registry_cleanup

Docker private registry cleanup script

build image

docker build -t registry-cleanup . 

cleanup your registry

you can setup username and password to easy remove the same images on different registries:

USERNAME='username'
PASSWD='your password'
URL="https://private-registry.org"

In case you simply want to check available tags in the registry for paritcular image:

docker run -i -t --rm=true -v /var/container_data/registry/otlabs-registry:/opt/registry registry-cleanup -u $USERNAME -p $PASSWD -o  "$URL" -i {image_name to delete}

for example:

docker run -i -t --rm=true -v /var/container_data/registry/otlabs-registry:/opt/registry registry-cleanup -u $USERNAME -p $PASSWD -o  "$URL" -i otlabs/tsmue-spdeploy_installmariadb
56
b-64-RELEASE

To show image layer IDs you can do following:

docker run -i -t --rm=true -v /var/container_data/registry/otlabs-registry:/opt/registry registry-cleanup -u $USERNAME -p $PASSWD -o  "$URL" -i {image to delete} -t {tag to delete}

to continue previous example:

docker run -i -t --rm=true -v /var/container_data/registry/otlabs-registry:/opt/registry registry-cleanup -u $USERNAME -p $PASSWD -o  "$URL" -i otlabs/tsmue-spdeploy_installmariadb -t 56 
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if you are sure that you want to delete this image with all layers from registry, it's necessary to run it on registry server itself with -l parameter where you put registry data:

docker run -i -t --rm=true -v /var/container_data/registry/otlabs-registry:/opt/registry registry-cleanup -u $USERNAME -p $PASSWD -o  "$URL" -i {image to delete} -t {tag to delete} -l /opt/registry

for instance, if you would like to delete image from pevious example:

docker run -i -t --rm=true -v /var/container_data/registry/otlabs-registry:/opt/registry registry-cleanup -u $USERNAME -p $PASSWD -o  "$URL" -i otlabs/tsmue-spdeploy_installmariadb -t 56 -l /opt/registry