# Copyright 2017 The Kubernetes Authors.
#
# Licensed 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.

# cover-html creates coverage report for whole project excluding vendor and opens result in the default browser
.PHONY: cover cover-html
.DEFAULT_GOAL := build

cover:
	go get github.com/wadey/gocovmerge
	$(eval PKGS := $(shell go list ./... | grep -v /vendor/))
	$(eval PKGS_DELIM := $(shell echo $(PKGS) | sed -e 's/ /,/g'))
	go list -f '{{if or (len .TestGoFiles) (len .XTestGoFiles)}}go test -test.v -test.timeout=120s -covermode=count -coverprofile={{.Name}}_{{len .Imports}}_{{len .Deps}}.coverprofile -coverpkg $(PKGS_DELIM) {{.ImportPath}}{{end}}' $(PKGS) | xargs -0 sh -c
	gocovmerge `ls *.coverprofile` > cover.out
	rm *.coverprofile

cover-html: cover
	go tool cover -html cover.out

dep:
	curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
	dep ensure -vendor-only

# The verify target runs tasks similar to the CI tasks, but without code coverage
.PHONY: verify test

test:
	go test -v -race $(shell go list ./... | grep -v /vendor/)

verify: test
	vendor/github.com/kubernetes/repo-infra/verify/verify-boilerplate.sh --rootdir=${CURDIR}
	vendor/github.com/kubernetes/repo-infra/verify/verify-go-src.sh -v --rootdir ${CURDIR}

# The build targets allow to build the binary and docker image
.PHONY: build build.docker

BINARY        ?= external-dns
SOURCES        = $(shell find . -name '*.go')
IMAGE         ?= registry.opensource.zalan.do/teapot/$(BINARY)
VERSION       ?= $(shell git describe --tags --always --dirty)
BUILD_FLAGS   ?= -v
LDFLAGS       ?= -X github.com/kubernetes-incubator/external-dns/pkg/apis/externaldns.Version=$(VERSION) -w -s

build: build/$(BINARY)

build/$(BINARY): $(SOURCES)
	CGO_ENABLED=0 go build -o build/$(BINARY) $(BUILD_FLAGS) -ldflags "$(LDFLAGS)" .

build.push: build.docker
	docker push "$(IMAGE):$(VERSION)"

build.docker:
	docker build --rm --tag "$(IMAGE):$(VERSION)" .

clean:
	@rm -rf build