@ -1,117 +1,138 @@
#!/bin/bash
echo ">>> Pushing images..."
source ./hooks/arches.sh
export DOCKER_CLI_EXPERIMENTAL=enabled
declare -A annotations=(
[amd64]="--os linux --arch amd64"
[arm32v6]="--os linux --arch arm --variant v6"
[arm32v7]="--os linux --arch arm --variant v7"
[arm64v8]="--os linux --arch arm64 --variant v8"
)
source ./hooks/arches.sh
# Join a list of args with a single char.
# Ref: https://stackoverflow.com/a/17841619
join() { local IFS="$1"; shift; echo "$*"; }
set -ex
declare -A images
echo ">>> Starting local Docker registry..."
# Docker Buildx's `docker-container` driver is needed for multi-platform
# builds, but it can't access existing images on the Docker host (like the
# cross-compiled ones we just built). Those images first need to be pushed to
# a registry -- Docker Hub could be used, but since it's not trivial to clean
# up those intermediate images on Docker Hub, it's easier to just run a local
# Docker registry, which gets cleaned up automatically once the build job ends.
#
# https://docs.docker.com/registry/deploying/
# https://hub.docker.com/_/registry
#
# Use host networking so the buildx container can access the registry via
# localhost.
#
docker run -d --name registry --network host registry:2 # defaults to port 5000
# Docker Hub sets a `DOCKER_REPO` env var with the format `index.docker.io/user/repo`.
# Strip the registry portion to construct a local repo path for use in `Dockerfile.buildx`.
LOCAL_REGISTRY="localhost:5000"
REPO="${DOCKER_REPO#*/}"
LOCAL_REPO="${LOCAL_REGISTRY}/${REPO}"
echo ">>> Pushing images to local registry..."
for arch in ${arches[@]}; do
images[$arch]="${DOCKER_REPO}:${DOCKER_TAG}-${arch}"
docker_image="${DOCKER_REPO}:${DOCKER_TAG}-${arch}"
local_image="${LOCAL_REPO}:${DOCKER_TAG}-${arch}"
docker tag "${docker_image}" "${local_image}"
docker push "${local_image}"
done
# Push the images that were just built; manifest list creation fails if the
# images (manifests) referenced don't already exist in the Docker registry.
for image in "${images[@]}"; do
docker push "${image}"
done
echo ">>> Setting up Docker Buildx..."
# Same as earlier, use host networking so the buildx container can access the
# registry via localhost.
#
# Ref: https://github.com/docker/buildx/issues/94#issuecomment-534367714
#
docker buildx create --name builder --use --driver-opt network=host
manifest_lists=("${DOCKER_REPO}:${DOCKER_TAG}")
echo ">>> Running Docker Buildx..."
# If the Docker tag starts with a version number, assume the latest release is
# being pushed. Add an extra manifest (`latest` or `alpine`, as appropriate)
tags=("${DOCKER_REPO}:${DOCKER_TAG}")
# If the Docker tag starts with a version number, assume the latest release
# is being pushed. Add an extra tag (`latest` or `alpine`, as appropriate)
# to make it easier for users to track the latest release.
if [[ "${DOCKER_TAG}" =~ ^[0-9]+\.[0-9]+\.[0-9]+ ]]; then
if [[ "${DOCKER_TAG}" == *alpine ]]; then
manifest_lists+=(${DOCKER_REPO}:alpine)
tag s+=(${DOCKER_REPO}:alpine)
else
manifest_lists+=(${DOCKER_REPO}:latest)
# Add an extra `latest-arm32v6` tag; Docker can't seem to properly
# auto-select that image on Armv6 platforms like Raspberry Pi 1 and Zero
# (https://github.com/moby/moby/issues/41017).
#
# Add this tag only for the SQLite image, as the MySQL and PostgreSQL
# builds don't currently work on non-amd64 arches.
#
# TODO: Also add an `alpine-arm32v6` tag if multi-arch support for
# Alpine-based bitwarden_rs images is implemented before this Docker
# issue is fixed.
if [[ ${DOCKER_REPO} == *server ]]; then
docker tag "${DOCKER_REPO}:${DOCKER_TAG}-arm32v6" "${DOCKER_REPO}:latest-arm32v6"
docker push "${DOCKER_REPO}:latest-arm32v6"
fi
tags+=(${DOCKER_REPO}:latest)
fi
fi
for manifest_list in "${manifest_lists[@]}"; do
# Create the (multi-arch) manifest list of arch-specific images.
docker manifest create ${manifest_list} ${images[@]}
# Make sure each image manifest is annotated with the correct arch info.
# Docker does not auto-detect the arch of each cross-compiled image, so
# everything would appear as `linux/amd64` otherwise.
for arch in "${arches[@]}"; do
docker manifest annotate ${annotations[$arch]} ${manifest_list} ${images[$arch]}
tag_args=()
for tag in "${tags[@]}"; do
tag_args+=(--tag "${tag}")
done
# Push the manifest list.
docker manifest push --purge ${manifest_list}
# Docker Buildx takes a list of target platforms (OS/arch/variant), so map
# the arch list to a platform list (assuming the OS is always `linux`).
declare -A arch_to_platform=(
[amd64]="linux/amd64"
[armv6]="linux/arm/v6"
[armv7]="linux/arm/v7"
[arm64]="linux/arm64"
)
platforms=()
for arch in ${arches[@]}; do
platforms+=("${arch_to_platform[$arch]}")
done
platforms="$(join "," "${platforms[@]}")"
# Run the build, pushing the resulting images and multi-arch manifest list to
# Docker Hub. The Dockerfile is read from stdin to avoid sending any build
# context, which isn't needed here since the actual cross-compiled images
# have already been built.
docker buildx build \
--network host \
--build-arg LOCAL_REPO="${LOCAL_REPO}" \
--build-arg DOCKER_TAG="${DOCKER_TAG}" \
--platform "${platforms}" \
"${tag_args[@]}" \
--push \
- < ./docker/Dockerfile.buildx
# Add an extra arch-specific tag for `arm32v6`; Docker can't seem to properly
# auto-select that image on ARMv6 platforms like Raspberry Pi 1 and Zero
# (https://github.com/moby/moby/issues/41017).
#
# Note that we use `arm32v6` instead of `armv6` to be consistent with the
# existing bitwarden_rs tags, which adhere to the naming conventions of the
# Docker per-architecture repos (e.g., https://hub.docker.com/u/arm32v6).
# Unfortunately, these per-arch repo names aren't always consistent with the
# corresponding platform (OS/arch/variant) IDs, particularly in the case of
# 32-bit ARM arches (e.g., `linux/arm/v6` is used, not `linux/arm32/v6`).
#
# TODO: It looks like this issue should be fixed starting in Docker 20.10.0,
# so this step can be removed once fixed versions are in wider distribution.
#
# Tags:
#
# testing => testing-arm32v6
# testing-alpine => <ignored>
# x.y.z => x.y.z-arm32v6, latest-arm32v6
# x.y.z-alpine => <ignored>
#
if [[ "${DOCKER_TAG}" != *alpine ]]; then
image="${DOCKER_REPO}":"${DOCKER_TAG}"
# Avoid logging credentials and tokens.
set +ex
# Delete the arch-specific tags, if credentials for doing so are available.
# Note that `DOCKER_PASSWORD` must be the actual user password. Passing a JWT
# obtained using a personal access token results in a 403 error with
# {"detail": "access to the resource is forbidden with personal access token"}
if [[ -z "${DOCKER_USERNAME}" || -z "${DOCKER_PASSWORD}" ]]; then
exit 0
fi
# Fetch the multi-arch manifest list and find the digest of the armv6 image.
filter='.manifests|.[]|select(.platform.architecture=="arm" and .platform.variant=="v6")|.digest'
digest="$(docker manifest inspect "${image}" | jq -r "${filter}")"
# Given a JSON input on stdin, extract the string value associated with the
# specified key. This avoids an extra dependency on a tool like `jq`.
extract() {
local key="$1"
# Extract "<key>":"<val>" (assumes key/val won't contain double quotes).
# The colon may have whitespace on either side.
grep -o "\"${key}\"[[:space:]]*:[[:space:]]*\"[^\"]\+\"" |
# Extract just <val> by deleting the last '"', and then greedily deleting
# everything up to '"'.
sed -e 's/"$//' -e 's/.*"//'
}
echo ">>> Getting API token..."
jwt=$(curl -sS -X POST \
-H "Content-Type: application/json" \
-d "{\"username\":\"${DOCKER_USERNAME}\",\"password\": \"${DOCKER_PASSWORD}\"}" \
"https://hub.docker.com/v2/users/login" |
extract 'token')
# Strip the registry portion from `index.docker.io/user/repo`.
repo="${DOCKER_REPO#*/}"
# Pull the armv6 image by digest, retag it, and repush it.
docker pull "${DOCKER_REPO}"@"${digest}"
docker tag "${DOCKER_REPO}"@"${digest}" "${image}"-arm32v6
docker push "${image}"-arm32v6
for arch in ${arches[@]}; do
# Don't delete the `arm32v6` tag; Docker can't seem to properly
# auto-select that image on Armv6 platforms like Raspberry Pi 1 and Zero
# (https://github.com/moby/moby/issues/41017).
if [[ ${arch} == 'arm32v6' ]]; then
continue
if [[ "${DOCKER_TAG}" =~ ^[0-9]+\.[0-9]+\.[0-9]+ ]]; then
docker tag "${image}"-arm32v6 "${DOCKER_REPO}:latest"-arm32v6
docker push "${DOCKER_REPO}:latest"-arm32v6
fi
fi
tag="${DOCKER_TAG}-${arch}"
echo ">>> Deleting '${repo}:${tag}'..."
curl -sS -X DELETE \
-H "Authorization: Bearer ${jwt}" \
"https://hub.docker.com/v2/repositories/${repo}/tags/${tag}/"
done
Daniel García
4 years ago
committed by
GitHub