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/audit/union.go b/metrics-server/vendor/k8s.io/apiserver/pkg/audit/union.go
new file mode 100644
index 0000000..6ee4415
--- /dev/null
+++ b/metrics-server/vendor/k8s.io/apiserver/pkg/audit/union.go
@@ -0,0 +1,68 @@
+/*
+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 audit
+
+import (
+ "fmt"
+ "strings"
+
+ "k8s.io/apimachinery/pkg/util/errors"
+ auditinternal "k8s.io/apiserver/pkg/apis/audit"
+)
+
+// Union returns an audit Backend which logs events to a set of backends. The returned
+// Sink implementation blocks in turn for each call to ProcessEvents.
+func Union(backends ...Backend) Backend {
+ if len(backends) == 1 {
+ return backends[0]
+ }
+ return union{backends}
+}
+
+type union struct {
+ backends []Backend
+}
+
+func (u union) ProcessEvents(events ...*auditinternal.Event) {
+ for _, backend := range u.backends {
+ backend.ProcessEvents(events...)
+ }
+}
+
+func (u union) Run(stopCh <-chan struct{}) error {
+ var funcs []func() error
+ for _, backend := range u.backends {
+ funcs = append(funcs, func() error {
+ return backend.Run(stopCh)
+ })
+ }
+ return errors.AggregateGoroutines(funcs...)
+}
+
+func (u union) Shutdown() {
+ for _, backend := range u.backends {
+ backend.Shutdown()
+ }
+}
+
+func (u union) String() string {
+ var backendStrings []string
+ for _, backend := range u.backends {
+ backendStrings = append(backendStrings, fmt.Sprintf("%s", backend))
+ }
+ return fmt.Sprintf("union[%s]", strings.Join(backendStrings, ","))
+}