Fresh dep ensure

vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go

@@ -22,7 +22,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang/glog"
+	"k8s.io/klog"
 )
 
 var (
@@ -63,7 +63,11 @@ func HandleCrash(additionalHandlers ...func(interface{})) {
 // logPanic logs the caller tree when a panic occurs.
 func logPanic(r interface{}) {
 	callers := getCallers(r)
-	glog.Errorf("Observed a panic: %#v (%v)\n%v", r, r, callers)
+	if _, ok := r.(string); ok {
+		klog.Errorf("Observed a panic: %s\n%v", r, callers)
+	} else {
+		klog.Errorf("Observed a panic: %#v (%v)\n%v", r, r, callers)
+	}
 }
 
 func getCallers(r interface{}) string {
@@ -111,7 +115,7 @@ func HandleError(err error) {
 
 // logError prints an error with the call stack of the location it was reported
 func logError(err error) {
-	glog.ErrorDepth(2, err)
+	klog.ErrorDepth(2, err)
 }
 
 type rudimentaryErrorBackoff struct {
@@ -128,9 +132,8 @@ func (r *rudimentaryErrorBackoff) OnError(error) {
 	r.lastErrorTimeLock.Lock()
 	defer r.lastErrorTimeLock.Unlock()
 	d := time.Since(r.lastErrorTime)
-	if d < r.minPeriod && d >= 0 {
+	if d < r.minPeriod {
 		// If the time moves backwards for any reason, do nothing
-		// TODO: remove check "d >= 0" after go 1.8 is no longer supported
 		time.Sleep(r.minPeriod - d)
 	}
 	r.lastErrorTime = time.Now()
@@ -161,3 +164,10 @@ func RecoverFromPanic(err *error) {
 			callers)
 	}
 }
+
+// Must panics on non-nil errors.  Useful to handling programmer level errors.
+func Must(err error) {
+	if err != nil {
+		panic(err)
+	}
+}