Makefile

#  Copyright (c) 2018 WSO2 Inc. (http:www.wso2.org) All Rights Reserved.
#
#  WSO2 Inc. licenses this file to you under the Apache License,
#  Version 2.0 (the "License"); you may not use this file except
#  in compliance with the License.
#  You may obtain a copy of the License at
#
#  http:www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing,
#  software distributed under the License is distributed on an
#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
#  KIND, either express or implied.  See the License for the
#  specific language governing permissions and limitations
#  under the License.

PROJECT_ROOT := $(realpath $(dir $(abspath $(lastword $(MAKEFILE_LIST)))))
PROJECT_PKG := cellery.io/cellery-controller
BUILD_DIRECTORY := build
BUILD_ROOT := $(PROJECT_ROOT)/$(BUILD_DIRECTORY)
GO_FILES		= $(shell find . -type f -name '*.go' -not -path "./vendor/*" -not -path "./pkg/generated/*")
GIT_REVISION := $(shell git rev-parse --verify HEAD)

MAIN_PACKAGES := controller webhook
BUILD_TARGETS := $(addprefix build., $(MAIN_PACKAGES))
TEST_TARGETS := $(addprefix test., $(MAIN_PACKAGES))
CONTROLLER_YAML_NAME := mesh-controller.yaml

VERSION ?= $(GIT_REVISION)

# Go build time flags
GO_LDFLAGS := -X $(PROJECT_PKG)/pkg/version.buildVersion=$(VERSION)
GO_LDFLAGS += -X $(PROJECT_PKG)/pkg/version.buildGitRevision=$(GIT_REVISION)
GO_LDFLAGS += -X $(PROJECT_PKG)/pkg/version.buildTime=$(shell date +%Y-%m-%dT%H:%M:%S%z)

DOCKER_TARGETS := $(addprefix docker., $(MAIN_PACKAGES))
DOCKER_PUSH_TARGETS := $(addprefix docker-push., $(MAIN_PACKAGES))
DOCKER_REPO ?= wso2cellery
DOCKER_IMAGE_PREFIX := mesh
DOCKER_IMAGE_TAG ?= $(VERSION)

all: build artifacts

.PHONY: $(BUILD_TARGETS)
$(BUILD_TARGETS):
	$(eval TARGET=$(patsubst build.%,%,$@))
	GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o $(BUILD_ROOT)/$(TARGET) -ldflags "$(GO_LDFLAGS)" -x $(PROJECT_ROOT)/cmd/$(TARGET)

.PHONY: build
build: $(BUILD_TARGETS)

.PHONY: $(TEST_TARGETS)
$(TEST_TARGETS):
	$(eval TARGET=$(patsubst test.%,%,$@))
	true
	# FIXME
	# go test -race -covermode=atomic -coverprofile=$(PROJECT_ROOT)/coverage.txt ./pkg/$(TARGET)/...

.PHONY: test
test: $(TEST_TARGETS)

coverage: test
	go tool cover -html=$(PROJECT_ROOT)/coverage.txt

.PHONY: $(DOCKER_TARGETS)
$(DOCKER_TARGETS): docker.% : build.%
	$(eval TARGET=$(patsubst docker.%,%,$@))
	docker build -f $(PROJECT_ROOT)/docker/$(TARGET)/Dockerfile $(BUILD_ROOT) -t $(DOCKER_REPO)/$(DOCKER_IMAGE_PREFIX)-$(TARGET):$(DOCKER_IMAGE_TAG)
	docker tag $(DOCKER_REPO)/$(DOCKER_IMAGE_PREFIX)-$(TARGET):$(DOCKER_IMAGE_TAG) $(DOCKER_REPO)/$(DOCKER_IMAGE_PREFIX)-$(TARGET):latest

.PHONY: docker
docker: $(DOCKER_TARGETS)

.PHONY: $(DOCKER_PUSH_TARGETS)
$(DOCKER_PUSH_TARGETS): docker-push.% : docker.%
	$(eval TARGET=$(patsubst docker-push.%,%,$@))
	docker push $(DOCKER_REPO)/$(DOCKER_IMAGE_PREFIX)-$(TARGET):$(DOCKER_IMAGE_TAG)
	docker push $(DOCKER_REPO)/$(DOCKER_IMAGE_PREFIX)-$(TARGET):latest

.PHONY: docker-push
docker-push: $(DOCKER_PUSH_TARGETS)

.PHONY: artifacts
artifacts:
	@mkdir -p $(BUILD_ROOT)
	@> $(BUILD_ROOT)/$(CONTROLLER_YAML_NAME)
	@for yaml in $(PROJECT_ROOT)/artifacts/*.yaml; do \
	    cat $${yaml} >> $(BUILD_ROOT)/$(CONTROLLER_YAML_NAME); \
        echo "---" >> ${BUILD_ROOT}/$(CONTROLLER_YAML_NAME); \
    done
	@sed -i.bak 's/$${CONTROLLER_IMAGE_TAG}/$(DOCKER_IMAGE_TAG)/g;s/$${DOCKER_REPO}/$(DOCKER_REPO)/g' ${BUILD_ROOT}/$(CONTROLLER_YAML_NAME)
	@rm -f ${BUILD_ROOT}/$(CONTROLLER_YAML_NAME).bak

.PHONY: clean
clean:
	@rm -rf $(BUILD_ROOT)

.PHONY: code.format
code.format: tools.goimports
	@goimports -local $(PROJECT_PKG) -w -l $(GO_FILES)

.PHONY: code.format-check
code.format-check: tools.goimports
	@goimports -local $(PROJECT_PKG) -l $(GO_FILES)

.PHONY: tools tools.goimports

tools: tools.goimports

tools.goimports:
	@command -v goimports >/dev/null ; if [ $$? -ne 0 ]; then \
		echo "goimports not found. Running 'go get golang.org/x/tools/cmd/goimports'"; \
		GO111MODULE=off go get golang.org/x/tools/cmd/goimports; \
	fi

.PHONY: vendor
vendor:
	go mod vendor -v

.PHONY: verify-codegen
verify-codegen: vendor
	$(PROJECT_ROOT)/hack/verify-codegen.sh