mirror of
https://github.com/linuxkit/linuxkit.git
synced 2025-12-24 15:42:38 +00:00
0714aa7380
It has been EOLed today and won't receive any further updates. The images are still on hub so can be continued to be used for the time being. 4.12 support is coming soon. Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
110 lines
3.8 KiB
Makefile
110 lines
3.8 KiB
Makefile
# This builds the supported LinuxKit kernels. Kernels are wrapped up
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# in a scratch container, which contains the bzImage, a tar
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# ball with modules, the kernel sources, and in some case, the perf binary.
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#
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# Each kernel is pushed to hub twice:
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# - linuxkit/kernel:<kernel>.<major>.<minor>-<hash>
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# - linuxkit/kernel:<kernel>.<major>.<minor>
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# The <hash> is the git tree hash of the current directory. The build
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# will only rebuild the kernel image if the git tree hash changed.
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#
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# For some kernels we also build a separate package containing the perf utility
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# which is specific to a given kernel. perf packages are tagged the same way
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# kernel packages.
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# Name and Org on Hub
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ORG?=linuxkit
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IMAGE:=kernel
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IMAGE_PERF:=kernel-perf
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ifeq ($(HASH),)
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HASH_COMMIT?=HEAD # Setting this is only really useful with the show-tag target
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HASH?=$(shell git ls-tree --full-tree $(HASH_COMMIT) -- $(CURDIR) | awk '{print $$3}')
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ifneq ($(HASH_COMMIT),HEAD) # Others can't be dirty by definition
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DIRTY=$(shell git update-index -q --refresh && git diff-index --quiet HEAD -- $(CURDIR) || echo "-dirty")
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endif
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endif
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TAG=$(HASH)$(DIRTY)
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REPO?=https://github.com/linuxkit/linuxkit
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ifneq ($(REPO),)
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REPO_LABEL=--label org.opencontainers.image.source=$(REPO)
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endif
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ifeq ($(DIRTY),)
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REPO_COMMIT=$(shell git rev-parse HEAD)
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COMMIT_LABEL=--label org.opencontainers.image.revision=$(REPO_COMMIT)
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endif
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LABELS=$(REPO_LABEL) $(COMMIT_LABEL)
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.PHONY: check tag push
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# Targets:
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# build: builds all kernels
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# push: pushes and sign all tagged kernel images to hub
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build:
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push:
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# A template for defining kernel build
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# Arguments:
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# $1: Full kernel version, e.g., 4.9.22
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# $2: Kernel "series", e.g., 4.9.x
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# $3: Build a debug kernel (used as suffix for image)
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# This defines targets like:
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# build_4.9.x and push_4.9.x and adds them as dependencies
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# to the global targets
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# Set $3 to "_dbg", to build debug kernels. This defines targets like
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# build_4.9.x_dbg and adds "_dbg" to the hub image name.
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define kernel
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build_$(2)$(3): Dockerfile Makefile $(wildcard patches-$(2)/*) $(wildcard kernel_config-$(2)*) kernel_config.debug
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docker pull $(ORG)/$(IMAGE):$(1)$(3)-$(TAG) || \
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docker build \
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--build-arg KERNEL_VERSION=$(1) \
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--build-arg KERNEL_SERIES=$(2) \
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--build-arg DEBUG=$(3) \
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$(LABELS) \
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--no-cache -t $(ORG)/$(IMAGE):$(1)$(3)-$(TAG) .
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push_$(2)$(3): build_$(2)$(3)
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@if [ x"$(DIRTY)" != x ]; then echo "Your repository is not clean. Will not push image"; exit 1; fi
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DOCKER_CONTENT_TRUST=1 docker pull $(ORG)/$(IMAGE):$(1)$(3)-$(TAG) || \
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(DOCKER_CONTENT_TRUST=1 docker push $(ORG)/$(IMAGE):$(1)$(3)-$(TAG) && \
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docker tag $(ORG)/$(IMAGE):$(1)$(3)-$(TAG) $(ORG)/$(IMAGE):$(1)$(3) && \
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DOCKER_CONTENT_TRUST=1 docker push $(ORG)/$(IMAGE):$(1)$(3))
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show-tag_$(2)$(3):
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@echo $(ORG)/$(IMAGE):$(1)$(3)-$(TAG)
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build: build_$(2)$(3)
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push: push_$(2)$(3)
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show-tags: show-tag_$(2)$(3)
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ifneq ($(2), 4.4.x)
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build_perf_$(2)$(3): build_$(2)$(3)
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docker pull $(ORG)/$(IMAGE_PERF):$(1)$(3)-$(TAG) || \
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docker build -f Dockerfile.perf \
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--build-arg IMAGE=$(ORG)/$(IMAGE):$(1)$(3)-$(TAG) \
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--no-cache --network=none $(LABEL) -t $(ORG)/$(IMAGE_PERF):$(1)$(3)-$(TAG) .
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push_perf_$(2)$(3): build_perf_$(2)$(3)
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@if [ x"$(DIRTY)" != x ]; then echo "Your repository is not clean. Will not push image"; exit 1; fi
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DOCKER_CONTENT_TRUST=1 docker pull $(ORG)/$(IMAGE_PERF):$(1)$(3)-$(TAG) || \
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(DOCKER_CONTENT_TRUST=1 docker push $(ORG)/$(IMAGE_PERF):$(1)$(3)-$(TAG) && \
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docker tag $(ORG)/$(IMAGE_PERF):$(1)$(3)-$(TAG) $(ORG)/$(IMAGE_PERF):$(1)$(3) && \
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DOCKER_CONTENT_TRUST=1 docker push $(ORG)/$(IMAGE_PERF):$(1)$(3))
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build: build_perf_$(2)$(3)
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push: push_perf_$(2)$(3)
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endif
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endef
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#
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# Build Targets
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# Debug targets only for latest stable and LTS stable
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#
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$(eval $(call kernel,4.9.40,4.9.x))
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$(eval $(call kernel,4.9.40,4.9.x,_dbg))
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$(eval $(call kernel,4.4.79,4.4.x))
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