vaultwarden/hooks/push

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#!/bin/bash
echo ">>> Pushing images..."
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
set -ex
declare -A images
for arch in ${arches[@]}; do
images[$arch]="${DOCKER_REPO}:${DOCKER_TAG}-${arch}"
done
# Push the images that were just built; manifest list creation fails if the
# images (manifests) referenced don't already exist in the Docker registry.
for image in "${images[@]}"; do
docker push "${image}"
done
manifest_lists=("${DOCKER_REPO}:${DOCKER_TAG}")
# If the Docker tag starts with a version number, assume the latest release is
# being pushed. Add an extra manifest (`latest-release` or `alpine-release`,
# as appropriate) to make it easier to track the latest release.
if [[ "${DOCKER_TAG}" =~ ^[0-9]+\.[0-9]+\.[0-9]+ ]]; then
if [[ "${DOCKER_TAG}" == *alpine ]]; then
manifest_lists+=(${DOCKER_REPO}:alpine-release)
else
manifest_lists+=(${DOCKER_REPO}:latest-release)
fi
fi
for manifest_list in "${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]}
done
# Push the manifest list.
docker manifest push --purge ${manifest_list}
done
# Avoid logging credentials and tokens.
set +ex
# Delete the arch-specific tags, if credentials for doing so are available.
# Note that `DOCKER_PASSWORD` must be the actual user password. Passing a JWT
# obtained using a personal access token results in a 403 error with
# {"detail": "access to the resource is forbidden with personal access token"}
if [[ -z "${DOCKER_USERNAME}" || -z "${DOCKER_PASSWORD}" ]]; then
exit 0
fi
# 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#*/}"
for arch in ${arches[@]}; do
tag="${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