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tools/alpine: multi-arch support for the base alpine image

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Alpine is the base docker image for the LinuxKit, but currently
it only supports amd64 architecture. This patch is try to unify
the alpine tool docker image build process order to suport other
architectures, such as AArch64, by using '--build-arg' to override
the alpine base image specified by 'FROM' in the Dockerfile.

Also this patch splits the standalone packages into 2 parts:
one is common for all archs, another is arch-specific.

Signed-off-by: Dennis Chen <dennis.chen@arm.com>
This commit is contained in:
Dennis Chen
2017-07-24 10:09:23 +00:00
parent e59d4ef3d7
commit cc14a74276
7 changed files with 271 additions and 21 deletions
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17
tools/alpine/Dockerfile
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@@ -1,14 +1,16 @@
FROM alpine:3.6 AS mirror
ARG BASE=alpine:3.6
FROM $BASE AS mirror
# update base image
RUN apk update && apk upgrade -a
# Copy Dockerfile so we can include it in the hash
COPY Dockerfile /Dockerfile
COPY packages /tmp/
COPY packages* /tmp/
# mirror packages
RUN mkdir -p /mirror/$(uname -m) && \
RUN cat /tmp/packages.$(uname -m) >> /tmp/packages && \
mkdir -p /mirror/$(uname -m) && \
apk fetch --recursive -o /mirror/$(uname -m) $(apk info; cat /tmp/packages)
# add the tools for WireGuard, since the kernel module is now included, but from edge/testing
@@ -28,7 +30,10 @@ RUN cp /mirror/$(uname -m)/APKINDEX.unsigned.tar.gz /mirror/$(uname -m)/APKINDEX
RUN abuild-sign /mirror/$(uname -m)/APKINDEX.tar.gz
# fetch OVMF for qemu EFI boot (this is not added as a package)
RUN apk add -X http://dl-cdn.alpinelinux.org/alpine/edge/community ovmf
RUN mkdir -p /usr/share/ovmf && \
if [ $(uname -m) = x86_64 ]; then \
apk add -X http://dl-cdn.alpinelinux.org/alpine/edge/community ovmf; \
fi
# set this as our repo but keep a copy of the upstream for downstream use
RUN mv /etc/apk/repositories /etc/apk/repositories.upstream && echo "/mirror" > /etc/apk/repositories && apk update
@@ -41,14 +46,14 @@ RUN go get -u github.com/golang/lint/golint
RUN go get -u github.com/gordonklaus/ineffassign
RUN go get -u github.com/LK4D4/vndr
FROM alpine:3.6
FROM $BASE
COPY --from=mirror /etc/apk/repositories /etc/apk/repositories
COPY --from=mirror /etc/apk/repositories.upstream /etc/apk/repositories.upstream
COPY --from=mirror /etc/apk/keys /etc/apk/keys/
COPY --from=mirror /mirror /mirror/
COPY --from=mirror /go/bin /go/bin/
COPY --from=mirror /usr/share/ovmf/bios.bin /usr/share/ovmf/bios.bin
COPY --from=mirror /usr/share/ovmf/ /usr/share/ovmf/
COPY --from=mirror /Dockerfile /Dockerfile
RUN apk update && apk upgrade -a