Allow setting content-type in binaries

plugin/cmd/kube-scheduler/app/options/options.go

@@ -63,6 +63,7 @@ func (s *SchedulerServer) AddFlags(fs *pflag.FlagSet) {
 	var unusedBindPodsBurst int
 	fs.IntVar(&unusedBindPodsBurst, "bind-pods-burst", 0, "unused, use --kube-api-burst")
 	fs.MarkDeprecated("bind-pods-burst", "flag is unused and will be removed. Use kube-api-burst instead.")
+	fs.StringVar(&s.ContentType, "kube-api-content-type", s.ContentType, "ContentType of requests sent to apiserver. Passing application/vnd.kubernetes.protobuf is an experimental feature now.")
 	fs.Float32Var(&s.KubeAPIQPS, "kube-api-qps", s.KubeAPIQPS, "QPS to use while talking with kubernetes apiserver")
 	fs.IntVar(&s.KubeAPIBurst, "kube-api-burst", s.KubeAPIBurst, "Burst to use while talking with kubernetes apiserver")
 	fs.StringVar(&s.SchedulerName, "scheduler-name", s.SchedulerName, "Name of the scheduler, used to select which pods will be processed by this scheduler, based on pod's annotation with key 'scheduler.alpha.kubernetes.io/name'")

plugin/cmd/kube-scheduler/app/server.go

@@ -79,6 +79,7 @@ func Run(s *options.SchedulerServer) error {
 		return err
 	}
 
+	kubeconfig.ContentType = s.ContentType
 	// Override kubeconfig qps/burst settings from flags
 	kubeconfig.QPS = s.KubeAPIQPS
 	kubeconfig.Burst = s.KubeAPIBurst