mirror of
https://github.com/linuxkit/linuxkit.git
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40ea10065c
- Combine 'sign' and 'push' targets like it is done for package builds. - Append '-dirty' to the tag if the repository is dirty. - Don't push to hub if the repository is dirty. Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
100 lines
3.6 KiB
Makefile
100 lines
3.6 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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# Git tree hash of this directory. Override to force build
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HASH?=$(shell git ls-tree HEAD -- ../$(notdir $(CURDIR)) | awk '{print $$3}')
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# Name and Org on Hub
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ORG?=linuxkit
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IMAGE:=kernel
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IMAGE_PERF:=kernel-perf
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# Add '-dirty' to hash if the repository is not clean. make does not
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# concatenate strings without spaces, so we use the documented trick
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# of replacing the space with nothing.
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DIRTY=$(shell git diff-index --quiet HEAD --; echo $$?)
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ifneq ($(DIRTY),0)
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HASH+=-dirty
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nullstring :=
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space := $(nullstring) $(nullstring)
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TAG=$(subst $(space),,$(HASH))
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else
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TAG=$(HASH)
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endif
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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)/*) 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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--no-cache -t $(ORG)/$(IMAGE):$(1)$(3)-$(TAG) .
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push_$(2)$(3): build_$(2)$(3)
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@if [ $(DIRTY) -ne 0 ]; 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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build: build_$(2)$(3)
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push: push_$(2)$(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 -t $(ORG)/$(IMAGE_PERF):$(1)$(3)-$(TAG) .
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push_perf_$(2)$(3): build_perf_$(2)$(3)
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@if [ $(DIRTY) -ne 0 ]; 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 $(call kernel,4.11.7,4.11.x))
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$(eval $(call kernel,4.11.7,4.11.x,_dbg))
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$(eval $(call kernel,4.9.34,4.9.x))
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$(eval $(call kernel,4.9.34,4.9.x,_dbg))
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$(eval $(call kernel,4.4.74,4.4.x))
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