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Dockerfile: variant support in frozen-images stage

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using TARGETVARIANT in frozen-images stage implies changes in
`download-frozen-image-v2.sh` script to add support for variants
so we are able to build against more platforms.

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
This commit is contained in:
CrazyMax 2022-09-08 16:13:41 +02:00
parent d806d0760d
commit 25dc760162
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GPG key ID: 3248E46B6BB8C7F7
2 changed files with 12 additions and 3 deletions
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5
Dockerfile
View file

@ -74,6 +74,9 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
&& git checkout -q "$GO_SWAGGER_COMMIT" \
&& go build -o /build/swagger github.com/go-swagger/go-swagger/cmd/swagger
# frozen-images
# See also frozenImages in "testutil/environment/protect.go" (which needs to
# be updated when adding images to this list)
FROM debian:${BASE_DEBIAN_DISTRO} AS frozen-images
ARG DEBIAN_FRONTEND
RUN --mount=type=cache,sharing=locked,id=moby-frozen-images-aptlib,target=/var/lib/apt \
@ -85,13 +88,13 @@ RUN --mount=type=cache,sharing=locked,id=moby-frozen-images-aptlib,target=/var/l
# Get useful and necessary Hub images so we can "docker load" locally instead of pulling
COPY contrib/download-frozen-image-v2.sh /
ARG TARGETARCH
ARG TARGETVARIANT
RUN /download-frozen-image-v2.sh /build \
busybox:latest@sha256:95cf004f559831017cdf4628aaf1bb30133677be8702a8c5f2994629f637a209 \
busybox:glibc@sha256:1f81263701cddf6402afe9f33fca0266d9fff379e59b1748f33d3072da71ee85 \
debian:bullseye-slim@sha256:dacf278785a4daa9de07596ec739dbc07131e189942772210709c5c0777e8437 \
hello-world:latest@sha256:d58e752213a51785838f9eed2b7a498ffa1cb3aa7f946dda11af39286c3db9a9 \
arm32v7/hello-world:latest@sha256:50b8560ad574c779908da71f7ce370c0a2471c098d44d1c8f6b513c5a55eeeb1
# See also frozenImages in "testutil/environment/protect.go" (which needs to be updated when adding images to this list)
FROM base AS cross-false

10
contrib/download-frozen-image-v2.sh
View file

@ -261,6 +261,10 @@ get_target_arch() {
echo amd64
}
get_target_variant() {
echo "${TARGETVARIANT:-}"
}
while [ $# -gt 0 ]; do
imageTag="$1"
shift
@ -311,11 +315,13 @@ while [ $# -gt 0 ]; do
found=""
targetArch="$(get_target_arch)"
targetVariant="$(get_target_variant)"
# parse first level multi-arch manifest
for i in "${!layers[@]}"; do
layerMeta="${layers[$i]}"
maniArch="$(echo "$layerMeta" | jq --raw-output '.platform.architecture')"
if [ "$maniArch" = "${targetArch}" ]; then
maniVariant="$(echo "$layerMeta" | jq --raw-output '.platform.variant')"
if [[ "$maniArch" = "${targetArch}" ]] && [[ -z "${targetVariant}" || "$maniVariant" = "${targetVariant}" ]]; then
digest="$(echo "$layerMeta" | jq --raw-output '.digest')"
# get second level single manifest
submanifestJson="$(
@ -332,7 +338,7 @@ while [ $# -gt 0 ]; do
fi
done
if [ -z "$found" ]; then
echo >&2 "error: manifest for $maniArch is not found"
echo >&2 "error: manifest for ${targetArch}${targetVariant:+/${targetVariant}} is not found"
exit 1
fi
;;