Makefile

# Copyright 2016 The Kubernetes Authors.
#
# Modifications Copyright 2020 the Velero contributors.
#
# 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.

# The binary to build (just the basename).
BIN ?= velero

# This repo's root import path (under GOPATH).
PKG := github.com/vmware-tanzu/velero

# Where to push the docker image.
REGISTRY ?= velero

# Build image handling. We push a build image for every changed version of 
# /hack/build-image/Dockerfile. We tag the dockerfile with the short commit hash
# of the commit that changed it. When determining if there is a build image in
# the registry to use we look for one that matches the current "commit" for the
# Dockerfile else we make one.

BUILDER_IMAGE_TAG := $(shell git log -1 --pretty=%h hack/build-image/Dockerfile)
BUILDER_IMAGE := $(REGISTRY)/build-image:$(BUILDER_IMAGE_TAG)
BUILDER_IMAGE_CACHED := $(shell docker images -q ${BUILDER_IMAGE} 2>/dev/null )

# Which architecture to build - see $(ALL_ARCH) for options.
# if the 'local' rule is being run, detect the ARCH from 'go env'
# if it wasn't specified by the caller.
local : ARCH ?= $(shell go env GOOS)-$(shell go env GOARCH)
ARCH ?= linux-amd64

VERSION ?= master

TAG_LATEST ?= false

# The version of restic binary to be downloaded for power architecture
RESTIC_VERSION ?= 0.9.6

CLI_PLATFORMS ?= linux-amd64 linux-arm linux-arm64 darwin-amd64 windows-amd64 linux-ppc64le
CONTAINER_PLATFORMS ?= linux-amd64 linux-ppc64le linux-arm linux-arm64
MANIFEST_PLATFORMS ?= amd64 ppc64le arm arm64

# set git sha and tree state
GIT_SHA = $(shell git rev-parse HEAD)
GIT_DIRTY = $(shell git status --porcelain 2> /dev/null)

# The default linters used by lint and local-lint
LINTERS ?= "gosec,goconst,gofmt,goimports,unparam"

###
### These variables should not need tweaking.
###

platform_temp = $(subst -, ,$(ARCH))
GOOS = $(word 1, $(platform_temp))
GOARCH = $(word 2, $(platform_temp))

# Set default base image dynamically for each arch
ifeq ($(GOARCH),amd64)
		DOCKERFILE ?= Dockerfile-$(BIN)
local-arch:
	@echo "local environment for amd64 is up-to-date"
endif
ifeq ($(GOARCH),arm)
		DOCKERFILE ?= Dockerfile-$(BIN)-arm
local-arch:
	@mkdir -p _output/bin/linux/arm/
	@wget -q -O - https://github.com/restic/restic/releases/download/v$(RESTIC_VERSION)/restic_$(RESTIC_VERSION)_linux_arm.bz2 | bunzip2 > _output/bin/linux/arm/restic
	@chmod a+x _output/bin/linux/arm/restic
endif
ifeq ($(GOARCH),arm64)
		DOCKERFILE ?= Dockerfile-$(BIN)-arm64
local-arch:
	@mkdir -p _output/bin/linux/arm64/
	@wget -q -O - https://github.com/restic/restic/releases/download/v$(RESTIC_VERSION)/restic_$(RESTIC_VERSION)_linux_arm64.bz2 | bunzip2 > _output/bin/linux/arm64/restic
	@chmod a+x _output/bin/linux/arm64/restic
endif
ifeq ($(GOARCH),ppc64le)
                DOCKERFILE ?= Dockerfile-$(BIN)-ppc64le
local-arch:
	RESTIC_VERSION=$(RESTIC_VERSION) \
        ./hack/get-restic-ppc64le.sh
endif

MULTIARCH_IMAGE = $(REGISTRY)/$(BIN)
IMAGE ?= $(REGISTRY)/$(BIN)-$(GOARCH)

# If you want to build all binaries, see the 'all-build' rule.
# If you want to build all containers, see the 'all-containers' rule.
# If you want to build AND push all containers, see the 'all-push' rule.
all:
	@$(MAKE) build
	@$(MAKE) build BIN=velero-restic-restore-helper

build-%:
	@$(MAKE) --no-print-directory ARCH=$* build
	@$(MAKE) --no-print-directory ARCH=$* build BIN=velero-restic-restore-helper

container-%:
	@$(MAKE) --no-print-directory ARCH=$* container
	@$(MAKE) --no-print-directory ARCH=$* container BIN=velero-restic-restore-helper

push-%:
	@$(MAKE) --no-print-directory ARCH=$* push
	@$(MAKE) --no-print-directory ARCH=$* push BIN=velero-restic-restore-helper

all-build: $(addprefix build-, $(CLI_PLATFORMS))

all-containers: $(addprefix container-, $(CONTAINER_PLATFORMS))

all-push: $(addprefix push-, $(CONTAINER_PLATFORMS))

all-manifests:
	@$(MAKE) manifest
	@$(MAKE) manifest BIN=velero-restic-restore-helper

local: build-dirs
	GOOS=$(GOOS) \
	GOARCH=$(GOARCH) \
	VERSION=$(VERSION) \
	PKG=$(PKG) \
	BIN=$(BIN) \
	GIT_SHA=$(GIT_SHA) \
	GIT_DIRTY="$(GIT_DIRTY)" \
	OUTPUT_DIR=$$(pwd)/_output/bin/$(GOOS)/$(GOARCH) \
	./hack/build.sh

build: _output/bin/$(GOOS)/$(GOARCH)/$(BIN)

_output/bin/$(GOOS)/$(GOARCH)/$(BIN): build-dirs
	@echo "building: $@"
	$(MAKE) shell CMD="-c '\
		GOOS=$(GOOS) \
		GOARCH=$(GOARCH) \
		VERSION=$(VERSION) \
		PKG=$(PKG) \
		BIN=$(BIN) \
		GIT_SHA=$(GIT_SHA) \
		GIT_DIRTY=\"$(GIT_DIRTY)\" \
		OUTPUT_DIR=/output/$(GOOS)/$(GOARCH) \
		./hack/build.sh'"

TTY := $(shell tty -s && echo "-t")


# Example: make shell CMD="date > datefile"
shell: build-dirs build-env
	@# bind-mount the Velero root dir in at /github.com/vmware-tanzu/velero
	@# because the Kubernetes code-generator tools require the project to
	@# exist in a directory hierarchy ending like this (but *NOT* necessarily
	@# under $GOPATH).
	@docker run \
		-e GOFLAGS \
		-i $(TTY) \
		--rm \
		-u $$(id -u):$$(id -g) \
		-v "$$(pwd):/github.com/vmware-tanzu/velero:delegated" \
		-v "$$(pwd)/_output/bin:/output:delegated" \
		-v "$$(pwd)/.go/pkg:/go/pkg:delegated" \
		-v "$$(pwd)/.go/std:/go/std:delegated" \
		-v "$$(pwd)/.go/std/$(GOOS)/$(GOARCH):/usr/local/go/pkg/$(GOOS)_$(GOARCH)_static:delegated" \
		-v "$$(pwd)/.go/go-build:/.cache/go-build:delegated" \
		-v "$$(pwd)/.go/golangci-lint:/.cache/golangci-lint:delegated" \
		-w /github.com/vmware-tanzu/velero \
		$(BUILDER_IMAGE) \
		/bin/sh $(CMD)

DOTFILE_IMAGE = $(subst :,_,$(subst /,_,$(IMAGE))-$(VERSION))

all-containers:
	$(MAKE) container
	$(MAKE) container BIN=velero-restic-restore-helper

container: local-arch .container-$(DOTFILE_IMAGE) container-name
.container-$(DOTFILE_IMAGE): _output/bin/$(GOOS)/$(GOARCH)/$(BIN) $(DOCKERFILE)
	@cp $(DOCKERFILE) _output/.dockerfile-$(BIN)-$(GOOS)-$(GOARCH)
	@docker build --pull -t $(IMAGE):$(VERSION) -f _output/.dockerfile-$(BIN)-$(GOOS)-$(GOARCH) _output
	@docker images -q $(IMAGE):$(VERSION) > $@

container-name:
	@echo "container: $(IMAGE):$(VERSION)"

push: .push-$(DOTFILE_IMAGE) push-name
.push-$(DOTFILE_IMAGE): .container-$(DOTFILE_IMAGE)
	@docker push $(IMAGE):$(VERSION)
ifeq ($(TAG_LATEST), true)
	docker tag $(IMAGE):$(VERSION) $(IMAGE):latest
	docker push $(IMAGE):latest
endif
	@docker images -q $(IMAGE):$(VERSION) > $@

push-name:
	@echo "pushed: $(IMAGE):$(VERSION)"

manifest: .manifest-$(MULTIARCH_IMAGE) manifest-name
.manifest-$(MULTIARCH_IMAGE):
	@DOCKER_CLI_EXPERIMENTAL=enabled docker manifest create $(MULTIARCH_IMAGE):$(VERSION) \
		$(foreach arch, $(MANIFEST_PLATFORMS), $(MULTIARCH_IMAGE)-$(arch):$(VERSION))
	@DOCKER_CLI_EXPERIMENTAL=enabled docker manifest push --purge $(MULTIARCH_IMAGE):$(VERSION)
ifeq ($(TAG_LATEST), true)
	@DOCKER_CLI_EXPERIMENTAL=enabled docker manifest create $(MULTIARCH_IMAGE):latest \
		$(foreach arch, $(MANIFEST_PLATFORMS), $(MULTIARCH_IMAGE)-$(arch):latest)
	@DOCKER_CLI_EXPERIMENTAL=enabled docker manifest push --purge $(MULTIARCH_IMAGE):latest
endif

manifest-name:
	@echo "pushed: $(MULTIARCH_IMAGE):$(VERSION)"

SKIP_TESTS ?=
test: build-dirs
ifneq ($(SKIP_TESTS), 1)
	@$(MAKE) shell CMD="-c 'hack/test.sh $(WHAT)'"
endif

test-local: build-dirs
ifneq ($(SKIP_TESTS), 1)
	hack/test.sh $(WHAT)
endif

verify:
ifneq ($(SKIP_TESTS), 1)
	@$(MAKE) shell CMD="-c 'hack/verify-all.sh'"
endif

lint:
ifneq ($(SKIP_TESTS), 1)
	@$(MAKE) shell CMD="-c 'hack/lint.sh $(LINTERS)'"
endif

local-lint:
ifneq ($(SKIP_TESTS), 1)
	@hack/lint.sh $(LINTERS)
endif

lint-all:
ifneq ($(SKIP_TESTS), 1)
	@$(MAKE) shell CMD="-c 'hack/lint.sh $(LINTERS) true'"
endif

local-lint-all:
ifneq ($(SKIP_TESTS), 1)
	@hack/lint.sh $(LINTERS) true
endif

update:
	@$(MAKE) shell CMD="-c 'hack/update-all.sh'"

build-dirs:
	@mkdir -p _output/bin/$(GOOS)/$(GOARCH)
	@mkdir -p .go/src/$(PKG) .go/pkg .go/bin .go/std/$(GOOS)/$(GOARCH) .go/go-build .go/golangci-lint

build-env:
	@# if we detect changes in dockerfile force a new build-image 
	@# else if we dont have a cached image make one
	@# finally use the cached image
ifneq ($(shell git diff --quiet HEAD -- hack/build-image/Dockerfile; echo $$?), 0)
	@echo "Local changes detected in hack/build-image/Dockerfile"
	@echo "Preparing a new builder-image"
	@make build-image
else ifneq ($(BUILDER_IMAGE_CACHED),)
	@echo "Using Cached Image: $(BUILDER_IMAGE)"
else
	@echo "Trying to pull build-image: $(BUILDER_IMAGE)"
	docker pull -q $(BUILDER_IMAGE) || make build-image
endif

build-image:
	@# When we build a new image we just untag the old one.
	@# This makes sure we don't leave the orphaned image behind.
	@id=$$(docker image inspect  --format '{{ .ID }}' ${BUILDER_IMAGE} 2>/dev/null); \
	cd hack/build-image && docker build --pull -t $(BUILDER_IMAGE) . ; \
	new_id=$$(docker image inspect  --format '{{ .ID }}' ${BUILDER_IMAGE} 2>/dev/null); \
	if [ "$$id" != "" ] && [ "$$id" != "$$new_id" ]; then \
		docker rmi -f $$id || true; \
	fi

push-build-image:
	@# this target will push the build-image it assumes you already have docker
	@# credentials needed to accomplish this.
	docker push $(BUILDER_IMAGE)

clean:
# if we have a cached image then use it to run go clean --modcache
# this test checks if we there is an image id in the BUILDER_IMAGE_CACHED variable.
ifneq ($(strip $(BUILDER_IMAGE_CACHED)),)
	$(MAKE) shell CMD="-c 'go clean --modcache'"
	docker rmi -f $(BUILDER_IMAGE) || true
endif
	rm -rf .container-* _output/.dockerfile-* .push-*
	rm -rf .go _output


.PHONY: modules
modules:
	go mod tidy


.PHONY: verify-modules
verify-modules: modules
	@if !(git diff --quiet HEAD -- go.sum go.mod); then \
		echo "go module files are out of date, please commit the changes to go.mod and go.sum"; exit 1; \
	fi


ci: verify-modules verify all test


changelog:
	hack/changelog.sh

# release builds a GitHub release using goreleaser within the build container.
#
# To dry-run the release, which will build the binaries/artifacts locally but
# will *not* create a GitHub release:
#		GITHUB_TOKEN=an-invalid-token-so-you-dont-accidentally-push-release \
#		RELEASE_NOTES_FILE=changelogs/CHANGELOG-1.2.md \
#		PUBLISH=false \
#		make release
#
# To run the release, which will publish a *DRAFT* GitHub release in github.com/vmware-tanzu/velero 
# (you still need to review/publish the GitHub release manually):
#		GITHUB_TOKEN=your-github-token \ 
#		RELEASE_NOTES_FILE=changelogs/CHANGELOG-1.2.md \
#		PUBLISH=true \
#		make release
release:
	$(MAKE) shell CMD="-c '\
		GITHUB_TOKEN=$(GITHUB_TOKEN) \
		RELEASE_NOTES_FILE=$(RELEASE_NOTES_FILE) \
		PUBLISH=$(PUBLISH) \
		./hack/goreleaser.sh'"

serve-docs:
	docker run \
	--rm \
	-v "$$(pwd)/site:/srv/jekyll" \
	-it -p 4000:4000 \
	jekyll/jekyll \
	jekyll serve --livereload --incremental

# gen-docs generates a new versioned docs directory under site/docs. It follows
# the following process:
#   1. Copies the contents of the most recently tagged docs directory into the new
#      directory, to establish a useful baseline to diff against.
#   2. Adds all copied content from step 1 to git's staging area via 'git add'.
#   3. Replaces the contents of the new docs directory with the contents of the
#      'master' docs directory, updating any version-specific links (e.g. to a
#      specific branch of the GitHub repository) to use the new version
#   4. Copies the previous version's ToC file and runs 'git add' to establish
#      a useful baseline to diff against.
#   5. Replaces the content of the new ToC file with the master ToC.
#   6. Update site/_config.yml and site/_data/toc-mapping.yml to include entries
#      for the new version.
#
# The unstaged changes in the working directory can now easily be diff'ed against the
# staged changes using 'git diff' to review all docs changes made since the previous 
# tagged version. Once the unstaged changes are ready, they can be added to the
# staging area using 'git add' and then committed.
#
# To run gen-docs: "NEW_DOCS_VERSION=v1.4 VELERO_VERSION=v1.4.0 make gen-docs"
#
# **NOTE**: there are additional manual steps required to finalize the process of generating
# a new versioned docs site. The full process is documented in site/README-JEKYLL.md.
gen-docs:
	@hack/gen-docs.sh