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Makefile
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Makefile
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# Copyright 2016 The Kubernetes Authors All rights reserved.
#
# 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.
VERSION ?= $(shell git describe --tags --always --dirty)
REGISTRY ?= gcr.io/k8s-staging-dns
ARCH ?= amd64
DNSMASQ_VERSION ?= dnsmasq-2.90
CONTAINER_PREFIX ?= k8s-dns
ALL_ARCH := amd64 arm arm64 ppc64le s390x
MANIFEST_IMAGE := $(REGISTRY)/$(CONTAINER_PREFIX)-dnsmasq
IMAGE := $(CONTAINER_PREFIX)-dnsmasq-$(ARCH)
COMPILE_IMAGE := registry.k8s.io/kube-cross:v1.7.6-k8s1.6-0
OUTPUT_DIR := _output/$(ARCH)
# Ensure that the docker command line supports the manifest images
export DOCKER_CLI_EXPERIMENTAL=enabled
# Multiarch image
# Uploaded: Nov 12, 2024, 4:43:54 PM
BASEIMAGE ?= gcr.io/distroless/base-debian12@sha256:7a4bffcb07307d97aa731b50cb6ab22a68a8314426f4e4428335939b5b1943a5
ifeq ($(ARCH),amd64)
COMPILE_IMAGE := registry.k8s.io/build-image/debian-base-$(ARCH):bullseye-v1.4.1
else ifeq ($(ARCH),arm)
TRIPLE ?= arm-linux-gnueabihf
QEMUARCH := arm
else ifeq ($(ARCH),arm64)
TRIPLE ?= aarch64-linux-gnu
QEMUARCH := aarch64
else ifeq ($(ARCH),ppc64le)
TRIPLE ?= powerpc64le-linux-gnu
QEMUARCH := ppc64le
else ifeq ($(ARCH),s390x)
TRIPLE ?= s390x-linux-gnu
QEMUARCH := s390x
else
$(error Unsupported ARCH: $(ARCH))
endif
DNSMASQ_URL := http://www.thekelleys.org.uk/dnsmasq/$(DNSMASQ_VERSION).tar.xz
# SHA-256 computed from GPG-verified download:
# $ gpg --recv-keys --keyserver keyring.debian.org D6EACBD6EE46B834248D111215CDDA6AE19135A2
# ...
# $ gpg --verify dnsmasq-2.90.tar.xz.asc dnsmasq-2.90.tar.xz
# $ gpg: Signature made Tue 13 Feb 2024 01:50:43 PM UTC
# $ gpg: using RSA key D6EACBD6EE46B834248D111215CDDA6AE19135A2
# $ gpg: Good signature from "Simon Kelley <[email protected]>" [unknown]
# $ gpg: aka "Simon Kelley <[email protected]>" [unknown]
# $ gpg: WARNING: This key is not certified with a trusted signature!
# ...
# $ sha256sum dnsmasq-2.90.tar.xz
DNSMASQ_SHA256 := 8e50309bd837bfec9649a812e066c09b6988b73d749b7d293c06c57d46a109e4
DNSMASQ_ARCHIVE := $(OUTPUT_DIR)/dnsmasq.tar.xz
MULTIARCH_CONTAINER := multiarch/qemu-user-static:register
MULTIARCH_RELEASE := https://github.com/multiarch/qemu-user-static/releases/download/v5.2.0-11/x86_64_qemu-$(QEMUARCH)-static.tar.gz
PATCHES := $(shell find patches/ -name *.patch)
BINARY := $(OUTPUT_DIR)/docker/dnsmasq
BUILDSTAMP := $(subst :,_,$(subst /,_,$(REGISTRY))_$(IMAGE)_$(VERSION))
CONTAINER_STAMP := .$(BUILDSTAMP)-container
PUSH_STAMP := .$(BUILDSTAMP)-push
ifeq ($(VERBOSE), 1)
VERBOSE_OUTPUT := >&1
else
VERBOSE_OUTPUT := >/dev/null 2>/dev/null
endif
all: build
build-%:
@$(MAKE) --no-print-directory ARCH=$* build
containers-%:
@$(MAKE) --no-print-directory ARCH=$* containers
test-%:
@$(MAKE) --no-print-directory ARCH=$* test
push-%:
@$(MAKE) --no-print-directory ARCH=$* push
.PHONY: all-build
all-build: $(addprefix build-, $(ALL_ARCH))
.PHONY: all-containers
all-containers: $(addprefix containers-, $(ALL_ARCH))
.PHONY: all-test
all-test: $(addprefix test-, $(ALL_ARCH))
.PHONY: all-push
all-push: $(addprefix push-, $(ALL_ARCH))
docker manifest create --amend $(MANIFEST_IMAGE):$(VERSION) $(shell echo $(ALL_ARCH) | sed -e "s~[^ ]*~$(MANIFEST_IMAGE)\-&:$(VERSION)~g")
@for arch in $(ALL_ARCH); do docker manifest annotate --arch $${arch} ${MANIFEST_IMAGE}:${VERSION} ${MANIFEST_IMAGE}-$${arch}:${VERSION}; done
docker manifest push --purge ${MANIFEST_IMAGE}:${VERSION}
.PHONY: build
build: $(BINARY)
$(BINARY): Dockerfile.cross $(DNSMASQ_ARCHIVE) $(PATCHES) dnsmasq.conf
@echo "building :" $(BINARY)
@mkdir -p $(@D)
@mkdir -p $(@D)/docker
@cp Dockerfile.cross $(OUTPUT_DIR)/docker/Dockerfile
@cd $(OUTPUT_DIR)/docker && sed -i- "s|__BASEIMAGE__|$(BASEIMAGE)|g" Dockerfile && rm Dockerfile-
@cd $(OUTPUT_DIR) && tar -xJf dnsmasq.tar.xz
@for patch in $(PATCHES); do patch -p0 -d $(OUTPUT_DIR)/$(DNSMASQ_VERSION) < $${patch}; done
@cp dnsmasq.conf $(OUTPUT_DIR)/docker
ifeq ($(ARCH),amd64)
@cd $(OUTPUT_DIR)/docker && \
sed -i- "/__CROSS_BUILD_COPY__/d" Dockerfile && rm Dockerfile-
@docker pull $(COMPILE_IMAGE)
@docker run --rm --sig-proxy=true \
-v `pwd`/$(OUTPUT_DIR):/build \
-v `pwd`:/src \
$(COMPILE_IMAGE) \
/bin/sh -c \
"apt-get update \
&& apt-get -y install build-essential \
&& cd /build/$(DNSMASQ_VERSION) \
&& make -j \
&& cp src/dnsmasq /build/docker/dnsmasq" $(VERBOSE_OUTPUT)
else
@cd $(OUTPUT_DIR)/docker \
&& sed -i- "s|__ARCH__|$(QEMUARCH)|g" Dockerfile && rm Dockerfile- \
&& sed -i- "s/__CROSS_BUILD_COPY__/COPY/g" Dockerfile && rm Dockerfile-
@cd $(OUTPUT_DIR)/docker \
&& curl -sSL $(MULTIARCH_RELEASE) | tar -xz
@docker run --sig-proxy=true --rm \
--privileged $(MULTIARCH_CONTAINER) \
--reset $(VERBOSE_OUTPUT)
@docker pull $(COMPILE_IMAGE)
@docker run --rm --sig-proxy=true \
-v `pwd`/$(OUTPUT_DIR):/build \
-v `pwd`:/src \
$(COMPILE_IMAGE) \
/bin/bash -c \
"cd /build/$(DNSMASQ_VERSION) \
&& CC=$(TRIPLE)-gcc make -j \
&& cp src/dnsmasq /build/docker/dnsmasq" $(VERBOSE_OUTPUT)
endif
$(DNSMASQ_ARCHIVE):
@mkdir -p $(@D)
@curl -sSL $(DNSMASQ_URL) > $@
@echo "$(DNSMASQ_SHA256) $(DNSMASQ_ARCHIVE)" > $(@D)/sha256.txt
@sha256sum -c $(@D)/sha256.txt
.PHONY: containers
containers: $(CONTAINER_STAMP)
$(CONTAINER_STAMP): $(BINARY)
@echo "container:" $(REGISTRY)/$(IMAGE):$(VERSION)
@docker buildx build --pull --load --platform linux/$(ARCH) \
-q -t $(REGISTRY)/$(IMAGE):$(VERSION) $(OUTPUT_DIR)/docker > $@
.PHONY: test
test: containers
@ARCH=$(ARCH) IMAGE=$(REGISTRY)/$(IMAGE):$(VERSION) ./validate.sh
.PHONY: push
push: $(PUSH_STAMP)
$(PUSH_STAMP): $(CONTAINER_STAMP)
@echo "pushing :" $(REGISTRY)/$(IMAGE):$(VERSION)
@docker push $(REGISTRY)/$(IMAGE):$(VERSION)
@cat $< > $@
.PHONY: clean
clean:
rm -f .*-container
rm -f .*-push
rm -rf _output/
.PHONY: version
version:
@echo $(VERSION)