Images being pushed to $CSCS_REGISTRY_PATH (see CI variables) are cleaned up in the background according to the following rules:
- No deletion if total storage usage < 300GB
- No deletion of images newer than 30 days
- First cleanup excluding folders
base,baseimg,baseimage,deploy,deployment- Delete images that have been unused for more than 30 days (usage means that the image has been downloaded)
- Second cleanup if storage usage is still > 300GB
- Delete images in the above mentioned excluded folders if the image has been unused for more than 365 days