --tags 2>/dev/null || echo "nil")
GIT_COMMIT=$(shell git rev-parse HEAD)
GIT_DIRTY=$(shell test -n "`git status --porcelain`" && echo "+CHANGES" || true)
IMAGE_NAME := "pwillie/prometheus-es-adapter"

default: test

help:
	@echo 'Management commands for prometheus-es-adapter:'
	@echo
	@echo 'Usage:'
	@echo '    make build           Compile the project.'
	@echo '    make build-alpine    Compile optimized for alpine linux.'
	@echo '    make package         Build final docker image with just the go binary inside'
	@echo '    make tag             Tag image created by package with latest, git commit and version'
	@echo '    make test            Run tests on a compiled project.'
	@echo '    make push            Push tagged images to registry'
	@echo '    make clean           Clean the directory tree.'
	@echo

build:
	@echo "building ${BIN_NAME} ${VERSION}"
	@echo "GOPATH=${GOPATH}"
	go build -ldflags "-X main.GitCommit=${GIT_COMMIT}${GIT_DIRTY} -X main.VersionPrerelease=DEV" -o bin/${BIN_NAME} cmd/adapter/*.go

build-alpine:
	@echo "building ${BIN_NAME} ${VERSION}"
	@echo "GOPATH=${GOPATH}"
	go build -ldflags '-w -extldflags "-static" -X main.Version=${VERSION} -X main.GitCommit=${GIT_COMMIT}${GIT_DIRTY} -X main.VersionPrerelease=VersionPrerelease=RC' -o bin/${BIN_NAME} cmd/adapter/*.go

package:
	@echo "building image ${BIN_NAME} ${VERSION} $(GIT_COMMIT)"
	docker build --build-arg VERSION=${VERSION} --build-arg GIT_COMMIT=$(GIT_COMMIT) -t $(IMAGE_NAME):local .

tag: 
	@echo "Tagging: latest ${VERSION} $(GIT_COMMIT)"
	docker tag $(IMAGE_NAME):local $(IMAGE_NAME):$(GIT_COMMIT)
	docker tag $(IMAGE_NAME):local $(IMAGE_NAME):${VERSION}
	docker tag $(IMAGE_NAME):local $(IMAGE_NAME):latest

push: tag
	@echo "Pushing docker image to registry: latest ${VERSION} $(GIT_COMMIT)"
	docker push $(IMAGE_NAME):$(GIT_COMMIT)
	docker push $(IMAGE_NAME):${VERSION}
	docker push $(IMAGE_NAME):latest

clean:
	@test ! -e bin/${BIN_NAME} || rm bin/${BIN_NAME}

test:
	go vet ./...
	go test -cover -coverprofile=coverage.out -v ./...

watch:
	watcher -run github.com/pwillie/prometheus-es-adapter/cmd/adapter -watch github.com/pwillie/prometheus-es-adapter