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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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11
image/docker/schema1.py
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@ -419,6 +419,17 @@ class DockerSchema1Manifest(ManifestInterface):
# used, so to ensure full backwards compatibility, we just always return the schema.
return self
def convert_manifest(self, allowed_mediatypes, namespace_name, repo_name, tag_name,
content_retriever):
if self.media_type in allowed_mediatypes:
return self
unsigned = self.unsigned()
if unsigned.media_type in allowed_mediatypes:
return unsigned
return None
def rewrite_invalid_image_ids(self, images_map):
"""
Rewrites Docker v1 image IDs and returns a generator of DockerV1Metadata.