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Round 2

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Make Errors a []Error

Signed-off-by: Doug Davis <dug@us.ibm.com>
This commit is contained in:
Doug Davis 2015-05-26 17:18:32 -07:00
parent 0a6a6f5b81
commit 8a0827f799
13 changed files with 98 additions and 116 deletions
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62
registry/api/errcode/errors.go
View file

@ -55,8 +55,8 @@ var errorDescriptors = []ErrorDescriptor{
}
// LoadErrors will register a new set of Errors into the system
func LoadErrors(errs *[]ErrorDescriptor) {
for _, descriptor := range *errs {
func LoadErrors(errs []ErrorDescriptor) {
for _, descriptor := range errs {
if _, ok := idToDescriptors[descriptor.Value]; ok {
panic(fmt.Sprintf("ErrorValue %s is already registered", descriptor.Value))
}
@ -123,28 +123,28 @@ func (ec *ErrorCode) UnmarshalText(text []byte) error {
// 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"`
Code ErrorCode `json:"code"`
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)
e.Code.Message())
}
// Message returned the human-readable error message for this Error
func (e Error) Message() string {
return e.Code.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"`
}
type Errors []Error
// 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{}) {
// NewError creates a new Error struct based on the passed-in info
func NewError(code ErrorCode, details ...interface{}) Error {
if len(details) > 1 {
panic("please specify zero or one detail items for this error")
}
@ -158,49 +158,33 @@ func (errs *Errors) Push(code ErrorCode, details ...interface{}) {
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()})
return Error{
Code: code,
Detail: detail,
}
}
func (errs *Errors) Error() string {
switch errs.Len() {
func (errs Errors) Error() string {
switch len(errs) {
case 0:
return "<nil>"
case 1:
return errs.Errors[0].Error()
return errs[0].Error()
default:
msg := "errors:\n"
for _, err := range errs.Errors {
for _, err := range errs {
msg += err.Error() + "\n"
}
return msg
}
}
// Clear clears the errors.
func (errs *Errors) Clear() {
errs.Errors = nil
}
// Len returns the current number of errors.
func (errs *Errors) Len() int {
return len(errs.Errors)
func (errs Errors) Len() int {
return len(errs)
}
// init loads the default errors that are part of the errcode package
func init() {
LoadErrors(&errorDescriptors)
LoadErrors(errorDescriptors)
}

2
registry/api/v2/errors.go
View file

@ -188,5 +188,5 @@ var errorDescriptors = []errcode.ErrorDescriptor{
// init registers our errors with the errcode system
func init() {
errcode.LoadErrors(&errorDescriptors)
errcode.LoadErrors(errorDescriptors)
}

19
registry/client/blob_writer_test.go
View file

@ -86,15 +86,12 @@ func TestUploadReadFrom(t *testing.T) {
Response: testutil.Response{
StatusCode: http.StatusBadRequest,
Body: []byte(`
{
"errors": [
[
{
"code": "BLOB_UPLOAD_INVALID",
"message": "invalid upload identifier",
"detail": "more detail"
}
]
}`),
] `),
},
},
// Test 400 invalid json
@ -162,17 +159,17 @@ func TestUploadReadFrom(t *testing.T) {
if err == nil {
t.Fatalf("Expected error when not found")
}
if uploadErr, ok := err.(*errcode.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 if len(uploadErr) != 1 {
t.Fatalf("Unexpected number of errors: %d, expected 1", len(uploadErr))
} else {
v2Err := uploadErr.Errors[0]
v2Err := uploadErr[0]
if v2Err.Code != v2.ErrorCodeBlobUploadInvalid {
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)
if expected := "blob upload invalid"; v2Err.Message() != expected {
t.Fatalf("Unexpected error message: %s, expected %s", v2Err.Message(), expected)
}
if expected := "more detail"; v2Err.Detail.(string) != expected {
t.Fatalf("Unexpected error message: %s, expected %s", v2Err.Detail.(string), expected)

7
registry/client/errors.go
View file

@ -45,7 +45,7 @@ func parseHTTPErrorResponse(r io.Reader) error {
Response: body,
}
}
return &errors
return errors
}
func handleErrorResponse(resp *http.Response) error {
@ -53,9 +53,8 @@ func handleErrorResponse(resp *http.Response) error {
err := parseHTTPErrorResponse(resp.Body)
if uErr, ok := err.(*UnexpectedHTTPResponseError); ok {
return &errcode.Error{
Code: v2.ErrorCodeUnauthorized,
Message: "401 Unauthorized",
Detail: uErr.Response,
Code: v2.ErrorCodeUnauthorized,
Detail: uErr.Response,
}
}
return err

4
registry/client/repository_test.go
View file

@ -676,7 +676,7 @@ func TestManifestUnauthorized(t *testing.T) {
if v2Err.Code != v2.ErrorCodeUnauthorized {
t.Fatalf("Unexpected error code: %s", v2Err.Code.String())
}
if expected := "401 Unauthorized"; v2Err.Message != expected {
t.Fatalf("Unexpected message value: %s, expected %s", v2Err.Message, expected)
if expected := errcode.ErrorCode(v2.ErrorCodeUnauthorized).Message(); v2Err.Message() != expected {
t.Fatalf("Unexpected message value: %s, expected %s", v2Err.Message(), expected)
}
}

4
registry/handlers/api_test.go
View file

@ -760,7 +760,7 @@ func checkBodyHasErrorCodes(t *testing.T, msg string, resp *http.Response, error
t.Fatalf("unexpected error decoding error response: %v", err)
}
if len(errs.Errors) == 0 {
if len(errs) == 0 {
t.Fatalf("expected errors in response")
}
@ -780,7 +780,7 @@ func checkBodyHasErrorCodes(t *testing.T, msg string, resp *http.Response, error
counts[code] = 0
}
for _, err := range errs.Errors {
for _, err := range errs {
if _, ok := expected[err.Code]; !ok {
t.Fatalf("unexpected error code %v encountered during %s: %s ", err.Code, msg, string(p))
}

14
registry/handlers/app.go
View file

@ -346,9 +346,9 @@ func (app *App) dispatcher(dispatch dispatchFunc) http.Handler {
switch err := err.(type) {
case distribution.ErrRepositoryUnknown:
context.Errors.Push(v2.ErrorCodeNameUnknown, err)
context.Errors = append(context.Errors, errcode.NewError(v2.ErrorCodeNameUnknown, err))
case distribution.ErrRepositoryNameInvalid:
context.Errors.Push(v2.ErrorCodeNameInvalid, err)
context.Errors = append(context.Errors, errcode.NewError(v2.ErrorCodeNameInvalid, err))
}
serveJSON(w, context.Errors)
@ -363,7 +363,7 @@ 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(errcode.ErrorCodeUnknown, err)
context.Errors = append(context.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
serveJSON(w, context.Errors)
return
@ -383,9 +383,9 @@ func (app *App) dispatcher(dispatch dispatchFunc) http.Handler {
}
func (app *App) logError(context context.Context, errors errcode.Errors) {
for _, e := range errors.Errors {
for _, e := range errors {
c := ctxu.WithValue(context, "err.code", e.Code)
c = ctxu.WithValue(c, "err.message", e.Message)
c = ctxu.WithValue(c, "err.message", e.Code.Message())
c = ctxu.WithValue(c, "err.detail", e.Detail)
c = ctxu.WithLogger(c, ctxu.GetLogger(c,
"err.code",
@ -441,7 +441,7 @@ func (app *App) authorized(w http.ResponseWriter, r *http.Request, context *Cont
// proceed.
var errs errcode.Errors
errs.Push(v2.ErrorCodeUnauthorized)
errs = append(errs, errcode.NewError(v2.ErrorCodeUnauthorized))
serveJSON(w, errs)
return fmt.Errorf("forbidden: no repository name")
@ -464,7 +464,7 @@ func (app *App) authorized(w http.ResponseWriter, r *http.Request, context *Cont
err.ServeHTTP(w, r)
var errs errcode.Errors
errs.Push(v2.ErrorCodeUnauthorized, accessRecords)
errs = append(errs, errcode.NewError(v2.ErrorCodeUnauthorized, accessRecords))
serveJSON(w, errs)
default:
// This condition is a potential security problem either in

4
registry/handlers/app_test.go
View file

@ -203,8 +203,8 @@ func TestNewApp(t *testing.T) {
t.Fatalf("error decoding error response: %v", err)
}
if errs.Errors[0].Code != v2.ErrorCodeUnauthorized {
t.Fatalf("unexpected error code: %v != %v", errs.Errors[0].Code, v2.ErrorCodeUnauthorized)
if errs[0].Code != v2.ErrorCodeUnauthorized {
t.Fatalf("unexpected error code: %v != %v", errs[0].Code, v2.ErrorCodeUnauthorized)
}
}

10
registry/handlers/blob.go
View file

@ -18,12 +18,12 @@ func blobDispatcher(ctx *Context, r *http.Request) http.Handler {
if err == errDigestNotAvailable {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx.Errors.Push(v2.ErrorCodeDigestInvalid, err)
ctx.Errors = append(ctx.Errors, errcode.NewError(v2.ErrorCodeDigestInvalid, err))
})
}
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx.Errors.Push(v2.ErrorCodeDigestInvalid, err)
ctx.Errors = append(ctx.Errors, errcode.NewError(v2.ErrorCodeDigestInvalid, err))
})
}
@ -53,16 +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 {
bh.Errors.Push(v2.ErrorCodeBlobUnknown, bh.Digest)
bh.Errors = append(bh.Errors, errcode.NewError(v2.ErrorCodeBlobUnknown, bh.Digest))
} else {
bh.Errors.Push(errcode.ErrorCodeUnknown, err)
bh.Errors = append(bh.Errors, errcode.NewError(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(errcode.ErrorCodeUnknown, err)
bh.Errors = append(bh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
return
}
}

50
registry/handlers/blobupload.go
View file

@ -37,7 +37,7 @@ 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)
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadInvalid, err))
})
}
buh.State = state
@ -45,14 +45,14 @@ 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())
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadInvalid, err))
})
}
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)
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadInvalid, err))
})
}
@ -62,12 +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) {
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadUnknown, err))
})
}
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
})
}
buh.Upload = upload
@ -81,14 +81,14 @@ 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) {
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadInvalid, err))
upload.Cancel(buh)
})
} else if nn != buh.State.Offset {
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) {
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadInvalid, err))
upload.Cancel(buh)
})
}
@ -119,7 +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 {
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
return
}
@ -127,7 +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 {
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
return
}
@ -138,7 +138,7 @@ 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 {
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadUnknown))
return
}
@ -146,7 +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 {
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
return
}
@ -157,13 +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 {
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadUnknown))
return
}
ct := r.Header.Get("Content-Type")
if ct != "" && ct != "application/octet-stream" {
buh.Errors.Push(errcode.ErrorCodeUnknown, fmt.Errorf("Bad Content-Type"))
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, fmt.Errorf("Bad Content-Type")))
// TODO(dmcgowan): encode error
return
}
@ -173,12 +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)
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
return
}
if err := buh.blobUploadResponse(w, r, false); err != nil {
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
return
}
@ -192,7 +192,7 @@ 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 {
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadUnknown))
return
}
@ -200,21 +200,21 @@ func (buh *blobUploadHandler) PutBlobUploadComplete(w http.ResponseWriter, r *ht
if dgstStr == "" {
// no digest? return error, but allow retry.
buh.Errors.Push(v2.ErrorCodeDigestInvalid, "digest missing")
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeDigestInvalid, "digest missing"))
return
}
dgst, err := digest.ParseDigest(dgstStr)
if err != nil {
// no digest? return error, but allow retry.
buh.Errors.Push(v2.ErrorCodeDigestInvalid, "digest parsing failed")
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeDigestInvalid, "digest parsing failed"))
return
}
// 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)
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
return
}
@ -229,14 +229,14 @@ func (buh *blobUploadHandler) PutBlobUploadComplete(w http.ResponseWriter, r *ht
if err != nil {
switch err := err.(type) {
case distribution.ErrBlobInvalidDigest:
buh.Errors.Push(v2.ErrorCodeDigestInvalid, err)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeDigestInvalid, err))
default:
switch err {
case distribution.ErrBlobInvalidLength, distribution.ErrBlobDigestUnsupported:
buh.Errors.Push(v2.ErrorCodeBlobUploadInvalid, err)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadInvalid, err))
default:
ctxu.GetLogger(buh).Errorf("unknown error completing upload: %#v", err)
buh.Errors.Push(errcode.ErrorCodeUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
}
}
@ -253,7 +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(errcode.ErrorCodeUnknown, err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
return
}
@ -266,14 +266,14 @@ 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 {
buh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
buh.Errors = append(buh.Errors, errcode.NewError(v2.ErrorCodeBlobUploadUnknown))
return
}
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)
buh.Errors.PushErr(err)
buh.Errors = append(buh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
}
w.WriteHeader(http.StatusNoContent)

4
registry/handlers/helpers.go
View file

@ -14,8 +14,8 @@ 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 errs, ok := v.(errcode.Errors); ok && len(errs) > 0 {
sc = errs[0].Code.Descriptor().HTTPStatusCode
if sc == 0 {
sc = http.StatusInternalServerError
}

27
registry/handlers/images.go
View file

@ -10,6 +10,7 @@ import (
ctxu "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/gorilla/handlers"
"golang.org/x/net/context"
@ -63,7 +64,7 @@ func (imh *imageManifestHandler) GetImageManifest(w http.ResponseWriter, r *http
}
if err != nil {
imh.Errors.Push(v2.ErrorCodeManifestUnknown, err)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeManifestUnknown, err))
return
}
@ -71,7 +72,7 @@ func (imh *imageManifestHandler) GetImageManifest(w http.ResponseWriter, r *http
if imh.Digest == "" {
dgst, err := digestManifest(imh, sm)
if err != nil {
imh.Errors.Push(v2.ErrorCodeDigestInvalid, err)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeDigestInvalid, err))
return
}
@ -92,13 +93,13 @@ 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)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeManifestInvalid, err))
return
}
dgst, err := digestManifest(imh, &manifest)
if err != nil {
imh.Errors.Push(v2.ErrorCodeDigestInvalid, err)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeDigestInvalid, err))
return
}
@ -106,7 +107,7 @@ func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http
if imh.Tag != "" {
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)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeTagInvalid))
return
}
@ -114,11 +115,11 @@ func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http
} else if imh.Digest != "" {
if dgst != imh.Digest {
ctxu.GetLogger(imh).Errorf("payload digest does match: %q != %q", dgst, imh.Digest)
imh.Errors.Push(v2.ErrorCodeDigestInvalid)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeDigestInvalid))
return
}
} else {
imh.Errors.Push(v2.ErrorCodeTagInvalid, "no tag or digest specified")
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeTagInvalid, "no tag or digest specified"))
return
}
@ -130,19 +131,19 @@ func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http
for _, verificationError := range err {
switch verificationError := verificationError.(type) {
case distribution.ErrManifestBlobUnknown:
imh.Errors.Push(v2.ErrorCodeBlobUnknown, verificationError.Digest)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeBlobUnknown, verificationError.Digest))
case distribution.ErrManifestUnverified:
imh.Errors.Push(v2.ErrorCodeManifestUnverified)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeManifestUnverified))
default:
if verificationError == digest.ErrDigestInvalidFormat {
imh.Errors.Push(v2.ErrorCodeDigestInvalid)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeDigestInvalid))
} else {
imh.Errors.PushErr(verificationError)
imh.Errors = append(imh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, verificationError))
}
}
}
default:
imh.Errors.PushErr(err)
imh.Errors = append(imh.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
}
return
@ -171,7 +172,7 @@ func (imh *imageManifestHandler) DeleteImageManifest(w http.ResponseWriter, r *h
// tag index entries a serious problem in eventually consistent storage.
// 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)
imh.Errors = append(imh.Errors, errcode.NewError(v2.ErrorCodeUnsupported))
}
// digestManifest takes a digest of the given manifest. This belongs somewhere

7
registry/handlers/tags.go
View file

@ -5,6 +5,7 @@ import (
"net/http"
"github.com/docker/distribution"
"github.com/docker/distribution/registry/api/errcode"
"github.com/docker/distribution/registry/api/v2"
"github.com/gorilla/handlers"
)
@ -39,9 +40,9 @@ func (th *tagsHandler) GetTags(w http.ResponseWriter, r *http.Request) {
if err != nil {
switch err := err.(type) {
case distribution.ErrRepositoryUnknown:
th.Errors.Push(v2.ErrorCodeNameUnknown, map[string]string{"name": th.Repository.Name()})
th.Errors = append(th.Errors, errcode.NewError(v2.ErrorCodeNameUnknown, map[string]string{"name": th.Repository.Name()}))
default:
th.Errors.PushErr(err)
th.Errors = append(th.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
}
return
}
@ -53,7 +54,7 @@ func (th *tagsHandler) GetTags(w http.ResponseWriter, r *http.Request) {
Name: th.Repository.Name(),
Tags: tags,
}); err != nil {
th.Errors.PushErr(err)
th.Errors = append(th.Errors, errcode.NewError(errcode.ErrorCodeUnknown, err))
return
}
}