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34 lines
1.2 KiB
34 lines
1.2 KiB
4 years ago
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#!/bin/bash
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v2=$1
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v2=${v2:="/var/lib/registry/docker/registry/v2"}
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all_blobs=/tmp/all_blobs.list
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cd ${v2}
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: > ${all_blobs}
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# delete unlink blob's link file in _layers
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for link in $(find repositories -type f -name "link" | grep -E "_layers\/sha256\/.*"); do
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link_sha256=$(echo ${link} | grep -Eo "_layers\/sha256\/.*" | sed 's/_layers\/sha256\///g;s/\/link//g')
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link_short=${link:0:2}
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link_dir=$(echo ${link} | sed 's/\/link//')
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data_file=blobs/sha256/${link_short}/${link}
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if [[ ! -d ${data_file} ]]; then echo "Del link: ${link_dir}"; rm -rf ${link_dir}; fi
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done
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#marking all the blob by all images manifest
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for tag in $(find repositories -name "link" | grep current); do
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link=$(cat ${tag} | cut -c8-71)
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mfs=blobs/sha256/${link:0:2}/${link}/data
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echo ${link} >> ${all_blobs}
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grep -Eo "\b[a-f0-9]{64}\b" ${mfs} | sort -n | uniq | cut -c1-12 >> ${all_blobs}
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done
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#delete blob if the blob doesn't exist in all_blobs.list
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for blob in $(find blobs -name "data" | cut -d "/" -f4); do
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if ! grep ${blob} ${all_blobs}; then
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echo "Del blob: blobs/sha256/${blob:0:2}/${blob}"
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rm -rf blobs/sha256/${blob:0:2}/${blob}
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fi
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done
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