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Unwrap URL errors on retry

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When authorization errors are returned by the token process the error will be wrapped in url.Error.
In order to check the underlying error for retry this error message should be unwrapped.
Unwrapping this error allows failure to push due to an unauthorized response to keep from retrying, possibly resulting in later 429 responses.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan 2016-01-20 14:29:38 -08:00 • committed by Tibor Vass
parent 084a60e8e1
commit e08cf4fd80
1 changed files with 2 additions and 0 deletions
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2
distribution/registry.go
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@ -145,6 +145,8 @@ func retryOnError(err error) error {
case errcode.ErrorCodeUnauthorized, errcode.ErrorCodeUnsupported, errcode.ErrorCodeDenied:
return xfer.DoNotRetry{Err: err}
}
case *url.Error:
return retryOnError(v.Err)
case *client.UnexpectedHTTPResponseError:
return xfer.DoNotRetry{Err: err}
}