NAME ?= gitlab-ci-multi-runner
PACKAGE_NAME ?= $(NAME)
PACKAGE_CONFLICT ?= $(PACKAGE_NAME)-beta
VERSION := $(shell ./ci/version)
REVISION := $(shell git rev-parse --short HEAD || echo unknown)
BRANCH := $(shell git show-ref | grep "$(REVISION)" | grep -v HEAD | awk '{print $$2}' | sed 's|refs/remotes/origin/||' | sed 's|refs/heads/||' | sort | head -n 1)
BUILT := $(shell date +%Y-%m-%dT%H:%M:%S%:z)

LATEST_STABLE_TAG := $(shell git -c versionsort.prereleaseSuffix="-rc" -c versionsort.prereleaseSuffix="-RC" tag -l "v*.*.*" --sort=-v:refname | awk '!/rc/' | head -n 1)
export IS_LATEST :=
ifeq ($(shell git describe --exact-match --match $(LATEST_STABLE_TAG) >/dev/null 2>&1; echo $$?), 0)
export IS_LATEST := true
endif

PACKAGE_CLOUD ?= ayufan/gitlab-ci-multi-runner
PACKAGE_CLOUD_URL ?= https://packagecloud.io/
BUILD_PLATFORMS ?= -os '!netbsd' -os '!openbsd'
S3_UPLOAD_PATH ?= master
DEB_PLATFORMS ?= debian/wheezy debian/jessie debian/stretch debian/buster \
    ubuntu/precise ubuntu/trusty ubuntu/utopic ubuntu/vivid ubuntu/wily ubuntu/xenial \
    raspbian/wheezy raspbian/jessie raspbian/stretch raspbian/buster \
    linuxmint/petra linuxmint/qiana linuxmint/rebecca linuxmint/rafaela linuxmint/rosa
DEB_ARCHS ?= amd64 i386 armel armhf
RPM_PLATFORMS ?= el/6 el/7 \
    ol/6 ol/7 \
    fedora/20 fedora/21 fedora/22 fedora/23
RPM_ARCHS ?= x86_64 i686 arm armhf
COMMON_PACKAGE_NAMESPACE=$(shell go list ./common)

# Packages in vendor/ are included in ./...
# https://github.com/golang/go/issues/11659
OUR_PACKAGES=$(shell go list ./... | grep -v '/vendor/')

GO_LDFLAGS ?= -X $(COMMON_PACKAGE_NAMESPACE).NAME=$(PACKAGE_NAME) -X $(COMMON_PACKAGE_NAMESPACE).VERSION=$(VERSION) \
              -X $(COMMON_PACKAGE_NAMESPACE).REVISION=$(REVISION) -X $(COMMON_PACKAGE_NAMESPACE).BUILT=$(BUILT) \
              -X $(COMMON_PACKAGE_NAMESPACE).BRANCH=$(BRANCH)
GO_FILES ?= $(shell find . -name '*.go')
export CGO_ENABLED := 0

all: deps verify build

help:
	# Commands:
	# make all => deps verify build
	# make version - show information about current version
	#
	# Development commands:
	# make install - install the version suitable for your OS as gitlab-ci-multi-runner
	# make docker - build docker dependencies
	#
	# Testing commands:
	# make verify - run fmt, complexity, test and lint
	# make fmt - check source formatting
	# make test - run project tests
	# make lint - check project code style
	# make vet - examine code and report suspicious constructs
	# make complexity - check code complexity
	#
	# Deployment commands:
	# make deps - install all dependencies
	# make build - build project for all supported OSes
	# make package - package project using FPM
	# make packagecloud - send all packages to packagecloud
	# make packagecloud-yank - remove specific version from packagecloud

version: FORCE
	@echo Current version: $(VERSION)
	@echo Current revision: $(REVISION)
	@echo Current branch: $(BRANCH)
	@echo Build platforms: $(BUILD_PLATFORMS)
	@echo DEB platforms: $(DEB_PLATFORMS)
	@echo RPM platforms: $(RPM_PLATFORMS)
	@echo IS_LATEST: $(IS_LATEST)

verify: fmt vet lint complexity test

deps:
	# Installing dependencies...
	go get -u github.com/golang/lint/golint
	go get github.com/mitchellh/gox
	go get golang.org/x/tools/cmd/cover
	go get github.com/fzipp/gocyclo
	go get -u github.com/jteeuwen/go-bindata/...
	go install cmd/vet

out/docker/prebuilt-x86_64.tar.xz: $(GO_FILES)
	# Create directory
	mkdir -p out/docker

ifneq (, $(shell docker info))
	# Building gitlab-runner-helper
	gox -osarch=linux/amd64 \
		-ldflags "$(GO_LDFLAGS)" \
		-output="dockerfiles/build/gitlab-runner-helper" \
		./apps/gitlab-runner-helper

	# Build docker images
	docker build -t gitlab/gitlab-runner-helper:x86_64-$(REVISION) -f dockerfiles/build/Dockerfile.x86_64 dockerfiles/build
	-docker rm -f gitlab-runner-prebuilt-x86_64-$(REVISION)
	docker create --name=gitlab-runner-prebuilt-x86_64-$(REVISION) gitlab/gitlab-runner-helper:x86_64-$(REVISION) /bin/sh
	docker export -o out/docker/prebuilt-x86_64.tar gitlab-runner-prebuilt-x86_64-$(REVISION)
	docker rm -f gitlab-runner-prebuilt-x86_64-$(REVISION)
	xz -f -9 out/docker/prebuilt-x86_64.tar
else
	$(warning =============================================)
	$(warning WARNING: downloading prebuilt docker images that will be embedded in gitlab-runner)
	$(warning WARNING: to use images compiled from your code install Docker Engine)
	$(warning WARNING: and remove out/docker/prebuilt-x86_64.tar.xz)
	$(warning =============================================)
	curl -o out/docker/prebuilt-x86_64.tar.xz \
		https://gitlab-ci-multi-runner-downloads.s3.amazonaws.com/master/docker/prebuilt-x86_64.tar.xz
endif

out/docker/prebuilt-arm.tar.xz: $(GO_FILES)
	# Create directory
	mkdir -p out/docker

ifneq (, $(shell docker info))
	# Building gitlab-runner-helper
	gox -osarch=linux/arm \
		-ldflags "$(GO_LDFLAGS)" \
		-output="dockerfiles/build/gitlab-runner-helper" \
		./apps/gitlab-runner-helper

	# Build docker images
	docker build -t gitlab/gitlab-runner-helper:arm-$(REVISION) -f dockerfiles/build/Dockerfile.arm dockerfiles/build
	-docker rm -f gitlab-runner-prebuilt-arm-$(REVISION)
	docker create --name=gitlab-runner-prebuilt-arm-$(REVISION) gitlab/gitlab-runner-helper:arm-$(REVISION) /bin/sh
	docker export -o out/docker/prebuilt-arm.tar gitlab-runner-prebuilt-arm-$(REVISION)
	docker rm -f gitlab-runner-prebuilt-arm-$(REVISION)
	xz -f -9 out/docker/prebuilt-arm.tar
else
	$(warning =============================================)
	$(warning WARNING: downloading prebuilt docker images that will be embedded in gitlab-runner)
	$(warning WARNING: to use images compiled from your code install Docker Engine)
	$(warning WARNING: and remove out/docker/prebuilt-arm.tar.xz)
	$(warning =============================================)
	curl -o out/docker/prebuilt-arm.tar.xz \
		https://gitlab-ci-multi-runner-downloads.s3.amazonaws.com/master/docker/prebuilt-arm.tar.xz
endif

executors/docker/bindata.go: out/docker/prebuilt-x86_64.tar.xz out/docker/prebuilt-arm.tar.xz
	# Generating embedded data
	go-bindata \
		-pkg docker \
		-nocompress \
		-nomemcopy \
		-nometadata \
		-prefix out/docker/ \
		-o executors/docker/bindata.go \
		out/docker/prebuilt-x86_64.tar.xz \
		out/docker/prebuilt-arm.tar.xz
	go fmt executors/docker/bindata.go

docker: executors/docker/bindata.go

build: executors/docker/bindata.go
	# Building $(NAME) in version $(VERSION) for $(BUILD_PLATFORMS)
	gox $(BUILD_PLATFORMS) \
		-ldflags "$(GO_LDFLAGS)" \
		-output="out/binaries/$(NAME)-{{.OS}}-{{.Arch}}"

build_simple:
	# Building $(NAME) in version $(VERSION) for current platform
	go build \
		-ldflags "$(GO_LDFLAGS)" \
		-o "out/binaries/$(NAME)"

build_current: executors/docker/bindata.go build_simple

fmt:
	# Checking project code formatting...
	@go fmt $(OUR_PACKAGES) | awk '{if (NF > 0) {if (NR == 1) print "Please run go fmt for:"; print "- "$$1}} END {if (NF > 0) {if (NR > 0) exit 1}}'

vet:
	# Checking for suspicious constructs...
	@go vet $(OUR_PACKAGES)

lint:
	# Checking project code style...
	@golint ./... | ( ! grep -v -e "^vendor/" -e "be unexported" -e "don't use an underscore in package name" -e "ALL_CAPS" )

complexity:
	# Checking code complexity
	@gocyclo -over 9 $(shell find . -name '*.go' -not -path './vendor/*' | grep -v \
	    -e "/helpers/shell_escape.go" \
			-e "/executors/kubernetes/executor_kubernetes_test.go" \
			-e "/executors/kubernetes/util_test.go" \
			-e "/executors/kubernetes/exec_test.go" \
	    -e "/executors/parallels/" \
	    -e "/executors/virtualbox/")

test: executors/docker/bindata.go
	# Running tests...
	@go test $(OUR_PACKAGES) -cover

install: executors/docker/bindata.go
	go install --ldflags="$(GO_LDFLAGS)"

dockerfiles:
	make -C dockerfiles all

mocks: FORCE
	go get github.com/vektra/mockery/.../
	rm -rf ./mocks ./helpers/docker/mocks ./common/mocks ./helpers/service/mocks
	find . -type f -name 'mock_*' -delete
	mockery -dir=$(GOPATH)/src/github.com/ayufan/golang-kardianos-service -output=./helpers/service/mocks -name=Interface
	mockery -dir=./common -all -inpkg
	mockery -dir=./helpers/docker -all -inpkg

test-docker:
	make test-docker-image IMAGE=centos:6 TYPE=rpm
	make test-docker-image IMAGE=centos:7 TYPE=rpm
	make test-docker-image IMAGE=debian:wheezy TYPE=deb
	make test-docker-image IMAGE=debian:jessie TYPE=deb
	make test-docker-image IMAGE=ubuntu-upstart:precise TYPE=deb
	make test-docker-image IMAGE=ubuntu-upstart:trusty TYPE=deb
	make test-docker-image IMAGE=ubuntu-upstart:utopic TYPE=deb

test-docker-image:
	tests/test_installation.sh $(IMAGE) out/$(TYPE)/$(PACKAGE_NAME)_amd64.$(TYPE)
	tests/test_installation.sh $(IMAGE) out/$(TYPE)/$(PACKAGE_NAME)_amd64.$(TYPE) Y

build-and-deploy:
	make build BUILD_PLATFORMS="-os=linux -arch=amd64"
	make package-deb-fpm ARCH=amd64 PACKAGE_ARCH=amd64
	scp out/deb/$(PACKAGE_NAME)_amd64.deb $(SERVER):
	ssh $(SERVER) dpkg -i $(PACKAGE_NAME)_amd64.deb

build-and-deploy-binary:
	make build BUILD_PLATFORMS="-os=linux -arch=amd64"
	scp out/binaries/$(PACKAGE_NAME)-linux-amd64 $(SERVER):/usr/bin/gitlab-runner

package: package-deps package-deb package-rpm

package-deb:
	# Building Debian compatible packages...
	make package-deb-fpm ARCH=amd64 PACKAGE_ARCH=amd64
	make package-deb-fpm ARCH=386 PACKAGE_ARCH=i386
	make package-deb-fpm ARCH=arm PACKAGE_ARCH=armel
	make package-deb-fpm ARCH=arm PACKAGE_ARCH=armhf

package-rpm:
	# Building RedHat compatible packages...
	make package-rpm-fpm ARCH=amd64 PACKAGE_ARCH=amd64
	make package-rpm-fpm ARCH=386 PACKAGE_ARCH=i686
	make package-rpm-fpm ARCH=arm PACKAGE_ARCH=arm
	make package-rpm-fpm ARCH=arm PACKAGE_ARCH=armhf

package-deps:
	# Installing packaging dependencies...
	gem install fpm

package-deb-fpm:
	@mkdir -p out/deb/
	fpm -s dir -t deb -n $(PACKAGE_NAME) -v $(VERSION) \
		-p out/deb/$(PACKAGE_NAME)_$(PACKAGE_ARCH).deb \
		--deb-priority optional --category admin \
		--force \
		--deb-compression bzip2 \
		--after-install packaging/scripts/postinst.deb \
		--before-remove packaging/scripts/prerm.deb \
		--url https://gitlab.com/gitlab-org/gitlab-ci-multi-runner \
		--description "GitLab Runner" \
		-m "Kamil Trzciński <ayufan@ayufan.eu>" \
		--license "MIT" \
		--vendor "ayufan.eu" \
		--conflicts $(PACKAGE_CONFLICT) \
		--provides gitlab-runner \
		--replaces gitlab-runner \
		--depends ca-certificates \
		--depends git \
		--depends curl \
		--depends tar \
		--deb-suggests docker-engine \
		-a $(PACKAGE_ARCH) \
		packaging/root/=/ \
		out/binaries/$(NAME)-linux-$(ARCH)=/usr/bin/gitlab-ci-multi-runner

package-rpm-fpm:
	@mkdir -p out/rpm/
	fpm -s dir -t rpm -n $(PACKAGE_NAME) -v $(VERSION) \
		-p out/rpm/$(PACKAGE_NAME)_$(PACKAGE_ARCH).rpm \
		--rpm-compression bzip2 --rpm-os linux \
		--force \
		--after-install packaging/scripts/postinst.rpm \
		--before-remove packaging/scripts/prerm.rpm \
		--url https://gitlab.com/gitlab-org/gitlab-ci-multi-runner \
		--description "GitLab Runner" \
		-m "Kamil Trzciński <ayufan@ayufan.eu>" \
		--license "MIT" \
		--vendor "ayufan.eu" \
		--conflicts $(PACKAGE_CONFLICT) \
		--provides gitlab-runner \
		--replaces gitlab-runner \
		--depends git \
		--depends curl \
		--depends tar \
		-a $(PACKAGE_ARCH) \
		packaging/root/=/ \
		out/binaries/$(NAME)-linux-$(ARCH)=/usr/bin/gitlab-ci-multi-runner

packagecloud: packagecloud-deps packagecloud-deb packagecloud-rpm

packagecloud-deps:
	# Installing packagecloud dependencies...
	gem install package_cloud

packagecloud-deb:
	# Sending Debian compatible packages...
	-for DIST in $(DEB_PLATFORMS); do \
		package_cloud push --url $(PACKAGE_CLOUD_URL) $(PACKAGE_CLOUD)/$$DIST out/deb/*.deb; \
	done

packagecloud-rpm:
	# Sending RedHat compatible packages...
	-for DIST in $(RPM_PLATFORMS); do \
		package_cloud push --url $(PACKAGE_CLOUD_URL) $(PACKAGE_CLOUD)/$$DIST out/rpm/*.rpm; \
	done

packagecloud-yank:
ifneq ($(YANK),)
	# Removing $(YANK) from packagecloud...
	-for DIST in $(DEB_PLATFORMS); do \
		for ARCH in $(DEB_ARCHS); do \
			package_cloud yank --url $(PACKAGE_CLOUD_URL) $(PACKAGE_CLOUD)/$$DIST $(PACKAGE_NAME)_$(YANK)_$$ARCH.deb & \
		done; \
	done; \
	for DIST in $(RPM_PLATFORMS); do \
		for ARCH in $(RPM_ARCHS); do \
			package_cloud yank --url $(PACKAGE_CLOUD_URL) $(PACKAGE_CLOUD)/$$DIST $(PACKAGE_NAME)-$(YANK)-1.$$ARCH.rpm & \
		done; \
	done; \
	wait
else
	# No version specified in YANK
	@exit 1
endif

s3-upload:
	export ARTIFACTS_DEST=artifacts; curl -sL https://raw.githubusercontent.com/travis-ci/artifacts/master/install | bash
	./artifacts upload \
		--permissions public-read \
		--working-dir out \
		--target-paths "$(S3_UPLOAD_PATH)/" \
		$(shell cd out/; find . -type f)

release:
	@./ci/release "$$CI_BUILD_NAME"

release_docker_images:
	@./ci/release_docker_images

check-tags-in-changelog:
	# Looking for tags in CHANGELOG
	@git status | grep "On branch master" 2>&1 >/dev/null || echo "Check should be done on master branch only. Skipping."
	@for tag in $$(git tag | grep -E "^v[0-9]+\.[0-9]+\.[0-9]+$$" | sed 's|v||' | sort -g); do \
		state="MISSING"; \
		grep "^v $$tag" CHANGELOG.md 2>&1 >/dev/null; \
		[ "$$?" -eq 1 ] || state="OK"; \
		echo "$$tag:   \t $$state"; \
	done

FORCE:
