| # Copyright 2016 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. |
| |
| .PHONY: all container clean orphan all-push push-manifest |
| |
| REGISTRY ?= staging-k8s.gcr.io |
| IMAGE = $(REGISTRY)/pause |
| |
| TAG ?= 3.9 |
| REV = $(shell git describe --contains --always --match='v*') |
| |
| # Architectures supported: amd64, arm, arm64, ppc64le and s390x |
| ARCH ?= amd64 |
| # Operating systems supported: linux, windows |
| OS ?= linux |
| # OS Version for the Windows images: 1809, ltsc2022 |
| OSVERSION ?= 1809 ltsc2022 |
| |
| # The output type could either be docker (local), or registry. |
| # If it is registry, it will also allow us to push the Windows images. |
| OUTPUT_TYPE ?= docker |
| |
| ALL_OS = linux windows |
| ALL_ARCH.linux = amd64 arm arm64 ppc64le s390x |
| ALL_OS_ARCH.linux = $(foreach arch, ${ALL_ARCH.linux}, linux-$(arch)) |
| ALL_ARCH.windows = amd64 |
| ALL_OSVERSIONS.windows := 1809 ltsc2022 |
| ALL_OS_ARCH.windows = $(foreach arch, $(ALL_ARCH.windows), $(foreach osversion, ${ALL_OSVERSIONS.windows}, windows-$(arch)-${osversion})) |
| ALL_OS_ARCH = $(foreach os, $(ALL_OS), ${ALL_OS_ARCH.${os}}) |
| |
| CFLAGS = -Os -Wall -Werror -static -DVERSION=v$(TAG)-$(REV) |
| KUBE_CROSS_IMAGE ?= registry.k8s.io/build-image/kube-cross |
| KUBE_CROSS_VERSION ?= $(shell cat ../build-image/cross/VERSION) |
| |
| # NOTE(claudiub): The Windows pause image also requires the wincat binary we're compiling for the |
| # port-forwarding scenarios. If it's no longer necessary, it can be removed. |
| # For more information, see: https://github.com/kubernetes/kubernetes/pull/91452 |
| BIN.linux = pause |
| BIN.windows = pause wincat |
| BIN := ${BIN.${OS}} |
| SRCS.linux = linux/pause.c |
| SRCS.windows = windows/pause.c |
| SRCS := ${SRCS.${OS}} |
| |
| EXTENSION.linux = |
| EXTENSION.windows = .exe |
| EXTENSION := ${EXTENSION.${OS}} |
| |
| # The manifest command is still experimental as of Docker 18.09.3 |
| export DOCKER_CLI_EXPERIMENTAL=enabled |
| |
| TRIPLE.windows-amd64 := x86_64-w64-mingw32 |
| TRIPLE.linux-amd64 := x86_64-linux-gnu |
| TRIPLE.linux-arm := arm-linux-gnueabihf |
| TRIPLE.linux-arm64 := aarch64-linux-gnu |
| TRIPLE.linux-ppc64le := powerpc64le-linux-gnu |
| TRIPLE.linux-s390x := s390x-linux-gnu |
| TRIPLE := ${TRIPLE.${OS}-${ARCH}} |
| BASE.linux := scratch |
| # Source for windows pause image base is located at https://github.com/microsoft/windows-pause-image-base |
| BASE.windows := mcr.microsoft.com/oss/kubernetes/windows-pause-image-base:v0.2 |
| BASE := ${BASE.${OS}} |
| |
| # If you want to build AND push all containers, see the 'all-push' rule. |
| all: all-container-docker |
| |
| # NOTE(claudiub): A non-default builder instance is needed in order to build Windows images. |
| all-push: all-container-registry push-manifest |
| |
| push-manifest: SHELL:=/bin/bash |
| push-manifest: |
| docker manifest create --amend $(IMAGE):$(TAG) $(shell echo $(ALL_OS_ARCH) | sed -e "s~[^ ]*~$(IMAGE):$(TAG)\-&~g") |
| set -x; for arch in $(ALL_ARCH.linux); do docker manifest annotate --os linux --arch $${arch} ${IMAGE}:${TAG} ${IMAGE}:${TAG}-linux-$${arch}; done |
| # For Windows images, we also need to include the "os.version" in the manifest list, so the Windows node can pull the proper image it needs. |
| # we use awk to also trim the quotes around the OS version string. |
| set -x; \ |
| # tagToKernelVersionMap maps the container images tags for different Windows Server releases (ex: ltsc2022 for Windows Server 2022) |
| # to the kernel version for that OS release (ex: 20348 for Windows Server 2022). This is needed to fetch the servicing revision from the |
| # pause base image manifest (which containers an entry for each Windows Server version) so we can add the approrite 'os.version' |
| # field to the pause image manifest. |
| declare -A tagToKernelVersionMap=( ['1809']='17763' ['ltsc2022']='20348' );\ |
| for arch in $(ALL_ARCH.windows); do \ |
| for osversion in ${ALL_OSVERSIONS.windows}; do \ |
| full_version=`docker manifest inspect ${BASE.windows} | grep "10.0.$${tagToKernelVersionMap[$$osversion]}" | head -n 1 | awk -F\" '{print $$4}'` || true; \ |
| docker manifest annotate --os windows --arch $${arch} --os-version $${full_version} ${IMAGE}:${TAG} ${IMAGE}:${TAG}-windows-$${arch}-$${osversion}; \ |
| done; \ |
| done |
| docker manifest push --purge ${IMAGE}:${TAG} |
| |
| all-container-docker: $(addprefix sub-container-docker-,$(ALL_OS_ARCH.linux)) |
| all-container-registry: $(addprefix sub-container-registry-,$(ALL_OS_ARCH)) |
| |
| # split words on hyphen, access by 1-index |
| word-hyphen = $(word $2,$(subst -, ,$1)) |
| sub-container-%: |
| $(MAKE) OUTPUT_TYPE=$(call word-hyphen,$*,1) OS=$(call word-hyphen,$*,2) ARCH=$(call word-hyphen,$*,3) OSVERSION=$(call word-hyphen,$*,4) container |
| |
| build: $(foreach binary, ${BIN}, bin/${binary}-${OS}-${ARCH}) |
| |
| bin/${BIN.linux}-$(OS)-$(ARCH): $(SRCS) |
| mkdir -p bin |
| docker run --rm -u $$(id -u):$$(id -g) -v $$(pwd):/build \ |
| $(KUBE_CROSS_IMAGE):$(KUBE_CROSS_VERSION) \ |
| /bin/bash -c "\ |
| cd /build && \ |
| $(TRIPLE)-gcc $(CFLAGS) -o $@ $^ && \ |
| $(TRIPLE)-strip $(foreach binary, $@, ${binary}${EXTENSION})" |
| |
| bin/wincat-windows-${ARCH}: windows/wincat/wincat.go |
| CGO_ENABLED=0 GOOS=windows GOARCH=${ARCH} go build -o $@ $^ |
| |
| container: .container-${OS}-$(ARCH) |
| .container-linux-$(ARCH): bin/$(BIN)-$(OS)-$(ARCH) |
| docker buildx build --provenance=false --sbom=false --pull --output=type=${OUTPUT_TYPE} --platform ${OS}/$(ARCH) \ |
| -t $(IMAGE):$(TAG)-${OS}-$(ARCH) --build-arg BASE=${BASE} --build-arg ARCH=$(ARCH) . |
| touch $@ |
| |
| .container-windows-$(ARCH): $(foreach binary, ${BIN}, bin/${binary}-${OS}-${ARCH}) |
| docker buildx build --provenance=false --sbom=false --pull --output=type=${OUTPUT_TYPE} --platform ${OS}/$(ARCH) \ |
| -t $(IMAGE):$(TAG)-${OS}-$(ARCH)-${OSVERSION} --build-arg BASE=${BASE}-windows-${OSVERSION}-${ARCH} --build-arg ARCH=$(ARCH) -f Dockerfile_windows . |
| touch $@ |
| |
| # Useful for testing, not automatically included in container image |
| orphan: bin/orphan-linux-$(ARCH) |
| bin/orphan-linux-$(ARCH): linux/orphan.c |
| mkdir -p bin |
| docker run --rm -u $$(id -u):$$(id -g) -v $$(pwd):/build \ |
| $(KUBE_CROSS_IMAGE):$(KUBE_CROSS_VERSION) \ |
| /bin/bash -c "\ |
| cd /build && \ |
| $(TRIPLE)-gcc $(CFLAGS) -o $@ $^ && \ |
| $(TRIPLE)-strip $@" |
| |
| clean: |
| rm -rf .*container-* .push-* bin/ |