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kernel: Stash kernel source and WireGuard source in the package

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While we can re-create the kernel source code we don't have it
handily available in one place. This commit stashes the kernel
and the WireGuard source as /src/linux.tar.xz and
/src/wireguard.tar.xz in the kernel package.

This increases the size of the hub image by around 100MB.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer 2018-06-06 18:24:42 +01:00
parent 414b4c5275
commit 5176ce7dd3
1 changed files with 6 additions and 1 deletions
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7
kernel/Dockerfile
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@ -84,6 +84,11 @@ RUN set -e && \
done; \
fi
RUN mkdir -p /out/src
# Save kernel source
RUN tar cJf /out/src/linux.tar.xz /linux
# Kernel config
RUN case $(uname -m) in \
x86_64) \
@ -109,7 +114,6 @@ RUN case $(uname -m) in \
make oldconfig && \
if [ -z "${EXTRA}" ] && [ -z "${DEBUG}" ]; then diff .config ${KERNEL_DEF_CONF}; fi
RUN mkdir /out
# Kernel
RUN make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie" && \
@ -130,6 +134,7 @@ RUN make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie" && \
# WireGuard
RUN curl -sSL -o /wireguard.tar.xz "${WIREGUARD_URL}" && \
echo "${WIREGUARD_SHA256} /wireguard.tar.xz" | sha256sum -c - && \
cp /wireguard.tar.xz /out/src/ && \
tar -C / --one-top-level=wireguard --strip-components=2 -xJf /wireguard.tar.xz "WireGuard-${WIREGUARD_VERSION}/src" && \
make -j "$(getconf _NPROCESSORS_ONLN)" M="/wireguard" modules