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Makefile
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include embedded-bins/Makefile.variables
include inttest/Makefile.variables
include hack/tools/Makefile.variables
GO_SRCS := $(shell find . -type f -name '*.go' -not -path './build/cache/*' -not -path './inttest/*' -not -name '*_test.go' -not -name 'zz_generated*')
GO_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 its built on mac or windows
TARGET_OS ?= linux
BUILD_UID ?= $(shell id -u)
BUILD_GID ?= $(shell id -g)
BUILD_GO_FLAGS := -tags osusergo
BUILD_GO_LDFLAGS_EXTRA :=
DEBUG ?= false
VERSION ?= $(shell git describe --tags)
ifeq ($(DEBUG), false)
LD_FLAGS ?= -w -s
endif
KUBECTL_VERSION = $(shell go mod graph | grep "github.com/k0sproject/k0s" | grep kubectl | cut -d "@" -f 2 | sed "s/v0\./1./")
KUBECTL_MAJOR= $(shell echo ${KUBECTL_VERSION} | cut -d "." -f 1)
KUBECTL_MINOR= $(shell echo ${KUBECTL_VERSION} | cut -d "." -f 2)
# https://reproducible-builds.org/docs/source-date-epoch/#makefile
# https://reproducible-builds.org/docs/source-date-epoch/#git
# https://stackoverflow.com/a/15103333
BUILD_DATE_FMT = %Y-%m-%dT%H:%M:%SZ
ifdef SOURCE_DATE_EPOCH
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)")
else
BUILD_DATE ?= $(shell TZ=UTC git log -1 --pretty=%cd --date='format-local:$(BUILD_DATE_FMT)' || date -u +$(BUILD_DATE_FMT))
endif
LD_FLAGS += -X github.com/k0sproject/k0s/pkg/build.Version=$(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$(KUBECTL_VERSION)
LD_FLAGS += -X k8s.io/component-base/version.gitMajor=$(KUBECTL_MAJOR)
LD_FLAGS += -X k8s.io/component-base/version.gitMinor=$(KUBECTL_MINOR)
LD_FLAGS += -X k8s.io/component-base/version.buildDate=$(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)
LD_FLAGS += -X github.com/containerd/containerd/version.Revision=$(shell ./embedded-bins/staging/linux/bin/containerd --version | awk '{print $$4}')
endif
LD_FLAGS += $(BUILD_GO_LDFLAGS_EXTRA)
GOLANG_IMAGE ?= golang:$(go_version)-alpine3.16
GO_ENV ?= docker run --rm \
-v '$(CURDIR)/build/cache':/run/k0s-build \
-v '$(CURDIR)':/go/src/github.com/k0sproject/k0s \
-w /go/src/github.com/k0sproject/k0s \
-e GOOS \
-e CGO_ENABLED \
-e GOARCH \
--user $(BUILD_UID):$(BUILD_GID) \
k0sbuild.docker-image.k0s
GO ?= $(GO_ENV) go
.PHONY: build
ifeq ($(TARGET_OS),windows)
build: k0s.exe
else
BUILD_GO_LDFLAGS_EXTRA = -extldflags=-static
build: k0s
endif
.PHONY: all
all: k0s k0s.exe
build/cache:
mkdir -p -- '$@'
.k0sbuild.docker-image.k0s: build/Dockerfile embedded-bins/Makefile.variables | build/cache
docker build --rm \
--build-arg BUILDIMAGE=$(GOLANG_IMAGE) \
-f build/Dockerfile \
-t k0sbuild.docker-image.k0s build/
touch $@
go.sum: go.mod .k0sbuild.docker-image.k0s
$(GO) mod tidy && touch -c -- '$@'
codegen_targets += pkg/apis/helm.k0sproject.io/v1beta1/.controller-gen.stamp
pkg/apis/helm.k0sproject.io/v1beta1/.controller-gen.stamp: $(shell find pkg/apis/helm.k0sproject.io/v1beta1/ -maxdepth 1 -type f -name \*.go)
pkg/apis/helm.k0sproject.io/v1beta1/.controller-gen.stamp: gen_output_dir = helm
codegen_targets += pkg/apis/k0s.k0sproject.io/v1beta1/.controller-gen.stamp
pkg/apis/k0s.k0sproject.io/v1beta1/.controller-gen.stamp: $(shell find pkg/apis/k0s.k0sproject.io/v1beta1/ -maxdepth 1 -type f -name \*.go)
pkg/apis/k0s.k0sproject.io/v1beta1/.controller-gen.stamp: gen_output_dir = v1beta1
codegen_targets += pkg/apis/autopilot.k0sproject.io/v1beta2/.controller-gen.stamp
pkg/apis/autopilot.k0sproject.io/v1beta2/.controller-gen.stamp: $(shell find pkg/apis/autopilot.k0sproject.io/v1beta2/ -maxdepth 1 -type f -name \*.go)
pkg/apis/autopilot.k0sproject.io/v1beta2/.controller-gen.stamp: gen_output_dir = autopilot
pkg/apis/%/.controller-gen.stamp: .k0sbuild.docker-image.k0s hack/tools/Makefile.variables
rm -rf 'static/manifests/$(gen_output_dir)/CustomResourceDefinition'
rm -f -- '$(dir $@)'zz_*.go
CGO_ENABLED=0 $(GO) install sigs.k8s.io/controller-tools/cmd/controller-gen@v$(controller-gen_version)
$(GO_ENV) controller-gen \
crd \
paths="./$(dir $@)..." \
output:crd:artifacts:config=./static/manifests/$(gen_output_dir)/CustomResourceDefinition \
object
touch -- '$@'
# Note: k0s.k0sproject.io omits the version from the output directory, so this needs
# special handling until this versioning layout is fixed.
codegen_targets += pkg/apis/k0s.k0sproject.io/v1beta1/.client-gen.stamp
pkg/apis/k0s.k0sproject.io/v1beta1/.client-gen.stamp: $(shell find pkg/apis/k0s.k0sproject.io/v1beta1/ -maxdepth 1 -type f -name \*.go -not -name zz_\*.go)
pkg/apis/k0s.k0sproject.io/v1beta1/.client-gen.stamp: groupver = k0s.k0sproject.io/v1beta1
pkg/apis/k0s.k0sproject.io/v1beta1/.client-gen.stamp: gen_output_dir = k0s.k0sproject.io
codegen_targets += pkg/apis/autopilot.k0sproject.io/v1beta2/.client-gen.stamp
pkg/apis/autopilot.k0sproject.io/v1beta2/.client-gen.stamp: $(shell find pkg/apis/autopilot.k0sproject.io/v1beta2/ -maxdepth 1 -type f -name \*.go -not -name zz_\*.go)
pkg/apis/autopilot.k0sproject.io/v1beta2/.client-gen.stamp: groupver = autopilot.k0sproject.io/v1beta2
pkg/apis/autopilot.k0sproject.io/v1beta2/.client-gen.stamp: gen_output_dir = $(groupver)
pkg/apis/%/.client-gen.stamp: .k0sbuild.docker-image.k0s hack/tools/boilerplate.go.txt embedded-bins/Makefile.variables
rm -rf 'pkg/apis/$(gen_output_dir)/clientset/'
CGO_ENABLED=0 $(GO) install k8s.io/code-generator/cmd/client-gen@v$(patsubst 1.%,0.%,$(kubernetes_version))
$(GO_ENV) client-gen \
--go-header-file hack/tools/boilerplate.go.txt \
--input=$(groupver) \
--input-base github.com/k0sproject/k0s/pkg/apis \
--clientset-name=clientset \
--output-package=github.com/k0sproject/k0s/pkg/apis/$(gen_output_dir)/
touch -- '$@'
codegen_targets += static/gen_manifests.go
static/gen_manifests.go: .k0sbuild.docker-image.k0s hack/tools/Makefile.variables
static/gen_manifests.go: $(shell find static/manifests -type f)
CGO_ENABLED=0 $(GO) install github.com/kevinburke/go-bindata/go-bindata@v$(go-bindata_version)
$(GO_ENV) go-bindata -o static/gen_manifests.go -pkg static -prefix static static/...
codegen_targets += pkg/assets/zz_generated_offsets_$(TARGET_OS).go
zz_os = $(patsubst pkg/assets/zz_generated_offsets_%.go,%,$@)
print_empty_generated_offsets = printf "%s\n\n%s\n%s\n" \
"package assets" \
"var BinData = map[string]struct{ offset, size int64 }{}" \
"var BinDataSize int64"
ifeq ($(EMBEDDED_BINS_BUILDMODE),none)
pkg/assets/zz_generated_offsets_linux.go pkg/assets/zz_generated_offsets_windows.go:
rm -f bindata_$(zz_os) && touch bindata_$(zz_os)
$(print_empty_generated_offsets) > $@
else
pkg/assets/zz_generated_offsets_linux.go: .bins.linux.stamp
pkg/assets/zz_generated_offsets_windows.go: .bins.windows.stamp
pkg/assets/zz_generated_offsets_linux.go pkg/assets/zz_generated_offsets_windows.go: .k0sbuild.docker-image.k0s go.sum
GOOS=${GOHOSTOS} $(GO) run hack/gen-bindata/main.go -o bindata_$(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
# needed for unit tests on macos
pkg/assets/zz_generated_offsets_darwin.go:
$(print_empty_generated_offsets) > $@
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_SRCS) $(codegen_targets) go.sum
CGO_ENABLED=$(BUILD_GO_CGO_ENABLED) GOOS=$(TARGET_OS) $(GO) build $(BUILD_GO_FLAGS) -ldflags='$(LD_FLAGS)' -o [email protected] main.go
cat [email protected] bindata_$(TARGET_OS) > [email protected] \
&& rm -f [email protected] \
&& chmod +x [email protected] \
&& mv [email protected] $@
.bins.windows.stamp .bins.linux.stamp: embedded-bins/Makefile.variables
$(MAKE) -C embedded-bins buildmode=$(EMBEDDED_BINS_BUILDMODE) TARGET_OS=$(patsubst .bins.%.stamp,%,$@)
touch $@
.PHONY: codegen
codegen: $(codegen_targets)
# bindata contains the parts of codegen which aren't version controlled.
.PHONY: bindata
bindata: static/gen_manifests.go pkg/assets/zz_generated_offsets_$(TARGET_OS).go
.PHONY: lint
lint: .k0sbuild.docker-image.k0s go.sum codegen
CGO_ENABLED=0 $(GO) install github.com/golangci/golangci-lint/cmd/golangci-lint@v$(golangci-lint_version)
$(GO_ENV) golangci-lint run --verbose $(GO_DIRS)
.PHONY: $(smoketests)
check-airgap check-ap-airgap: image-bundle/bundle.tar
$(smoketests): k0s
$(MAKE) -C inttest $@
.PHONY: smoketests
smoketests: $(smoketests)
.PHONY: check-unit
check-unit: GO_TEST_RACE ?= -race
check-unit: go.sum codegen
$(GO) test $(GO_TEST_RACE) -ldflags='$(LD_FLAGS)' `$(GO) list $(GO_DIRS)`
.PHONY: check-image-validity
check-image-validity: go.sum
$(GO) run hack/validate-images/main.go -architectures amd64,arm64,arm
.PHONY: clean-gocache
clean-gocache:
-find build/cache/go/mod -type d -exec chmod u+w '{}' \;
rm -rf build/cache/go
clean-docker-image:
-docker rmi k0sbuild.docker-image.k0s -f
-rm -f .k0sbuild.docker-image.k0s
.PHONY: clean
clean: clean-gocache clean-docker-image
-rm -f pkg/assets/zz_generated_offsets_*.go k0s k0s.exe .bins.*stamp bindata* static/gen_manifests.go
-rm -rf build/cache
-find pkg/apis -type f \( -name .client-gen.stamp -or -name .controller-gen.stamp \) -delete
-$(MAKE) -C docs clean
-$(MAKE) -C embedded-bins clean
-$(MAKE) -C image-bundle clean
-$(MAKE) -C inttest clean
.PHONY: manifests
manifests: .helmCRD .cfgCRD
.PHONY: .helmCRD
image-bundle/image.list: k0s
./k0s airgap list-images > image-bundle/image.list
image-bundle/bundle.tar: image-bundle/image.list
$(MAKE) -C image-bundle bundle.tar
.PHONY: docs
docs:
$(MAKE) -C docs
DOCS_DEV_PORT = 8000
.PHONY: docs-serve-dev
docs-serve-dev:
$(MAKE) -C docs .docker-image.serve-dev.stamp
docker run --rm \
-v "$(CURDIR):/docs:ro" \
-w /docs \
-p '$(DOCS_DEV_PORT):8000' \
k0sdocs.docker-image.serve-dev