Replace variables 10250 and 10255 with constants

cmd/kubemark/BUILD

@@ -23,6 +23,7 @@ go_library(
         "//pkg/kubelet/dockershim:go_default_library",
         "//pkg/kubelet/dockershim/libdocker:go_default_library",
         "//pkg/kubemark:go_default_library",
+        "//pkg/master/ports:go_default_library",
         "//pkg/util/iptables/testing:go_default_library",
         "//pkg/util/sysctl/testing:go_default_library",
         "//pkg/version/prometheus:go_default_library",

cmd/kubemark/hollow-node.go

@@ -42,6 +42,7 @@ import (
 	"k8s.io/kubernetes/pkg/kubelet/dockershim"
 	"k8s.io/kubernetes/pkg/kubelet/dockershim/libdocker"
 	"k8s.io/kubernetes/pkg/kubemark"
+	"k8s.io/kubernetes/pkg/master/ports"
 	fakeiptables "k8s.io/kubernetes/pkg/util/iptables/testing"
 	fakesysctl "k8s.io/kubernetes/pkg/util/sysctl/testing"
 	_ "k8s.io/kubernetes/pkg/version/prometheus" // for version metric registration
@@ -73,8 +74,8 @@ var knownMorphs = sets.NewString("kubelet", "proxy")
 
 func (c *hollowNodeConfig) addFlags(fs *pflag.FlagSet) {
 	fs.StringVar(&c.KubeconfigPath, "kubeconfig", "/kubeconfig/kubeconfig", "Path to kubeconfig file.")
-	fs.IntVar(&c.KubeletPort, "kubelet-port", 10250, "Port on which HollowKubelet should be listening.")
-	fs.IntVar(&c.KubeletReadOnlyPort, "kubelet-read-only-port", 10255, "Read-only port on which Kubelet is listening.")
+	fs.IntVar(&c.KubeletPort, "kubelet-port", ports.KubeletPort, "Port on which HollowKubelet should be listening.")
+	fs.IntVar(&c.KubeletReadOnlyPort, "kubelet-read-only-port", ports.KubeletReadOnlyPort, "Read-only port on which Kubelet is listening.")
 	fs.StringVar(&c.NodeName, "name", "fake-node", "Name of this Hollow Node.")
 	fs.IntVar(&c.ServerPort, "api-server-port", 443, "Port on which API server is listening.")
 	fs.StringVar(&c.Morph, "morph", "", fmt.Sprintf("Specifies into which Hollow component this binary should morph. Allowed values: %v", knownMorphs.List()))