distribution/registry/api/v2/routes.go

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package v2
import (
"sync"
"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"
RouteNameManifest = "manifest"
RouteNameTags = "tags"
RouteNameBlob = "blob"
RouteNameBlobUpload = "blob-upload"
RouteNameBlobUploadChunk = "blob-upload-chunk"
RouteNameCatalog = "catalog"
)
var (
baseRouter *mux.Router
createBaseRouterOnce sync.Once
)
// 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 {
createBaseRouterOnce.Do(func() {
baseRouter = RouterWithPrefix("")
})
return baseRouter
}
// RouterWithPrefix builds a gorilla router with a configured prefix
// on all routes.
func RouterWithPrefix(prefix string) *mux.Router {
rootRouter := mux.NewRouter()
router := rootRouter
if prefix != "" {
router = router.PathPrefix(prefix).Subrouter()
}
router.StrictSlash(true)
for _, descriptor := range routeDescriptors {
router.Path(descriptor.Path).Name(descriptor.Name)
}
return rootRouter
}