Merge pull request #52379 from dixudx/kubectl_describe_hostpathtype

Automatic merge from submit-queue (batch tested with PRs 50294, 50422, 51757, 52379, 52014). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>..

print HostPathType for kubectl describe

**What this PR does / why we need it**:
Since #46597 has already added `HostPathType` for `HostPath`, we should print it when we describe it.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:
@thockin PTAL
/assign @smarterclayton @liggitt @pwittrock

**Release note**:

```release-note
None
```

pkg/printers/internalversion/describe.go

@@ -770,8 +770,14 @@ func describeVolumes(volumes []api.Volume, w PrefixWriter, space string) {
 }
 
 func printHostPathVolumeSource(hostPath *api.HostPathVolumeSource, w PrefixWriter) {
+	hostPathType := "<none>"
+	if hostPath.Type != nil {
+		hostPathType = string(*hostPath.Type)
+	}
 	w.Write(LEVEL_2, "Type:\tHostPath (bare host directory volume)\n"+
-		"    Path:\t%v\n", hostPath.Path)
+		"    Path:\t%v\n"+
+		"    HostPathType:\t%v\n",
+		hostPath.Path, hostPathType)
 }
 
 func printEmptyDirVolumeSource(emptyDir *api.EmptyDirVolumeSource, w PrefixWriter) {

pkg/printers/internalversion/describe_test.go

@@ -664,7 +664,7 @@ func TestPersistentVolumeDescriber(t *testing.T) {
 			ObjectMeta: metav1.ObjectMeta{Name: "bar"},
 			Spec: api.PersistentVolumeSpec{
 				PersistentVolumeSource: api.PersistentVolumeSource{
-					HostPath: &api.HostPathVolumeSource{},
+					HostPath: &api.HostPathVolumeSource{Type: new(api.HostPathType)},
 				},
 			},
 		},