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Keep kernel headers from build

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Also upload some kernel artefacts to a private repo at mobylinux/kernel on Hub for scanning.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2016-12-07 18:02:13 -08:00
parent 949df4f11c
commit 5fb7594217
5 changed files with 17 additions and 8 deletions
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2
Dockerfile.kernel Normal file
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@ -0,0 +1,2 @@
FROM scratch
ADD . /

1
Dockerfile.media
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@ -5,6 +5,7 @@ ADD \
alpine/initrd.img \
alpine/kernel/x86_64/vmlinuz64 \
alpine/kernel/x86_64/vmlinux \
alpine/kernel/x86_64/kernel-headers.tar \
alpine/mobylinux-efi.iso \
alpine/mobylinux.efi \
/

5
Makefile
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@ -41,11 +41,13 @@ STATUS=$(shell git status -s)
MOBYLINUX_TAG=alpine/mobylinux.tag
media: Dockerfile.media alpine/initrd.img alpine/kernel/x86_64/vmlinuz64 alpine/mobylinux-efi.iso
ifeq ($(STATUS),)
tar cf - $^ alpine/mobylinux.efi alpine/kernel/x86_64/vmlinux | docker build -f Dockerfile.media -t mobylinux/media:$(MEDIA_PREFIX)$(TAG) -
tar cf - $^ alpine/mobylinux.efi alpine/kernel/x86_64/vmlinux alpine/kernel/x86_64/kernel-headers.tar | docker build -f Dockerfile.media -t mobylinux/media:$(MEDIA_PREFIX)$(TAG) -
docker push mobylinux/media:$(MEDIA_PREFIX)$(TAG)
[ -f $(MOBYLINUX_TAG) ]
docker tag $(shell cat $(MOBYLINUX_TAG)) mobylinux/mobylinux:$(MEDIA_PREFIX)$(TAG)
docker push mobylinux/mobylinux:$(MEDIA_PREFIX)$(TAG)
tar cf - Dockerfile.kernel alpine/kernel/x86_64/boot.tar | docker build -f Dockerfile.kernel -t mobylinux/kernel:$(MEDIA_PREFIX)$(TAG) -
docker push mobylinux/kernel:$(MEDIA_PREFIX)$(TAG)
else
$(error "git not clean")
endif
@ -56,6 +58,7 @@ ifeq ($(STATUS),)
mkdir -p alpine/kernel/x86_64 && \
docker cp $$IMAGE:vmlinuz64 alpine/kernel/x86_64/vmlinuz64 && \
docker cp $$IMAGE:vmlinux alpine/kernel/x86_64/vmlinux && \
docker cp $$IMAGE:kernel-headers.tar alpine/kernel/x86_64/kernel-headers.tar && \
docker cp $$IMAGE:initrd.img alpine/initrd.img && \
docker cp $$IMAGE:mobylinux-efi.iso alpine/mobylinux-efi.iso && \
docker cp $$IMAGE:mobylinux.efi alpine/mobylinux.efi && \

15
alpine/kernel/Dockerfile
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@ -63,18 +63,19 @@ RUN cd /linux && \
patch -p1 < "$patch"; \
done
RUN cd /linux && \
make defconfig && \
WORKDIR /linux
RUN make defconfig && \
make oldconfig && \
make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie" && \
make INSTALL_MOD_PATH=/tmp/kernel-modules modules_install && \
( cd /tmp/kernel-modules && tar cf /kernel-modules.tar . ) && \
make INSTALL_HDR_PATH=/tmp/kernel-headers headers_install
make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie"
RUN make INSTALL_MOD_PATH=/tmp/kernel-modules modules_install && \
make INSTALL_HDR_PATH=/tmp headers_install && \
( cd /tmp && tar cf /kernel-headers.tar include ) && \
( cd /tmp/kernel-modules && tar cf /kernel-modules.tar . )
# Build aufs tools, do this here as they need kernel headers and to match aufs
# Fortunately they are built statically linked
RUN cd /aufs-util && \
CPPFLAGS="-I/tmp/kernel-headers/include" CFLAGS=$CPPFLAGS LDFLAGS=$CPPFLAGS make && \
CPPFLAGS="-I/tmp/include" CFLAGS=$CPPFLAGS LDFLAGS=$CPPFLAGS make && \
DESTDIR=/tmp/aufs-utils make install && \
rm -rf /tmp/aufs-utils/usr/lib /tmp/aufs-utils/usr/share && \
cd /tmp/aufs-utils && rm libau* && tar cf /aufs-utils.tar .

2
alpine/kernel/Makefile
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@ -10,6 +10,8 @@ x86_64/vmlinuz64: Dockerfile kernel_config
docker run --rm --net=none --log-driver=none $$BUILD cat /kernel-source-info > etc/kernel-source-info && \
docker run --rm --net=none --log-driver=none $$BUILD cat /linux/vmlinux > x86_64/vmlinux && \
docker run --rm --net=none --log-driver=none $$BUILD cat /linux/arch/x86_64/boot/bzImage > $@ && \
docker run --rm --net=none --log-driver=none $$BUILD tar cf - /linux/arch/x86/boot > x86_64/boot.tar && \
docker run --rm --net=none --log-driver=none $$BUILD cat /kernel-headers.tar > x86_64/kernel-headers.tar && \
cp -a patches etc/kernel-patches
clean: