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Merge pull request #846 from stevvooe/next-generation

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Consolidate routes and error codes into v2 package
This commit is contained in:
Olivier Gambier 2014-12-12 17:17:24 -08:00
commit d726630ad0
21 changed files with 422 additions and 312 deletions
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17
api/errors/descriptors.go → api/v2/descriptors.go
View file

@ -1,7 +1,10 @@
package errors
package v2
import "net/http"
// TODO(stevvooe): Add route descriptors for each named route, along with
// accepted methods, parameters, returned status codes and error codes.
// ErrorDescriptor provides relevant information about a given error code.
type ErrorDescriptor struct {
// Code is the error code that this descriptor describes.
@ -26,9 +29,9 @@ type ErrorDescriptor struct {
HTTPStatusCodes []int
}
// Descriptors provides a list of HTTP API Error codes that may be encountered
// when interacting with the registry API.
var Descriptors = []ErrorDescriptor{
// 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",
@ -131,10 +134,10 @@ var errorCodeToDescriptors map[ErrorCode]ErrorDescriptor
var idToDescriptors map[string]ErrorDescriptor
func init() {
errorCodeToDescriptors = make(map[ErrorCode]ErrorDescriptor, len(Descriptors))
idToDescriptors = make(map[string]ErrorDescriptor, len(Descriptors))
errorCodeToDescriptors = make(map[ErrorCode]ErrorDescriptor, len(ErrorDescriptors))
idToDescriptors = make(map[string]ErrorDescriptor, len(ErrorDescriptors))
for _, descriptor := range Descriptors {
for _, descriptor := range ErrorDescriptors {
errorCodeToDescriptors[descriptor.Code] = descriptor
idToDescriptors[descriptor.Value] = descriptor
}

9
api/v2/doc.go Normal file
View file

@ -0,0 +1,9 @@
// Package v2 describes routes, urls and the error codes used in the Docker
// Registry JSON HTTP API V2. In addition to declarations, descriptors are
// provided for routes and error codes that can be used for implementation and
// automatically generating documentation.
//
// Definitions here are considered to be locked down for the V2 registry api.
// Any changes must be considered carefully and should not proceed without a
// change proposal in docker core.
package v2

10
api/errors/errors.go → api/v2/errors.go
View file

@ -1,12 +1,4 @@
// Package errors describes the error codes that may be returned via the
// Docker Registry JSON HTTP API V2. In addition to declaractions,
// descriptions about the error codes and the conditions causing them are
// avialable in detail.
//
// Error definitions here are considered to be locked down for the V2 registry
// api. Any changes must be considered carefully and should not proceed
// without a change proposal in docker core.
package errors
package v2
import (
"fmt"

4
api/errors/errors_test.go → api/v2/errors_test.go
View file

@ -1,4 +1,4 @@
package errors
package v2
import (
"encoding/json"
@ -11,7 +11,7 @@ import (
// TestErrorCodes ensures that error code format, mappings and
// marshaling/unmarshaling. round trips are stable.
func TestErrorCodes(t *testing.T) {
for _, desc := range Descriptors {
for _, desc := range ErrorDescriptors {
if desc.Code.String() != desc.Value {
t.Fatalf("error code string incorrect: %q != %q", desc.Code.String(), desc.Value)
}

45
routes.go → api/v2/routes.go
View file

@ -1,66 +1,69 @@
package registry
package v2
import (
"github.com/docker/docker-registry/common"
"github.com/gorilla/mux"
)
// The following are definitions of the name under which all V2 routes are
// registered. These symbols can be used to look up a route based on the name.
const (
routeNameBase = "base"
routeNameImageManifest = "image-manifest"
routeNameTags = "tags"
routeNameBlob = "blob"
routeNameBlobUpload = "blob-upload"
routeNameBlobUploadResume = "blob-upload-resume"
RouteNameBase = "base"
RouteNameManifest = "manifest"
RouteNameTags = "tags"
RouteNameBlob = "blob"
RouteNameBlobUpload = "blob-upload"
RouteNameBlobUploadChunk = "blob-upload-chunk"
)
var allEndpoints = []string{
routeNameImageManifest,
routeNameTags,
routeNameBlob,
routeNameBlobUpload,
routeNameBlobUploadResume,
RouteNameManifest,
RouteNameTags,
RouteNameBlob,
RouteNameBlobUpload,
RouteNameBlobUploadChunk,
}
// v2APIRouter builds a gorilla router with named routes for the various API
// methods. We may export this for use by the client.
func v2APIRouter() *mux.Router {
// Router builds a gorilla router with named routes for the various API
// methods. This can be used directly by both server implementations and
// clients.
func Router() *mux.Router {
router := mux.NewRouter().
StrictSlash(true)
// GET /v2/ Check Check that the registry implements API version 2(.1)
router.
Path("/v2/").
Name(routeNameBase)
Name(RouteNameBase)
// GET /v2/<name>/manifest/<tag> Image Manifest Fetch the image manifest identified by name and tag.
// PUT /v2/<name>/manifest/<tag> Image Manifest Upload the image manifest identified by name and tag.
// DELETE /v2/<name>/manifest/<tag> Image Manifest Delete the image identified by name and tag.
router.
Path("/v2/{name:" + common.RepositoryNameRegexp.String() + "}/manifests/{tag:" + common.TagNameRegexp.String() + "}").
Name(routeNameImageManifest)
Name(RouteNameManifest)
// GET /v2/<name>/tags/list Tags Fetch the tags under the repository identified by name.
router.
Path("/v2/{name:" + common.RepositoryNameRegexp.String() + "}/tags/list").
Name(routeNameTags)
Name(RouteNameTags)
// GET /v2/<name>/blob/<digest> Layer Fetch the blob identified by digest.
router.
Path("/v2/{name:" + common.RepositoryNameRegexp.String() + "}/blobs/{digest:[a-zA-Z0-9-_+.]+:[a-zA-Z0-9-_+.=]+}").
Name(routeNameBlob)
Name(RouteNameBlob)
// POST /v2/<name>/blob/upload/ Layer Upload Initiate an upload of the layer identified by tarsum.
router.
Path("/v2/{name:" + common.RepositoryNameRegexp.String() + "}/blobs/uploads/").
Name(routeNameBlobUpload)
Name(RouteNameBlobUpload)
// GET /v2/<name>/blob/upload/<uuid> Layer Upload Get the status of the upload identified by tarsum and uuid.
// PUT /v2/<name>/blob/upload/<uuid> Layer Upload Upload all or a chunk of the upload identified by tarsum and uuid.
// DELETE /v2/<name>/blob/upload/<uuid> Layer Upload Cancel the upload identified by layer and uuid
router.
Path("/v2/{name:" + common.RepositoryNameRegexp.String() + "}/blobs/uploads/{uuid}").
Name(routeNameBlobUploadResume)
Name(RouteNameBlobUploadChunk)
return router
}

28
routes_test.go → api/v2/routes_test.go
View file

@ -1,4 +1,4 @@
package registry
package v2
import (
"encoding/json"
@ -25,7 +25,7 @@ type routeTestCase struct {
// This may go away as the application structure comes together.
func TestRouter(t *testing.T) {
router := v2APIRouter()
router := Router()
testHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
testCase := routeTestCase{
@ -47,12 +47,12 @@ func TestRouter(t *testing.T) {
for _, testcase := range []routeTestCase{
{
RouteName: routeNameBase,
RouteName: RouteNameBase,
RequestURI: "/v2/",
Vars: map[string]string{},
},
{
RouteName: routeNameImageManifest,
RouteName: RouteNameManifest,
RequestURI: "/v2/foo/bar/manifests/tag",
Vars: map[string]string{
"name": "foo/bar",
@ -60,14 +60,14 @@ func TestRouter(t *testing.T) {
},
},
{
RouteName: routeNameTags,
RouteName: RouteNameTags,
RequestURI: "/v2/foo/bar/tags/list",
Vars: map[string]string{
"name": "foo/bar",
},
},
{
RouteName: routeNameBlob,
RouteName: RouteNameBlob,
RequestURI: "/v2/foo/bar/blobs/tarsum.dev+foo:abcdef0919234",
Vars: map[string]string{
"name": "foo/bar",
@ -75,7 +75,7 @@ func TestRouter(t *testing.T) {
},
},
{
RouteName: routeNameBlob,
RouteName: RouteNameBlob,
RequestURI: "/v2/foo/bar/blobs/sha256:abcdef0919234",
Vars: map[string]string{
"name": "foo/bar",
@ -83,14 +83,14 @@ func TestRouter(t *testing.T) {
},
},
{
RouteName: routeNameBlobUpload,
RouteName: RouteNameBlobUpload,
RequestURI: "/v2/foo/bar/blobs/uploads/",
Vars: map[string]string{
"name": "foo/bar",
},
},
{
RouteName: routeNameBlobUploadResume,
RouteName: RouteNameBlobUploadChunk,
RequestURI: "/v2/foo/bar/blobs/uploads/uuid",
Vars: map[string]string{
"name": "foo/bar",
@ -98,7 +98,7 @@ func TestRouter(t *testing.T) {
},
},
{
RouteName: routeNameBlobUploadResume,
RouteName: RouteNameBlobUploadChunk,
RequestURI: "/v2/foo/bar/blobs/uploads/D95306FA-FAD3-4E36-8D41-CF1C93EF8286",
Vars: map[string]string{
"name": "foo/bar",
@ -106,7 +106,7 @@ func TestRouter(t *testing.T) {
},
},
{
RouteName: routeNameBlobUploadResume,
RouteName: RouteNameBlobUploadChunk,
RequestURI: "/v2/foo/bar/blobs/uploads/RDk1MzA2RkEtRkFEMy00RTM2LThENDEtQ0YxQzkzRUY4Mjg2IA==",
Vars: map[string]string{
"name": "foo/bar",
@ -117,7 +117,7 @@ func TestRouter(t *testing.T) {
// Check ambiguity: ensure we can distinguish between tags for
// "foo/bar/image/image" and image for "foo/bar/image" with tag
// "tags"
RouteName: routeNameImageManifest,
RouteName: RouteNameManifest,
RequestURI: "/v2/foo/bar/manifests/manifests/tags",
Vars: map[string]string{
"name": "foo/bar/manifests",
@ -127,14 +127,14 @@ func TestRouter(t *testing.T) {
{
// This case presents an ambiguity between foo/bar with tag="tags"
// and list tags for "foo/bar/manifest"
RouteName: routeNameTags,
RouteName: RouteNameTags,
RequestURI: "/v2/foo/bar/manifests/tags/list",
Vars: map[string]string{
"name": "foo/bar/manifests",
},
},
{
RouteName: routeNameBlobUploadResume,
RouteName: RouteNameBlobUploadChunk,
RequestURI: "/v2/foo/../../blob/uploads/D95306FA-FAD3-4E36-8D41-CF1C93EF8286",
StatusCode: http.StatusNotFound,
},

165
api/v2/urls.go Normal file
View file

@ -0,0 +1,165 @@
package v2
import (
"net/http"
"net/url"
"github.com/docker/docker-registry/digest"
"github.com/gorilla/mux"
)
// URLBuilder creates registry API urls from a single base endpoint. It can be
// used to create urls for use in a registry client or server.
//
// All urls will be created from the given base, including the api version.
// For example, if a root of "/foo/" is provided, urls generated will be fall
// under "/foo/v2/...". Most application will only provide a schema, host and
// port, such as "https://localhost:5000/".
type URLBuilder struct {
root *url.URL // url root (ie http://localhost/)
router *mux.Router
}
// NewURLBuilder creates a URLBuilder with provided root url object.
func NewURLBuilder(root *url.URL) *URLBuilder {
return &URLBuilder{
root: root,
router: Router(),
}
}
// NewURLBuilderFromString workes identically to NewURLBuilder except it takes
// a string argument for the root, returning an error if it is not a valid
// url.
func NewURLBuilderFromString(root string) (*URLBuilder, error) {
u, err := url.Parse(root)
if err != nil {
return nil, err
}
return NewURLBuilder(u), nil
}
// NewURLBuilderFromRequest uses information from an *http.Request to
// construct the root url.
func NewURLBuilderFromRequest(r *http.Request) *URLBuilder {
u := &url.URL{
Scheme: r.URL.Scheme,
Host: r.Host,
}
return NewURLBuilder(u)
}
// BuildBaseURL constructs a base url for the API, typically just "/v2/".
func (ub *URLBuilder) BuildBaseURL() (string, error) {
route := ub.cloneRoute(RouteNameBase)
baseURL, err := route.URL()
if err != nil {
return "", err
}
return baseURL.String(), nil
}
// BuildTagsURL constructs a url to list the tags in the named repository.
func (ub *URLBuilder) BuildTagsURL(name string) (string, error) {
route := ub.cloneRoute(RouteNameTags)
tagsURL, err := route.URL("name", name)
if err != nil {
return "", err
}
return tagsURL.String(), nil
}
// BuildManifestURL constructs a url for the manifest identified by name and tag.
func (ub *URLBuilder) BuildManifestURL(name, tag string) (string, error) {
route := ub.cloneRoute(RouteNameManifest)
manifestURL, err := route.URL("name", name, "tag", tag)
if err != nil {
return "", err
}
return manifestURL.String(), nil
}
// BuildBlobURL constructs the url for the blob identified by name and dgst.
func (ub *URLBuilder) BuildBlobURL(name string, dgst digest.Digest) (string, error) {
route := ub.cloneRoute(RouteNameBlob)
layerURL, err := route.URL("name", name, "digest", dgst.String())
if err != nil {
return "", err
}
return layerURL.String(), nil
}
// BuildBlobUploadURL constructs a url to begin a blob upload in the
// repository identified by name.
func (ub *URLBuilder) BuildBlobUploadURL(name string, values ...url.Values) (string, error) {
route := ub.cloneRoute(RouteNameBlobUpload)
uploadURL, err := route.URL("name", name)
if err != nil {
return "", err
}
return appendValuesURL(uploadURL, values...).String(), nil
}
// BuildBlobUploadChunkURL constructs a url for the upload identified by uuid,
// including any url values. This should generally not be used by clients, as
// this url is provided by server implementations during the blob upload
// process.
func (ub *URLBuilder) BuildBlobUploadChunkURL(name, uuid string, values ...url.Values) (string, error) {
route := ub.cloneRoute(RouteNameBlobUploadChunk)
uploadURL, err := route.URL("name", name, "uuid", uuid)
if err != nil {
return "", err
}
return appendValuesURL(uploadURL, values...).String(), nil
}
// clondedRoute returns a clone of the named route from the router. Routes
// must be cloned to avoid modifying them during url generation.
func (ub *URLBuilder) cloneRoute(name string) *mux.Route {
route := new(mux.Route)
*route = *ub.router.GetRoute(name) // clone the route
return route.
Schemes(ub.root.Scheme).
Host(ub.root.Host)
}
// appendValuesURL appends the parameters to the url.
func appendValuesURL(u *url.URL, values ...url.Values) *url.URL {
merged := u.Query()
for _, v := range values {
for k, vv := range v {
merged[k] = append(merged[k], vv...)
}
}
u.RawQuery = merged.Encode()
return u
}
// appendValues appends the parameters to the url. Panics if the string is not
// a url.
func appendValues(u string, values ...url.Values) string {
up, err := url.Parse(u)
if err != nil {
panic(err) // should never happen
}
return appendValuesURL(up, values...).String()
}

100
api/v2/urls_test.go Normal file
View file

@ -0,0 +1,100 @@
package v2
import (
"net/url"
"testing"
)
type urlBuilderTestCase struct {
description string
expected string
build func() (string, error)
}
// TestURLBuilder tests the various url building functions, ensuring they are
// returning the expected values.
func TestURLBuilder(t *testing.T) {
root := "http://localhost:5000/"
urlBuilder, err := NewURLBuilderFromString(root)
if err != nil {
t.Fatalf("unexpected error creating urlbuilder: %v", err)
}
for _, testcase := range []struct {
description string
expected string
build func() (string, error)
}{
{
description: "test base url",
expected: "http://localhost:5000/v2/",
build: urlBuilder.BuildBaseURL,
},
{
description: "test tags url",
expected: "http://localhost:5000/v2/foo/bar/tags/list",
build: func() (string, error) {
return urlBuilder.BuildTagsURL("foo/bar")
},
},
{
description: "test manifest url",
expected: "http://localhost:5000/v2/foo/bar/manifests/tag",
build: func() (string, error) {
return urlBuilder.BuildManifestURL("foo/bar", "tag")
},
},
{
description: "build blob url",
expected: "http://localhost:5000/v2/foo/bar/blobs/tarsum.v1+sha256:abcdef0123456789",
build: func() (string, error) {
return urlBuilder.BuildBlobURL("foo/bar", "tarsum.v1+sha256:abcdef0123456789")
},
},
{
description: "build blob upload url",
expected: "http://localhost:5000/v2/foo/bar/blobs/uploads/",
build: func() (string, error) {
return urlBuilder.BuildBlobUploadURL("foo/bar")
},
},
{
description: "build blob upload url with digest and size",
expected: "http://localhost:5000/v2/foo/bar/blobs/uploads/?digest=tarsum.v1%2Bsha256%3Aabcdef0123456789&size=10000",
build: func() (string, error) {
return urlBuilder.BuildBlobUploadURL("foo/bar", url.Values{
"size": []string{"10000"},
"digest": []string{"tarsum.v1+sha256:abcdef0123456789"},
})
},
},
{
description: "build blob upload chunk url",
expected: "http://localhost:5000/v2/foo/bar/blobs/uploads/uuid-part",
build: func() (string, error) {
return urlBuilder.BuildBlobUploadChunkURL("foo/bar", "uuid-part")
},
},
{
description: "build blob upload chunk url with digest and size",
expected: "http://localhost:5000/v2/foo/bar/blobs/uploads/uuid-part?digest=tarsum.v1%2Bsha256%3Aabcdef0123456789&size=10000",
build: func() (string, error) {
return urlBuilder.BuildBlobUploadChunkURL("foo/bar", "uuid-part", url.Values{
"size": []string{"10000"},
"digest": []string{"tarsum.v1+sha256:abcdef0123456789"},
})
},
},
} {
u, err := testcase.build()
if err != nil {
t.Fatalf("%s: error building url: %v", testcase.description, err)
}
if u != testcase.expected {
t.Fatalf("%s: %q != %q", testcase.description, u, testcase.expected)
}
}
}

49
api_test.go
View file

@ -13,7 +13,7 @@ import (
"os"
"testing"
"github.com/docker/docker-registry/api/errors"
"github.com/docker/docker-registry/api/v2"
"github.com/docker/docker-registry/common/testutil"
"github.com/docker/docker-registry/configuration"
"github.com/docker/docker-registry/digest"
@ -34,13 +34,13 @@ func TestCheckAPI(t *testing.T) {
app := NewApp(config)
server := httptest.NewServer(handlers.CombinedLoggingHandler(os.Stderr, app))
builder, err := newURLBuilderFromString(server.URL)
builder, err := v2.NewURLBuilderFromString(server.URL)
if err != nil {
t.Fatalf("error creating url builder: %v", err)
}
baseURL, err := builder.buildBaseURL()
baseURL, err := builder.BuildBaseURL()
if err != nil {
t.Fatalf("unexpected error building base url: %v", err)
}
@ -81,7 +81,7 @@ func TestLayerAPI(t *testing.T) {
app := NewApp(config)
server := httptest.NewServer(handlers.CombinedLoggingHandler(os.Stderr, app))
builder, err := newURLBuilderFromString(server.URL)
builder, err := v2.NewURLBuilderFromString(server.URL)
if err != nil {
t.Fatalf("error creating url builder: %v", err)
@ -98,7 +98,7 @@ func TestLayerAPI(t *testing.T) {
// -----------------------------------
// Test fetch for non-existent content
layerURL, err := builder.buildLayerURL(imageName, layerDigest)
layerURL, err := builder.BuildBlobURL(imageName, layerDigest)
if err != nil {
t.Fatalf("error building url: %v", err)
}
@ -121,7 +121,7 @@ func TestLayerAPI(t *testing.T) {
// ------------------------------------------
// Upload a layer
layerUploadURL, err := builder.buildLayerUploadURL(imageName)
layerUploadURL, err := builder.BuildBlobUploadURL(imageName)
if err != nil {
t.Fatalf("error building upload url: %v", err)
}
@ -196,7 +196,7 @@ func TestManifestAPI(t *testing.T) {
app := NewApp(config)
server := httptest.NewServer(handlers.CombinedLoggingHandler(os.Stderr, app))
builder, err := newURLBuilderFromString(server.URL)
builder, err := v2.NewURLBuilderFromString(server.URL)
if err != nil {
t.Fatalf("unexpected error creating url builder: %v", err)
}
@ -204,7 +204,7 @@ func TestManifestAPI(t *testing.T) {
imageName := "foo/bar"
tag := "thetag"
manifestURL, err := builder.buildManifestURL(imageName, tag)
manifestURL, err := builder.BuildManifestURL(imageName, tag)
if err != nil {
t.Fatalf("unexpected error getting manifest url: %v", err)
}
@ -227,7 +227,7 @@ func TestManifestAPI(t *testing.T) {
// }
dec := json.NewDecoder(resp.Body)
var respErrs errors.Errors
var respErrs v2.Errors
if err := dec.Decode(&respErrs); err != nil {
t.Fatalf("unexpected error decoding error response: %v", err)
}
@ -236,11 +236,11 @@ func TestManifestAPI(t *testing.T) {
t.Fatalf("expected errors in response")
}
if respErrs.Errors[0].Code != errors.ErrorCodeManifestUnknown {
if respErrs.Errors[0].Code != v2.ErrorCodeManifestUnknown {
t.Fatalf("expected manifest unknown error: got %v", respErrs)
}
tagsURL, err := builder.buildTagsURL(imageName)
tagsURL, err := builder.BuildTagsURL(imageName)
if err != nil {
t.Fatalf("unexpected error building tags url: %v", err)
}
@ -262,7 +262,7 @@ func TestManifestAPI(t *testing.T) {
t.Fatalf("expected errors in response")
}
if respErrs.Errors[0].Code != errors.ErrorCodeNameUnknown {
if respErrs.Errors[0].Code != v2.ErrorCodeNameUnknown {
t.Fatalf("expected respository unknown error: got %v", respErrs)
}
@ -296,11 +296,11 @@ func TestManifestAPI(t *testing.T) {
for _, err := range respErrs.Errors {
switch err.Code {
case errors.ErrorCodeManifestUnverified:
case v2.ErrorCodeManifestUnverified:
unverified++
case errors.ErrorCodeBlobUnknown:
case v2.ErrorCodeBlobUnknown:
missingLayers++
case errors.ErrorCodeDigestInvalid:
case v2.ErrorCodeDigestInvalid:
// TODO(stevvooe): This error isn't quite descriptive enough --
// the layer with an invalid digest isn't identified.
invalidDigests++
@ -427,8 +427,8 @@ func putManifest(t *testing.T, msg, url string, v interface{}) *http.Response {
return resp
}
func startPushLayer(t *testing.T, ub *urlBuilder, name string) string {
layerUploadURL, err := ub.buildLayerUploadURL(name)
func startPushLayer(t *testing.T, ub *v2.URLBuilder, name string) string {
layerUploadURL, err := ub.BuildBlobUploadURL(name)
if err != nil {
t.Fatalf("unexpected error building layer upload url: %v", err)
}
@ -449,14 +449,21 @@ func startPushLayer(t *testing.T, ub *urlBuilder, name string) string {
}
// pushLayer pushes the layer content returning the url on success.
func pushLayer(t *testing.T, ub *urlBuilder, name string, dgst digest.Digest, uploadURLBase string, rs io.ReadSeeker) string {
func pushLayer(t *testing.T, ub *v2.URLBuilder, name string, dgst digest.Digest, uploadURLBase string, rs io.ReadSeeker) string {
rsLength, _ := rs.Seek(0, os.SEEK_END)
rs.Seek(0, os.SEEK_SET)
uploadURL := appendValues(uploadURLBase, url.Values{
u, err := url.Parse(uploadURLBase)
if err != nil {
t.Fatalf("unexpected error parsing pushLayer url: %v", err)
}
u.RawQuery = url.Values{
"digest": []string{dgst.String()},
"size": []string{fmt.Sprint(rsLength)},
})
}.Encode()
uploadURL := u.String()
// Just do a monolithic upload
req, err := http.NewRequest("PUT", uploadURL, rs)
@ -472,7 +479,7 @@ func pushLayer(t *testing.T, ub *urlBuilder, name string, dgst digest.Digest, up
checkResponse(t, "putting monolithic chunk", resp, http.StatusCreated)
expectedLayerURL, err := ub.buildLayerURL(name, dgst)
expectedLayerURL, err := ub.BuildBlobURL(name, dgst)
if err != nil {
t.Fatalf("error building expected layer url: %v", err)
}

17
app.go
View file

@ -4,6 +4,7 @@ import (
"fmt"
"net/http"
"github.com/docker/docker-registry/api/v2"
"github.com/docker/docker-registry/storagedriver"
"github.com/docker/docker-registry/storagedriver/factory"
@ -35,18 +36,18 @@ type App struct {
func NewApp(configuration configuration.Configuration) *App {
app := &App{
Config: configuration,
router: v2APIRouter(),
router: v2.Router(),
}
// Register the handler dispatchers.
app.register(routeNameBase, func(ctx *Context, r *http.Request) http.Handler {
app.register(v2.RouteNameBase, func(ctx *Context, r *http.Request) http.Handler {
return http.HandlerFunc(apiBase)
})
app.register(routeNameImageManifest, imageManifestDispatcher)
app.register(routeNameTags, tagsDispatcher)
app.register(routeNameBlob, layerDispatcher)
app.register(routeNameBlobUpload, layerUploadDispatcher)
app.register(routeNameBlobUploadResume, layerUploadDispatcher)
app.register(v2.RouteNameManifest, imageManifestDispatcher)
app.register(v2.RouteNameTags, tagsDispatcher)
app.register(v2.RouteNameBlob, layerDispatcher)
app.register(v2.RouteNameBlobUpload, layerUploadDispatcher)
app.register(v2.RouteNameBlobUploadChunk, layerUploadDispatcher)
driver, err := factory.Create(configuration.Storage.Type(), configuration.Storage.Parameters())
@ -114,7 +115,7 @@ func (app *App) dispatcher(dispatch dispatchFunc) http.Handler {
context := &Context{
App: app,
Name: vars["name"],
urlBuilder: newURLBuilderFromRequest(r),
urlBuilder: v2.NewURLBuilderFromRequest(r),
}
// Store vars for underlying handlers.

15
app_test.go
View file

@ -6,6 +6,7 @@ import (
"net/url"
"testing"
"github.com/docker/docker-registry/api/v2"
"github.com/docker/docker-registry/configuration"
)
@ -16,10 +17,10 @@ import (
func TestAppDispatcher(t *testing.T) {
app := &App{
Config: configuration.Configuration{},
router: v2APIRouter(),
router: v2.Router(),
}
server := httptest.NewServer(app)
router := v2APIRouter()
router := v2.Router()
serverURL, err := url.Parse(server.URL)
if err != nil {
@ -71,33 +72,33 @@ func TestAppDispatcher(t *testing.T) {
vars []string
}{
{
endpoint: routeNameImageManifest,
endpoint: v2.RouteNameManifest,
vars: []string{
"name", "foo/bar",
"tag", "sometag",
},
},
{
endpoint: routeNameTags,
endpoint: v2.RouteNameTags,
vars: []string{
"name", "foo/bar",
},
},
{
endpoint: routeNameBlob,
endpoint: v2.RouteNameBlob,
vars: []string{
"name", "foo/bar",
"digest", "tarsum.v1+bogus:abcdef0123456789",
},
},
{
endpoint: routeNameBlobUpload,
endpoint: v2.RouteNameBlobUpload,
vars: []string{
"name", "foo/bar",
},
},
{
endpoint: routeNameBlobUploadResume,
endpoint: v2.RouteNameBlobUploadChunk,
vars: []string{
"name", "foo/bar",
"uuid", "theuuid",

26
client/client.go
View file

@ -10,7 +10,7 @@ import (
"regexp"
"strconv"
"github.com/docker/docker-registry/api/errors"
"github.com/docker/docker-registry/api/v2"
"github.com/docker/docker-registry/digest"
"github.com/docker/docker-registry/storage"
)
@ -96,7 +96,7 @@ func (r *clientImpl) GetImageManifest(name, tag string) (*storage.SignedManifest
case response.StatusCode == http.StatusNotFound:
return nil, &ImageManifestNotFoundError{Name: name, Tag: tag}
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
@ -136,7 +136,7 @@ func (r *clientImpl) PutImageManifest(name, tag string, manifest *storage.Signed
case response.StatusCode == http.StatusOK:
return nil
case response.StatusCode >= 400 && response.StatusCode < 500:
var errors errors.Errors
var errors v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errors)
if err != nil {
@ -169,7 +169,7 @@ func (r *clientImpl) DeleteImage(name, tag string) error {
case response.StatusCode == http.StatusNotFound:
return &ImageManifestNotFoundError{Name: name, Tag: tag}
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {
@ -197,7 +197,7 @@ func (r *clientImpl) ListImageTags(name string) ([]string, error) {
case response.StatusCode == http.StatusNotFound:
return nil, &RepositoryNotFoundError{Name: name}
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {
@ -240,7 +240,7 @@ func (r *clientImpl) BlobLength(name string, dgst digest.Digest) (int, error) {
case response.StatusCode == http.StatusNotFound:
return -1, nil
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {
@ -279,7 +279,7 @@ func (r *clientImpl) GetBlob(name string, dgst digest.Digest, byteOffset int) (i
response.Body.Close()
return nil, 0, &BlobNotFoundError{Name: name, Digest: dgst}
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {
@ -312,7 +312,7 @@ func (r *clientImpl) InitiateBlobUpload(name string) (string, error) {
// case response.StatusCode == http.StatusNotFound:
// return
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {
@ -338,7 +338,7 @@ func (r *clientImpl) GetBlobUploadStatus(location string) (int, int, error) {
case response.StatusCode == http.StatusNotFound:
return 0, 0, &BlobUploadNotFoundError{Location: location}
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {
@ -379,7 +379,7 @@ func (r *clientImpl) UploadBlob(location string, blob io.ReadCloser, length int,
case response.StatusCode == http.StatusNotFound:
return &BlobUploadNotFoundError{Location: location}
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {
@ -430,7 +430,7 @@ func (r *clientImpl) UploadBlobChunk(location string, blobChunk io.ReadCloser, l
case response.StatusCode == http.StatusNotFound:
return &BlobUploadNotFoundError{Location: location}
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {
@ -472,7 +472,7 @@ func (r *clientImpl) FinishChunkedBlobUpload(location string, length int, dgst d
case response.StatusCode == http.StatusNotFound:
return &BlobUploadNotFoundError{Location: location}
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {
@ -504,7 +504,7 @@ func (r *clientImpl) CancelBlobUpload(location string) error {
case response.StatusCode == http.StatusNotFound:
return &BlobUploadNotFoundError{Location: location}
case response.StatusCode >= 400 && response.StatusCode < 500:
var errs errors.Errors
var errs v2.Errors
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&errs)
if err != nil {

5
client/objectstore.go
View file

@ -2,7 +2,6 @@ package client
import (
"bytes"
"errors"
"fmt"
"io"
"sync"
@ -14,11 +13,11 @@ import (
var (
// ErrLayerAlreadyExists is returned when attempting to create a layer with
// a tarsum that is already in use.
ErrLayerAlreadyExists = errors.New("Layer already exists")
ErrLayerAlreadyExists = fmt.Errorf("Layer already exists")
// ErrLayerLocked is returned when attempting to write to a layer which is
// currently being written to.
ErrLayerLocked = errors.New("Layer locked")
ErrLayerLocked = fmt.Errorf("Layer locked")
)
// ObjectStore is an interface which is designed to approximate the docker

7
client/push.go
View file

@ -1,11 +1,10 @@
package client
import (
"errors"
"github.com/docker/docker-registry/storage"
"fmt"
log "github.com/Sirupsen/logrus"
"github.com/docker/docker-registry/storage"
)
// simultaneousLayerPushWindow is the size of the parallel layer push window.
@ -100,7 +99,7 @@ func pushLayer(c Client, objectStore ObjectStore, name string, fsLayer storage.F
"currentSize": layerReader.CurrentSize(),
"size": layerReader.Size(),
}).Warn("Local layer incomplete")
return errors.New("Local layer incomplete")
return fmt.Errorf("Local layer incomplete")
}
length, err := c.BlobLength(name, fsLayer.BlobSum)

6
cmd/registry-api-doctable-gen/main.go
View file

@ -17,7 +17,7 @@ import (
"strings"
"text/tabwriter"
"github.com/docker/docker-registry/api/errors"
"github.com/docker/docker-registry/api/v2"
)
func main() {
@ -40,7 +40,7 @@ func dumpErrors(wr io.Writer) {
defer writer.Flush()
fmt.Fprint(writer, "|")
dtype := reflect.TypeOf(errors.ErrorDescriptor{})
dtype := reflect.TypeOf(v2.ErrorDescriptor{})
var fieldsPrinted int
for i := 0; i < dtype.NumField(); i++ {
field := dtype.Field(i)
@ -61,7 +61,7 @@ func dumpErrors(wr io.Writer) {
fmt.Fprintln(writer, "\n"+divider)
for _, descriptor := range errors.Descriptors {
for _, descriptor := range v2.ErrorDescriptors {
fmt.Fprint(writer, "|")
v := reflect.ValueOf(descriptor)

6
context.go
View file

@ -2,7 +2,7 @@ package registry
import (
"github.com/Sirupsen/logrus"
"github.com/docker/docker-registry/api/errors"
"github.com/docker/docker-registry/api/v2"
)
// Context should contain the request specific context for use in across
@ -19,7 +19,7 @@ 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 errors.Errors
Errors v2.Errors
// vars contains the extracted gorilla/mux variables that can be used for
// assignment.
@ -28,5 +28,5 @@ type Context struct {
// log provides a context specific logger.
log *logrus.Entry
urlBuilder *urlBuilder
urlBuilder *v2.URLBuilder
}

16
images.go
View file

@ -5,7 +5,7 @@ import (
"fmt"
"net/http"
"github.com/docker/docker-registry/api/errors"
"github.com/docker/docker-registry/api/v2"
"github.com/docker/docker-registry/digest"
"github.com/docker/docker-registry/storage"
"github.com/gorilla/handlers"
@ -41,7 +41,7 @@ func (imh *imageManifestHandler) GetImageManifest(w http.ResponseWriter, r *http
manifest, err := manifests.Get(imh.Name, imh.Tag)
if err != nil {
imh.Errors.Push(errors.ErrorCodeManifestUnknown, err)
imh.Errors.Push(v2.ErrorCodeManifestUnknown, err)
w.WriteHeader(http.StatusNotFound)
return
}
@ -58,7 +58,7 @@ func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http
var manifest storage.SignedManifest
if err := dec.Decode(&manifest); err != nil {
imh.Errors.Push(errors.ErrorCodeManifestInvalid, err)
imh.Errors.Push(v2.ErrorCodeManifestInvalid, err)
w.WriteHeader(http.StatusBadRequest)
return
}
@ -71,14 +71,14 @@ func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http
for _, verificationError := range err {
switch verificationError := verificationError.(type) {
case storage.ErrUnknownLayer:
imh.Errors.Push(errors.ErrorCodeBlobUnknown, verificationError.FSLayer)
imh.Errors.Push(v2.ErrorCodeBlobUnknown, verificationError.FSLayer)
case storage.ErrManifestUnverified:
imh.Errors.Push(errors.ErrorCodeManifestUnverified)
imh.Errors.Push(v2.ErrorCodeManifestUnverified)
default:
if verificationError == digest.ErrDigestInvalidFormat {
// TODO(stevvooe): We need to really need to move all
// errors to types. Its much more straightforward.
imh.Errors.Push(errors.ErrorCodeDigestInvalid)
imh.Errors.Push(v2.ErrorCodeDigestInvalid)
} else {
imh.Errors.PushErr(verificationError)
}
@ -99,10 +99,10 @@ func (imh *imageManifestHandler) DeleteImageManifest(w http.ResponseWriter, r *h
if err := manifests.Delete(imh.Name, imh.Tag); err != nil {
switch err := err.(type) {
case storage.ErrUnknownManifest:
imh.Errors.Push(errors.ErrorCodeManifestUnknown, err)
imh.Errors.Push(v2.ErrorCodeManifestUnknown, err)
w.WriteHeader(http.StatusNotFound)
default:
imh.Errors.Push(errors.ErrorCodeUnknown, err)
imh.Errors.Push(v2.ErrorCodeUnknown, err)
w.WriteHeader(http.StatusBadRequest)
}
return

8
layer.go
View file

@ -3,7 +3,7 @@ package registry
import (
"net/http"
"github.com/docker/docker-registry/api/errors"
"github.com/docker/docker-registry/api/v2"
"github.com/docker/docker-registry/digest"
"github.com/docker/docker-registry/storage"
"github.com/gorilla/handlers"
@ -15,7 +15,7 @@ func layerDispatcher(ctx *Context, r *http.Request) http.Handler {
if err != nil {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx.Errors.Push(errors.ErrorCodeDigestInvalid, err)
ctx.Errors.Push(v2.ErrorCodeDigestInvalid, err)
})
}
@ -50,9 +50,9 @@ func (lh *layerHandler) GetLayer(w http.ResponseWriter, r *http.Request) {
switch err := err.(type) {
case storage.ErrUnknownLayer:
w.WriteHeader(http.StatusNotFound)
lh.Errors.Push(errors.ErrorCodeBlobUnknown, err.FSLayer)
lh.Errors.Push(v2.ErrorCodeBlobUnknown, err.FSLayer)
default:
lh.Errors.Push(errors.ErrorCodeUnknown, err)
lh.Errors.Push(v2.ErrorCodeUnknown, err)
}
return
}

28
layerupload.go
View file

@ -7,7 +7,7 @@ import (
"strconv"
"github.com/Sirupsen/logrus"
"github.com/docker/docker-registry/api/errors"
"github.com/docker/docker-registry/api/v2"
"github.com/docker/docker-registry/digest"
"github.com/docker/docker-registry/storage"
"github.com/gorilla/handlers"
@ -39,7 +39,7 @@ func layerUploadDispatcher(ctx *Context, r *http.Request) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
logrus.Infof("error resolving upload: %v", err)
w.WriteHeader(http.StatusInternalServerError)
luh.Errors.Push(errors.ErrorCodeUnknown, err)
luh.Errors.Push(v2.ErrorCodeUnknown, err)
})
}
@ -67,7 +67,7 @@ func (luh *layerUploadHandler) StartLayerUpload(w http.ResponseWriter, r *http.R
upload, err := layers.Upload(luh.Name)
if err != nil {
w.WriteHeader(http.StatusInternalServerError) // Error conditions here?
luh.Errors.Push(errors.ErrorCodeUnknown, err)
luh.Errors.Push(v2.ErrorCodeUnknown, err)
return
}
@ -76,7 +76,7 @@ func (luh *layerUploadHandler) StartLayerUpload(w http.ResponseWriter, r *http.R
if err := luh.layerUploadResponse(w, r); err != nil {
w.WriteHeader(http.StatusInternalServerError) // Error conditions here?
luh.Errors.Push(errors.ErrorCodeUnknown, err)
luh.Errors.Push(v2.ErrorCodeUnknown, err)
return
}
w.WriteHeader(http.StatusAccepted)
@ -86,12 +86,12 @@ func (luh *layerUploadHandler) StartLayerUpload(w http.ResponseWriter, r *http.R
func (luh *layerUploadHandler) GetUploadStatus(w http.ResponseWriter, r *http.Request) {
if luh.Upload == nil {
w.WriteHeader(http.StatusNotFound)
luh.Errors.Push(errors.ErrorCodeBlobUploadUnknown)
luh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
}
if err := luh.layerUploadResponse(w, r); err != nil {
w.WriteHeader(http.StatusInternalServerError) // Error conditions here?
luh.Errors.Push(errors.ErrorCodeUnknown, err)
luh.Errors.Push(v2.ErrorCodeUnknown, err)
return
}
@ -103,7 +103,7 @@ func (luh *layerUploadHandler) GetUploadStatus(w http.ResponseWriter, r *http.Re
func (luh *layerUploadHandler) PutLayerChunk(w http.ResponseWriter, r *http.Request) {
if luh.Upload == nil {
w.WriteHeader(http.StatusNotFound)
luh.Errors.Push(errors.ErrorCodeBlobUploadUnknown)
luh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
}
var finished bool
@ -120,14 +120,14 @@ func (luh *layerUploadHandler) PutLayerChunk(w http.ResponseWriter, r *http.Requ
if err := luh.maybeCompleteUpload(w, r); err != nil {
if err != errNotReadyToComplete {
w.WriteHeader(http.StatusInternalServerError)
luh.Errors.Push(errors.ErrorCodeUnknown, err)
luh.Errors.Push(v2.ErrorCodeUnknown, err)
return
}
}
if err := luh.layerUploadResponse(w, r); err != nil {
w.WriteHeader(http.StatusInternalServerError) // Error conditions here?
luh.Errors.Push(errors.ErrorCodeUnknown, err)
luh.Errors.Push(v2.ErrorCodeUnknown, err)
return
}
@ -142,7 +142,7 @@ func (luh *layerUploadHandler) PutLayerChunk(w http.ResponseWriter, r *http.Requ
func (luh *layerUploadHandler) CancelLayerUpload(w http.ResponseWriter, r *http.Request) {
if luh.Upload == nil {
w.WriteHeader(http.StatusNotFound)
luh.Errors.Push(errors.ErrorCodeBlobUploadUnknown)
luh.Errors.Push(v2.ErrorCodeBlobUploadUnknown)
}
}
@ -151,7 +151,7 @@ func (luh *layerUploadHandler) CancelLayerUpload(w http.ResponseWriter, r *http.
// chunk responses. This sets the correct headers but the response status is
// left to the caller.
func (luh *layerUploadHandler) layerUploadResponse(w http.ResponseWriter, r *http.Request) error {
uploadURL, err := luh.urlBuilder.forLayerUpload(luh.Upload)
uploadURL, err := luh.urlBuilder.BuildBlobUploadChunkURL(luh.Upload.Name(), luh.Upload.UUID())
if err != nil {
logrus.Infof("error building upload url: %s", err)
return err
@ -195,14 +195,14 @@ func (luh *layerUploadHandler) maybeCompleteUpload(w http.ResponseWriter, r *htt
func (luh *layerUploadHandler) completeUpload(w http.ResponseWriter, r *http.Request, size int64, dgst digest.Digest) {
layer, err := luh.Upload.Finish(size, dgst)
if err != nil {
luh.Errors.Push(errors.ErrorCodeUnknown, err)
luh.Errors.Push(v2.ErrorCodeUnknown, err)
w.WriteHeader(http.StatusInternalServerError)
return
}
layerURL, err := luh.urlBuilder.forLayer(layer)
layerURL, err := luh.urlBuilder.BuildBlobURL(layer.Name(), layer.Digest())
if err != nil {
luh.Errors.Push(errors.ErrorCodeUnknown, err)
luh.Errors.Push(v2.ErrorCodeUnknown, err)
w.WriteHeader(http.StatusInternalServerError)
return
}

4
tags.go
View file

@ -4,7 +4,7 @@ import (
"encoding/json"
"net/http"
"github.com/docker/docker-registry/api/errors"
"github.com/docker/docker-registry/api/v2"
"github.com/docker/docker-registry/storage"
"github.com/gorilla/handlers"
)
@ -40,7 +40,7 @@ func (th *tagsHandler) GetTags(w http.ResponseWriter, r *http.Request) {
switch err := err.(type) {
case storage.ErrUnknownRepository:
w.WriteHeader(404)
th.Errors.Push(errors.ErrorCodeNameUnknown, map[string]string{"name": th.Name})
th.Errors.Push(v2.ErrorCodeNameUnknown, map[string]string{"name": th.Name})
default:
th.Errors.PushErr(err)
}

169
urls.go
View file

@ -1,169 +0,0 @@
package registry
import (
"net/http"
"net/url"
"github.com/docker/docker-registry/digest"
"github.com/docker/docker-registry/storage"
"github.com/gorilla/mux"
)
type urlBuilder struct {
url *url.URL // url root (ie http://localhost/)
router *mux.Router
}
func newURLBuilder(root *url.URL) *urlBuilder {
return &urlBuilder{
url: root,
router: v2APIRouter(),
}
}
func newURLBuilderFromRequest(r *http.Request) *urlBuilder {
u := &url.URL{
Scheme: r.URL.Scheme,
Host: r.Host,
}
return newURLBuilder(u)
}
func newURLBuilderFromString(root string) (*urlBuilder, error) {
u, err := url.Parse(root)
if err != nil {
return nil, err
}
return newURLBuilder(u), nil
}
func (ub *urlBuilder) buildBaseURL() (string, error) {
route := clonedRoute(ub.router, routeNameBase)
baseURL, err := route.
Schemes(ub.url.Scheme).
Host(ub.url.Host).
URL()
if err != nil {
return "", err
}
return baseURL.String(), nil
}
func (ub *urlBuilder) buildTagsURL(name string) (string, error) {
route := clonedRoute(ub.router, routeNameTags)
tagsURL, err := route.
Schemes(ub.url.Scheme).
Host(ub.url.Host).
URL("name", name)
if err != nil {
return "", err
}
return tagsURL.String(), nil
}
func (ub *urlBuilder) forManifest(m *storage.Manifest) (string, error) {
return ub.buildManifestURL(m.Name, m.Tag)
}
func (ub *urlBuilder) buildManifestURL(name, tag string) (string, error) {
route := clonedRoute(ub.router, routeNameImageManifest)
manifestURL, err := route.
Schemes(ub.url.Scheme).
Host(ub.url.Host).
URL("name", name, "tag", tag)
if err != nil {
return "", err
}
return manifestURL.String(), nil
}
func (ub *urlBuilder) forLayer(l storage.Layer) (string, error) {
return ub.buildLayerURL(l.Name(), l.Digest())
}
func (ub *urlBuilder) buildLayerURL(name string, dgst digest.Digest) (string, error) {
route := clonedRoute(ub.router, routeNameBlob)
layerURL, err := route.
Schemes(ub.url.Scheme).
Host(ub.url.Host).
URL("name", name, "digest", dgst.String())
if err != nil {
return "", err
}
return layerURL.String(), nil
}
func (ub *urlBuilder) buildLayerUploadURL(name string) (string, error) {
route := clonedRoute(ub.router, routeNameBlobUpload)
uploadURL, err := route.
Schemes(ub.url.Scheme).
Host(ub.url.Host).
URL("name", name)
if err != nil {
return "", err
}
return uploadURL.String(), nil
}
func (ub *urlBuilder) forLayerUpload(layerUpload storage.LayerUpload) (string, error) {
return ub.buildLayerUploadResumeURL(layerUpload.Name(), layerUpload.UUID())
}
func (ub *urlBuilder) buildLayerUploadResumeURL(name, uuid string, values ...url.Values) (string, error) {
route := clonedRoute(ub.router, routeNameBlobUploadResume)
uploadURL, err := route.
Schemes(ub.url.Scheme).
Host(ub.url.Host).
URL("name", name, "uuid", uuid)
if err != nil {
return "", err
}
return appendValuesURL(uploadURL, values...).String(), nil
}
// appendValuesURL appends the parameters to the url.
func appendValuesURL(u *url.URL, values ...url.Values) *url.URL {
merged := u.Query()
for _, v := range values {
for k, vv := range v {
merged[k] = append(merged[k], vv...)
}
}
u.RawQuery = merged.Encode()
return u
}
// appendValues appends the parameters to the url. Panics if the string is not
// a url.
func appendValues(u string, values ...url.Values) string {
up, err := url.Parse(u)
if err != nil {
panic(err) // should never happen
}
return appendValuesURL(up, values...).String()
}
// clondedRoute returns a clone of the named route from the router.
func clonedRoute(router *mux.Router, name string) *mux.Route {
route := new(mux.Route)
*route = *router.GetRoute(name) // clone the route
return route
}