Fix SubPath printing

pkg/kubectl/describe/versioned/describe.go

@@ -1647,12 +1647,12 @@ func describeContainerVolumes(container corev1.Container, w PrefixWriter) {
 	sort.Sort(SortableVolumeMounts(container.VolumeMounts))
 	for _, mount := range container.VolumeMounts {
 		flags := []string{}
-		switch {
+		if mount.ReadOnly {
-		case mount.ReadOnly:
 			flags = append(flags, "ro")
-		case !mount.ReadOnly:
+		} else {
 			flags = append(flags, "rw")
-		case len(mount.SubPath) > 0:
+		}
+		if len(mount.SubPath) > 0 {
 			flags = append(flags, fmt.Sprintf("path=%q", mount.SubPath))
 		}
 		w.Write(LEVEL_3, "%s from %s (%s)\n", mount.MountPath, mount.Name, strings.Join(flags, ","))

pkg/kubectl/describe/versioned/describe_test.go

@@ -718,6 +718,22 @@ func TestDescribeContainers(t *testing.T) {
 			expectedElements: []string{"Mounts", "mounted-volume", "/opt/", "(ro)"},
 		},
 
+		// volumeMounts subPath
+		{
+			container: corev1.Container{
+				Name:  "test",
+				Image: "image",
+				VolumeMounts: []corev1.VolumeMount{
+					{
+						Name:      "mounted-volume",
+						MountPath: "/opt/",
+						SubPath:   "foo",
+					},
+				},
+			},
+			expectedElements: []string{"Mounts", "mounted-volume", "/opt/", "(rw,path=\"foo\")"},
+		},
+
 		// volumeDevices
 		{
 			container: corev1.Container{