git subrepo clone (merge) https://github.com/kubernetes-incubator/metrics-server.git metrics-server
subrepo:
subdir: "metrics-server"
merged: "92d8412"
upstream:
origin: "https://github.com/kubernetes-incubator/metrics-server.git"
branch: "master"
commit: "92d8412"
git-subrepo:
version: "0.4.0"
origin: "???"
commit: "???"
diff --git a/metrics-server/vendor/k8s.io/apiserver/pkg/endpoints/handlers/namer.go b/metrics-server/vendor/k8s.io/apiserver/pkg/endpoints/handlers/namer.go
new file mode 100644
index 0000000..16b4199
--- /dev/null
+++ b/metrics-server/vendor/k8s.io/apiserver/pkg/endpoints/handlers/namer.go
@@ -0,0 +1,135 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package handlers
+
+import (
+ "fmt"
+ "net/http"
+ "net/url"
+
+ "k8s.io/apimachinery/pkg/api/errors"
+ "k8s.io/apimachinery/pkg/runtime"
+ "k8s.io/apiserver/pkg/endpoints/request"
+)
+
+// ScopeNamer handles accessing names from requests and objects
+type ScopeNamer interface {
+ // Namespace returns the appropriate namespace value from the request (may be empty) or an
+ // error.
+ Namespace(req *http.Request) (namespace string, err error)
+ // Name returns the name from the request, and an optional namespace value if this is a namespace
+ // scoped call. An error is returned if the name is not available.
+ Name(req *http.Request) (namespace, name string, err error)
+ // ObjectName returns the namespace and name from an object if they exist, or an error if the object
+ // does not support names.
+ ObjectName(obj runtime.Object) (namespace, name string, err error)
+ // SetSelfLink sets the provided URL onto the object. The method should return nil if the object
+ // does not support selfLinks.
+ SetSelfLink(obj runtime.Object, url string) error
+ // GenerateLink creates an encoded URI for a given runtime object that represents the canonical path
+ // and query.
+ GenerateLink(requestInfo *request.RequestInfo, obj runtime.Object) (uri string, err error)
+ // GenerateListLink creates an encoded URI for a list that represents the canonical path and query.
+ GenerateListLink(req *http.Request) (uri string, err error)
+}
+
+type ContextBasedNaming struct {
+ SelfLinker runtime.SelfLinker
+ ClusterScoped bool
+
+ SelfLinkPathPrefix string
+ SelfLinkPathSuffix string
+}
+
+// ContextBasedNaming implements ScopeNamer
+var _ ScopeNamer = ContextBasedNaming{}
+
+func (n ContextBasedNaming) SetSelfLink(obj runtime.Object, url string) error {
+ return n.SelfLinker.SetSelfLink(obj, url)
+}
+
+func (n ContextBasedNaming) Namespace(req *http.Request) (namespace string, err error) {
+ requestInfo, ok := request.RequestInfoFrom(req.Context())
+ if !ok {
+ return "", fmt.Errorf("missing requestInfo")
+ }
+ return requestInfo.Namespace, nil
+}
+
+func (n ContextBasedNaming) Name(req *http.Request) (namespace, name string, err error) {
+ requestInfo, ok := request.RequestInfoFrom(req.Context())
+ if !ok {
+ return "", "", fmt.Errorf("missing requestInfo")
+ }
+ ns, err := n.Namespace(req)
+ if err != nil {
+ return "", "", err
+ }
+
+ if len(requestInfo.Name) == 0 {
+ return "", "", errEmptyName
+ }
+ return ns, requestInfo.Name, nil
+}
+
+func (n ContextBasedNaming) GenerateLink(requestInfo *request.RequestInfo, obj runtime.Object) (uri string, err error) {
+ namespace, name, err := n.ObjectName(obj)
+ if err == errEmptyName && len(requestInfo.Name) > 0 {
+ name = requestInfo.Name
+ } else if err != nil {
+ return "", err
+ }
+ if len(namespace) == 0 && len(requestInfo.Namespace) > 0 {
+ namespace = requestInfo.Namespace
+ }
+
+ if n.ClusterScoped {
+ return n.SelfLinkPathPrefix + url.QueryEscape(name) + n.SelfLinkPathSuffix, nil
+ }
+
+ return n.SelfLinkPathPrefix +
+ url.QueryEscape(namespace) +
+ "/" + url.QueryEscape(requestInfo.Resource) + "/" +
+ url.QueryEscape(name) +
+ n.SelfLinkPathSuffix,
+ nil
+}
+
+func (n ContextBasedNaming) GenerateListLink(req *http.Request) (uri string, err error) {
+ if len(req.URL.RawPath) > 0 {
+ return req.URL.RawPath, nil
+ }
+ return req.URL.EscapedPath(), nil
+}
+
+func (n ContextBasedNaming) ObjectName(obj runtime.Object) (namespace, name string, err error) {
+ name, err = n.SelfLinker.Name(obj)
+ if err != nil {
+ return "", "", err
+ }
+ if len(name) == 0 {
+ return "", "", errEmptyName
+ }
+ namespace, err = n.SelfLinker.Namespace(obj)
+ if err != nil {
+ return "", "", err
+ }
+ return namespace, name, err
+}
+
+// errEmptyName is returned when API requests do not fill the name section of the path.
+var errEmptyName = errors.NewBadRequest("name must be provided")