PACKAGE=github.com/argoproj/argo
CURRENT_DIR=$(shell pwd)
DIST_DIR=${CURRENT_DIR}/dist

VERSION=$(shell cat ${CURRENT_DIR}/VERSION)
BUILD_DATE=$(shell date -u +'%Y-%m-%dT%H:%M:%SZ')
GIT_COMMIT=$(shell git rev-parse HEAD)
GIT_TAG=$(shell if [ -z "`git status --porcelain`" ]; then git describe --exact-match --tags HEAD 2>/dev/null; fi)
GIT_TREE_STATE=$(shell if [ -z "`git status --porcelain`" ]; then echo "clean" ; else echo "dirty"; fi)

BUILDER_IMAGE=argo-builder
# NOTE: the volume mount of ${DIST_DIR}/pkg below is optional and serves only
# to speed up subsequent builds by caching ${GOPATH}/pkg between builds.
BUILDER_CMD=docker run --rm \
  -v ${CURRENT_DIR}:/root/go/src/${PACKAGE} \
  -v ${DIST_DIR}/pkg:/root/go/pkg \
  -w /root/go/src/${PACKAGE} ${BUILDER_IMAGE}

LDFLAGS = \
  -X ${PACKAGE}.version=${VERSION} \
  -X ${PACKAGE}.buildDate=${BUILD_DATE} \
  -X ${PACKAGE}.gitCommit=${GIT_COMMIT} \
  -X ${PACKAGE}.gitTreeState=${GIT_TREE_STATE}

# docker image publishing options
DOCKER_PUSH=false
IMAGE_TAG=latest
ifneq (${GIT_TAG},)
IMAGE_TAG=${GIT_TAG}
LDFLAGS += -X ${PACKAGE}.gitTag=${GIT_TAG}
endif
ifneq (${IMAGE_NAMESPACE},)
LDFLAGS += -X ${PACKAGE}/cmd/argo/commands.imageNamespace=${IMAGE_NAMESPACE}
endif
ifneq (${IMAGE_TAG},)
LDFLAGS += -X ${PACKAGE}/cmd/argo/commands.imageTag=${IMAGE_TAG}
endif

ifeq (${DOCKER_PUSH},true)
ifndef IMAGE_NAMESPACE
$(error IMAGE_NAMESPACE must be set to push images (e.g. IMAGE_NAMESPACE=argoproj))
endif
endif

ifdef IMAGE_NAMESPACE
IMAGE_PREFIX=${IMAGE_NAMESPACE}/
endif

# Build the project
all: no_ui ui-image

no_ui: cli controller-image executor-image

builder:
	docker build -t ${BUILDER_IMAGE} -f Dockerfile-builder .

cli:
	go build -v -i -ldflags '${LDFLAGS}' -o ${DIST_DIR}/argo ./cmd/argo

cli-linux: builder
	${BUILDER_CMD} make cli IMAGE_TAG=$(IMAGE_TAG) IMAGE_NAMESPACE=$(IMAGE_NAMESPACE)
	mv ${DIST_DIR}/argo ${DIST_DIR}/argo-linux-amd64

cli-darwin: builder
	${BUILDER_CMD} make cli GOOS=darwin IMAGE_TAG=$(IMAGE_TAG) IMAGE_NAMESPACE=$(IMAGE_NAMESPACE)
	mv ${DIST_DIR}/argo ${DIST_DIR}/argo-darwin-amd64

controller:
	go build -v -i -ldflags '${LDFLAGS}' -o ${DIST_DIR}/workflow-controller ./cmd/workflow-controller

controller-linux: builder
	${BUILDER_CMD} make controller

controller-image: controller-linux
	docker build -t $(IMAGE_PREFIX)workflow-controller:$(IMAGE_TAG) -f Dockerfile-workflow-controller .
	@if [ "$(DOCKER_PUSH)" = "true" ] ; then docker push $(IMAGE_PREFIX)workflow-controller:$(IMAGE_TAG) ; fi

executor:
	go build -v -i -ldflags '${LDFLAGS}' -o ${DIST_DIR}/argoexec ./cmd/argoexec

executor-linux: builder
	${BUILDER_CMD} make executor

executor-image: executor-linux
	docker build -t $(IMAGE_PREFIX)argoexec:$(IMAGE_TAG) -f Dockerfile-argoexec .
	@if [ "$(DOCKER_PUSH)" = "true" ] ; then docker push $(IMAGE_PREFIX)argoexec:$(IMAGE_TAG) ; fi

lint:
	gometalinter --config gometalinter.json ./...

test:
	go test ./...

clean:
	-rm -rf ${CURRENT_DIR}/dist

ui-image:
	docker build -t argo-ui-builder -f ui/Dockerfile.builder ui && \
	docker create --name argo-ui-builder argo-ui-builder && \
	mkdir -p ui/tmp && rm -rf ui/tmp/dist ui/tmp/api-dist ui/tmp/node_modules && \
	docker cp argo-ui-builder:/src/dist ./ui/tmp && \
	docker cp argo-ui-builder:/src/api-dist ./ui/tmp && \
	docker cp argo-ui-builder:/src/node_modules ./ui/tmp
	docker rm argo-ui-builder
	docker build -t $(IMAGE_PREFIX)argoui:$(IMAGE_TAG) -f ui/Dockerfile ui
	@if [ "$(DOCKER_PUSH)" = "true" ] ; then docker push $(IMAGE_PREFIX)argoui:$(IMAGE_TAG) ; fi

release-precheck:
	@if [ "$(GIT_TREE_STATE)" != "clean" ]; then echo 'git tree state is $(GIT_TREE_STATE)' ; exit 1; fi
	@if [ -z "$(GIT_TAG)" ]; then echo 'commit must be tagged to perform release' ; exit 1; fi

release: release-precheck controller-image cli-darwin cli-linux executor-image ui-image

.PHONY: builder \
	cli cli-linux cli-darwin \
	controller controller-linux controller-image \
	executor executor-linux executor-image \
	ui-image \
	release-precheck release \
	lint clean test