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Adds functional options arguments to the Blobs Create method

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Removes the Mount operation and instead implements this behavior as part
of Create a From option is provided, which in turn returns a rich
ErrBlobMounted indicating that a blob upload session was not initiated,
but instead the blob was mounted from another repository

Signed-off-by: Brian Bland <brian.bland@docker.com>
This commit is contained in:
Brian Bland 2016-01-13 11:44:42 -08:00
parent 4378e1aa85
commit ce88d8a6f4
13 changed files with 217 additions and 120 deletions
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19
docs/spec/api.md
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@ -735,6 +735,25 @@ the uploaded blob which may differ from the provided digest. Most clients may
ignore the value but if it is used, the client should verify the value against
the uploaded blob data.
If a mount fails due to invalid repository or digest arguments, the registry
will fall back to the standard upload behavior and return a `202 Accepted` with
the upload URL in the `Location` header:
```
202 Accepted
Location: /v2/<name>/blobs/uploads/<uuid>
Range: bytes=0-<offset>
Content-Length: 0
Docker-Upload-UUID: <uuid>
```
This behavior is consistent with older versions of the registry, which do not
recognize the repository mount query parameters.
Note: a client may issue a HEAD request to check existence of a blob in a source
repository to distinguish between the registry not supporting blob mounts and
the blob not existing in the expected repository.
##### Errors
If an 502, 503 or 504 error is received, the client should assume that the