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Makefile
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include embedded-bins/Makefile.variables
include inttest/Makefile.variables
include hack/tools/Makefile.variables
ifndef HOST_ARCH
HOST_HARDWARE := $(shell uname -m)
ifneq (, $(filter $(HOST_HARDWARE), aarch64 arm64))
HOST_ARCH := arm64
else ifneq (, $(filter $(HOST_HARDWARE), armv8l armv7l arm))
HOST_ARCH := arm
else
ifeq (, $(filter $(HOST_HARDWARE), x86_64 amd64 x64))
$(warning unknown machine hardware name $(HOST_HARDWARE), assuming amd64)
endif
HOST_ARCH := amd64
endif
endif
K0S_GO_BUILD_CACHE ?= build/cache
GO_SRCS := $(shell find . -type f -name '*.go' -not -path './$(K0S_GO_BUILD_CACHE)/*' -not -path './inttest/*' -not -name '*_test.go' -not -name 'zz_generated*')
GO_CHECK_UNIT_DIRS := . ./cmd/... ./pkg/... ./internal/... ./static/... ./hack/...
# EMBEDDED_BINS_BUILDMODE can be either:
# docker builds the binaries in docker
# none does not embed any binaries
EMBEDDED_BINS_BUILDMODE ?= docker
# k0s runs on linux even if it's built on mac or windows
TARGET_OS ?= linux
BUILD_UID ?= $(shell id -u)
BUILD_GID ?= $(shell id -g)
BUILD_GO_TAGS ?= osusergo
BUILD_GO_FLAGS = -tags=$(subst $(space),$(comma),$(BUILD_GO_TAGS)) -buildvcs=false -trimpath
BUILD_CGO_CFLAGS :=
BUILD_GO_LDFLAGS_EXTRA :=
DEBUG ?= false
VERSION ?= $(shell git describe --tags)
ifeq ($(DEBUG), false)
LD_FLAGS ?= -w -s
endif
# https://reproducible-builds.org/docs/source-date-epoch/#makefile
# https://reproducible-builds.org/docs/source-date-epoch/#git
SOURCE_DATE_EPOCH ?= $(shell git log -1 --pretty=%ct || date -u +%s)
BUILD_DATE_FMT = %Y-%m-%dT%H:%M:%SZ
BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(BUILD_DATE_FMT)" 2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+$(BUILD_DATE_FMT)" 2>/dev/null || date -u "+$(BUILD_DATE_FMT)")
LD_FLAGS += -X github.com/k0sproject/k0s/pkg/build.Version=$(VERSION)
LD_FLAGS += -X github.com/k0sproject/k0s/pkg/build.RuncVersion=$(runc_version)
LD_FLAGS += -X github.com/k0sproject/k0s/pkg/build.ContainerdVersion=$(containerd_version)
LD_FLAGS += -X github.com/k0sproject/k0s/pkg/build.KubernetesVersion=$(kubernetes_version)
LD_FLAGS += -X github.com/k0sproject/k0s/pkg/build.KineVersion=$(kine_version)
LD_FLAGS += -X github.com/k0sproject/k0s/pkg/build.EtcdVersion=$(etcd_version)
LD_FLAGS += -X github.com/k0sproject/k0s/pkg/build.KonnectivityVersion=$(konnectivity_version)
LD_FLAGS += -X "github.com/k0sproject/k0s/pkg/build.EulaNotice=$(EULA_NOTICE)"
LD_FLAGS += -X github.com/k0sproject/k0s/pkg/telemetry.segmentToken=$(SEGMENT_TOKEN)
LD_FLAGS += -X k8s.io/component-base/version.gitVersion=v$(kubernetes_version)
LD_FLAGS += -X k8s.io/component-base/version.gitMajor=$(word 1,$(subst ., ,$(kubernetes_version)))
LD_FLAGS += -X k8s.io/component-base/version.gitMinor=$(word 2,$(subst ., ,$(kubernetes_version)))
LD_FLAGS += -X k8s.io/component-base/version.buildDate=$(BUILD_DATE)
LD_FLAGS += -X k8s.io/component-base/version.gitCommit=not_available
LD_FLAGS += -X github.com/containerd/containerd/version.Version=$(containerd_version)
ifeq ($(EMBEDDED_BINS_BUILDMODE), docker)
ifeq ($(TARGET_OS),linux)
LD_FLAGS += -X github.com/containerd/containerd/version.Revision=$(shell ./embedded-bins/staging/linux/bin/containerd --version | awk '{print $$4}')
endif
endif
LD_FLAGS += $(BUILD_GO_LDFLAGS_EXTRA)
GOLANG_IMAGE ?= $(golang_buildimage)
K0S_GO_BUILD_CACHE_VOLUME_PATH=$(realpath $(K0S_GO_BUILD_CACHE))
GO_ENV ?= docker run --rm \
-v '$(K0S_GO_BUILD_CACHE_VOLUME_PATH)':/run/k0s-build \
-v '$(CURDIR)':/go/src/github.com/k0sproject/k0s \
-w /go/src/github.com/k0sproject/k0s \
-e GOOS \
-e CGO_ENABLED \
-e CGO_CFLAGS \
-e GOARCH \
--user $(BUILD_UID):$(BUILD_GID) \
-- '$(shell cat .k0sbuild.docker-image.k0s)'
GO ?= $(GO_ENV) go
# https://www.gnu.org/software/make/manual/make.html#index-spaces_002c-in-variable-values
nullstring :=
space := $(nullstring) # space now holds a single space
comma := ,
.DELETE_ON_ERROR:
.PHONY: build
ifeq ($(TARGET_OS),windows)
build: k0s.exe
else
BUILD_GO_LDFLAGS_EXTRA = -extldflags=-static
build: k0s
endif
.PHONY: all
all: k0s k0s.exe
$(K0S_GO_BUILD_CACHE):
mkdir -p -- '$@'
.k0sbuild.docker-image.k0s: build/Dockerfile embedded-bins/Makefile.variables | $(K0S_GO_BUILD_CACHE)
docker build --progress=plain --iidfile '$@' \
--build-arg BUILDIMAGE=$(GOLANG_IMAGE) \
-t k0sbuild.docker-image.k0s - <build/Dockerfile
go.sum: go.mod .k0sbuild.docker-image.k0s
$(GO) mod tidy && touch -c -- '$@'
# List of all the custom APIs that k0s defines.
api_group_versions := $(foreach path,$(wildcard pkg/apis/*/v*/doc.go),$(path:pkg/apis/%/doc.go=%))
# Declare the requisites for the generators operating on API group versions.
api_group_version_targets := .controller-gen.stamp zz_generated.register.go
$(foreach gv,$(api_group_versions),$(eval $(foreach t,$(api_group_version_targets),pkg/apis/$(gv)/$(t)): $$(shell find pkg/apis/$(gv)/ -maxdepth 1 -type f -name '*.go' -not -name '*_test.go' -not -name 'zz_generated*')))
# Run controller-gen for each API group version.
controller_gen_targets := $(foreach gv,$(api_group_versions),pkg/apis/$(gv)/.controller-gen.stamp)
codegen_targets := $(controller_gen_targets)
$(controller_gen_targets): .k0sbuild.docker-image.k0s hack/tools/boilerplate.go.txt hack/tools/Makefile.variables
rm -rf 'static/_crds/$(dir $(@:pkg/apis/%/.controller-gen.stamp=%))'
gendir="$$(mktemp -d .controller-gen.XXXXXX.tmp)" \
&& trap "rm -rf -- $$gendir" INT EXIT \
&& CGO_ENABLED=0 $(GO) run sigs.k8s.io/controller-tools/cmd/controller-gen@v$(controller-gen_version) \
paths="./$(dir $@)..." \
object:headerFile=hack/tools/boilerplate.go.txt output:object:dir="$$gendir" \
crd output:crd:dir='static/_crds/$(dir $(@:pkg/apis/%/.controller-gen.stamp=%))' \
&& mv -f -- "$$gendir"/zz_generated.deepcopy.go '$(dir $@).'
touch -- '$@'
# Run register-gen for each API group version.
register_gen_targets := $(foreach gv,$(api_group_versions),pkg/apis/$(gv)/zz_generated.register.go)
codegen_targets += $(register_gen_targets)
$(register_gen_targets): .k0sbuild.docker-image.k0s hack/tools/boilerplate.go.txt embedded-bins/Makefile.variables
CGO_ENABLED=0 $(GO) run k8s.io/code-generator/cmd/register-gen@v$(kubernetes_version:1.%=0.%) \
--go-header-file=hack/tools/boilerplate.go.txt \
--output-file='_$(notdir $@).tmp' \
'github.com/k0sproject/k0s/$(dir $@)' || { \
ret=$$?; \
rm -f -- '$(dir $@)_$(notdir $@).tmp'; \
exit $$ret; \
}
mv -- '$(dir $@)_$(notdir $@).tmp' '$@'
# Generate the k0s client-go clientset based on all custom API group versions.
clientset_input_dirs := $(foreach gv,$(api_group_versions),pkg/apis/$(gv))
codegen_targets += pkg/client/clientset/.client-gen.stamp
pkg/client/clientset/.client-gen.stamp: $(shell find $(clientset_input_dirs) -type f -name '*.go' -not -name '*_test.go' -not -name 'zz_generated*')
pkg/client/clientset/.client-gen.stamp: .k0sbuild.docker-image.k0s hack/tools/boilerplate.go.txt embedded-bins/Makefile.variables
gendir="$$(mktemp -d .client-gen.XXXXXX.tmp)" \
&& trap "rm -rf -- $$gendir" INT EXIT \
&& CGO_ENABLED=0 $(GO) run k8s.io/code-generator/cmd/client-gen@v$(kubernetes_version:1.%=0.%) \
--go-header-file=hack/tools/boilerplate.go.txt \
--input-base='' \
--input=$(subst $(space),$(comma),$(clientset_input_dirs:%=github.com/k0sproject/k0s/%)) \
--output-pkg=github.com/k0sproject/k0s/pkg/client \
--clientset-name=clientset \
--output-dir="$$gendir/out" \
&& { [ ! -e pkg/client/clientset ] || mv -- pkg/client/clientset "$$gendir/old"; } \
&& mv -f -- "$$gendir/out/clientset" pkg/client/.
touch -- '$@'
ifeq ($(EMBEDDED_BINS_BUILDMODE),none)
BUILD_GO_TAGS += noembedbins
else
codegen_targets += pkg/assets/zz_generated_offsets_$(TARGET_OS).go
zz_os = $(patsubst pkg/assets/zz_generated_offsets_%.go,%,$@)
pkg/assets/zz_generated_offsets_linux.go: .bins.linux.stamp
pkg/assets/zz_generated_offsets_windows.go: .bins.windows.stamp
pkg/assets/zz_generated_offsets_linux.go pkg/assets/zz_generated_offsets_windows.go: .k0sbuild.docker-image.k0s go.sum
GOOS=${GOHOSTOS} $(GO) run -tags=hack hack/gen-bindata/cmd/main.go -o bindata_$(zz_os) -pkg assets \
-gofile pkg/assets/zz_generated_offsets_$(zz_os).go \
-prefix embedded-bins/staging/$(zz_os)/ embedded-bins/staging/$(zz_os)/bin
endif
k0s: TARGET_OS = linux
k0s: BUILD_GO_CGO_ENABLED = 1
k0s: .k0sbuild.docker-image.k0s
k0s.exe: TARGET_OS = windows
k0s.exe: BUILD_GO_CGO_ENABLED = 0
k0s.exe k0s: go.sum $(codegen_targets) $(GO_SRCS) $(shell find static/manifests/calico static/manifests/windows -type f)
rm -f -- '$@'
CGO_ENABLED=$(BUILD_GO_CGO_ENABLED) CGO_CFLAGS='$(BUILD_CGO_CFLAGS)' GOOS=$(TARGET_OS) $(GO) build $(BUILD_GO_FLAGS) -ldflags='$(LD_FLAGS)' -o '$@' main.go
ifneq ($(EMBEDDED_BINS_BUILDMODE),none)
cat -- bindata_$(TARGET_OS) >>$@
endif
@printf '\n%s size: %s\n\n' '$@' "$$(du -sh -- $@ | cut -f1)"
.bins.windows.stamp .bins.linux.stamp: embedded-bins/Makefile.variables
$(MAKE) -C embedded-bins \
TARGET_OS=$(patsubst .bins.%.stamp,%,$@) \
SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH)
touch $@
.PHONY: codegen
codegen: $(codegen_targets)
# bindata contains the parts of codegen which aren't version controlled.
.PHONY: bindata
bindata:
ifneq ($(EMBEDDED_BINS_BUILDMODE),none)
bindata: pkg/assets/zz_generated_offsets_$(TARGET_OS).go
endif
.PHONY: lint-copyright
lint-copyright:
hack/copyright.sh
.PHONY: lint-go
lint-go: GOLANGCI_LINT_FLAGS ?=
lint-go: .k0sbuild.docker-image.k0s go.sum bindata
CGO_ENABLED=0 $(GO) install github.com/golangci/golangci-lint/cmd/golangci-lint@v$(golangci-lint_version)
CGO_CFLAGS='$(BUILD_CGO_CFLAGS)' $(GO_ENV) golangci-lint run --verbose --build-tags=$(subst $(space),$(comma),$(BUILD_GO_TAGS)) $(GOLANGCI_LINT_FLAGS) $(GO_LINT_DIRS)
.PHONY: lint
lint: lint-copyright lint-go
airgap-images.txt: k0s .k0sbuild.docker-image.k0s
$(GO_ENV) ./k0s airgap list-images --all > '$@'
airgap-image-bundle-linux-amd64.tar: TARGET_PLATFORM := linux/amd64
airgap-image-bundle-linux-arm64.tar: TARGET_PLATFORM := linux/arm64
airgap-image-bundle-linux-arm.tar: TARGET_PLATFORM := linux/arm/v7
airgap-image-bundle-linux-amd64.tar \
airgap-image-bundle-linux-arm64.tar \
airgap-image-bundle-linux-arm.tar: .k0sbuild.image-bundler.stamp airgap-images.txt
docker run --rm -i --privileged \
-e TARGET_PLATFORM='$(TARGET_PLATFORM)' \
'$(shell cat .k0sbuild.image-bundler.stamp)' < airgap-images.txt > '$@'
.k0sbuild.image-bundler.stamp: hack/image-bundler/* embedded-bins/Makefile.variables
docker build --progress=plain --iidfile '$@' \
--build-arg ALPINE_VERSION=$(alpine_patch_version) \
-t k0sbuild.image-bundler -- hack/image-bundler
.PHONY: $(smoketests)
check-airgap check-ap-airgap: airgap-image-bundle-linux-$(HOST_ARCH).tar
$(smoketests): k0s
$(MAKE) -C inttest K0S_IMAGES_BUNDLE='$(CURDIR)/airgap-image-bundle-linux-$(HOST_ARCH).tar' $@
.PHONY: smoketests
smoketests: $(smoketests)
.PHONY: check-unit
ifneq (, $(filter $(HOST_ARCH), arm))
check-unit: GO_TEST_RACE ?=
else
check-unit: GO_TEST_RACE ?= -race
endif
check-unit: BUILD_GO_TAGS += hack
check-unit: .k0sbuild.docker-image.k0s go.sum bindata
CGO_CFLAGS='$(BUILD_CGO_CFLAGS)' $(GO) test -tags=$(subst $(space),$(comma),$(BUILD_GO_TAGS)) $(GO_TEST_RACE) -ldflags='$(LD_FLAGS)' `$(GO) list -tags=$(subst $(space),$(comma),$(BUILD_GO_TAGS)) $(GO_CHECK_UNIT_DIRS)`
.PHONY: clean-gocache
clean-gocache:
-chmod -R u+w -- '$(K0S_GO_BUILD_CACHE)/go/mod'
rm -rf -- '$(K0S_GO_BUILD_CACHE)/go'
.PHONY: clean-docker-image
clean-docker-image: IID_FILES = .k0sbuild.docker-image.k0s
clean-docker-image:
$(clean-iid-files)
.PHONY: clean-airgap-image-bundles
clean-airgap-image-bundles: IID_FILES = .k0sbuild.image-bundler.stamp
clean-airgap-image-bundles:
$(clean-iid-files)
-rm airgap-images.txt
-rm airgap-image-bundle-linux-amd64.tar airgap-image-bundle-linux-arm64.tar airgap-image-bundle-linux-arm.tar
.PHONY: clean
clean: clean-gocache clean-docker-image clean-airgap-image-bundles
-rm -f pkg/assets/zz_generated_offsets_*.go k0s k0s.exe .bins.*stamp bindata*
-rm -rf $(K0S_GO_BUILD_CACHE)
-find pkg/apis -type f -name .controller-gen.stamp -delete
-rm pkg/client/clientset/.client-gen.stamp
-rm -f hack/.copyright.stamp
-$(MAKE) -C docs clean
-$(MAKE) -C embedded-bins clean
-$(MAKE) -C inttest clean
.PHONY: docs
docs:
$(MAKE) -C docs
.PHONY: docs-serve-dev
docs-serve-dev: DOCS_DEV_PORT ?= 8000
docs-serve-dev:
$(MAKE) -C docs .docker-image.serve-dev.stamp
docker run --rm \
-e KUBERNETES_VERSION='$(kubernetes_version)' \
-v "$(CURDIR):/k0s:ro" \
-p '$(DOCS_DEV_PORT):8000' \
k0sdocs.docker-image.serve-dev
sbom/spdx.json: go.mod
mkdir -p -- '$(dir $@)'
docker run --rm \
-v "$(CURDIR)/go.mod:/k0s/go.mod" \
-v "$(CURDIR)/embedded-bins/staging/linux/bin:/k0s/bin" \
-v "$(CURDIR)/syft.yaml:/tmp/syft.yaml" \
-v "$(CURDIR)/sbom:/out" \
--user $(BUILD_UID):$(BUILD_GID) \
anchore/syft:v0.90.0 \
/k0s -o [email protected]=/out/spdx.json -c /tmp/syft.yaml
.PHONY: sign-sbom
sign-sbom: sbom/spdx.json
docker run --rm \
-v "$(CURDIR):/k0s" \
-v "$(CURDIR)/sbom:/out" \
-e COSIGN_PASSWORD="$(COSIGN_PASSWORD)" \
ghcr.io/sigstore/cosign/cosign:v2.3.0 \
sign-blob \
--key /k0s/cosign.key \
--tlog-upload=false \
/k0s/sbom/spdx.json --output-file /out/spdx.json.sig
.PHONY: sign-pub-key
sign-pub-key:
docker run --rm \
-v "$(CURDIR):/k0s" \
-v "$(CURDIR)/sbom:/out" \
-e COSIGN_PASSWORD="$(COSIGN_PASSWORD)" \
ghcr.io/sigstore/cosign/cosign:v2.3.0 \
public-key \
--key /k0s/cosign.key --output-file /out/cosign.pub