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56 lines
1.7 KiB
Bash
Executable File
56 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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##############################################################################
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# clean-registry
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# -----------
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# Deletes old registry blobs that are not used in the latest version of the tag.
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# This script assumes your registry is hosted on Google Cloud Storage.
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#
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# Usage:
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# clean-registry
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#
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# :authors: Jess Frazelle, @jessfraz
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# :date: 20 September 2016
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# :version: 0.0.1
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##############################################################################
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set -e
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set -o pipefail
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REPO_URL="${REPO_URL:-r.j3ss.co}"
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BUCKET_PREFIX="gs://${REPO_URL}/docker/registry/v2"
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JOBS=${JOBS:-10}
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# get the repos
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mapfile -t repos < <(gsutil ls "${BUCKET_PREFIX}/repositories/" | awk -F"/" '{print $(NF-1)}')
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for repo in "${repos[@]}"; do
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# get the tags
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mapfile -t tags < <(gsutil ls "${BUCKET_PREFIX}/repositories/${repo}/_manifests/tags/" | awk -F"/" '{print $(NF-1)}')
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for tag in "${tags[@]}"; do
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echo "repo: $repo | tag: $tag"
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# get the latest index for the tag
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current=$(gsutil cat "${BUCKET_PREFIX}/repositories/${repo}/_manifests/tags/${tag}/current/link" || true)
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if [[ "$current" == "true" ]]; then
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continue
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fi
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# split on : since the link comes back as:
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# sha256:97bf033cf680a2fe49a6f0df40ac76dba97bc71745aeb06018dbf9df5de74bd6
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ha=${current%:*}
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id=${current#*:}
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echo "repo: $repo | tag: $tag | current: ${ha}:${id}"
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# get the shas
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mapfile -t shas < <(gsutil ls "${BUCKET_PREFIX}/repositories/${repo}/_manifests/tags/${tag}/index/${ha}/" | awk -F"/" '{print $(NF-1)}')
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# remove the current sha
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shas=( "${shas[@]/$id}" )
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# shellcheck disable=SC2199
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if [[ "${shas[@]}" != "" ]] && [[ ! -z "${shas[@]}" ]]; then
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parallel -j"${JOBS}" reg rm "${REPO_URL}/${repo}@${ha}:{1}" ::: "${shas[@]}" || true
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fi
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done
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done
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