A hacky way to skip validation of core API

cmd/internal/codegen/parse/validation.go

@@ -116,7 +116,9 @@ func (b *APIs) typeToJSONSchemaProps(t *types.Type, found sets.String, comments
 	case types.Builtin:
 		v, s = b.parsePrimitiveValidation(t, found, comments)
 	case types.Struct:
-		v, s = b.parseObjectValidation(t, found, comments)
+		if !strings.HasPrefix(t.Name.String(), "k8s.io") {
+			v, s = b.parseObjectValidation(t, found, comments)
+		}
 	case types.Map:
 		v, s = b.parseMapValidation(t, found, comments)
 	case types.Slice:
@@ -425,8 +427,10 @@ func (b *APIs) getMembers(t *types.Type, found sets.String) (map[string]v1beta1.
 			}
 		} else {
 			m, r := b.typeToJSONSchemaProps(member.Type, found, member.CommentLines)
-			members[name] = m
-			result[name] = r
+			if r != "" {
+				members[name] = m
+				result[name] = r
+			}
 		}
 	}
 	return members, result