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/server/signal.go b/metrics-server/vendor/k8s.io/apiserver/pkg/server/signal.go
new file mode 100644
index 0000000..1cd8cef
--- /dev/null
+++ b/metrics-server/vendor/k8s.io/apiserver/pkg/server/signal.go
@@ -0,0 +1,43 @@
+/*
+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 server
+
+import (
+ "os"
+ "os/signal"
+)
+
+var onlyOneSignalHandler = make(chan struct{})
+
+// SetupSignalHandler registered for SIGTERM and SIGINT. A stop channel is returned
+// which is closed on one of these signals. If a second signal is caught, the program
+// is terminated with exit code 1.
+func SetupSignalHandler() (stopCh <-chan struct{}) {
+ close(onlyOneSignalHandler) // panics when called twice
+
+ stop := make(chan struct{})
+ c := make(chan os.Signal, 2)
+ signal.Notify(c, shutdownSignals...)
+ go func() {
+ <-c
+ close(stop)
+ <-c
+ os.Exit(1) // second signal. Exit directly.
+ }()
+
+ return stop
+}