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# Makefile for creating and uploading CoreDNS docker image.
#
# First you should do a release and then call this Makefile to create and upload
# the image.
#
# 1. Reuse the issue for this release
# 2. In an issue give the command: /docker VERSION
# Where VERSION is the version of the release.
# 3. (to test as release /docker -t VERSION can be used.
#
# To release we run, these target from the this Makefile.docker ordered like:
# * make release
# * make docker-push
#
# Testing docker is done e.g. via:
#
# export DOCKER_PASSWORD=<pass>
# export DOCKER_LOGIN=miek
# make VERSION=x.y.z DOCKER=miek -f Makefile.docker release docker-push
ifeq (, $(shell which curl))
$(error "No curl in $$PATH, please install")
endif
ifeq (, $(shell which jq))
$(error "No jq in $$PATH, please install")
endif
# VERSION is the version we should download and use.
VERSION:=
# DOCKER is the docker image repo we need to push to.
DOCKER:=
NAME:=coredns
GITHUB:=https://github.com/coredns/coredns/releases/download
# mips is not in LINUX_ARCH because it's not supported by docker manifest. Keep this list in sync with the one in Makefile.release
LINUX_ARCH:=amd64 arm arm64 mips64le ppc64le s390x
DOCKER_IMAGE_NAME:=$(DOCKER)/$(NAME)
DOCKER_IMAGE_LIST_VERSIONED:=$(shell echo $(LINUX_ARCH) | sed -e "s~[^ ]*~$(DOCKER_IMAGE_NAME):&\-$(VERSION)~g")
all:
@echo Use the 'release' target to download released binaries and build containers per arch, 'docker-push' to build and push a multi arch manifest.
echo $(DOCKER_IMAGE_LIST_VERSIONED)
echo $(DOCKER_IMAGE_LIST_LATEST)
release: image-download docker-build
.PHONY: image-download
image-download:
ifeq ($(VERSION),)
$(error "Please specify a version use. Use VERSION=<version>")
endif
@# 0. Check until all asset are alive, up to 10 min (asset may not be alive immediately after upload)
try_max=20; try_sleep=30; \
for arch in $(LINUX_ARCH); do \
asset=coredns_$(VERSION)_linux_$${arch}.tgz; \
for i in $$(seq 1 $$try_max ); do \
if [ $$(curl -I -L -s -o /dev/null -w "%{http_code}" $(GITHUB)/v$(VERSION)/$$asset) -eq 200 ]; then \
echo "$$asset is live" ; break; \
else \
echo "$$asset is not live yet..." ; sleep $$try_sleep ; \
fi ; \
done ; \
if [ $$i -eq $$try_max ]; then \
echo "$$asset is not live after $$try_max tries" ; exit 1; \
fi ; \
done
@rm -rf build/docker
@mkdir -p build/docker
@# 1. Copy appropriate coredns binary to build/docker/<arch>
@# 2. Copy Dockerfile into the correct dir as well.
@# 3. Unpack the tgz from github into 'coredns' binary.
for arch in $(LINUX_ARCH); do \
mkdir build/docker/$${arch}; \
curl -L $(GITHUB)/v$(VERSION)/coredns_$(VERSION)_linux_$${arch}.tgz > build/docker/$${arch}/coredns.tgz && \
( cd build/docker/$${arch}; tar xf coredns.tgz && rm coredns.tgz ); \
cp Dockerfile build/docker/$${arch} ; \
done
.PHONY: docker-build
docker-build:
ifeq ($(DOCKER),)
$(error "Please specify Docker registry to use. Use DOCKER=coredns for releases")
else
docker version
for arch in $(LINUX_ARCH); do \
docker build -t $(DOCKER_IMAGE_NAME):$${arch}-$(VERSION) build/docker/$${arch} ;\
done
endif
.PHONY: docker-push
docker-push:
ifeq ($(DOCKER),)
$(error "Please specify Docker registry to use. Use DOCKER=coredns for releases")
else
@# Pushes coredns/coredns-$arch:$version images
@# Creates manifest for multi-arch image
@# Pushes multi-arch image to coredns/coredns:$version
@echo $(DOCKER_PASSWORD) | docker login -u $(DOCKER_LOGIN) --password-stdin
@echo Pushing: $(VERSION) to $(DOCKER_IMAGE_NAME)
for arch in $(LINUX_ARCH); do \
docker push $(DOCKER_IMAGE_NAME):$${arch}-$(VERSION) ;\
done
docker manifest create --amend $(DOCKER_IMAGE_NAME):$(VERSION) $(DOCKER_IMAGE_LIST_VERSIONED)
docker manifest create --amend $(DOCKER_IMAGE_NAME):latest $(DOCKER_IMAGE_LIST_VERSIONED)
for arch in $(LINUX_ARCH); do \
docker manifest annotate --arch $${arch} $(DOCKER_IMAGE_NAME):$(VERSION) $(DOCKER_IMAGE_NAME):$${arch}-$(VERSION) ;\
docker manifest annotate --arch $${arch} $(DOCKER_IMAGE_NAME):latest $(DOCKER_IMAGE_NAME):$${arch}-$(VERSION) ;\
done
docker manifest push --purge $(DOCKER_IMAGE_NAME):$(VERSION)
docker manifest push --purge $(DOCKER_IMAGE_NAME):latest
TOKEN=$$(curl -s -H "Content-Type: application/json" -X POST -d "{\"username\":\"$(DOCKER_LOGIN)\",\"password\":\"$(DOCKER_PASSWORD)\"}" "https://hub.docker.com/v2/users/login/" | jq -r .token) ; \
for arch in $(LINUX_ARCH); do \
curl -X DELETE -H "Authorization: JWT $${TOKEN}" "https://hub.docker.com/v2/repositories/$(DOCKER_IMAGE_NAME)/tags/$${arch}-$(VERSION)/" ;\
done
endif
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