Fresh dep ensure

vendor/k8s.io/apimachinery/pkg/watch/watch.go

@@ -20,7 +20,7 @@ import (
 	"fmt"
 	"sync"
 
-	"github.com/golang/glog"
+	"k8s.io/klog"
 
 	"k8s.io/apimachinery/pkg/runtime"
 )
@@ -106,7 +106,7 @@ func (f *FakeWatcher) Stop() {
 	f.Lock()
 	defer f.Unlock()
 	if !f.Stopped {
-		glog.V(4).Infof("Stopping fake watcher.")
+		klog.V(4).Infof("Stopping fake watcher.")
 		close(f.result)
 		f.Stopped = true
 	}
@@ -173,7 +173,7 @@ func (f *RaceFreeFakeWatcher) Stop() {
 	f.Lock()
 	defer f.Unlock()
 	if !f.Stopped {
-		glog.V(4).Infof("Stopping fake watcher.")
+		klog.V(4).Infof("Stopping fake watcher.")
 		close(f.result)
 		f.Stopped = true
 	}
@@ -268,3 +268,50 @@ func (f *RaceFreeFakeWatcher) Action(action EventType, obj runtime.Object) {
 		}
 	}
 }
+
+// ProxyWatcher lets you wrap your channel in watch Interface. Threadsafe.
+type ProxyWatcher struct {
+	result chan Event
+	stopCh chan struct{}
+
+	mutex   sync.Mutex
+	stopped bool
+}
+
+var _ Interface = &ProxyWatcher{}
+
+// NewProxyWatcher creates new ProxyWatcher by wrapping a channel
+func NewProxyWatcher(ch chan Event) *ProxyWatcher {
+	return &ProxyWatcher{
+		result:  ch,
+		stopCh:  make(chan struct{}),
+		stopped: false,
+	}
+}
+
+// Stop implements Interface
+func (pw *ProxyWatcher) Stop() {
+	pw.mutex.Lock()
+	defer pw.mutex.Unlock()
+	if !pw.stopped {
+		pw.stopped = true
+		close(pw.stopCh)
+	}
+}
+
+// Stopping returns true if Stop() has been called
+func (pw *ProxyWatcher) Stopping() bool {
+	pw.mutex.Lock()
+	defer pw.mutex.Unlock()
+	return pw.stopped
+}
+
+// ResultChan implements Interface
+func (pw *ProxyWatcher) ResultChan() <-chan Event {
+	return pw.result
+}
+
+// StopChan returns stop channel
+func (pw *ProxyWatcher) StopChan() <-chan struct{} {
+	return pw.stopCh
+}