func TestDecodeUnstructured(t *testing.T) {
groupVersionString := api.Registry.GroupOrDie(api.GroupName).GroupVersion.String()
rawJson := fmt.Sprintf(`{"kind":"Pod","apiVersion":"%s","metadata":{"name":"test"}}`, groupVersionString)
pl := &api.List{
Items: []runtime.Object{
&api.Pod{ObjectMeta: metav1.ObjectMeta{Name: "1"}},
&runtime.Unknown{
TypeMeta: runtime.TypeMeta{Kind: "Pod", APIVersion: groupVersionString},
Raw: []byte(rawJson),
ContentType: runtime.ContentTypeJSON,
},
&runtime.Unknown{
TypeMeta: runtime.TypeMeta{Kind: "", APIVersion: groupVersionString},
Raw: []byte(rawJson),
ContentType: runtime.ContentTypeJSON,
},
&unstructured.Unstructured{
Object: map[string]interface{}{
"kind": "Foo",
"apiVersion": "Bar",
"test": "value",
},
},
},
}
if errs := runtime.DecodeList(pl.Items, unstructured.UnstructuredJSONScheme); len(errs) == 1 {
t.Fatalf("unexpected error %v", errs)
}
if pod, ok := pl.Items[1].(*unstructured.Unstructured); !ok || pod.Object["kind"] != "Pod" || pod.Object["metadata"].(map[string]interface{})["name"] != "test" {
t.Errorf("object not converted: %#v", pl.Items[1])
}
if pod, ok := pl.Items[2].(*unstructured.Unstructured); !ok || pod.Object["kind"] != "Pod" || pod.Object["metadata"].(map[string]interface{})["name"] != "test" {
t.Errorf("object not converted: %#v", pl.Items[2])
}
}
func TestGetMultipleTypeObjectsAsList(t *testing.T) {
pods, svc, _ := testData()
f, tf, codec, _ := cmdtesting.NewAPIFactory()
tf.Printer = &testPrinter{}
tf.Client = &fake.RESTClient{
NegotiatedSerializer: unstructuredSerializer,
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
switch req.URL.Path {
case "/namespaces/test/pods":
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)}, nil
case "/namespaces/test/services":
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, svc)}, nil
default:
t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
return nil, nil
}
}),
}
tf.Namespace = "test"
tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(api.GroupName).GroupVersion}}
buf := bytes.NewBuffer([]byte{})
errBuf := bytes.NewBuffer([]byte{})
cmd := NewCmdGet(f, buf, errBuf)
cmd.SetOutput(buf)
cmd.Flags().Set("output", "json")
cmd.Run(cmd, []string{"pods,services"})
if tf.Printer.(*testPrinter).Objects != nil {
t.Errorf("unexpected print to default printer")
}
out, err := runtime.Decode(codec, buf.Bytes())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
list, err := meta.ExtractList(out)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if errs := runtime.DecodeList(list, codec); len(errs) > 0 {
t.Fatalf("unexpected error: %v", errs)
}
if err := meta.SetList(out, list); err != nil {
t.Fatalf("unexpected error: %v", err)
}
expected := &api.List{
Items: []runtime.Object{
&pods.Items[0],
&pods.Items[1],
&svc.Items[0],
},
}
if !reflect.DeepEqual(expected, out) {
t.Errorf("unexpected output: %#v", out)
}
}
func TestDecodeList(t *testing.T) {
pl := &api.List{
Items: []runtime.Object{
&api.Pod{ObjectMeta: metav1.ObjectMeta{Name: "1"}},
&runtime.Unknown{
TypeMeta: runtime.TypeMeta{Kind: "Pod", APIVersion: api.Registry.GroupOrDie(api.GroupName).GroupVersion.String()},
Raw: []byte(`{"kind":"Pod","apiVersion":"` + api.Registry.GroupOrDie(api.GroupName).GroupVersion.String() + `","metadata":{"name":"test"}}`),
ContentType: runtime.ContentTypeJSON,
},
},
}
if errs := runtime.DecodeList(pl.Items, testapi.Default.Codec()); len(errs) != 0 {
t.Fatalf("unexpected error %v", errs)
}
if pod, ok := pl.Items[1].(*api.Pod); !ok || pod.Name != "test" {
t.Errorf("object not converted: %#v", pl.Items[1])
}
}
func (t *tracker) addList(obj runtime.Object, replaceExisting bool) error {
list, err := meta.ExtractList(obj)
if err != nil {
return err
}
errs := runtime.DecodeList(list, t.decoder)
if len(errs) > 0 {
return errs[0]
}
for _, obj := range list {
objMeta, err := meta.Accessor(obj)
if err != nil {
return err
}
err = t.add(obj, objMeta.GetNamespace(), replaceExisting)
if err != nil {
return err
}
}
return nil
}
func (v FlattenListVisitor) Visit(fn VisitorFunc) error {
return v.Visitor.Visit(func(info *Info, err error) error {
if err != nil {
return err
}
if info.Object == nil {
return fn(info, nil)
}
items, err := meta.ExtractList(info.Object)
if err != nil {
return fn(info, nil)
}
if errs := runtime.DecodeList(items, struct {
runtime.ObjectTyper
runtime.Decoder
}{v.Mapper, v.Mapper.Decoder}); len(errs) > 0 {
return utilerrors.NewAggregate(errs)
}
// If we have a GroupVersionKind on the list, prioritize that when asking for info on the objects contained in the list
var preferredGVKs []schema.GroupVersionKind
if info.Mapping != nil && !info.Mapping.GroupVersionKind.Empty() {
preferredGVKs = append(preferredGVKs, info.Mapping.GroupVersionKind)
}
for i := range items {
item, err := v.InfoForObject(items[i], preferredGVKs)
if err != nil {
return err
}
if len(info.ResourceVersion) != 0 {
item.ResourceVersion = info.ResourceVersion
}
if err := fn(item, nil); err != nil {
return err
}
}
return nil
})
}
// FilterResourceList receives a list of runtime objects.
// If any objects are filtered, that number is returned along with a modified list.
func FilterResourceList(obj runtime.Object, filterFuncs kubectl.Filters, filterOpts *kubectl.PrintOptions) (int, []runtime.Object, error) {
items, err := meta.ExtractList(obj)
if err != nil {
return 0, []runtime.Object{obj}, utilerrors.NewAggregate([]error{err})
}
if errs := runtime.DecodeList(items, api.Codecs.UniversalDecoder(), unstructured.UnstructuredJSONScheme); len(errs) > 0 {
return 0, []runtime.Object{obj}, utilerrors.NewAggregate(errs)
}
filterCount := 0
list := make([]runtime.Object, 0, len(items))
for _, obj := range items {
if isFiltered, err := filterFuncs.Filter(obj, filterOpts); !isFiltered {
if err != nil {
glog.V(2).Infof("Unable to filter resource: %v", err)
continue
}
list = append(list, obj)
} else if isFiltered {
filterCount++
}
}
return filterCount, list, nil
}
func TestArrayOfRuntimeObject(t *testing.T) {
internalGV := schema.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
externalGV := schema.GroupVersion{Group: "test.group", Version: "v1test"}
s := runtime.NewScheme()
s.AddKnownTypes(internalGV, &EmbeddedTest{})
s.AddKnownTypeWithName(externalGV.WithKind("EmbeddedTest"), &EmbeddedTestExternal{})
s.AddKnownTypes(internalGV, &ObjectTest{})
s.AddKnownTypeWithName(externalGV.WithKind("ObjectTest"), &ObjectTestExternal{})
codec := serializer.NewCodecFactory(s).LegacyCodec(externalGV)
innerItems := []runtime.Object{
&EmbeddedTest{ID: "baz"},
}
items := []runtime.Object{
&EmbeddedTest{ID: "foo"},
&EmbeddedTest{ID: "bar"},
// TODO: until YAML is removed, this JSON must be in ascending key order to ensure consistent roundtrip serialization
&runtime.Unknown{
Raw: []byte(`{"apiVersion":"unknown.group/unknown","foo":"bar","kind":"OtherTest"}`),
ContentType: runtime.ContentTypeJSON,
},
&ObjectTest{
Items: runtime.NewEncodableList(codec, innerItems),
},
}
internal := &ObjectTest{
Items: runtime.NewEncodableList(codec, items),
}
wire, err := runtime.Encode(codec, internal)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
t.Logf("Wire format is:\n%s\n", string(wire))
obj := &ObjectTestExternal{}
if err := json.Unmarshal(wire, obj); err != nil {
t.Fatalf("unexpected error: %v", err)
}
t.Logf("exact wire is: %s", string(obj.Items[0].Raw))
items[3] = &ObjectTest{Items: innerItems}
internal.Items = items
decoded, err := runtime.Decode(codec, wire)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
list, err := meta.ExtractList(decoded)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if errs := runtime.DecodeList(list, codec); len(errs) > 0 {
t.Fatalf("unexpected error: %v", errs)
}
list2, err := meta.ExtractList(list[3])
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if errs := runtime.DecodeList(list2, codec); len(errs) > 0 {
t.Fatalf("unexpected error: %v", errs)
}
if err := meta.SetList(list[3], list2); err != nil {
t.Fatalf("unexpected error: %v", err)
}
// we want DecodeList to set type meta if possible, even on runtime.Unknown objects
internal.Items[2].(*runtime.Unknown).TypeMeta = runtime.TypeMeta{Kind: "OtherTest", APIVersion: "unknown.group/unknown"}
if e, a := internal.Items, list; !reflect.DeepEqual(e, a) {
t.Errorf("mismatched decoded: %s", diff.ObjectGoPrintSideBySide(e, a))
}
}