kubelet: Refactor kubelet.runContainer.

Push the run container logic into container runtime.

pkg/kubelet/dockertools/docker_test.go

@@ -637,3 +637,67 @@ func TestFindContainersByPod(t *testing.T) {
 		}
 	}
 }
+
+func TestMakePortsAndBindings(t *testing.T) {
+	container := api.Container{
+		Ports: []api.ContainerPort{
+			{
+				ContainerPort: 80,
+				HostPort:      8080,
+				HostIP:        "127.0.0.1",
+			},
+			{
+				ContainerPort: 443,
+				HostPort:      443,
+				Protocol:      "tcp",
+			},
+			{
+				ContainerPort: 444,
+				HostPort:      444,
+				Protocol:      "udp",
+			},
+			{
+				ContainerPort: 445,
+				HostPort:      445,
+				Protocol:      "foobar",
+			},
+		},
+	}
+	exposedPorts, bindings := makePortsAndBindings(&container)
+	if len(container.Ports) != len(exposedPorts) ||
+		len(container.Ports) != len(bindings) {
+		t.Errorf("Unexpected ports and bindings, %#v %#v %#v", container, exposedPorts, bindings)
+	}
+	for key, value := range bindings {
+		switch value[0].HostPort {
+		case "8080":
+			if !reflect.DeepEqual(docker.Port("80/tcp"), key) {
+				t.Errorf("Unexpected docker port: %#v", key)
+			}
+			if value[0].HostIP != "127.0.0.1" {
+				t.Errorf("Unexpected host IP: %s", value[0].HostIP)
+			}
+		case "443":
+			if !reflect.DeepEqual(docker.Port("443/tcp"), key) {
+				t.Errorf("Unexpected docker port: %#v", key)
+			}
+			if value[0].HostIP != "" {
+				t.Errorf("Unexpected host IP: %s", value[0].HostIP)
+			}
+		case "444":
+			if !reflect.DeepEqual(docker.Port("444/udp"), key) {
+				t.Errorf("Unexpected docker port: %#v", key)
+			}
+			if value[0].HostIP != "" {
+				t.Errorf("Unexpected host IP: %s", value[0].HostIP)
+			}
+		case "445":
+			if !reflect.DeepEqual(docker.Port("445/tcp"), key) {
+				t.Errorf("Unexpected docker port: %#v", key)
+			}
+			if value[0].HostIP != "" {
+				t.Errorf("Unexpected host IP: %s", value[0].HostIP)
+			}
+		}
+	}
+}