distribution/api/v2/descriptors.go
2014-12-18 21:39:56 -08:00

985 lines
30 KiB
Go

package v2
import (
"net/http"
"regexp"
"github.com/docker/docker-registry/common"
"github.com/docker/docker-registry/digest"
)
var (
nameParameterDescriptor = ParameterDescriptor{
Name: "name",
Type: "string",
Format: common.RepositoryNameRegexp.String(),
Required: true,
Description: `Name of the target repository.`,
}
tagParameterDescriptor = ParameterDescriptor{
Name: "tag",
Type: "string",
Format: common.TagNameRegexp.String(),
Required: true,
Description: `Tag of the target manifiest.`,
}
uuidParameterDescriptor = ParameterDescriptor{
Name: "uuid",
Type: "opaque",
Required: true,
Description: `A uuid identifying the upload. This field can accept almost anything.`,
}
digestPathParameter = ParameterDescriptor{
Name: "digest",
Type: "path",
Required: true,
Format: digest.DigestRegexp.String(),
Description: `Digest of desired blob.`,
}
authHeader = ParameterDescriptor{
Name: "Authorization",
Type: "string",
Description: "rfc7235 compliant authorization header.",
Format: "<scheme> <token>",
Examples: []string{"Bearer dGhpcyBpcyBhIGZha2UgYmVhcmVyIHRva2VuIQ=="},
}
authChallengeHeader = ParameterDescriptor{
Name: "WWW-Authenticate",
Type: "string",
Description: "An RFC7235 compliant authentication challenge header.",
Format: `<scheme> realm="<realm>", ..."`,
Examples: []string{
`Bearer realm="https://auth.docker.com/", service="registry.docker.com", scopes="repository:library/ubuntu:pull"`,
},
}
contentLengthZeroHeader = ParameterDescriptor{
Name: "Content-Length",
Description: "The `Content-Length` header must be zero and the body must be empty.",
Type: "integer",
Format: "0",
}
)
const (
manifestBody = `{
"name": <name>,
"tag": <tag>,
"fsLayers": [
{
"blobSum": <tarsum>
},
...
]
],
"history": <v1 images>,
"signature": <JWS>
}`
errorsBody = `{
"errors:" [{
"code": <error code>,
"message": "<error message>",
"detail": ...
},
...
]
}`
)
// APIDescriptor exports descriptions of the layout of the v2 registry API.
var APIDescriptor = struct {
// RouteDescriptors provides a list of the routes available in the API.
RouteDescriptors []RouteDescriptor
// ErrorDescriptors provides a list of the error codes and their
// associated documentation and metadata.
ErrorDescriptors []ErrorDescriptor
}{
RouteDescriptors: routeDescriptors,
ErrorDescriptors: errorDescriptors,
}
// RouteDescriptor describes a route specified by name.
type RouteDescriptor struct {
// Name is the name of the route, as specified in RouteNameXXX exports.
// These names a should be considered a unique reference for a route. If
// the route is registered with gorilla, this is the name that will be
// used.
Name string
// Path is a gorilla/mux-compatible regexp that can be used to match the
// route. For any incoming method and path, only one route descriptor
// should match.
Path string
// Entity should be a short, human-readalbe description of the object
// targeted by the endpoint.
Entity string
// Description should provide an accurate overview of the functionality
// provided by the route.
Description string
// Methods should describe the various HTTP methods that may be used on
// this route, including request and response formats.
Methods []MethodDescriptor
}
// MethodDescriptor provides a description of the requests that may be
// conducted with the target method.
type MethodDescriptor struct {
// Method is an HTTP method, such as GET, PUT or POST.
Method string
// Description should provide an overview of the functionality provided by
// the covered method, suitable for use in documentation. Use of markdown
// here is encouraged.
Description string
// Requests is a slice of request descriptors enumerating how this
// endpoint may be used.
Requests []RequestDescriptor
}
// RequestDescriptor covers a particular set of headers and parameters that
// can be carried out with the parent method. Its most helpful to have one
// RequestDescriptor per API use case.
type RequestDescriptor struct {
// Name provides a short identifier for the request, usable as a title or
// to provide quick context for the particalar request.
Name string
// Description should cover the requests purpose, covering any details for
// this particular use case.
Description string
// Headers describes headers that must be used with the HTTP request.
Headers []ParameterDescriptor
// PathParameters enumerate the parameterized path components for the
// given request, as defined in the route's regular expression.
PathParameters []ParameterDescriptor
// QueryParameters provides a list of query parameters for the given
// request.
QueryParameters []ParameterDescriptor
// Body describes the format of the request body.
Body BodyDescriptor
// Successes enumerates the possible responses that are considered to be
// the result of a successful request.
Successes []ResponseDescriptor
// Failures covers the possible failures from this particular request.
Failures []ResponseDescriptor
}
// ResponseDescriptor describes the components of an API response.
type ResponseDescriptor struct {
// Name provides a short identifier for the response, usable as a title or
// to provide quick context for the particalar response.
Name string
// Description should provide a brief overview of the role of the
// response.
Description string
// StatusCode specifies the status recieved by this particular response.
StatusCode int
// Headers covers any headers that may be returned from the response.
Headers []ParameterDescriptor
// ErrorCodes enumerates the error codes that may be returned along with
// the response.
ErrorCodes []ErrorCode
// Body describes the body of the response, if any.
Body BodyDescriptor
}
// BodyDescriptor describes a request body and its expected content type. For
// the most part, it should be example json or some placeholder for body
// data in documentation.
type BodyDescriptor struct {
ContentType string
Format string
}
// ParameterDescriptor describes the format of a request parameter, which may
// be a header, path parameter or query parameter.
type ParameterDescriptor struct {
// Name is the name of the parameter, either of the path component or
// query parameter.
Name string
// Type specifies the type of the parameter, such as string, integer, etc.
Type string
// Description provides a human-readable description of the parameter.
Description string
// Required means the field is required when set.
Required bool
// Format is a specifying the string format accepted by this parameter.
Format string
// Regexp is a compiled regular expression that can be used to validate
// the contents of the parameter.
Regexp *regexp.Regexp
// Examples provides multiple examples for the values that might be valid
// for this parameter.
Examples []string
}
// ErrorDescriptor provides relevant information about a given error code.
type ErrorDescriptor struct {
// Code is the error code that this descriptor describes.
Code ErrorCode
// Value provides a unique, string key, often captilized with
// underscores, to identify the error code. This value is used as the
// keyed value when serializing api errors.
Value string
// Message is a short, human readable decription of the error condition
// included in API responses.
Message string
// Description provides a complete account of the errors purpose, suitable
// for use in documentation.
Description string
// HTTPStatusCodes provides a list of status under which this error
// condition may arise. If it is empty, the error condition may be seen
// for any status code.
HTTPStatusCodes []int
}
var routeDescriptors = []RouteDescriptor{
{
Name: RouteNameBase,
Path: "/v2/",
Entity: "Base",
Description: `Base V2 API route. Typically, this can be used for lightweight version checks and to validate registry authorization.`,
Methods: []MethodDescriptor{
{
Method: "GET",
Description: "Check that the endpoint implements Docker Registry API V2.",
Requests: []RequestDescriptor{
{
Headers: []ParameterDescriptor{
authHeader,
},
Successes: []ResponseDescriptor{
{
Description: "The API implements V2 protocol and is accessible.",
StatusCode: http.StatusOK,
},
},
Failures: []ResponseDescriptor{
{
Description: "The client is not authorized to access the registry.",
StatusCode: http.StatusUnauthorized,
Headers: []ParameterDescriptor{
authChallengeHeader,
},
},
{
Description: "The registry does not implement the V2 API.",
StatusCode: http.StatusNotFound,
},
},
},
},
},
},
},
{
Name: RouteNameTags,
Path: "/v2/{name:" + common.RepositoryNameRegexp.String() + "}/tags/list",
Entity: "Tags",
Description: "Retrieve information about tags.",
Methods: []MethodDescriptor{
{
Method: "GET",
Description: "Fetch the tags under the repository identified by `name`.",
Requests: []RequestDescriptor{
{
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
},
Successes: []ResponseDescriptor{
{
StatusCode: http.StatusOK,
Description: "A list of tags for the named repository.",
Body: BodyDescriptor{
ContentType: "application/json",
Format: `{
"name": <name>,
"tags": [
<tag>,
...
]
}`,
},
},
},
Failures: []ResponseDescriptor{
{
StatusCode: http.StatusNotFound,
Description: "The repository is not known to the registry.",
},
{
StatusCode: http.StatusUnauthorized,
Description: "The client doesn't have access to repository.",
},
},
},
},
},
},
},
{
Name: RouteNameManifest,
Path: "/v2/{name:" + common.RepositoryNameRegexp.String() + "}/manifests/{tag:" + common.TagNameRegexp.String() + "}",
Entity: "Manifest",
Description: "Create, update and retrieve manifests.",
Methods: []MethodDescriptor{
{
Method: "GET",
Description: "Fetch the manifest identified by `name` and `tag`.",
Requests: []RequestDescriptor{
{
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
tagParameterDescriptor,
},
Successes: []ResponseDescriptor{
{
Description: "The manifest idenfied by `name` and `tag`.",
StatusCode: http.StatusOK,
Body: BodyDescriptor{
ContentType: "application/json",
Format: manifestBody,
},
},
},
Failures: []ResponseDescriptor{
{
Description: "The name or tag was invalid.",
StatusCode: http.StatusBadRequest,
ErrorCodes: []ErrorCode{
ErrorCodeNameInvalid,
ErrorCodeTagInvalid,
},
Body: BodyDescriptor{
ContentType: "application/json",
Format: errorsBody,
},
},
{
Description: "The named manifest is not known to the registry.",
StatusCode: http.StatusNotFound,
ErrorCodes: []ErrorCode{
ErrorCodeNameUnknown,
ErrorCodeManifestUnknown,
},
Body: BodyDescriptor{
ContentType: "application/json",
Format: errorsBody,
},
},
},
},
},
},
{
Method: "PUT",
Description: "Put the manifest identified by `name` and `tag`.",
Requests: []RequestDescriptor{
{
Headers: []ParameterDescriptor{
authHeader,
},
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
tagParameterDescriptor,
},
Body: BodyDescriptor{
ContentType: "application/json",
Format: manifestBody,
},
Successes: []ResponseDescriptor{
{
StatusCode: http.StatusAccepted,
},
},
Failures: []ResponseDescriptor{
{
StatusCode: http.StatusBadRequest,
ErrorCodes: []ErrorCode{
ErrorCodeNameInvalid,
ErrorCodeTagInvalid,
ErrorCodeManifestInvalid,
ErrorCodeManifestUnverified,
ErrorCodeBlobUnknown,
},
},
{
Description: "One or more layers may be missing during a manifest upload. If so, the missing layers will be enumerated in the error response.",
StatusCode: http.StatusBadRequest,
ErrorCodes: []ErrorCode{
ErrorCodeBlobUnknown,
},
Body: BodyDescriptor{
ContentType: "application/json",
Format: `{
"errors:" [{
"code": "BLOB_UNKNOWN",
"message": "blob unknown to registry",
"detail": {
"digest": <tarsum>
}
},
...
]
}`,
},
},
{
StatusCode: http.StatusUnauthorized,
Headers: []ParameterDescriptor{
authChallengeHeader,
},
},
},
},
},
},
{
Method: "DELETE",
Description: "Delete the manifest identified by `name` and `tag`.",
Requests: []RequestDescriptor{
{
Headers: []ParameterDescriptor{
authHeader,
},
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
tagParameterDescriptor,
},
Successes: []ResponseDescriptor{
{
StatusCode: http.StatusAccepted,
},
},
Failures: []ResponseDescriptor{
{
StatusCode: http.StatusBadRequest,
ErrorCodes: []ErrorCode{
ErrorCodeNameInvalid,
ErrorCodeTagInvalid,
},
},
{
StatusCode: http.StatusUnauthorized,
Headers: []ParameterDescriptor{
authChallengeHeader,
},
},
{
StatusCode: http.StatusNotFound,
ErrorCodes: []ErrorCode{
ErrorCodeNameUnknown,
ErrorCodeManifestUnknown,
},
},
},
},
},
},
},
},
{
Name: RouteNameBlob,
Path: "/v2/{name:" + common.RepositoryNameRegexp.String() + "}/blobs/{digest:" + digest.DigestRegexp.String() + "}",
Entity: "Blob",
Description: "Fetch the blob identified by `name` and `digest`. Used to fetch layers by tarsum digest.",
Methods: []MethodDescriptor{
{
Method: "GET",
Description: "Retrieve the blob from the registry identified by `digest`.",
Requests: []RequestDescriptor{
{
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
digestPathParameter,
},
Successes: []ResponseDescriptor{
{
Description: "The blob identified by `digest` is available. The blob content will be present in the body of the request.",
StatusCode: http.StatusOK,
Body: BodyDescriptor{
ContentType: "application/octet-stream",
Format: "<blob binary data>",
},
},
{
Description: "The blob identified by `digest` is available at the provided location.",
StatusCode: http.StatusTemporaryRedirect,
Headers: []ParameterDescriptor{
{
Name: "Location",
Type: "url",
Description: "The location where the layer should be accessible.",
Format: "<blob location>",
},
},
},
},
Failures: []ResponseDescriptor{
{
StatusCode: http.StatusBadRequest,
ErrorCodes: []ErrorCode{
ErrorCodeNameInvalid,
ErrorCodeDigestInvalid,
},
},
{
StatusCode: http.StatusUnauthorized,
},
{
StatusCode: http.StatusNotFound,
ErrorCodes: []ErrorCode{
ErrorCodeNameUnknown,
ErrorCodeBlobUnknown,
},
},
},
},
},
},
{
Method: "HEAD",
Description: "Check if the blob is known to the registry.",
Requests: []RequestDescriptor{
{
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
digestPathParameter,
},
},
},
},
// TODO(stevvooe): We may want to add a PUT request here to
// kickoff an upload of a blob, integrated with the blob upload
// API.
},
},
{
Name: RouteNameBlobUpload,
Path: "/v2/{name:" + common.RepositoryNameRegexp.String() + "}/blobs/uploads/",
Entity: "Intiate Blob Upload",
Description: "Initiate a blob upload. This endpoint can be used to create resumable uploads or monolithic uploads.",
Methods: []MethodDescriptor{
{
Method: "POST",
Description: "Initiate a resumable blob upload. If successful, an upload location will be provided to complete the upload. Optionally, if the `digest` parameter is present, the request body will be used to complete the upload in a single request.",
Requests: []RequestDescriptor{
{
Name: "Initiate Monolithic Blob Upload",
Description: "Upload a blob identified by the `digest` parameter in single request. This upload will not be resumable unless a recoverable error is returned.",
Headers: []ParameterDescriptor{
authHeader,
{
Name: "Content-Length",
Type: "integer",
Format: "<length of blob>",
},
},
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
},
QueryParameters: []ParameterDescriptor{
{
Name: "digest",
Type: "query",
Format: "<tarsum>",
Regexp: digest.DigestRegexp,
Description: `Digest of uploaded blob. If present, the upload will be completed, in a single request, with contents of the request body as the resulting blob.`,
},
},
Body: BodyDescriptor{
ContentType: "application/octect-stream",
Format: "<binary data>",
},
Successes: []ResponseDescriptor{
{
StatusCode: http.StatusCreated,
Headers: []ParameterDescriptor{
{
Name: "Location",
Type: "url",
Format: "<blob location>",
},
contentLengthZeroHeader,
},
},
},
Failures: []ResponseDescriptor{
{
Name: "Invalid Name or Digest",
StatusCode: http.StatusBadRequest,
ErrorCodes: []ErrorCode{
ErrorCodeDigestInvalid,
ErrorCodeNameInvalid,
},
},
{
Name: "Unauthorized",
StatusCode: http.StatusUnauthorized,
Headers: []ParameterDescriptor{
authChallengeHeader,
},
ErrorCodes: []ErrorCode{
ErrorCodeDigestInvalid,
ErrorCodeNameInvalid,
},
},
},
},
{
Name: "Initiate Resumable Blob Upload",
Description: "Initiate a resumable blob upload with an empty request body.",
Headers: []ParameterDescriptor{
authHeader,
contentLengthZeroHeader,
},
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
},
Successes: []ResponseDescriptor{
{
Description: "The upload has been created. The `Location` header must be used to complete the upload. The response should identical to a `GET` request on the contents of the returned `Location` header.",
StatusCode: http.StatusAccepted,
Headers: []ParameterDescriptor{
contentLengthZeroHeader,
{
Name: "Location",
Type: "url",
Format: "/v2/<name>/blobs/uploads/<uuid>",
Description: "The location of the created upload. Clients should use the contents verbatim to complete the upload, adding parameters where required.",
},
{
Name: "Range",
Format: "0-0",
Description: "Range header indicating the progress of the upload. When starting an upload, it will return an empty range, since no content has been received.",
},
},
},
},
},
},
},
},
},
{
Name: RouteNameBlobUploadChunk,
Path: "/v2/{name:" + common.RepositoryNameRegexp.String() + "}/blobs/uploads/{uuid}",
Entity: "Blob Upload",
Description: "Interact with blob uploads. Clients should never assemble URLs for this endpoint and should only take it through the `Location` header on related API requests.",
Methods: []MethodDescriptor{
{
Method: "GET",
Description: "Retrieve status of upload identified by `uuid`. The primary purpose of this endpoint is to resolve the current status of a resumable upload.",
Requests: []RequestDescriptor{
{
Description: "Retrieve the progress of the current upload, as reported by the `Range` header.",
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
uuidParameterDescriptor,
},
Successes: []ResponseDescriptor{
{
StatusCode: http.StatusNoContent,
Headers: []ParameterDescriptor{
{
Name: "Range",
Type: "header",
Format: "0-<offset>",
Description: "Range indicating the current progress of the upload.",
},
},
},
},
},
},
},
{
Method: "HEAD",
Description: "Retrieve status of upload identified by `uuid`. This is identical to the GET request.",
Requests: []RequestDescriptor{
{
Description: "Retrieve the progress of the current upload, as reported by the `Range` header.",
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
uuidParameterDescriptor,
},
Successes: []ResponseDescriptor{
{
StatusCode: http.StatusNoContent,
Headers: []ParameterDescriptor{
{
Name: "Range",
Type: "header",
Format: "0-<offset>",
Description: "Range indicating the current progress of the upload.",
},
},
},
},
},
},
},
{
Method: "PATCH",
Description: "Upload a chunk of data for the specified upload.",
Requests: []RequestDescriptor{
{
Description: "Upload a chunk of data to specified upload without completing the upload.",
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
uuidParameterDescriptor,
},
Headers: []ParameterDescriptor{
{
Name: "Content-Range",
Type: "header",
Format: "<start of range>-<end of range, inclusive>",
Required: true,
Description: "Range of bytes identifying the desired block of content represented by the body. Start must the end offset retrieved via status check plus one. Note that this is a non-standard use of the `Content-Range` header.",
},
{
Name: "Content-Length",
Type: "integer",
Format: "<length of chunk>",
Description: "Length of the chunk being uploaded, corresponding the length of the request body.",
},
},
Body: BodyDescriptor{
ContentType: "application/octet-stream",
Format: "<binary chunk>",
},
Successes: []ResponseDescriptor{
{
StatusCode: http.StatusNoContent,
Headers: []ParameterDescriptor{
{
Name: "Range",
Type: "header",
Format: "0-<offset>",
Description: "Range indicating the current progress of the upload.",
},
contentLengthZeroHeader,
},
},
},
},
},
},
{
Method: "PUT",
Description: "Complete the upload specified by `uuid`, optionally appending the body as the final chunk.",
Requests: []RequestDescriptor{
{
// TODO(stevvooe): Break this down into three separate requests:
// 1. Complete an upload where all data has already been sent.
// 2. Complete an upload where the entire body is in the PUT.
// 3. Complete an upload where the final, partial chunk is the body.
Description: "Upload the _final_ chunk of data.",
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
uuidParameterDescriptor,
},
QueryParameters: []ParameterDescriptor{
{
Name: "digest",
Type: "string",
Format: "<tarsum>",
Regexp: digest.DigestRegexp,
Required: true,
Description: `Digest of uploaded blob.`,
},
},
Successes: []ResponseDescriptor{
{
StatusCode: http.StatusNoContent,
Headers: []ParameterDescriptor{
{
Name: "Content-Range",
Type: "header",
Format: "<start of range>-<end of range, inclusive>",
Description: "Range of bytes identifying the desired block of content represented by the body. Start must match the end of offset retrieved via status check. Note that this is a non-standard use of the `Content-Range` header.",
},
{
Name: "Content-Length",
Type: "integer",
Format: "<length of chunk>",
Description: "Length of the chunk being uploaded, corresponding the length of the request body.",
},
},
Body: BodyDescriptor{
ContentType: "application/octet-stream",
Format: "<binary chunk>",
},
},
},
},
},
},
{
Method: "DELETE",
Description: "Cancel outstanding upload processes, releasing associated resources. If this is not called, the unfinished uploads will eventually timeout.",
Requests: []RequestDescriptor{
{
Description: "Cancel the upload specified by `uuid`.",
PathParameters: []ParameterDescriptor{
nameParameterDescriptor,
uuidParameterDescriptor,
},
},
},
},
},
},
}
// ErrorDescriptors provides a list of HTTP API Error codes that may be
// encountered when interacting with the registry API.
var errorDescriptors = []ErrorDescriptor{
{
Code: ErrorCodeUnknown,
Value: "UNKNOWN",
Message: "unknown error",
Description: `Generic error returned when the error does not have an
API classification.`,
},
{
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.`,
HTTPStatusCodes: []int{http.StatusBadRequest, http.StatusNotFound},
},
{
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.`,
HTTPStatusCodes: []int{http.StatusBadRequest},
},
{
Code: ErrorCodeNameInvalid,
Value: "NAME_INVALID",
Message: "manifest name did not match URI",
Description: `During a manifest upload, if the name in the manifest
does not match the uri name, this error will be returned.`,
HTTPStatusCodes: []int{http.StatusBadRequest, http.StatusNotFound},
},
{
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.`,
HTTPStatusCodes: []int{http.StatusBadRequest, http.StatusNotFound},
},
{
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.`,
HTTPStatusCodes: []int{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.`,
HTTPStatusCodes: []int{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.`,
HTTPStatusCodes: []int{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.`,
HTTPStatusCodes: []int{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.`,
HTTPStatusCodes: []int{http.StatusBadRequest, 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.`,
HTTPStatusCodes: []int{http.StatusNotFound},
},
}
var errorCodeToDescriptors map[ErrorCode]ErrorDescriptor
var idToDescriptors map[string]ErrorDescriptor
func init() {
errorCodeToDescriptors = make(map[ErrorCode]ErrorDescriptor, len(errorDescriptors))
idToDescriptors = make(map[string]ErrorDescriptor, len(errorDescriptors))
for _, descriptor := range errorDescriptors {
errorCodeToDescriptors[descriptor.Code] = descriptor
idToDescriptors[descriptor.Value] = descriptor
}
}