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remove clean registry

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Signed-off-by: Jess Frazelle <acidburn@github.com>
This commit is contained in:
Jess Frazelle 2018-12-28 19:51:48 -05:00
parent 12e77bc673
commit 37eb951c89
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2 changed files with 0 additions and 89 deletions
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15
clean-registry/Dockerfile
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FROM r.j3ss.co/reg as reg
FROM jess/gcloud
RUN apk add --no-cache \
ca-certificates \
bash \
jq \
parallel
WORKDIR /root
COPY clean-registry /usr/bin/clean-registry
COPY --from=reg /usr/bin/reg /usr/bin/reg
ENTRYPOINT ["clean-registry"]

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clean-registry/clean-registry
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#!/bin/bash
##############################################################################
# clean-registry
# -----------
# Deletes old registry blobs that are not used in the latest version of the tag.
# This script assumes your registry is hosted on Google Cloud Storage.
#
# Usage:
# clean-registry
#
# :authors: Jess Frazelle, @jessfraz
# :date: 20 September 2016
# :version: 0.0.1
##############################################################################
set -e
set -o pipefail
REPO_URL="${REPO_URL:-r.j3ss.co}"
BUCKET_PREFIX="gs://${REPO_URL}/docker/registry/v2"
JOBS=${JOBS:-10}
# get the repos
mapfile -t repos < <(gsutil ls "${BUCKET_PREFIX}/repositories/" | awk -F"/" '{print $(NF-1)}')
for repo in "${repos[@]}"; do
# get the tags
mapfile -t tags < <(gsutil ls "${BUCKET_PREFIX}/repositories/${repo}/_manifests/tags/" | awk -F"/" '{print $(NF-1)}')
for tag in "${tags[@]}"; do
echo "repo: $repo | tag: $tag"
# get the latest index for the tag
current=$(gsutil cat "${BUCKET_PREFIX}/repositories/${repo}/_manifests/tags/${tag}/current/link" || true)
if [[ "$current" == "true" ]]; then
# continue the loop since we cannot cat
continue
fi
# split on : since the link comes back as:
# sha256:97bf033cf680a2fe49a6f0df40ac76dba97bc71745aeb06018dbf9df5de74bd6
ha=${current%:*}
id=${current#*:}
# get the manifest
manifest=$(gsutil cat "${BUCKET_PREFIX}/blobs/sha256/${id:0:2}/${id}/data" || true)
if [[ "$manifest" == "true" ]]; then
# continue the loop since we cannot cat
continue
fi
manifest_media_type=$(echo "${manifest}" | jq -r '.mediaType')
echo "media-type: $manifest_media_type"
if [ "${manifest_media_type}" == "application/vnd.docker.distribution.manifest.list.v2+json" ] ; then
# we have a manifest list and fetch the referenced manifests
mapfile -t additional_manifests < <(echo "${manifest}" | jq -r '.["manifests"] | .[].digest' | cut -d: -f2)
echo "additional_manifests: ${additional_manifests[*]}"
fi
echo "repo: $repo | tag: $tag | current: ${ha}:${id}"
# get the shas
mapfile -t shas < <(gsutil ls "${BUCKET_PREFIX}/repositories/${repo}/_manifests/tags/${tag}/index/${ha}/" | awk -F"/" '{print $(NF-1)}')
# remove the current sha
shas=( "${shas[@]/$id}" )
# shellcheck disable=SC2199
if [[ "${shas[@]}" != "" ]] && [[ ! -z "${shas[@]}" ]]; then
echo "[to be removed]: ${shas[*]}"
#parallel -j"${JOBS}" reg rm "${REPO_URL}/${repo}@${ha}:{1}" ::: "${shas[@]}" || true
fi
done
done