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Split the initrd into base and containers

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In future this will allow easier customisation of the containers
for each edition.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2016-12-02 18:00:31 +00:00
parent c6163f7ffd
commit 960f52d18c
1 changed files with 17 additions and 3 deletions
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20
alpine/Makefile
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@ -13,7 +13,7 @@ endif
# Tag: e6cb3f313db7098a1cd21051e678b01931a037a0
ALPINE_BIOS_DIGEST=b06567c9d00fd4d1193e58fa8242a85121482eb2fb20ac4442388b7eb9cdceb3
initrd.img: Dockerfile mkinitrd.sh init $(ETCFILES)
moby-initrd.img: Dockerfile mkinitrd.sh init $(ETCFILES)
$(MAKE) -C kernel
$(MAKE) -j -C packages
$(MAKE) -j -C containers
@ -41,11 +41,25 @@ initrd.img: Dockerfile mkinitrd.sh init $(ETCFILES)
-C packages/containerd etc -C ../.. \
-C packages/aws etc -C ../.. \
-C packages/azure etc -C ../.. \
containers/*/rootfs containers/*/config.json \
| \
docker build -q - ) && [ -n "$$BUILD" ] && echo "Built $$BUILD" && \
docker run --read-only --net=none --log-driver=none --rm --tmpfs /tmp --tmpfs /initrd $$BUILD > $@
container-initrd.img:
(find containers -type d -maxdepth 1 && \
find containers/*/rootfs containers/*/config.json) | \
cpio -H newc -o | gzip -9 > $@
SIZE=$$(cat $@ | wc -c); \
SIZE4=$$(( $$SIZE / 4 * 4 )); \
DIFF=$$(( $$SIZE - $$SIZE4 )); \
[ $$DIFF -ne 0 ] && DIFF=$$(( 4 - $$DIFF )); \
dd if=/dev/zero bs=1 count=$$DIFF of=zeropad
cat zeropad >> $@
rm zeropad
initrd.img: moby-initrd.img container-initrd.img
cat $^ > $@
mobylinux-efi.iso: Dockerfile.efi initrd.img kernel/x86_64/vmlinuz64
BUILD=$$( tar cf - $^ | docker build -q -f Dockerfile.efi - ) && [ -n "$$BUILD" ] && echo "Built $$BUILD" && \
docker run --net=none --log-driver=none --rm --cap-add sys_admin $$BUILD cat /tmp/efi/mobylinux.efi > mobylinux.efi && \
@ -160,7 +174,7 @@ vhdartifact:
docker volume create --name vhdartifact || true
clean:
rm -f initrd.img mobylinux.vhd mobylinux.img mobylinux-bios.iso mobylinux-efi.iso mobylinux.efi etc/moby-commit
rm -f *.img *.vhd *.iso mobylinux.efi zeropad etc/moby-commit
docker images -q moby-azure:build | xargs docker rmi -f || true
docker images -q moby-azure:raw2vhd | xargs docker rmi -f || true
docker volume rm vhdartifact || true