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Merge pull request #64087 from hzxuzhonghu/gc-cleanup

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Automatic merge from submit-queue (batch tested with PRs 64069, 64087). 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>.

garbage collector `NewMetadataCodecFactory` cleanup

`NewMetadataCodecFactory` was introduce by #28480, but not used now.

/assign @deads2k 

**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue
2018-05-21 10:48:17 -07:00
committed by GitHub
parent 5c7add3c75 4be6328126
commit 1f0d950579
4 changed files with 0 additions and 251 deletions
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1
hack/.golint_failures
View File

@@ -103,7 +103,6 @@ pkg/controller/deployment/util
pkg/controller/disruption
pkg/controller/endpoint
pkg/controller/garbagecollector
pkg/controller/garbagecollector/metaonly
pkg/controller/job
pkg/controller/namespace
pkg/controller/namespace/deletion

20
pkg/controller/garbagecollector/metaonly/BUILD
View File

@@ -3,38 +3,18 @@ package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"metaonly.go",
"types.go",
"zz_generated.deepcopy.go",
],
importpath = "k8s.io/kubernetes/pkg/controller/garbagecollector/metaonly",
deps = [
"//pkg/api/legacyscheme:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = ["metaonly_test.go"],
embed = [":go_default_library"],
deps = [
"//pkg/apis/core/install:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/meta:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
],
)

66
pkg/controller/garbagecollector/metaonly/metaonly.go
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@@ -1,66 +0,0 @@
/*
Copyright 2016 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 metaonly
import (
"fmt"
"strings"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/kubernetes/pkg/api/legacyscheme"
)
type metaOnlyJSONScheme struct{}
// This function can be extended to mapping different gvk to different MetadataOnlyObject,
// which embedded with different version of ObjectMeta. Currently the system
// only supports metav1.ObjectMeta.
func gvkToMetadataOnlyObject(gvk schema.GroupVersionKind) runtime.Object {
if strings.HasSuffix(gvk.Kind, "List") {
return &MetadataOnlyObjectList{}
} else {
return &MetadataOnlyObject{}
}
}
func NewMetadataCodecFactory() serializer.CodecFactory {
// populating another scheme from legacyscheme.Scheme, registering every kind with
// MetadataOnlyObject (or MetadataOnlyObjectList).
scheme := runtime.NewScheme()
allTypes := legacyscheme.Scheme.AllKnownTypes()
for kind := range allTypes {
if kind.Version == runtime.APIVersionInternal {
continue
}
if kind == metav1.Unversioned.WithKind("Status") {
// this is added below as unversioned
continue
}
metaOnlyObject := gvkToMetadataOnlyObject(kind)
scheme.AddKnownTypeWithName(kind, metaOnlyObject)
}
scheme.AddUnversionedTypes(metav1.Unversioned, &metav1.Status{})
return serializer.NewCodecFactory(scheme)
}
// String converts a MetadataOnlyObject to a human-readable string.
func (metaOnly MetadataOnlyObject) String() string {
return fmt.Sprintf("%s/%s, name: %s, DeletionTimestamp:%v", metaOnly.TypeMeta.APIVersion, metaOnly.TypeMeta.Kind, metaOnly.ObjectMeta.Name, metaOnly.ObjectMeta.DeletionTimestamp)
}

164
pkg/controller/garbagecollector/metaonly/metaonly_test.go
View File

@@ -1,164 +0,0 @@
/*
Copyright 2016 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 metaonly
import (
"encoding/json"
"reflect"
"testing"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
_ "k8s.io/kubernetes/pkg/apis/core/install"
)
func getPod() *v1.Pod {
return &v1.Pod{
TypeMeta: metav1.TypeMeta{
Kind: "Pod",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "pod",
OwnerReferences: []metav1.OwnerReference{
{UID: "1234"},
},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "fake-name",
Image: "fakeimage",
},
},
},
}
}
func getPodJson(t *testing.T) []byte {
data, err := json.Marshal(getPod())
if err != nil {
t.Fatal(err)
}
return data
}
func getPodListJson(t *testing.T) []byte {
data, err := json.Marshal(&v1.PodList{
TypeMeta: metav1.TypeMeta{
Kind: "PodList",
APIVersion: "v1",
},
Items: []v1.Pod{
*getPod(),
*getPod(),
},
})
if err != nil {
t.Fatal(err)
}
return data
}
func verfiyMetadata(description string, t *testing.T, in *MetadataOnlyObject) {
pod := getPod()
if e, a := pod.ObjectMeta, in.ObjectMeta; !reflect.DeepEqual(e, a) {
t.Errorf("%s: expected %#v, got %#v", description, e, a)
}
}
func TestDecodeToMetadataOnlyObject(t *testing.T) {
data := getPodJson(t)
cf := serializer.DirectCodecFactory{CodecFactory: NewMetadataCodecFactory()}
info, ok := runtime.SerializerInfoForMediaType(cf.SupportedMediaTypes(), runtime.ContentTypeJSON)
if !ok {
t.Fatalf("expected to get a JSON serializer")
}
codec := cf.DecoderToVersion(info.Serializer, schema.GroupVersion{Group: "SOMEGROUP", Version: "SOMEVERSION"})
// decode with into
into := &MetadataOnlyObject{}
ret, _, err := codec.Decode(data, nil, into)
if err != nil {
t.Fatal(err)
}
metaOnly, ok := ret.(*MetadataOnlyObject)
if !ok {
t.Fatalf("expected ret to be *runtime.MetadataOnlyObject")
}
verfiyMetadata("check returned metaonly with into", t, metaOnly)
verfiyMetadata("check into", t, into)
// decode without into
ret, _, err = codec.Decode(data, nil, nil)
if err != nil {
t.Fatal(err)
}
metaOnly, ok = ret.(*MetadataOnlyObject)
if !ok {
t.Fatalf("expected ret to be *runtime.MetadataOnlyObject")
}
verfiyMetadata("check returned metaonly without into", t, metaOnly)
}
func verifyListMetadata(t *testing.T, metaOnlyList *MetadataOnlyObjectList) {
items, err := meta.ExtractList(metaOnlyList)
if err != nil {
t.Fatal(err)
}
for _, item := range items {
metaOnly, ok := item.(*MetadataOnlyObject)
if !ok {
t.Fatalf("expected item to be *MetadataOnlyObject")
}
verfiyMetadata("check list", t, metaOnly)
}
}
func TestDecodeToMetadataOnlyObjectList(t *testing.T) {
data := getPodListJson(t)
cf := serializer.DirectCodecFactory{CodecFactory: NewMetadataCodecFactory()}
info, ok := runtime.SerializerInfoForMediaType(cf.SupportedMediaTypes(), runtime.ContentTypeJSON)
if !ok {
t.Fatalf("expected to get a JSON serializer")
}
codec := cf.DecoderToVersion(info.Serializer, schema.GroupVersion{Group: "SOMEGROUP", Version: "SOMEVERSION"})
// decode with into
into := &MetadataOnlyObjectList{}
ret, _, err := codec.Decode(data, nil, into)
if err != nil {
t.Fatal(err)
}
metaOnlyList, ok := ret.(*MetadataOnlyObjectList)
if !ok {
t.Fatalf("expected ret to be *runtime.UnstructuredList")
}
verifyListMetadata(t, metaOnlyList)
verifyListMetadata(t, into)
// decode without into
ret, _, err = codec.Decode(data, nil, nil)
if err != nil {
t.Fatal(err)
}
metaOnlyList, ok = ret.(*MetadataOnlyObjectList)
if !ok {
t.Fatalf("expected ret to be *runtime.UnstructuredList")
}
verifyListMetadata(t, metaOnlyList)
}