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Merge pull request #1561 from riyazdf/landlock-makefile-dockerfile
Landlock: kernel build materials and example yml
This commit is contained in:
Justin Cormack
GitHub
commit
ce70127028
6
projects/landlock/kernel-landlock/.gitignore
vendored
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6
projects/landlock/kernel-landlock/.gitignore
vendored
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x86_64/
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etc/
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lib/
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usr/
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sbin/
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bzImage
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53
projects/landlock/kernel-landlock/Dockerfile
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53
projects/landlock/kernel-landlock/Dockerfile
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FROM mobylinux/alpine-build-kernel:0e893fbf6fa7638d2f23354de03ea11017bb8065@sha256:3ef3f9d11f0802b759dbd9c43a7706cf0ec37263c99ae90e2b10c29ea85739fa
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ARG KERNEL_VERSION
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ARG DEBUG=0
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ENV KERNEL_SOURCE=https://www.kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.xz
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RUN curl -fsSL -o linux-${KERNEL_VERSION}.tar.xz ${KERNEL_SOURCE}
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RUN cat linux-${KERNEL_VERSION}.tar.xz | tar --absolute-names -xJ && mv /linux-${KERNEL_VERSION} /linux
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COPY kernel_config /linux/arch/x86/configs/x86_64_defconfig
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COPY kernel_config.debug /linux/debug_config
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RUN if [ $DEBUG -ne "0" ]; then \
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sed -i 's/CONFIG_PANIC_ON_OOPS=y/# CONFIG_PANIC_ON_OOPS is not set/' /linux/arch/x86/configs/x86_64_defconfig; \
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cat /linux/debug_config >> /linux/arch/x86/configs/x86_64_defconfig; \
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fi
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# Apply local patches
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COPY patches-4.9 /patches
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RUN cd /linux && \
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set -e && for patch in /patches/*.patch; do \
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echo "Applying $patch"; \
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patch -p1 < "$patch"; \
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done
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RUN cd /linux && \
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make defconfig && \
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make oldconfig && \
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make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie"
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RUN cd /linux && \
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make INSTALL_MOD_PATH=/tmp/kernel-modules modules_install && \
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( DVER=$(basename $(find /tmp/kernel-modules/lib/modules/ -mindepth 1 -maxdepth 1)) && \
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cd /tmp/kernel-modules/lib/modules/$DVER && \
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rm build source && \
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ln -s /usr/src/linux-headers-$DVER build ) && \
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mkdir -p /tmp/kernel-headers/usr && \
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make INSTALL_HDR_PATH=/tmp/kernel-headers/usr headers_install && \
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( cd /tmp/kernel-headers && tar cf /kernel-headers.tar usr ) && \
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( cd /tmp/kernel-modules && tar cf /kernel-modules.tar lib ) && \
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cp vmlinux arch/x86_64/boot/bzImage /
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RUN DVER=$(basename $(find /tmp/kernel-modules/lib/modules/ -mindepth 1 -maxdepth 1)) && \
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dir=/tmp/usr/src/linux-headers-$DVER && \
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mkdir -p $dir && \
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cp /linux/.config $dir && \
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cd /linux && \
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cp -a include "$dir" && \
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mkdir -p "$dir"/arch/x86 && cp -a arch/x86/include "$dir"/arch/x86/ && \
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( cd /tmp && tar cf /kernel-dev.tar usr/src )
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RUN printf "KERNEL_SOURCE=${KERNEL_SOURCE}\n" > /kernel-source-info
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70
projects/landlock/kernel-landlock/Makefile
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projects/landlock/kernel-landlock/Makefile
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DEBUG ?= 0
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all: bzImage push
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# We push the image to hub twice, once with the full kernel version of
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# "mobylinux/kernel:<kernel version>.<major version>.<minor version>-<n>",
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# where "<n>" is a monotonically increasing config number, and as
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# "mobylinux/kernel:<kernel version>.<major version>.x". This version
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# number is stored in IMAGE_VERSION.
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#
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# We expect most users to us the "<kernel version>.<major version>.x"
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# variant as this simply is the latest version of a given major kernel
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# version. This version number is stored in IMAGE_MAJOR_VERSION.
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#
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# For IMAGE_VERSION, the "<n>" must be increased whenever
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# the kernel config or the patches change. We don't expect this to
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# happen very often as the minor version number gets update quite
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# frequently.
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#
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# IMAGE_VERSION is used to determine if a new image should be pushed to hub.
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KERNEL_VERSION=4.9.20
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IMAGE_VERSION=$(KERNEL_VERSION)-1
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IMAGE_MAJOR_VERSION=4.9.x
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DEPS=Dockerfile Makefile kernel_config kernel_config.debug patches-4.9
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kernel.tag: $(DEPS)
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BUILD=$$( tar cf - $^ | docker build -f $< --build-arg DEBUG=$(DEBUG) --build-arg KERNEL_VERSION=$(KERNEL_VERSION) -q - ) && [ -n "$$BUILD" ] && echo "Built $$BUILD" && echo "$$BUILD" > $@
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bzImage: kernel.tag
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rm -rf etc/kernel-patches
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mkdir -p x86_64 etc lib usr sbin etc/kernel-patches
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docker run --rm --net=none --log-driver=none $(shell cat kernel.tag) tar cf - bzImage kernel-dev.tar kernel-headers.tar vmlinux kernel-modules.tar | tar xf - -C x86_64
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cp x86_64/kernel-modules.tar kernel.tar
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cp x86_64/bzImage $@
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.PHONY: image push tag
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MEDIA_TOYBOX=mobylinux/toybox-media:0a26fe5f574e444849983f9c4148ef74b3804d55@sha256:5ac38f77b66deb194c9016591b9b096e81fcdc9f7c3e6d01566294a6b4b4ebd2
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BASE="$MEDIA_TOYBOX"
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IMAGE=kernel-landlock
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default: push
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Dockerfile.media:
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printf "FROM $(MEDIA_TOYBOX)\nADD . /\n" > $@
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image: Dockerfile.media bzImage kernel.tar $(DEPS)
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tar cf - $^ | docker build --no-cache -t $(IMAGE):build -f Dockerfile.media -
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push: image
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docker pull mobylinux/$(IMAGE):$(IMAGE_VERSION) || \
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(docker tag $(IMAGE):build mobylinux/$(IMAGE):$(IMAGE_VERSION) && \
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docker push mobylinux/$(IMAGE):$(IMAGE_VERSION) && \
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docker tag $(IMAGE):build mobylinux/$(IMAGE):$(IMAGE_MAJOR_VERSION) && \
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docker push mobylinux/$(IMAGE):$(IMAGE_MAJOR_VERSION))
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docker rmi $(IMAGE):build
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rm -f hash
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tag: image
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(docker tag $(IMAGE):build mobylinux/$(IMAGE):$(IMAGE_VERSION) && \
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docker tag $(IMAGE):build mobylinux/$(IMAGE):$(IMAGE_MAJOR_VERSION))
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docker rmi $(IMAGE):build
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rm -f hash
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.PHONY: clean
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clean:
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rm -rf x86_64 lib usr sbin kernel.tag Dockerfile.media bzImage kernel.tar
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.DELETE_ON_ERROR:
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31
projects/landlock/landlock.yml
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31
projects/landlock/landlock.yml
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@ -0,0 +1,31 @@
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kernel:
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image: "mobylinux/kernel-landlock:4.9.x"
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cmdline: "console=ttyS0 page_poison=1"
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init:
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- mobylinux/init:4a731380d1d9b29472c7de165a1cdf93136ab1e7
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- mobylinux/runc:b0fb122e10dbb7e4e45115177a61a3f8d68c19a9
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- mobylinux/containerd:c7f6ecdcbcb615a53edee556ba03c7c873bc8488
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- mobylinux/ca-certificates:eabc5a6e59f05aa91529d80e9a595b85b046f935
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onboot:
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- name: sysctl
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image: "mobylinux/sysctl:2cf2f9d5b4d314ba1bfc22b2fe931924af666d8c"
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net: host
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pid: host
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ipc: host
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capabilities:
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- CAP_SYS_ADMIN
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readonly: true
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services:
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- name: rngd
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image: "mobylinux/rngd:3dad6dd43270fa632ac031e99d1947f20b22eec9@sha256:1c93c1db7196f6f71f8e300bc1d15f0376dd18e8891c8789d77c8ff19f3a9a92"
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capabilities:
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- CAP_SYS_ADMIN
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oomScoreAdj: -800
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readonly: true
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files:
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- path: etc/docker/daemon.json
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contents: '{"debug": true}'
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outputs:
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- format: kernel+initrd
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- format: iso-bios
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- format: iso-efi
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