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Support pulling of schema2 manifests directly via a manifest list tag

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This change ensures that if a manifest list is requested with an accepts header for a *schema 2* manifest, the legacy manifest (if any) is returned as schema 2 if it was pushed as a schema 2 manifest (rather than being auto-converted to schema 1)
This commit is contained in:
Joseph Schorr 2018-12-06 12:40:34 -05:00
parent a35982f2be
commit 3c2e050593
14 changed files with 215 additions and 15 deletions
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7
image/docker/interfaces.py
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@ -115,6 +115,13 @@ class ManifestInterface(object):
If none, returns None.
"""
@abstractmethod
def convert_manifest(self, allowed_mediatypes, namespace_name, repo_name, tag_name,
content_retriever):
""" Returns a version of this schema that has a media type found in the given media type set.
If not possible, or an error occurs, returns None.
"""
@add_metaclass(ABCMeta)
class ContentRetriever(object):