new file mode 100644

@@ -0,0 +1,20 @@

+package errors

+

+// This file contains all of the errors that can be generated from the

+// docker/image component.

+

+import (

+	"net/http"

+

+	"github.com/docker/distribution/registry/api/errcode"

+)

+

+var (

+	// ErrorCodeInvalidImageID is generated when image id specified is incorrectly formatted.

+	ErrorCodeInvalidImageID = errcode.Register(errGroup, errcode.ErrorDescriptor{

+		Value:          "INVALIDIMAGEID",

+		Message:        "image ID '%s' is invalid ",

+		Description:    "The specified image id is incorrectly formatted",

+		HTTPStatusCode: http.StatusInternalServerError,

+	})

+)

@@ -2,10 +2,10 @@ package image

 import (

 	"encoding/json"

-	"fmt"

 	"regexp"

 	"time"

+	derr "github.com/docker/docker/errors"

 	"github.com/docker/docker/runconfig"

 )

@@ -53,7 +53,7 @@ func NewImgJSON(src []byte) (*Image, error) {

 // ValidateID checks whether an ID string is a valid image ID.

 func ValidateID(id string) error {

 	if ok := validHex.MatchString(id); !ok {

-		return fmt.Errorf("image ID '%s' is invalid", id)

+		return derr.ErrorCodeInvalidImageID.WithArgs(id)

 	}

 	return nil

 }