Merge pull request kubernetes#77368 from liggitt/handle-status-objects

Require version match to special-case status objects

Author: k8s-ci-robot

staging/src/k8s.io/cli-runtime/pkg/resource/BUILD

@@ -51,6 +51,7 @@ go_test(
     srcs = [
         "builder_test.go",
         "helper_test.go",
+        "scheme_test.go",
         "visitor_test.go",
     ],
     data = [
@@ -64,6 +65,7 @@ go_test(
         "//staging/src/k8s.io/apimachinery/pkg/api/meta/testrestmapper:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/resource:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",

staging/src/k8s.io/cli-runtime/pkg/resource/scheme.go

@@ -41,11 +41,13 @@ func (dynamicCodec) Decode(data []byte, gvk *schema.GroupVersionKind, obj runtim
 		return nil, nil, err
 	}
 
-	if _, ok := obj.(*metav1.Status); !ok && strings.ToLower(gvk.Kind) == "status" {
-		obj = &metav1.Status{}
-		err := json.Unmarshal(data, obj)
-		if err != nil {
-			return nil, nil, err
+	if strings.ToLower(gvk.Kind) == "status" && gvk.Version == "v1" && (gvk.Group == "" || gvk.Group == "meta.k8s.io") {
+		if _, ok := obj.(*metav1.Status); !ok {
+			obj = &metav1.Status{}
+			err := json.Unmarshal(data, obj)
+			if err != nil {
+				return nil, nil, err
+			}
 		}
 	}
 

staging/src/k8s.io/cli-runtime/pkg/resource/scheme_test.go

@@ -0,0 +1,88 @@
+/*
+Copyright 2019 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package resource
+
+import (
+	"reflect"
+	"strings"
+	"testing"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+func TestDynamicCodecDecode(t *testing.T) {
+	testcases := []struct {
+		name string
+		data []byte
+		gvk  *schema.GroupVersionKind
+		obj  runtime.Object
+
+		expectErr string
+		expectGVK *schema.GroupVersionKind
+		expectObj runtime.Object
+	}{
+		{
+			name:      "v1 Status",
+			data:      []byte(`{"apiVersion":"v1","kind":"Status"}`),
+			expectGVK: &schema.GroupVersionKind{"", "v1", "Status"},
+			expectObj: &metav1.Status{TypeMeta: metav1.TypeMeta{APIVersion: "v1", Kind: "Status"}},
+		},
+		{
+			name:      "meta.k8s.io/v1 Status",
+			data:      []byte(`{"apiVersion":"meta.k8s.io/v1","kind":"Status"}`),
+			expectGVK: &schema.GroupVersionKind{"meta.k8s.io", "v1", "Status"},
+			expectObj: &metav1.Status{TypeMeta: metav1.TypeMeta{APIVersion: "meta.k8s.io/v1", Kind: "Status"}},
+		},
+		{
+			name:      "example.com/v1 Status",
+			data:      []byte(`{"apiVersion":"example.com/v1","kind":"Status"}`),
+			expectGVK: &schema.GroupVersionKind{"example.com", "v1", "Status"},
+			expectObj: &unstructured.Unstructured{Object: map[string]interface{}{"apiVersion": "example.com/v1", "kind": "Status"}},
+		},
+		{
+			name:      "example.com/v1 Foo",
+			data:      []byte(`{"apiVersion":"example.com/v1","kind":"Foo"}`),
+			expectGVK: &schema.GroupVersionKind{"example.com", "v1", "Foo"},
+			expectObj: &unstructured.Unstructured{Object: map[string]interface{}{"apiVersion": "example.com/v1", "kind": "Foo"}},
+		},
+	}
+
+	for _, test := range testcases {
+		t.Run(test.name, func(t *testing.T) {
+			obj, gvk, err := dynamicCodec{}.Decode(test.data, test.gvk, test.obj)
+			if (err == nil) != (test.expectErr == "") {
+				t.Fatalf("expected err=%v, got %v", test.expectErr, err)
+			}
+			if err != nil && !strings.Contains(err.Error(), test.expectErr) {
+				t.Fatalf("expected err=%v, got %v", test.expectErr, err)
+			}
+			if err != nil {
+				return
+			}
+
+			if !reflect.DeepEqual(test.expectGVK, gvk) {
+				t.Errorf("expected\n\tgvk=%#v\ngot\n\t%#v", test.expectGVK, gvk)
+			}
+			if !reflect.DeepEqual(test.expectObj, obj) {
+				t.Errorf("expected\n\t%#v\n\t%#v", test.expectObj, obj)
+			}
+		})
+	}
+}