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Docker registry v2 cleanup script
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| #!/bin/bash | |
| ### your registry must have the following environment var set | |
| # REGISTRY_STORAGE_DELETE_ENABLED=true | |
| ### replace YOUR_SERVER with corect info | |
| REGISTRY_URL=https://YOUR_SERVER:5000 | |
| ### host registry volume folder | |
| REGISTRY_ROOT=/registry | |
| ### container to execute garbage-collect | |
| CONTAINER_NAME=services_registry.1 | |
| ### config file used by your registry | |
| REG_CONFIG=/etc/docker/registry/config.yml | |
| ### number of most recent digests to keep | |
| NUM_DIGEST_KEEP=3 | |
| ### tag to check | |
| TAG=latest | |
| if ! [ -r $REGISTRY_ROOT ]; then | |
| echo registry root $REGISTRY_ROOT not readable | |
| exit; | |
| fi | |
| CONTAINER=`docker ps | grep $CONTAINER_NAME | cut -d' ' -f1` | |
| if [ -z $CONTAINER ]; then | |
| echo container $CONTAINER_NAME not found | |
| exit 1 | |
| fi | |
| for repo in `ls $REGISTRY_ROOT/docker/registry/v2/repositories` ; do | |
| echo $repo | |
| for hash in `ls $REGISTRY_ROOT/docker/registry/v2/repositories/$repo/_manifests/tags/$TAG/index/sha256 -t | tail -n +$NUM_DIGEST_KEEP`; do | |
| echo $hash | |
| curl -X DELETE $REGISTRY_URL/v2/$repo/manifests/sha256:$hash; | |
| done | |
| done | |
| docker exec $CONTAINER /bin/registry garbage-collect $REG_CONFIG |
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