Bumping k8s dependencies to 1.13

vendor/k8s.io/klog/examples/coexist_glog/coexist_glog.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"flag"
+	"github.com/golang/glog"
+	"k8s.io/klog"
+)
+
+type glogWriter struct{}
+
+func (file *glogWriter) Write(data []byte) (n int, err error) {
+	glog.InfoDepth(0, string(data))
+	return len(data), nil
+}
+
+func main() {
+	flag.Set("alsologtostderr", "true")
+
+	var flags flag.FlagSet
+	klog.InitFlags(&flags)
+	flags.Set("skip_headers", "true")
+	flag.Parse()
+
+	klog.SetOutput(&glogWriter{})
+	klog.Info("nice to meet you")
+	glog.Flush()
+	klog.Flush()
+}

vendor/k8s.io/klog/examples/log_file/usage_log_file.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"flag"
+	"k8s.io/klog"
+)
+
+func main() {
+	klog.InitFlags(nil)
+	flag.Set("log_file", "myfile.log")
+	flag.Parse()
+	klog.Info("nice to meet you")
+	klog.Flush()
+}

vendor/k8s.io/klog/examples/set_output/usage_set_output.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"bytes"
+	"flag"
+	"fmt"
+	"k8s.io/klog"
+)
+
+func main() {
+	klog.InitFlags(nil)
+	flag.Set("logtostderr", "false")
+	flag.Set("alsologtostderr", "false")
+	flag.Parse()
+
+	buf := new(bytes.Buffer)
+	klog.SetOutput(buf)
+	klog.Info("nice to meet you")
+	klog.Flush()
+
+	fmt.Printf("LOGGED: %s", buf.String())
+}