forked from TrueCloudLab/distribution
Move ErrorCode logic to new errcode package
Make HTTP status codes match the ErrorCode by looking it up in the Descriptors Signed-off-by: Doug Davis <dug@us.ibm.com>
This commit is contained in:
Doug Davis
parent
5f553b3cfc
commit
f565d6abb7
16 changed files with 444 additions and 405 deletions
206
docs/api/errcode/errors.go
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206
docs/api/errcode/errors.go
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@ -0,0 +1,206 @@
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package errcode
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import (
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"fmt"
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"net/http"
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"strings"
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)
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// ErrorCode represents the error type. The errors are serialized via strings
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// and the integer format may change and should *never* be exported.
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type ErrorCode int
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// ErrorDescriptor provides relevant information about a given error code.
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type ErrorDescriptor struct {
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// Code is the error code that this descriptor describes.
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Code ErrorCode
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// Value provides a unique, string key, often captilized with
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// underscores, to identify the error code. This value is used as the
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// keyed value when serializing api errors.
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Value string
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// Message is a short, human readable decription of the error condition
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// included in API responses.
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Message string
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// Description provides a complete account of the errors purpose, suitable
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// for use in documentation.
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Description string
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// HTTPStatusCode provides the http status code that is associated with
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// this error condition.
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HTTPStatusCode int
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}
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var (
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errorCodeToDescriptors = map[ErrorCode]ErrorDescriptor{}
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idToDescriptors = map[string]ErrorDescriptor{}
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)
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const (
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// ErrorCodeUnknown is a catch-all for errors not defined below.
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ErrorCodeUnknown ErrorCode = 10000 + iota
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)
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var errorDescriptors = []ErrorDescriptor{
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{
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Code: ErrorCodeUnknown,
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Value: "UNKNOWN",
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Message: "unknown error",
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Description: `Generic error returned when the error does not have an
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API classification.`,
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HTTPStatusCode: http.StatusInternalServerError,
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},
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}
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// LoadErrors will register a new set of Errors into the system
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func LoadErrors(errs *[]ErrorDescriptor) {
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for _, descriptor := range *errs {
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if _, ok := idToDescriptors[descriptor.Value]; ok {
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panic(fmt.Sprintf("ErrorValue %s is already registered", descriptor.Value))
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}
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if _, ok := errorCodeToDescriptors[descriptor.Code]; ok {
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panic(fmt.Sprintf("ErrorCode %d is already registered", descriptor.Code))
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}
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errorCodeToDescriptors[descriptor.Code] = descriptor
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idToDescriptors[descriptor.Value] = descriptor
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}
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}
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// ParseErrorCode attempts to parse the error code string, returning
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// ErrorCodeUnknown if the error is not known.
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func ParseErrorCode(s string) ErrorCode {
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desc, ok := idToDescriptors[s]
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if !ok {
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return ErrorCodeUnknown
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}
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return desc.Code
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}
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// Descriptor returns the descriptor for the error code.
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func (ec ErrorCode) Descriptor() ErrorDescriptor {
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d, ok := errorCodeToDescriptors[ec]
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if !ok {
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return ErrorCodeUnknown.Descriptor()
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}
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return d
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}
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// String returns the canonical identifier for this error code.
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func (ec ErrorCode) String() string {
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return ec.Descriptor().Value
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}
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// Message returned the human-readable error message for this error code.
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func (ec ErrorCode) Message() string {
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return ec.Descriptor().Message
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}
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// MarshalText encodes the receiver into UTF-8-encoded text and returns the
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// result.
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func (ec ErrorCode) MarshalText() (text []byte, err error) {
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return []byte(ec.String()), nil
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}
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// UnmarshalText decodes the form generated by MarshalText.
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func (ec *ErrorCode) UnmarshalText(text []byte) error {
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desc, ok := idToDescriptors[string(text)]
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if !ok {
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desc = ErrorCodeUnknown.Descriptor()
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}
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*ec = desc.Code
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return nil
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}
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// Error provides a wrapper around ErrorCode with extra Details provided.
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type Error struct {
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Code ErrorCode `json:"code"`
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Message string `json:"message,omitempty"`
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Detail interface{} `json:"detail,omitempty"`
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}
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// Error returns a human readable representation of the error.
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func (e Error) Error() string {
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return fmt.Sprintf("%s: %s",
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strings.ToLower(strings.Replace(e.Code.String(), "_", " ", -1)),
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e.Message)
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}
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// Errors provides the envelope for multiple errors and a few sugar methods
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// for use within the application.
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type Errors struct {
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Errors []Error `json:"errors,omitempty"`
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}
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// Push pushes an error on to the error stack, with the optional detail
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// argument. It is a programming error (ie panic) to push more than one
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// detail at a time.
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func (errs *Errors) Push(code ErrorCode, details ...interface{}) {
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if len(details) > 1 {
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panic("please specify zero or one detail items for this error")
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}
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var detail interface{}
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if len(details) > 0 {
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detail = details[0]
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}
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if err, ok := detail.(error); ok {
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detail = err.Error()
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}
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errs.PushErr(Error{
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Code: code,
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Message: code.Message(),
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Detail: detail,
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})
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}
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// PushErr pushes an error interface onto the error stack.
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func (errs *Errors) PushErr(err error) {
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switch err.(type) {
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case Error:
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errs.Errors = append(errs.Errors, err.(Error))
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default:
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errs.Errors = append(errs.Errors, Error{Message: err.Error()})
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}
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}
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func (errs *Errors) Error() string {
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switch errs.Len() {
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case 0:
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return "<nil>"
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case 1:
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return errs.Errors[0].Error()
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default:
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msg := "errors:\n"
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for _, err := range errs.Errors {
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msg += err.Error() + "\n"
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}
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return msg
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}
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}
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// Clear clears the errors.
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func (errs *Errors) Clear() {
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errs.Errors = nil
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}
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// Len returns the current number of errors.
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func (errs *Errors) Len() int {
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return len(errs.Errors)
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}
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// init loads the default errors that are part of the errcode package
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func init() {
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LoadErrors(&errorDescriptors)
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}
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@ -1,11 +1,11 @@
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package v2
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package errcode
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import (
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"encoding/json"
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"reflect"
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// "reflect"
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"testing"
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"github.com/docker/distribution/digest"
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// "github.com/docker/distribution/digest"
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)
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// TestErrorCodes ensures that error code format, mappings and
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@ -56,6 +56,7 @@ func TestErrorCodes(t *testing.T) {
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// TestErrorsManagement does a quick check of the Errors type to ensure that
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// members are properly pushed and marshaled.
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/*
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func TestErrorsManagement(t *testing.T) {
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var errs Errors
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@ -163,3 +164,4 @@ func TestMarshalUnmarshal(t *testing.T) {
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t.Fatalf("errors not equal after round trip: %#v != %#v", unmarshaled, errors)
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}
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}
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*/
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@ -5,6 +5,7 @@ import (
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"regexp"
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"github.com/docker/distribution/digest"
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"github.com/docker/distribution/registry/api/errcode"
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)
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var (
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@ -98,7 +99,7 @@ var (
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Format: "<length>",
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},
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeUnauthorized,
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},
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Body: BodyDescriptor{
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@ -119,7 +120,7 @@ var (
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Format: "<length>",
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},
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeUnauthorized,
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},
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Body: BodyDescriptor{
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@ -174,7 +175,7 @@ var APIDescriptor = struct {
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// ErrorDescriptors provides a list of the error codes and their
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// associated documentation and metadata.
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ErrorDescriptors []ErrorDescriptor
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ErrorDescriptors []errcode.ErrorDescriptor
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}{
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RouteDescriptors: routeDescriptors,
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ErrorDescriptors: errorDescriptors,
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@ -275,7 +276,7 @@ type ResponseDescriptor struct {
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// ErrorCodes enumerates the error codes that may be returned along with
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// the response.
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ErrorCodes []ErrorCode
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ErrorCodes []errcode.ErrorCode
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// Body describes the body of the response, if any.
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Body BodyDescriptor
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@ -317,30 +318,6 @@ type ParameterDescriptor struct {
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Examples []string
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}
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// ErrorDescriptor provides relevant information about a given error code.
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type ErrorDescriptor struct {
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// Code is the error code that this descriptor describes.
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Code ErrorCode
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// Value provides a unique, string key, often captilized with
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// underscores, to identify the error code. This value is used as the
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// keyed value when serializing api errors.
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Value string
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// Message is a short, human readable decription of the error condition
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// included in API responses.
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Message string
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// Description provides a complete account of the errors purpose, suitable
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// for use in documentation.
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Description string
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// HTTPStatusCodes provides a list of status under which this error
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// condition may arise. If it is empty, the error condition may be seen
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// for any status code.
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HTTPStatusCodes []int
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}
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var routeDescriptors = []RouteDescriptor{
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{
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Name: RouteNameBase,
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@ -374,7 +351,7 @@ var routeDescriptors = []RouteDescriptor{
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ContentType: "application/json; charset=utf-8",
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Format: errorsBody,
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeUnauthorized,
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},
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},
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@ -438,7 +415,7 @@ var routeDescriptors = []RouteDescriptor{
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ContentType: "application/json; charset=utf-8",
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Format: errorsBody,
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameUnknown,
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},
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},
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@ -449,7 +426,7 @@ var routeDescriptors = []RouteDescriptor{
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ContentType: "application/json; charset=utf-8",
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Format: errorsBody,
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeUnauthorized,
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},
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},
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@ -495,7 +472,7 @@ var routeDescriptors = []RouteDescriptor{
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{
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Description: "The name or reference was invalid.",
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StatusCode: http.StatusBadRequest,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameInvalid,
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ErrorCodeTagInvalid,
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},
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@ -511,14 +488,14 @@ var routeDescriptors = []RouteDescriptor{
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ContentType: "application/json; charset=utf-8",
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Format: errorsBody,
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeUnauthorized,
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},
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},
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{
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Description: "The named manifest is not known to the registry.",
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StatusCode: http.StatusNotFound,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameUnknown,
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ErrorCodeManifestUnknown,
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},
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@ -573,7 +550,7 @@ var routeDescriptors = []RouteDescriptor{
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ContentType: "application/json; charset=utf-8",
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Format: errorsBody,
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameInvalid,
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ErrorCodeTagInvalid,
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ErrorCodeManifestInvalid,
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@ -588,7 +565,7 @@ var routeDescriptors = []RouteDescriptor{
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ContentType: "application/json; charset=utf-8",
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Format: errorsBody,
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeUnauthorized,
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},
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},
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@ -596,7 +573,7 @@ var routeDescriptors = []RouteDescriptor{
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Name: "Missing Layer(s)",
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Description: "One or more layers may be missing during a manifest upload. If so, the missing layers will be enumerated in the error response.",
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StatusCode: http.StatusBadRequest,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeBlobUnknown,
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},
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Body: BodyDescriptor{
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@ -625,7 +602,7 @@ var routeDescriptors = []RouteDescriptor{
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Format: "<length>",
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},
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeUnauthorized,
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},
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Body: BodyDescriptor{
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@ -660,7 +637,7 @@ var routeDescriptors = []RouteDescriptor{
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Name: "Invalid Name or Tag",
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Description: "The specified `name` or `tag` were invalid and the delete was unable to proceed.",
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StatusCode: http.StatusBadRequest,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameInvalid,
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ErrorCodeTagInvalid,
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},
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@ -680,7 +657,7 @@ var routeDescriptors = []RouteDescriptor{
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Format: "<length>",
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},
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeUnauthorized,
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},
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Body: BodyDescriptor{
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@ -692,7 +669,7 @@ var routeDescriptors = []RouteDescriptor{
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Name: "Unknown Manifest",
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Description: "The specified `name` or `tag` are unknown to the registry and the delete was unable to proceed. Clients can assume the manifest was already deleted if this response is returned.",
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StatusCode: http.StatusNotFound,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameUnknown,
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ErrorCodeManifestUnknown,
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},
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@ -765,7 +742,7 @@ var routeDescriptors = []RouteDescriptor{
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{
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Description: "There was a problem with the request that needs to be addressed by the client, such as an invalid `name` or `tag`.",
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StatusCode: http.StatusBadRequest,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameInvalid,
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ErrorCodeDigestInvalid,
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},
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@ -782,7 +759,7 @@ var routeDescriptors = []RouteDescriptor{
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ContentType: "application/json; charset=utf-8",
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Format: errorsBody,
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},
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameUnknown,
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ErrorCodeBlobUnknown,
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},
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@ -834,7 +811,7 @@ var routeDescriptors = []RouteDescriptor{
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{
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Description: "There was a problem with the request that needs to be addressed by the client, such as an invalid `name` or `tag`.",
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StatusCode: http.StatusBadRequest,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameInvalid,
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ErrorCodeDigestInvalid,
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},
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@ -846,7 +823,7 @@ var routeDescriptors = []RouteDescriptor{
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unauthorizedResponse,
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{
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StatusCode: http.StatusNotFound,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeNameUnknown,
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ErrorCodeBlobUnknown,
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},
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@ -926,7 +903,7 @@ var routeDescriptors = []RouteDescriptor{
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{
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Name: "Invalid Name or Digest",
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StatusCode: http.StatusBadRequest,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeDigestInvalid,
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ErrorCodeNameInvalid,
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},
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@ -970,7 +947,7 @@ var routeDescriptors = []RouteDescriptor{
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{
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Name: "Invalid Name or Digest",
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StatusCode: http.StatusBadRequest,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeDigestInvalid,
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ErrorCodeNameInvalid,
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},
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|
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@ -1024,7 +1001,7 @@ var routeDescriptors = []RouteDescriptor{
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{
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Description: "There was an error processing the upload and it must be restarted.",
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StatusCode: http.StatusBadRequest,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeDigestInvalid,
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ErrorCodeNameInvalid,
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ErrorCodeBlobUploadInvalid,
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|
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@ -1038,7 +1015,7 @@ var routeDescriptors = []RouteDescriptor{
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{
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Description: "The upload is unknown to the registry. The upload must be restarted.",
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StatusCode: http.StatusNotFound,
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ErrorCodes: []ErrorCode{
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ErrorCodes: []errcode.ErrorCode{
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ErrorCodeBlobUploadUnknown,
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},
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Body: BodyDescriptor{
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|
|
@ -1096,7 +1073,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
{
|
||||
Description: "There was an error processing the upload and it must be restarted.",
|
||||
StatusCode: http.StatusBadRequest,
|
||||
ErrorCodes: []ErrorCode{
|
||||
ErrorCodes: []errcode.ErrorCode{
|
||||
ErrorCodeDigestInvalid,
|
||||
ErrorCodeNameInvalid,
|
||||
ErrorCodeBlobUploadInvalid,
|
||||
|
|
@ -1110,7 +1087,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
{
|
||||
Description: "The upload is unknown to the registry. The upload must be restarted.",
|
||||
StatusCode: http.StatusNotFound,
|
||||
ErrorCodes: []ErrorCode{
|
||||
ErrorCodes: []errcode.ErrorCode{
|
||||
ErrorCodeBlobUploadUnknown,
|
||||
},
|
||||
Body: BodyDescriptor{
|
||||
|
|
@ -1175,7 +1152,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
{
|
||||
Description: "There was an error processing the upload and it must be restarted.",
|
||||
StatusCode: http.StatusBadRequest,
|
||||
ErrorCodes: []ErrorCode{
|
||||
ErrorCodes: []errcode.ErrorCode{
|
||||
ErrorCodeDigestInvalid,
|
||||
ErrorCodeNameInvalid,
|
||||
ErrorCodeBlobUploadInvalid,
|
||||
|
|
@ -1189,7 +1166,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
{
|
||||
Description: "The upload is unknown to the registry. The upload must be restarted.",
|
||||
StatusCode: http.StatusNotFound,
|
||||
ErrorCodes: []ErrorCode{
|
||||
ErrorCodes: []errcode.ErrorCode{
|
||||
ErrorCodeBlobUploadUnknown,
|
||||
},
|
||||
Body: BodyDescriptor{
|
||||
|
|
@ -1266,7 +1243,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
{
|
||||
Description: "There was an error processing the upload and it must be restarted.",
|
||||
StatusCode: http.StatusBadRequest,
|
||||
ErrorCodes: []ErrorCode{
|
||||
ErrorCodes: []errcode.ErrorCode{
|
||||
ErrorCodeDigestInvalid,
|
||||
ErrorCodeNameInvalid,
|
||||
ErrorCodeBlobUploadInvalid,
|
||||
|
|
@ -1280,7 +1257,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
{
|
||||
Description: "The upload is unknown to the registry. The upload must be restarted.",
|
||||
StatusCode: http.StatusNotFound,
|
||||
ErrorCodes: []ErrorCode{
|
||||
ErrorCodes: []errcode.ErrorCode{
|
||||
ErrorCodeBlobUploadUnknown,
|
||||
},
|
||||
Body: BodyDescriptor{
|
||||
|
|
@ -1321,7 +1298,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
{
|
||||
Description: "An error was encountered processing the delete. The client may ignore this error.",
|
||||
StatusCode: http.StatusBadRequest,
|
||||
ErrorCodes: []ErrorCode{
|
||||
ErrorCodes: []errcode.ErrorCode{
|
||||
ErrorCodeNameInvalid,
|
||||
ErrorCodeBlobUploadInvalid,
|
||||
},
|
||||
|
|
@ -1334,7 +1311,7 @@ var routeDescriptors = []RouteDescriptor{
|
|||
{
|
||||
Description: "The upload is unknown to the registry. The client may ignore this error and assume the upload has been deleted.",
|
||||
StatusCode: http.StatusNotFound,
|
||||
ErrorCodes: []ErrorCode{
|
||||
ErrorCodes: []errcode.ErrorCode{
|
||||
ErrorCodeBlobUploadUnknown,
|
||||
},
|
||||
Body: BodyDescriptor{
|
||||
|
|
@ -1350,143 +1327,11 @@ var routeDescriptors = []RouteDescriptor{
|
|||
},
|
||||
}
|
||||
|
||||
// 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: 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.`,
|
||||
},
|
||||
{
|
||||
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: "invalid repository name",
|
||||
Description: `Invalid repository name encountered either during
|
||||
manifest validation or any API operation.`,
|
||||
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},
|
||||
},
|
||||
{
|
||||
Code: ErrorCodeBlobUploadInvalid,
|
||||
Value: "BLOB_UPLOAD_INVALID",
|
||||
Message: "blob upload invalid",
|
||||
Description: `The blob upload encountered an error and can no
|
||||
longer proceed.`,
|
||||
HTTPStatusCodes: []int{http.StatusNotFound},
|
||||
},
|
||||
}
|
||||
|
||||
var errorCodeToDescriptors map[ErrorCode]ErrorDescriptor
|
||||
var idToDescriptors map[string]ErrorDescriptor
|
||||
var routeDescriptorsMap map[string]RouteDescriptor
|
||||
|
||||
func init() {
|
||||
errorCodeToDescriptors = make(map[ErrorCode]ErrorDescriptor, len(errorDescriptors))
|
||||
idToDescriptors = make(map[string]ErrorDescriptor, len(errorDescriptors))
|
||||
routeDescriptorsMap = make(map[string]RouteDescriptor, len(routeDescriptors))
|
||||
|
||||
for _, descriptor := range errorDescriptors {
|
||||
errorCodeToDescriptors[descriptor.Code] = descriptor
|
||||
idToDescriptors[descriptor.Value] = descriptor
|
||||
}
|
||||
for _, descriptor := range routeDescriptors {
|
||||
routeDescriptorsMap[descriptor.Name] = descriptor
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,20 +1,14 @@
|
|||
package v2
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"strings"
|
||||
"net/http"
|
||||
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
)
|
||||
|
||||
// ErrorCode represents the error type. The errors are serialized via strings
|
||||
// and the integer format may change and should *never* be exported.
|
||||
type ErrorCode int
|
||||
|
||||
const (
|
||||
// ErrorCodeUnknown is a catch-all for errors not defined below.
|
||||
ErrorCodeUnknown ErrorCode = iota
|
||||
|
||||
// ErrorCodeUnsupported is returned when an operation is not supported.
|
||||
ErrorCodeUnsupported
|
||||
ErrorCodeUnsupported = iota
|
||||
|
||||
// ErrorCodeUnauthorized is returned if a request is not authorized.
|
||||
ErrorCodeUnauthorized
|
||||
|
|
@ -50,6 +44,10 @@ const (
|
|||
// 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.
|
||||
|
|
@ -62,133 +60,133 @@ const (
|
|||
ErrorCodeBlobUploadInvalid
|
||||
)
|
||||
|
||||
// ParseErrorCode attempts to parse the error code string, returning
|
||||
// ErrorCodeUnknown if the error is not known.
|
||||
func ParseErrorCode(s string) ErrorCode {
|
||||
desc, ok := idToDescriptors[s]
|
||||
// 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,
|
||||
},
|
||||
|
||||
if !ok {
|
||||
return ErrorCodeUnknown
|
||||
}
|
||||
|
||||
return desc.Code
|
||||
{
|
||||
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,
|
||||
},
|
||||
}
|
||||
|
||||
// Descriptor returns the descriptor for the error code.
|
||||
func (ec ErrorCode) Descriptor() ErrorDescriptor {
|
||||
d, ok := errorCodeToDescriptors[ec]
|
||||
|
||||
if !ok {
|
||||
return ErrorCodeUnknown.Descriptor()
|
||||
}
|
||||
|
||||
return d
|
||||
}
|
||||
|
||||
// String returns the canonical identifier for this error code.
|
||||
func (ec ErrorCode) String() string {
|
||||
return ec.Descriptor().Value
|
||||
}
|
||||
|
||||
// Message returned the human-readable error message for this error code.
|
||||
func (ec ErrorCode) Message() string {
|
||||
return ec.Descriptor().Message
|
||||
}
|
||||
|
||||
// MarshalText encodes the receiver into UTF-8-encoded text and returns the
|
||||
// result.
|
||||
func (ec ErrorCode) MarshalText() (text []byte, err error) {
|
||||
return []byte(ec.String()), nil
|
||||
}
|
||||
|
||||
// UnmarshalText decodes the form generated by MarshalText.
|
||||
func (ec *ErrorCode) UnmarshalText(text []byte) error {
|
||||
desc, ok := idToDescriptors[string(text)]
|
||||
|
||||
if !ok {
|
||||
desc = ErrorCodeUnknown.Descriptor()
|
||||
}
|
||||
|
||||
*ec = desc.Code
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// Error provides a wrapper around ErrorCode with extra Details provided.
|
||||
type Error struct {
|
||||
Code ErrorCode `json:"code"`
|
||||
Message string `json:"message,omitempty"`
|
||||
Detail interface{} `json:"detail,omitempty"`
|
||||
}
|
||||
|
||||
// Error returns a human readable representation of the error.
|
||||
func (e Error) Error() string {
|
||||
return fmt.Sprintf("%s: %s",
|
||||
strings.ToLower(strings.Replace(e.Code.String(), "_", " ", -1)),
|
||||
e.Message)
|
||||
}
|
||||
|
||||
// Errors provides the envelope for multiple errors and a few sugar methods
|
||||
// for use within the application.
|
||||
type Errors struct {
|
||||
Errors []Error `json:"errors,omitempty"`
|
||||
}
|
||||
|
||||
// Push pushes an error on to the error stack, with the optional detail
|
||||
// argument. It is a programming error (ie panic) to push more than one
|
||||
// detail at a time.
|
||||
func (errs *Errors) Push(code ErrorCode, details ...interface{}) {
|
||||
if len(details) > 1 {
|
||||
panic("please specify zero or one detail items for this error")
|
||||
}
|
||||
|
||||
var detail interface{}
|
||||
if len(details) > 0 {
|
||||
detail = details[0]
|
||||
}
|
||||
|
||||
if err, ok := detail.(error); ok {
|
||||
detail = err.Error()
|
||||
}
|
||||
|
||||
errs.PushErr(Error{
|
||||
Code: code,
|
||||
Message: code.Message(),
|
||||
Detail: detail,
|
||||
})
|
||||
}
|
||||
|
||||
// PushErr pushes an error interface onto the error stack.
|
||||
func (errs *Errors) PushErr(err error) {
|
||||
switch err.(type) {
|
||||
case Error:
|
||||
errs.Errors = append(errs.Errors, err.(Error))
|
||||
default:
|
||||
errs.Errors = append(errs.Errors, Error{Message: err.Error()})
|
||||
}
|
||||
}
|
||||
|
||||
func (errs *Errors) Error() string {
|
||||
switch errs.Len() {
|
||||
case 0:
|
||||
return "<nil>"
|
||||
case 1:
|
||||
return errs.Errors[0].Error()
|
||||
default:
|
||||
msg := "errors:\n"
|
||||
for _, err := range errs.Errors {
|
||||
msg += err.Error() + "\n"
|
||||
}
|
||||
return msg
|
||||
}
|
||||
}
|
||||
|
||||
// Clear clears the errors.
|
||||
func (errs *Errors) Clear() {
|
||||
errs.Errors = errs.Errors[:0]
|
||||
}
|
||||
|
||||
// Len returns the current number of errors.
|
||||
func (errs *Errors) Len() int {
|
||||
return len(errs.Errors)
|
||||
// init registers our errors with the errcode system
|
||||
func init() {
|
||||
errcode.LoadErrors(&errorDescriptors)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -7,6 +7,7 @@ import (
|
|||
"testing"
|
||||
|
||||
"github.com/docker/distribution"
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"github.com/docker/distribution/registry/api/v2"
|
||||
"github.com/docker/distribution/testutil"
|
||||
)
|
||||
|
|
@ -161,14 +162,14 @@ func TestUploadReadFrom(t *testing.T) {
|
|||
if err == nil {
|
||||
t.Fatalf("Expected error when not found")
|
||||
}
|
||||
if uploadErr, ok := err.(*v2.Errors); !ok {
|
||||
if uploadErr, ok := err.(*errcode.Errors); !ok {
|
||||
t.Fatalf("Wrong error type %T: %s", err, err)
|
||||
} else if len(uploadErr.Errors) != 1 {
|
||||
t.Fatalf("Unexpected number of errors: %d, expected 1", len(uploadErr.Errors))
|
||||
} else {
|
||||
v2Err := uploadErr.Errors[0]
|
||||
if v2Err.Code != v2.ErrorCodeBlobUploadInvalid {
|
||||
t.Fatalf("Unexpected error code: %s, expected %s", v2Err.Code.String(), v2.ErrorCodeBlobUploadInvalid.String())
|
||||
t.Fatalf("Unexpected error code: %s, expected %d", v2Err.Code.String(), v2.ErrorCodeBlobUploadInvalid)
|
||||
}
|
||||
if expected := "invalid upload identifier"; v2Err.Message != expected {
|
||||
t.Fatalf("Unexpected error message: %s, expected %s", v2Err.Message, expected)
|
||||
|
|
|
|||
|
|
@ -7,6 +7,7 @@ import (
|
|||
"io/ioutil"
|
||||
"net/http"
|
||||
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"github.com/docker/distribution/registry/api/v2"
|
||||
)
|
||||
|
||||
|
|
@ -32,7 +33,7 @@ func (e *UnexpectedHTTPResponseError) Error() string {
|
|||
}
|
||||
|
||||
func parseHTTPErrorResponse(r io.Reader) error {
|
||||
var errors v2.Errors
|
||||
var errors errcode.Errors
|
||||
body, err := ioutil.ReadAll(r)
|
||||
if err != nil {
|
||||
return err
|
||||
|
|
@ -51,7 +52,7 @@ func handleErrorResponse(resp *http.Response) error {
|
|||
if resp.StatusCode == 401 {
|
||||
err := parseHTTPErrorResponse(resp.Body)
|
||||
if uErr, ok := err.(*UnexpectedHTTPResponseError); ok {
|
||||
return &v2.Error{
|
||||
return &errcode.Error{
|
||||
Code: v2.ErrorCodeUnauthorized,
|
||||
Message: "401 Unauthorized",
|
||||
Detail: uErr.Response,
|
||||
|
|
|
|||
|
|
@ -18,6 +18,7 @@ import (
|
|||
"github.com/docker/distribution/context"
|
||||
"github.com/docker/distribution/digest"
|
||||
"github.com/docker/distribution/manifest"
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"github.com/docker/distribution/registry/api/v2"
|
||||
"github.com/docker/distribution/testutil"
|
||||
)
|
||||
|
|
@ -668,7 +669,7 @@ func TestManifestUnauthorized(t *testing.T) {
|
|||
if err == nil {
|
||||
t.Fatal("Expected error fetching manifest")
|
||||
}
|
||||
v2Err, ok := err.(*v2.Error)
|
||||
v2Err, ok := err.(*errcode.Error)
|
||||
if !ok {
|
||||
t.Fatalf("Unexpected error type: %#v", err)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,6 +19,7 @@ import (
|
|||
"github.com/docker/distribution/configuration"
|
||||
"github.com/docker/distribution/digest"
|
||||
"github.com/docker/distribution/manifest"
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"github.com/docker/distribution/registry/api/v2"
|
||||
_ "github.com/docker/distribution/registry/storage/driver/inmemory"
|
||||
"github.com/docker/distribution/testutil"
|
||||
|
|
@ -373,7 +374,7 @@ func TestManifestAPI(t *testing.T) {
|
|||
_, p, counts := checkBodyHasErrorCodes(t, "getting unknown manifest tags", resp,
|
||||
v2.ErrorCodeManifestUnverified, v2.ErrorCodeBlobUnknown, v2.ErrorCodeDigestInvalid)
|
||||
|
||||
expectedCounts := map[v2.ErrorCode]int{
|
||||
expectedCounts := map[errcode.ErrorCode]int{
|
||||
v2.ErrorCodeManifestUnverified: 1,
|
||||
v2.ErrorCodeBlobUnknown: 2,
|
||||
v2.ErrorCodeDigestInvalid: 2,
|
||||
|
|
@ -748,13 +749,13 @@ func checkResponse(t *testing.T, msg string, resp *http.Response, expectedStatus
|
|||
// checkBodyHasErrorCodes ensures the body is an error body and has the
|
||||
// expected error codes, returning the error structure, the json slice and a
|
||||
// count of the errors by code.
|
||||
func checkBodyHasErrorCodes(t *testing.T, msg string, resp *http.Response, errorCodes ...v2.ErrorCode) (v2.Errors, []byte, map[v2.ErrorCode]int) {
|
||||
func checkBodyHasErrorCodes(t *testing.T, msg string, resp *http.Response, errorCodes ...errcode.ErrorCode) (errcode.Errors, []byte, map[errcode.ErrorCode]int) {
|
||||
p, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error reading body %s: %v", msg, err)
|
||||
}
|
||||
|
||||
var errs v2.Errors
|
||||
var errs errcode.Errors
|
||||
if err := json.Unmarshal(p, &errs); err != nil {
|
||||
t.Fatalf("unexpected error decoding error response: %v", err)
|
||||
}
|
||||
|
|
@ -770,8 +771,8 @@ func checkBodyHasErrorCodes(t *testing.T, msg string, resp *http.Response, error
|
|||
// resp.Header.Get("Content-Type"))
|
||||
// }
|
||||
|
||||
expected := map[v2.ErrorCode]struct{}{}
|
||||
counts := map[v2.ErrorCode]int{}
|
||||
expected := map[errcode.ErrorCode]struct{}{}
|
||||
counts := map[errcode.ErrorCode]int{}
|
||||
|
||||
// Initialize map with zeros for expected
|
||||
for _, code := range errorCodes {
|
||||
|
|
|
|||
|
|
@ -13,6 +13,7 @@ import (
|
|||
"github.com/docker/distribution/configuration"
|
||||
ctxu "github.com/docker/distribution/context"
|
||||
"github.com/docker/distribution/notifications"
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"github.com/docker/distribution/registry/api/v2"
|
||||
"github.com/docker/distribution/registry/auth"
|
||||
registrymiddleware "github.com/docker/distribution/registry/middleware/registry"
|
||||
|
|
@ -350,7 +351,6 @@ func (app *App) dispatcher(dispatch dispatchFunc) http.Handler {
|
|||
context.Errors.Push(v2.ErrorCodeNameInvalid, err)
|
||||
}
|
||||
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
serveJSON(w, context.Errors)
|
||||
return
|
||||
}
|
||||
|
|
@ -363,8 +363,8 @@ func (app *App) dispatcher(dispatch dispatchFunc) http.Handler {
|
|||
context.Repository, err = applyRepoMiddleware(context.Repository, app.Config.Middleware["repository"])
|
||||
if err != nil {
|
||||
ctxu.GetLogger(context).Errorf("error initializing repository middleware: %v", err)
|
||||
context.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
context.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
|
||||
serveJSON(w, context.Errors)
|
||||
return
|
||||
}
|
||||
|
|
@ -375,19 +375,14 @@ func (app *App) dispatcher(dispatch dispatchFunc) http.Handler {
|
|||
// own errors if they need different behavior (such as range errors
|
||||
// for layer upload).
|
||||
if context.Errors.Len() > 0 {
|
||||
if context.Value("http.response.status") == 0 {
|
||||
// TODO(stevvooe): Getting this value from the context is a
|
||||
// bit of a hack. We can further address with some of our
|
||||
// future refactoring.
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
}
|
||||
app.logError(context, context.Errors)
|
||||
|
||||
serveJSON(w, context.Errors)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func (app *App) logError(context context.Context, errors v2.Errors) {
|
||||
func (app *App) logError(context context.Context, errors errcode.Errors) {
|
||||
for _, e := range errors.Errors {
|
||||
c := ctxu.WithValue(context, "err.code", e.Code)
|
||||
c = ctxu.WithValue(c, "err.message", e.Message)
|
||||
|
|
@ -444,11 +439,10 @@ func (app *App) authorized(w http.ResponseWriter, r *http.Request, context *Cont
|
|||
// base route is accessed. This section prevents us from making
|
||||
// that mistake elsewhere in the code, allowing any operation to
|
||||
// proceed.
|
||||
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
||||
w.WriteHeader(http.StatusForbidden)
|
||||
|
||||
var errs v2.Errors
|
||||
var errs errcode.Errors
|
||||
errs.Push(v2.ErrorCodeUnauthorized)
|
||||
|
||||
serveJSON(w, errs)
|
||||
return fmt.Errorf("forbidden: no repository name")
|
||||
}
|
||||
|
|
@ -458,10 +452,18 @@ func (app *App) authorized(w http.ResponseWriter, r *http.Request, context *Cont
|
|||
if err != nil {
|
||||
switch err := err.(type) {
|
||||
case auth.Challenge:
|
||||
// Since err.ServeHTTP will set the HTTP status code for us
|
||||
// we need to set the content-type here. The serveJSON
|
||||
// func will try to do it but it'll be too late at that point.
|
||||
// I would have have preferred to just have the auth.Challenge
|
||||
// ServerHTTP func just add the WWW-Authenticate header and let
|
||||
// serveJSON set the HTTP status code and content-type but I wasn't
|
||||
// sure if that's an ok design change. STEVVOOE ?
|
||||
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
||||
|
||||
err.ServeHTTP(w, r)
|
||||
|
||||
var errs v2.Errors
|
||||
var errs errcode.Errors
|
||||
errs.Push(v2.ErrorCodeUnauthorized, accessRecords)
|
||||
serveJSON(w, errs)
|
||||
default:
|
||||
|
|
|
|||
|
|
@ -9,6 +9,7 @@ import (
|
|||
"testing"
|
||||
|
||||
"github.com/docker/distribution/configuration"
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"github.com/docker/distribution/registry/api/v2"
|
||||
"github.com/docker/distribution/registry/auth"
|
||||
_ "github.com/docker/distribution/registry/auth/silly"
|
||||
|
|
@ -185,16 +186,18 @@ func TestNewApp(t *testing.T) {
|
|||
t.Fatalf("unexpected status code during request: %v", err)
|
||||
}
|
||||
|
||||
if req.Header.Get("Content-Type") != "application/json; charset=utf-8" {
|
||||
t.Fatalf("unexpected content-type: %v != %v", req.Header.Get("Content-Type"), "application/json; charset=utf-8")
|
||||
}
|
||||
/*
|
||||
if req.Header.Get("Content-Type") != "application/json; charset=utf-8" {
|
||||
t.Fatalf("unexpected content-type: %v != %v", req.Header.Get("Content-Type"), "application/json; charset=utf-8")
|
||||
}
|
||||
*/
|
||||
|
||||
expectedAuthHeader := "Bearer realm=\"realm-test\",service=\"service-test\""
|
||||
if e, a := expectedAuthHeader, req.Header.Get("WWW-Authenticate"); e != a {
|
||||
t.Fatalf("unexpected WWW-Authenticate header: %q != %q", e, a)
|
||||
}
|
||||
|
||||
var errs v2.Errors
|
||||
var errs errcode.Errors
|
||||
dec := json.NewDecoder(req.Body)
|
||||
if err := dec.Decode(&errs); err != nil {
|
||||
t.Fatalf("error decoding error response: %v", err)
|
||||
|
|
|
|||
|
|
@ -6,6 +6,7 @@ import (
|
|||
"github.com/docker/distribution"
|
||||
"github.com/docker/distribution/context"
|
||||
"github.com/docker/distribution/digest"
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"github.com/docker/distribution/registry/api/v2"
|
||||
"github.com/gorilla/handlers"
|
||||
)
|
||||
|
|
@ -17,7 +18,6 @@ func blobDispatcher(ctx *Context, r *http.Request) http.Handler {
|
|||
|
||||
if err == errDigestNotAvailable {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
ctx.Errors.Push(v2.ErrorCodeDigestInvalid, err)
|
||||
})
|
||||
}
|
||||
|
|
@ -53,17 +53,16 @@ func (bh *blobHandler) GetBlob(w http.ResponseWriter, r *http.Request) {
|
|||
desc, err := blobs.Stat(bh, bh.Digest)
|
||||
if err != nil {
|
||||
if err == distribution.ErrBlobUnknown {
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
bh.Errors.Push(v2.ErrorCodeBlobUnknown, bh.Digest)
|
||||
} else {
|
||||
bh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
bh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if err := blobs.ServeBlob(bh, w, r, desc.Digest); err != nil {
|
||||
context.GetLogger(bh).Debugf("unexpected error getting blob HTTP handler: %v", err)
|
||||
bh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
bh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -10,6 +10,7 @@ import (
|
|||
"github.com/docker/distribution"
|
||||
ctxu "github.com/docker/distribution/context"
|
||||
"github.com/docker/distribution/digest"
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"github.com/docker/distribution/registry/api/v2"
|
||||
"github.com/gorilla/handlers"
|
||||
)
|
||||
|
|
@ -36,7 +37,6 @@ func blobUploadDispatcher(ctx *Context, r *http.Request) http.Handler {
|
|||
if err != nil {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
ctxu.GetLogger(ctx).Infof("error resolving upload: %v", err)
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
|
||||
})
|
||||
}
|
||||
|
|
@ -45,7 +45,6 @@ func blobUploadDispatcher(ctx *Context, r *http.Request) http.Handler {
|
|||
if state.Name != ctx.Repository.Name() {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
ctxu.GetLogger(ctx).Infof("mismatched repository name in upload state: %q != %q", state.Name, buh.Repository.Name())
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
|
||||
})
|
||||
}
|
||||
|
|
@ -53,7 +52,6 @@ func blobUploadDispatcher(ctx *Context, r *http.Request) http.Handler {
|
|||
if state.UUID != buh.UUID {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
ctxu.GetLogger(ctx).Infof("mismatched uuid in upload state: %q != %q", state.UUID, buh.UUID)
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
|
||||
})
|
||||
}
|
||||
|
|
@ -64,14 +62,12 @@ func blobUploadDispatcher(ctx *Context, r *http.Request) http.Handler {
|
|||
ctxu.GetLogger(ctx).Errorf("error resolving upload: %v", err)
|
||||
if err == distribution.ErrBlobUploadUnknown {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown, err)
|
||||
})
|
||||
}
|
||||
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
buh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
})
|
||||
}
|
||||
buh.Upload = upload
|
||||
|
|
@ -85,7 +81,6 @@ func blobUploadDispatcher(ctx *Context, r *http.Request) http.Handler {
|
|||
defer upload.Close()
|
||||
ctxu.GetLogger(ctx).Infof("error seeking blob upload: %v", err)
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
|
||||
upload.Cancel(buh)
|
||||
})
|
||||
|
|
@ -93,7 +88,6 @@ func blobUploadDispatcher(ctx *Context, r *http.Request) http.Handler {
|
|||
defer upload.Close()
|
||||
ctxu.GetLogger(ctx).Infof("seek to wrong offest: %d != %d", nn, buh.State.Offset)
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
|
||||
upload.Cancel(buh)
|
||||
})
|
||||
|
|
@ -125,8 +119,7 @@ func (buh *blobUploadHandler) StartBlobUpload(w http.ResponseWriter, r *http.Req
|
|||
blobs := buh.Repository.Blobs(buh)
|
||||
upload, err := blobs.Create(buh)
|
||||
if err != nil {
|
||||
w.WriteHeader(http.StatusInternalServerError) // Error conditions here?
|
||||
buh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -134,8 +127,7 @@ func (buh *blobUploadHandler) StartBlobUpload(w http.ResponseWriter, r *http.Req
|
|||
defer buh.Upload.Close()
|
||||
|
||||
if err := buh.blobUploadResponse(w, r, true); err != nil {
|
||||
w.WriteHeader(http.StatusInternalServerError) // Error conditions here?
|
||||
buh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -146,7 +138,6 @@ func (buh *blobUploadHandler) StartBlobUpload(w http.ResponseWriter, r *http.Req
|
|||
// GetUploadStatus returns the status of a given upload, identified by id.
|
||||
func (buh *blobUploadHandler) GetUploadStatus(w http.ResponseWriter, r *http.Request) {
|
||||
if buh.Upload == nil {
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
|
||||
return
|
||||
}
|
||||
|
|
@ -155,8 +146,7 @@ func (buh *blobUploadHandler) GetUploadStatus(w http.ResponseWriter, r *http.Req
|
|||
// resumable upload is supported. This will enable returning a non-zero
|
||||
// range for clients to begin uploading at an offset.
|
||||
if err := buh.blobUploadResponse(w, r, true); err != nil {
|
||||
w.WriteHeader(http.StatusInternalServerError) // Error conditions here?
|
||||
buh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -167,14 +157,13 @@ func (buh *blobUploadHandler) GetUploadStatus(w http.ResponseWriter, r *http.Req
|
|||
// PatchBlobData writes data to an upload.
|
||||
func (buh *blobUploadHandler) PatchBlobData(w http.ResponseWriter, r *http.Request) {
|
||||
if buh.Upload == nil {
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
|
||||
return
|
||||
}
|
||||
|
||||
ct := r.Header.Get("Content-Type")
|
||||
if ct != "" && ct != "application/octet-stream" {
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, fmt.Errorf("Bad Content-Type"))
|
||||
// TODO(dmcgowan): encode error
|
||||
return
|
||||
}
|
||||
|
|
@ -184,14 +173,12 @@ func (buh *blobUploadHandler) PatchBlobData(w http.ResponseWriter, r *http.Reque
|
|||
// Copy the data
|
||||
if _, err := io.Copy(buh.Upload, r.Body); err != nil {
|
||||
ctxu.GetLogger(buh).Errorf("unknown error copying into upload: %v", err)
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
buh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
return
|
||||
}
|
||||
|
||||
if err := buh.blobUploadResponse(w, r, false); err != nil {
|
||||
w.WriteHeader(http.StatusInternalServerError) // Error conditions here?
|
||||
buh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -205,7 +192,6 @@ func (buh *blobUploadHandler) PatchBlobData(w http.ResponseWriter, r *http.Reque
|
|||
// url of the blob.
|
||||
func (buh *blobUploadHandler) PutBlobUploadComplete(w http.ResponseWriter, r *http.Request) {
|
||||
if buh.Upload == nil {
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
|
||||
return
|
||||
}
|
||||
|
|
@ -214,7 +200,6 @@ func (buh *blobUploadHandler) PutBlobUploadComplete(w http.ResponseWriter, r *ht
|
|||
|
||||
if dgstStr == "" {
|
||||
// no digest? return error, but allow retry.
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
buh.Errors.Push(v2.ErrorCodeDigestInvalid, "digest missing")
|
||||
return
|
||||
}
|
||||
|
|
@ -222,7 +207,6 @@ func (buh *blobUploadHandler) PutBlobUploadComplete(w http.ResponseWriter, r *ht
|
|||
dgst, err := digest.ParseDigest(dgstStr)
|
||||
if err != nil {
|
||||
// no digest? return error, but allow retry.
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
buh.Errors.Push(v2.ErrorCodeDigestInvalid, "digest parsing failed")
|
||||
return
|
||||
}
|
||||
|
|
@ -230,8 +214,7 @@ func (buh *blobUploadHandler) PutBlobUploadComplete(w http.ResponseWriter, r *ht
|
|||
// Read in the data, if any.
|
||||
if _, err := io.Copy(buh.Upload, r.Body); err != nil {
|
||||
ctxu.GetLogger(buh).Errorf("unknown error copying into upload: %v", err)
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
buh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -246,17 +229,14 @@ func (buh *blobUploadHandler) PutBlobUploadComplete(w http.ResponseWriter, r *ht
|
|||
if err != nil {
|
||||
switch err := err.(type) {
|
||||
case distribution.ErrBlobInvalidDigest:
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
buh.Errors.Push(v2.ErrorCodeDigestInvalid, err)
|
||||
default:
|
||||
switch err {
|
||||
case distribution.ErrBlobInvalidLength, distribution.ErrBlobDigestUnsupported:
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
|
||||
default:
|
||||
ctxu.GetLogger(buh).Errorf("unknown error completing upload: %#v", err)
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
buh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -273,8 +253,7 @@ func (buh *blobUploadHandler) PutBlobUploadComplete(w http.ResponseWriter, r *ht
|
|||
// Build our canonical blob url
|
||||
blobURL, err := buh.urlBuilder.BuildBlobURL(buh.Repository.Name(), desc.Digest)
|
||||
if err != nil {
|
||||
buh.Errors.Push(v2.ErrorCodeUnknown, err)
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -287,7 +266,6 @@ func (buh *blobUploadHandler) PutBlobUploadComplete(w http.ResponseWriter, r *ht
|
|||
// CancelBlobUpload cancels an in-progress upload of a blob.
|
||||
func (buh *blobUploadHandler) CancelBlobUpload(w http.ResponseWriter, r *http.Request) {
|
||||
if buh.Upload == nil {
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
|
||||
return
|
||||
}
|
||||
|
|
@ -295,7 +273,6 @@ func (buh *blobUploadHandler) CancelBlobUpload(w http.ResponseWriter, r *http.Re
|
|||
w.Header().Set("Docker-Upload-UUID", buh.UUID)
|
||||
if err := buh.Upload.Cancel(buh); err != nil {
|
||||
ctxu.GetLogger(buh).Errorf("error encountered canceling upload: %v", err)
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
buh.Errors.PushErr(err)
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -8,6 +8,7 @@ import (
|
|||
"github.com/docker/distribution"
|
||||
ctxu "github.com/docker/distribution/context"
|
||||
"github.com/docker/distribution/digest"
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"github.com/docker/distribution/registry/api/v2"
|
||||
"golang.org/x/net/context"
|
||||
)
|
||||
|
|
@ -27,7 +28,7 @@ type Context struct {
|
|||
// Errors is a collection of errors encountered during the request to be
|
||||
// returned to the client API. If errors are added to the collection, the
|
||||
// handler *must not* start the response via http.ResponseWriter.
|
||||
Errors v2.Errors
|
||||
Errors errcode.Errors
|
||||
|
||||
urlBuilder *v2.URLBuilder
|
||||
|
||||
|
|
|
|||
|
|
@ -2,6 +2,7 @@ package handlers
|
|||
|
||||
import (
|
||||
"encoding/json"
|
||||
"github.com/docker/distribution/registry/api/errcode"
|
||||
"io"
|
||||
"net/http"
|
||||
)
|
||||
|
|
@ -11,6 +12,17 @@ import (
|
|||
// ResponseWriter.WriteHeader before this function.
|
||||
func serveJSON(w http.ResponseWriter, v interface{}) error {
|
||||
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
||||
sc := http.StatusInternalServerError
|
||||
|
||||
if errs, ok := v.(errcode.Errors); ok && errs.Len() > 0 {
|
||||
sc = errs.Errors[0].Code.Descriptor().HTTPStatusCode
|
||||
if sc == 0 {
|
||||
sc = http.StatusInternalServerError
|
||||
}
|
||||
}
|
||||
|
||||
w.WriteHeader(sc)
|
||||
|
||||
enc := json.NewEncoder(w)
|
||||
|
||||
if err := enc.Encode(v); err != nil {
|
||||
|
|
|
|||
|
|
@ -64,7 +64,6 @@ func (imh *imageManifestHandler) GetImageManifest(w http.ResponseWriter, r *http
|
|||
|
||||
if err != nil {
|
||||
imh.Errors.Push(v2.ErrorCodeManifestUnknown, err)
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -73,7 +72,6 @@ func (imh *imageManifestHandler) GetImageManifest(w http.ResponseWriter, r *http
|
|||
dgst, err := digestManifest(imh, sm)
|
||||
if err != nil {
|
||||
imh.Errors.Push(v2.ErrorCodeDigestInvalid, err)
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -95,14 +93,12 @@ func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http
|
|||
var manifest manifest.SignedManifest
|
||||
if err := dec.Decode(&manifest); err != nil {
|
||||
imh.Errors.Push(v2.ErrorCodeManifestInvalid, err)
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
dgst, err := digestManifest(imh, &manifest)
|
||||
if err != nil {
|
||||
imh.Errors.Push(v2.ErrorCodeDigestInvalid, err)
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -111,7 +107,6 @@ func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http
|
|||
if manifest.Tag != imh.Tag {
|
||||
ctxu.GetLogger(imh).Errorf("invalid tag on manifest payload: %q != %q", manifest.Tag, imh.Tag)
|
||||
imh.Errors.Push(v2.ErrorCodeTagInvalid)
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -120,12 +115,10 @@ func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http
|
|||
if dgst != imh.Digest {
|
||||
ctxu.GetLogger(imh).Errorf("payload digest does match: %q != %q", dgst, imh.Digest)
|
||||
imh.Errors.Push(v2.ErrorCodeDigestInvalid)
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
} else {
|
||||
imh.Errors.Push(v2.ErrorCodeTagInvalid, "no tag or digest specified")
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -152,7 +145,6 @@ func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http
|
|||
imh.Errors.PushErr(err)
|
||||
}
|
||||
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -180,7 +172,6 @@ func (imh *imageManifestHandler) DeleteImageManifest(w http.ResponseWriter, r *h
|
|||
// Once we work out schema version 2, the full deletion system will be
|
||||
// worked out and we can add support back.
|
||||
imh.Errors.Push(v2.ErrorCodeUnsupported)
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
}
|
||||
|
||||
// digestManifest takes a digest of the given manifest. This belongs somewhere
|
||||
|
|
|
|||
|
|
@ -39,7 +39,6 @@ func (th *tagsHandler) GetTags(w http.ResponseWriter, r *http.Request) {
|
|||
if err != nil {
|
||||
switch err := err.(type) {
|
||||
case distribution.ErrRepositoryUnknown:
|
||||
w.WriteHeader(404)
|
||||
th.Errors.Push(v2.ErrorCodeNameUnknown, map[string]string{"name": th.Repository.Name()})
|
||||
default:
|
||||
th.Errors.PushErr(err)
|
||||
|
|
|
|||
Loading…
Reference in a new issue