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distribution/client/errors.go
Stephen J Day 7b56d10076 Lock down HTTP API error codes
This commit locks down the set of http error codes that will be part of the
inital V2 specification, proposed in docker/docker#9015. The naming order has
been slightly changed and there are few tweaks to ensure all conditions are
captured but this will be set the docker core will be impleemnted against.

To support this, the errors have been moved into an api/errors package. A new
type, ErrorDescriptor, has been defined to centralize the code, message and
definitions used with each type. The information therein can be used to
generate documentation and response code mappings (yet to come...).

In addition to the refactoring that came along with this change, several tests
have been added to ensure serialization round trips are reliable. This allows
better support for using these error types on the client and server side. This
is coupled with some tweaks in the client code to fix issues with error
reporting.

Other fixes in the client include moving client-specific errors out of the base
package and ensuring that we have correct parameters for finishing uploads.
2014-12-10 11:49:04 -08:00

80 lines
2.2 KiB
Go

package client
import (
"fmt"
"github.com/docker/docker-registry/digest"
)
// RepositoryNotFoundError is returned when making an operation against a
// repository that does not exist in the registry.
type RepositoryNotFoundError struct {
Name string
}
func (e *RepositoryNotFoundError) Error() string {
return fmt.Sprintf("No repository found with Name: %s", e.Name)
}
// ImageManifestNotFoundError is returned when making an operation against a
// given image manifest that does not exist in the registry.
type ImageManifestNotFoundError struct {
Name string
Tag string
}
func (e *ImageManifestNotFoundError) Error() string {
return fmt.Sprintf("No manifest found with Name: %s, Tag: %s",
e.Name, e.Tag)
}
// BlobNotFoundError is returned when making an operation against a given image
// layer that does not exist in the registry.
type BlobNotFoundError struct {
Name string
Digest digest.Digest
}
func (e *BlobNotFoundError) Error() string {
return fmt.Sprintf("No blob found with Name: %s, Digest: %s",
e.Name, e.Digest)
}
// BlobUploadNotFoundError is returned when making a blob upload operation against an
// invalid blob upload location url.
// This may be the result of using a cancelled, completed, or stale upload
// location.
type BlobUploadNotFoundError struct {
Location string
}
func (e *BlobUploadNotFoundError) Error() string {
return fmt.Sprintf("No blob upload found at Location: %s", e.Location)
}
// BlobUploadInvalidRangeError is returned when attempting to upload an image
// blob chunk that is out of order.
// This provides the known BlobSize and LastValidRange which can be used to
// resume the upload.
type BlobUploadInvalidRangeError struct {
Location string
LastValidRange int
BlobSize int
}
func (e *BlobUploadInvalidRangeError) Error() string {
return fmt.Sprintf(
"Invalid range provided for upload at Location: %s. Last Valid Range: %d, Blob Size: %d",
e.Location, e.LastValidRange, e.BlobSize)
}
// UnexpectedHTTPStatusError is returned when an unexpected HTTP status is
// returned when making a registry api call.
type UnexpectedHTTPStatusError struct {
Status string
}
func (e *UnexpectedHTTPStatusError) Error() string {
return fmt.Sprintf("Received unexpected HTTP status: %s", e.Status)
}