storageclasses view keeps the same output as kubectl get sc (#2132)

* storageclasses view keeps the same output as kubectl get sc

* fix sc test

* rollback labels and valid field and add test case

internal/render/helpers.go

@@ -304,6 +304,13 @@ func boolPtrToStr(b *bool) string {
 	return boolToStr(*b)
 }
 
+func strPtrToStr(s *string) string {
+	if s == nil {
+		return ""
+	}
+	return *s
+}
+
 // Check if string is in a string list.
 func in(ll []string, s string) bool {
 	for _, l := range ll {

internal/render/sc.go

@@ -5,8 +5,10 @@ import (
 
 	"github.com/derailed/k9s/internal/client"
 	storagev1 "k8s.io/api/storage/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/kubectl/pkg/util/storage"
 )
 
 // StorageClass renders a K8s StorageClass to screen.
@@ -19,6 +21,9 @@ func (StorageClass) Header(ns string) Header {
 	return Header{
 		HeaderColumn{Name: "NAME"},
 		HeaderColumn{Name: "PROVISIONER"},
+		HeaderColumn{Name: "RECLAIMPOLICY"},
+		HeaderColumn{Name: "VOLUMEBINDINGMODE"},
+		HeaderColumn{Name: "ALLOWVOLUMEEXPANSION"},
 		HeaderColumn{Name: "LABELS", Wide: true},
 		HeaderColumn{Name: "VALID", Wide: true},
 		HeaderColumn{Name: "AGE", Time: true},
@@ -26,7 +31,7 @@ func (StorageClass) Header(ns string) Header {
 }
 
 // Render renders a K8s resource to screen.
-func (StorageClass) Render(o interface{}, ns string, r *Row) error {
+func (s StorageClass) Render(o interface{}, ns string, r *Row) error {
 	raw, ok := o.(*unstructured.Unstructured)
 	if !ok {
 		return fmt.Errorf("Expected StorageClass, but got %T", o)
@@ -39,8 +44,11 @@ func (StorageClass) Render(o interface{}, ns string, r *Row) error {
 
 	r.ID = client.FQN(client.ClusterScope, sc.ObjectMeta.Name)
 	r.Fields = Fields{
-		sc.Name,
+		s.nameWithDefault(sc.ObjectMeta),
-		string(sc.Provisioner),
+		sc.Provisioner,
+		strPtrToStr((*string)(sc.ReclaimPolicy)),
+		strPtrToStr((*string)(sc.VolumeBindingMode)),
+		boolPtrToStr(sc.AllowVolumeExpansion),
 		mapToStr(sc.Labels),
 		"",
 		toAge(sc.GetCreationTimestamp()),
@@ -48,3 +56,10 @@ func (StorageClass) Render(o interface{}, ns string, r *Row) error {
 
 	return nil
 }
+
+func (StorageClass) nameWithDefault(meta metav1.ObjectMeta) string {
+	if storage.IsDefaultAnnotationText(meta) == "Yes" {
+		return meta.Name + " (default)"
+	}
+	return meta.Name
+}

internal/render/sc_test.go

@@ -13,5 +13,5 @@ func TestStorageClassRender(t *testing.T) {
 
 	assert.NoError(t, c.Render(load(t, "sc"), "", &r))
 	assert.Equal(t, "-/standard", r.ID)
-	assert.Equal(t, render.Fields{"standard", "kubernetes.io/gce-pd"}, r.Fields[:2])
+	assert.Equal(t, render.Fields{"standard (default)", "kubernetes.io/gce-pd", "Delete", "Immediate", "true"}, r.Fields[:5])
 }

internal/render/testdata/sc.json

@@ -20,5 +20,6 @@
   },
   "provisioner": "kubernetes.io/gce-pd",
   "reclaimPolicy": "Delete",
-  "volumeBindingMode": "Immediate"
+  "volumeBindingMode": "Immediate",
+  "allowVolumeExpansion": true
 }