Container Support

Task #3950

Updated by jortel@redhat.com about 6 years ago

Create the Tag model.   

 Tag(Content): 
 * name CharField(255) 
 * manifest ForeignKey(Manifest, related_name='tags', on_delete=CASCADE) 
 * manifest_list ForeignKey(ManifestList, related_name='tags', on_delete=CASCADE) 

 unique_together = (name, manifest) 
 unique_together = (name, manifest_list) 

 Design assumptions: 

 * Pre-save validation on the model will prevent both manifest and manifest_list from being set. 
 * 

 Tag name uniqueness and referential integrity{1} will be enforced by the plugin.    During sync, this happens in the task logic. For content add/remove API calls, this happens in the (docker specific) view.    Both can re-use the same code. 

 *[1]* Tag referential integrity is ensuring that when a manifest or manifest_list is removed from a repository, referencing tags are also removed.    Also, when a tag is added to a repository, referenced manifest or manifest_list are also added.

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