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kernel: Add zfs kmod build to the kernel build

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This adds building the zfs-kmod package to the kernel build.
The zfs-kmod packages contains the matching ZFS kernel modules
for a given kernel in /lib/modules/$(uname -r)/extra.

The zfs-kmod package also contains the standard kernel modules
and depmod is run over them so that modprobe works

The zfs-kmod package is not build by default due to unclarity
about licenses. Users will have to build it themselves.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer 2017-08-31 17:09:49 +01:00
parent c9ead45731
commit 8d45a96f34
1 changed files with 24 additions and 1 deletions
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25
kernel/Makefile
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@ -16,6 +16,7 @@
ORG?=linuxkit
IMAGE:=kernel
IMAGE_PERF:=kernel-perf
IMAGE_ZFS:=zfs-kmod
# You can specify an extra options for the Makefile. This will:
# - append a kernel_config$(EXTRA) to the kernel config for your kernel/arch
@ -118,11 +119,13 @@ push: push_$(2)$(3)
show-tags: show-tag_$(2)$(3)
fetch: sources/linux-$(1).tar.xz
ifneq ($(2), 4.4.x)
# 'docker build' with the FROM image supplied as --build-arg
# *and* with DOCKER_CONTENT_TRUST=1 currently does not work
# (https://github.com/moby/moby/issues/34199). So, we pull the image
# with DCT and then build with DOCKER_CONTENT_TRUST explicitly set to 0.
ifneq ($(2), 4.4.x)
# perf does not build out of the box for 4.4.x and 4.4.x is not that relevant anymore to work on a fix
build_perf_$(2)$(3): build_$(2)$(3)
docker pull $(ORG)/$(IMAGE_PERF):$(1)$(3)-$(TAG)$(SUFFIX) || \
(docker pull $(ORG)/$(IMAGE):$(1)$(3)-$(TAG)$(SUFFIX) && \
@ -143,6 +146,26 @@ build: build_perf_$(2)$(3)
push: push_perf_$(2)$(3)
endif
ifneq ($(3), -dbg)
# ZFS does not compile against -dbg kernels because CONFIG_DEBUG_LOCK_ALLOC
# is incompatible with CDDL, apparently (this is ./configure check)
build_zfs_$(2)$(3): build_$(2)$(3)
docker pull $(ORG)/$(IMAGE_ZFS):$(1)$(3)-$(TAG)$(SUFFIX) || \
(docker pull $(ORG)/$(IMAGE):$(1)$(3)-$(TAG)$(SUFFIX) && \
DOCKER_CONTENT_TRUST=0 docker build -f Dockerfile.zfs \
--build-arg IMAGE=$(ORG)/$(IMAGE):$(1)$(3)-$(TAG)$(SUFFIX) \
--no-cache $(LABEL) -t $(ORG)/$(IMAGE_ZFS):$(1)$(3)-$(TAG)$(SUFFIX) .)
push_zfs_$(2)$(3): build_zfs_$(2)$(3)
@if [ x"$(DIRTY)" != x ]; then echo "Your repository is not clean. Will not push image"; exit 1; fi
docker pull $(ORG)/$(IMAGE_ZFS):$(1)$(3)-$(TAG)$(SUFFIX) || \
(docker push $(ORG)/$(IMAGE_ZFS):$(1)$(3)-$(TAG)$(SUFFIX) && \
docker tag $(ORG)/$(IMAGE_ZFS):$(1)$(3)-$(TAG)$(SUFFIX) $(ORG)/$(IMAGE_ZFS):$(1)$(3)$(SUFFIX) && \
docker push $(ORG)/$(IMAGE_ZFS):$(1)$(3)$(SUFFIX) && \
$(PUSH_MANIFEST) $(ORG)/$(IMAGE_ZFS):$(1)$(3)-$(TAG) $(DOCKER_CONTENT_TRUST) && \
$(PUSH_MANIFEST) $(ORG)/$(IMAGE_ZFS):$(1)$(3) $(DOCKER_CONTENT_TRUST))
endif
endef
#