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/client-go/tools/cache/index.go b/metrics-server/vendor/k8s.io/client-go/tools/cache/index.go
new file mode 100644
index 0000000..15acb16
--- /dev/null
+++ b/metrics-server/vendor/k8s.io/client-go/tools/cache/index.go
@@ -0,0 +1,87 @@
+/*
+Copyright 2014 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 cache
+
+import (
+ "fmt"
+
+ "k8s.io/apimachinery/pkg/api/meta"
+ "k8s.io/apimachinery/pkg/util/sets"
+)
+
+// Indexer is a storage interface that lets you list objects using multiple indexing functions
+type Indexer interface {
+ Store
+ // Retrieve list of objects that match on the named indexing function
+ Index(indexName string, obj interface{}) ([]interface{}, error)
+ // IndexKeys returns the set of keys that match on the named indexing function.
+ IndexKeys(indexName, indexKey string) ([]string, error)
+ // ListIndexFuncValues returns the list of generated values of an Index func
+ ListIndexFuncValues(indexName string) []string
+ // ByIndex lists object that match on the named indexing function with the exact key
+ ByIndex(indexName, indexKey string) ([]interface{}, error)
+ // GetIndexer return the indexers
+ GetIndexers() Indexers
+
+ // AddIndexers adds more indexers to this store. If you call this after you already have data
+ // in the store, the results are undefined.
+ AddIndexers(newIndexers Indexers) error
+}
+
+// IndexFunc knows how to provide an indexed value for an object.
+type IndexFunc func(obj interface{}) ([]string, error)
+
+// IndexFuncToKeyFuncAdapter adapts an indexFunc to a keyFunc. This is only useful if your index function returns
+// unique values for every object. This is conversion can create errors when more than one key is found. You
+// should prefer to make proper key and index functions.
+func IndexFuncToKeyFuncAdapter(indexFunc IndexFunc) KeyFunc {
+ return func(obj interface{}) (string, error) {
+ indexKeys, err := indexFunc(obj)
+ if err != nil {
+ return "", err
+ }
+ if len(indexKeys) > 1 {
+ return "", fmt.Errorf("too many keys: %v", indexKeys)
+ }
+ if len(indexKeys) == 0 {
+ return "", fmt.Errorf("unexpected empty indexKeys")
+ }
+ return indexKeys[0], nil
+ }
+}
+
+const (
+ NamespaceIndex string = "namespace"
+)
+
+// MetaNamespaceIndexFunc is a default index function that indexes based on an object's namespace
+func MetaNamespaceIndexFunc(obj interface{}) ([]string, error) {
+ meta, err := meta.Accessor(obj)
+ if err != nil {
+ return []string{""}, fmt.Errorf("object has no meta: %v", err)
+ }
+ return []string{meta.GetNamespace()}, nil
+}
+
+// Index maps the indexed value to a set of keys in the store that match on that value
+type Index map[string]sets.String
+
+// Indexers maps a name to a IndexFunc
+type Indexers map[string]IndexFunc
+
+// Indices maps a name to an Index
+type Indices map[string]Index