distribution/registry/api/v2/errors.go

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package v2
import (
"net/http"
"github.com/docker/distribution/registry/api/errcode"
)
const (
// ErrorCodeUnsupported is returned when an operation is not supported.
ErrorCodeUnsupported = iota
// ErrorCodeUnauthorized is returned if a request is not authorized.
ErrorCodeUnauthorized
// ErrorCodeDigestInvalid is returned when uploading a blob if the
// provided digest does not match the blob contents.
ErrorCodeDigestInvalid
// ErrorCodeSizeInvalid is returned when uploading a blob if the provided
// size does not match the content length.
ErrorCodeSizeInvalid
// ErrorCodeNameInvalid is returned when the name in the manifest does not
// match the provided name.
ErrorCodeNameInvalid
// ErrorCodeTagInvalid is returned when the tag in the manifest does not
// match the provided tag.
ErrorCodeTagInvalid
// ErrorCodeNameUnknown when the repository name is not known.
ErrorCodeNameUnknown
// ErrorCodeManifestUnknown returned when image manifest is unknown.
ErrorCodeManifestUnknown
// ErrorCodeManifestInvalid returned when an image manifest is invalid,
// typically during a PUT operation. This error encompasses all errors
// encountered during manifest validation that aren't signature errors.
ErrorCodeManifestInvalid
// ErrorCodeManifestUnverified is returned when the manifest fails
// signature verfication.
ErrorCodeManifestUnverified
// ErrorCodeManifestBlobUnknown is returned when a manifest blob is
// unknown to the registry.
ErrorCodeManifestBlobUnknown
// ErrorCodeBlobUnknown is returned when a blob is unknown to the
// registry. This can happen when the manifest references a nonexistent
// layer or the result is not found by a blob fetch.
ErrorCodeBlobUnknown
// ErrorCodeBlobUploadUnknown is returned when an upload is unknown.
ErrorCodeBlobUploadUnknown
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// ErrorCodeBlobUploadInvalid is returned when an upload is invalid.
ErrorCodeBlobUploadInvalid
)
// ErrorDescriptors provides a list of HTTP API Error codes that may be
// encountered when interacting with the registry API.
var errorDescriptors = []errcode.ErrorDescriptor{
{
Code: ErrorCodeUnsupported,
Value: "UNSUPPORTED",
Message: "The operation is unsupported.",
Description: `The operation was unsupported due to a missing
implementation or invalid set of parameters.`,
},
{
Code: ErrorCodeUnauthorized,
Value: "UNAUTHORIZED",
Message: "access to the requested resource is not authorized",
Description: `The access controller denied access for the operation on
a resource. Often this will be accompanied by a 401 Unauthorized
response status.`,
HTTPStatusCode: http.StatusForbidden,
},
{
Code: ErrorCodeDigestInvalid,
Value: "DIGEST_INVALID",
Message: "provided digest did not match uploaded content",
Description: `When a blob is uploaded, the registry will check that
the content matches the digest provided by the client. The error may
include a detail structure with the key "digest", including the
invalid digest string. This error may also be returned when a manifest
includes an invalid layer digest.`,
HTTPStatusCode: http.StatusBadRequest,
},
{
Code: ErrorCodeSizeInvalid,
Value: "SIZE_INVALID",
Message: "provided length did not match content length",
Description: `When a layer is uploaded, the provided size will be
checked against the uploaded content. If they do not match, this error
will be returned.`,
HTTPStatusCode: http.StatusBadRequest,
},
{
Code: ErrorCodeNameInvalid,
Value: "NAME_INVALID",
Message: "invalid repository name",
Description: `Invalid repository name encountered either during
manifest validation or any API operation.`,
HTTPStatusCode: http.StatusBadRequest,
},
{
Code: ErrorCodeTagInvalid,
Value: "TAG_INVALID",
Message: "manifest tag did not match URI",
Description: `During a manifest upload, if the tag in the manifest
does not match the uri tag, this error will be returned.`,
HTTPStatusCode: http.StatusBadRequest,
},
{
Code: ErrorCodeNameUnknown,
Value: "NAME_UNKNOWN",
Message: "repository name not known to registry",
Description: `This is returned if the name used during an operation is
unknown to the registry.`,
HTTPStatusCode: http.StatusNotFound,
},
{
Code: ErrorCodeManifestUnknown,
Value: "MANIFEST_UNKNOWN",
Message: "manifest unknown",
Description: `This error is returned when the manifest, identified by
name and tag is unknown to the repository.`,
HTTPStatusCode: http.StatusNotFound,
},
{
Code: ErrorCodeManifestInvalid,
Value: "MANIFEST_INVALID",
Message: "manifest invalid",
Description: `During upload, manifests undergo several checks ensuring
validity. If those checks fail, this error may be returned, unless a
more specific error is included. The detail will contain information
the failed validation.`,
HTTPStatusCode: http.StatusBadRequest,
},
{
Code: ErrorCodeManifestUnverified,
Value: "MANIFEST_UNVERIFIED",
Message: "manifest failed signature verification",
Description: `During manifest upload, if the manifest fails signature
verification, this error will be returned.`,
HTTPStatusCode: http.StatusBadRequest,
},
{
Code: ErrorCodeManifestBlobUnknown,
Value: "MANIFEST_BLOB_UNKNOWN",
Message: "blob unknown to registry",
Description: `This error may be returned when a manifest blob is
unknown to the registry.`,
HTTPStatusCode: http.StatusBadRequest,
},
{
Code: ErrorCodeBlobUnknown,
Value: "BLOB_UNKNOWN",
Message: "blob unknown to registry",
Description: `This error may be returned when a blob is unknown to the
registry in a specified repository. This can be returned with a
standard get or if a manifest references an unknown layer during
upload.`,
HTTPStatusCode: http.StatusNotFound,
},
{
Code: ErrorCodeBlobUploadUnknown,
Value: "BLOB_UPLOAD_UNKNOWN",
Message: "blob upload unknown to registry",
Description: `If a blob upload has been cancelled or was never
started, this error code may be returned.`,
HTTPStatusCode: http.StatusNotFound,
},
{
Code: ErrorCodeBlobUploadInvalid,
Value: "BLOB_UPLOAD_INVALID",
Message: "blob upload invalid",
Description: `The blob upload encountered an error and can no
longer proceed.`,
HTTPStatusCode: http.StatusNotFound,
},
}
// init registers our errors with the errcode system
func init() {
errcode.LoadErrors(&errorDescriptors)
}