117 lines
4.7 KiB
Makefile
117 lines
4.7 KiB
Makefile
# Copyright 2016 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Build the etcd image
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#
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# Usage:
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# [TAGS=2.2.1 2.3.7 3.0.14] [REGISTRY=gcr.io/google_containers] [ARCH=amd64] [BASEIMAGE=busybox] make (build|push)
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# The image contains different etcd versions to simplify
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# upgrades. Thus be careful when removing any tag from here.
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#
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# NOTE: The etcd upgrade rules are that you can upgrade only 1 minor
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# version at a time, and patch release don't matter.
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#
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# Except from etcd-$(tag) and etcdctl-$(tag) binaries, we also
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# need etcd and etcdctl binaries for backward compatibility reasons.
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# That binary will be set to the last tag from $(TAGS).
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TAGS?=2.2.1 2.3.7 3.0.14
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REGISTRY_TAG?=3.0.14
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ARCH?=amd64
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REGISTRY?=gcr.io/google_containers
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GOLANG_VERSION?=1.6.3
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GOARM=6
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TEMP_DIR:=$(shell mktemp -d)
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ifeq ($(ARCH),amd64)
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BASEIMAGE?=busybox
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endif
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ifeq ($(ARCH),arm)
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BASEIMAGE?=armel/busybox
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endif
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ifeq ($(ARCH),arm64)
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BASEIMAGE?=aarch64/busybox
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endif
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ifeq ($(ARCH),ppc64le)
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BASEIMAGE?=ppc64le/busybox
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endif
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ifeq ($(ARCH),s390x)
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BASEIMAGE?=s390x/busybox
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endif
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build:
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# Copy the content in this dir to the temp dir,
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# without copying the subdirectories.
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find ./ -maxdepth 1 -type f | xargs cp -t $(TEMP_DIR)
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# Compile attachlease
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docker run -it -v $(shell pwd)/../../../:/go/src/k8s.io/kubernetes -v $(TEMP_DIR):/build -e GOARCH=$(ARCH) golang:$(GOLANG_VERSION) \
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/bin/bash -c "CGO_ENABLED=0 go build -o /build/attachlease k8s.io/kubernetes/cluster/images/etcd/attachlease"
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# Compile rollback
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docker run -it -v $(shell pwd)/../../../:/go/src/k8s.io/kubernetes -v $(TEMP_DIR):/build -e GOARCH=$(ARCH) golang:$(GOLANG_VERSION) \
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/bin/bash -c "CGO_ENABLED=0 go build -o /build/rollback k8s.io/kubernetes/cluster/images/etcd/rollback"
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ifeq ($(ARCH),amd64)
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# Do not compile if we should make an image for amd64, use the official etcd binaries instead
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# For each release create a tmp dir 'etcd_release_tmp_dir' and unpack the release tar there.
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for tag in $(TAGS); do \
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etcd_release_tmp_dir=$(shell mktemp -d); \
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curl -sSL --retry 5 https://github.com/coreos/etcd/releases/download/v$$tag/etcd-v$$tag-linux-amd64.tar.gz | tar -xz -C $$etcd_release_tmp_dir --strip-components=1; \
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cp $$etcd_release_tmp_dir/etcd $$etcd_release_tmp_dir/etcdctl $(TEMP_DIR)/; \
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cp $(TEMP_DIR)/etcd $(TEMP_DIR)/etcd-$$tag; \
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cp $(TEMP_DIR)/etcdctl $(TEMP_DIR)/etcdctl-$$tag; \
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done
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else
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# Download etcd in a golang container and cross-compile it statically
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# For each release create a tmp dir 'etcd_release_tmp_dir' and unpack the release tar there.
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for tag in $(TAGS); do \
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etcd_release_tmp_dir=$(shell mktemp -d); \
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docker run -it -v $$etcd_release_tmp_dir:/etcdbin golang:$(GOLANG_VERSION) /bin/bash -c \
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"git clone https://github.com/coreos/etcd /go/src/github.com/coreos/etcd \
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&& cd /go/src/github.com/coreos/etcd \
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&& git checkout v$$tag \
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&& GOARM=$(GOARM) GOARCH=$(ARCH) ./build \
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&& cp -f bin/$(ARCH)/etcd* bin/etcd* /etcdbin; echo 'done'"; \
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cp $$etcd_release_tmp_dir/etcd $$etcd_release_tmp_dir/etcdctl $(TEMP_DIR)/; \
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cp $(TEMP_DIR)/etcd $(TEMP_DIR)/etcd-$$tag; \
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cp $(TEMP_DIR)/etcdctl $(TEMP_DIR)/etcdctl-$$tag; \
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done
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# Add this ENV variable in order to workaround an unsupported arch blocker
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# The multiarch feature is in an limited and experimental state right now, and etcd should work fine on arm64
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# On arm (which is 32-bit), it can't handle >1GB data in-memory, but it is very unlikely someone tinkering with their limited arm devices would reach such a high usage
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# ppc64le is still quite untested, but compiles and is probably in the process of being validated by IBM.
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cd $(TEMP_DIR) && echo "ENV ETCD_UNSUPPORTED_ARCH=$(ARCH)" >> Dockerfile
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endif
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# Replace BASEIMAGE with the real base image
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cd $(TEMP_DIR) && sed -i.bak 's|BASEIMAGE|$(BASEIMAGE)|g' Dockerfile
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# And build the image
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docker build --pull -t $(REGISTRY)/etcd-$(ARCH):$(REGISTRY_TAG) $(TEMP_DIR)
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push: build
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gcloud docker -- push $(REGISTRY)/etcd-$(ARCH):$(REGISTRY_TAG)
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ifeq ($(ARCH),amd64)
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# Backward compatibility. TODO: deprecate this image tag
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docker tag $(REGISTRY)/etcd-$(ARCH):$(REGISTRY_TAG) $(REGISTRY)/etcd:$(REGISTRY_TAG)
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gcloud docker -- push $(REGISTRY)/etcd:$(REGISTRY_TAG)
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endif
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all: build
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.PHONY: build push
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