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Merge pull request #28480 from caesarxuchao/gc-save-only-meta

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Automatic merge from submit-queue

[GarbageCollector] only store typeMeta and objectMeta in the gc store

GC only needs to know the apiVersion, kind, and objectMeta of an object. This PR makes the stores of GC only save these fields.
cc @kubernetes/sig-api-machinery

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.kubernetes.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.kubernetes.io/reviews/kubernetes/kubernetes/28480)
<!-- Reviewable:end -->
This commit is contained in:
Kubernetes Submit Queue 2016-08-08 20:28:37 -07:00 committed by GitHub
commit a9b6f695da
17 changed files with 1193 additions and 38 deletions
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10
cmd/kube-controller-manager/app/controllermanager.go
View File

@ -51,6 +51,7 @@ import (
endpointcontroller "k8s.io/kubernetes/pkg/controller/endpoint"
"k8s.io/kubernetes/pkg/controller/framework/informers"
"k8s.io/kubernetes/pkg/controller/garbagecollector"
"k8s.io/kubernetes/pkg/controller/garbagecollector/metaonly"
"k8s.io/kubernetes/pkg/controller/job"
namespacecontroller "k8s.io/kubernetes/pkg/controller/namespace"
nodecontroller "k8s.io/kubernetes/pkg/controller/node"
@ -69,6 +70,7 @@ import (
persistentvolumecontroller "k8s.io/kubernetes/pkg/controller/volume/persistentvolume"
"k8s.io/kubernetes/pkg/healthz"
quotainstall "k8s.io/kubernetes/pkg/quota/install"
"k8s.io/kubernetes/pkg/runtime/serializer"
"k8s.io/kubernetes/pkg/serviceaccount"
"k8s.io/kubernetes/pkg/util/configz"
"k8s.io/kubernetes/pkg/util/crypto"
@ -495,8 +497,12 @@ func StartControllers(s *options.CMServer, kubeClient *client.Client, kubeconfig
if err != nil {
glog.Fatalf("Failed to get supported resources from server: %v", err)
}
clientPool := dynamic.NewClientPool(restclient.AddUserAgent(kubeconfig, "generic-garbage-collector"), dynamic.LegacyAPIPathResolverFunc)
garbageCollector, err := garbagecollector.NewGarbageCollector(clientPool, groupVersionResources)
config := restclient.AddUserAgent(kubeconfig, "generic-garbage-collector")
config.ContentConfig.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: metaonly.NewMetadataCodecFactory()}
metaOnlyClientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
config.ContentConfig.NegotiatedSerializer = nil
clientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
garbageCollector, err := garbagecollector.NewGarbageCollector(metaOnlyClientPool, clientPool, groupVersionResources)
if err != nil {
glog.Errorf("Failed to start the generic garbage collector: %v", err)
} else {

4
pkg/apiserver/apiserver_test.go
View File

@ -1911,6 +1911,7 @@ func TestDeleteWithOptions(t *testing.T) {
if simpleStorage.deleted != ID {
t.Errorf("Unexpected delete: %s, expected %s", simpleStorage.deleted, ID)
}
simpleStorage.deleteOptions.GetObjectKind().SetGroupVersionKind(unversioned.GroupVersionKind{})
if !api.Semantic.DeepEqual(simpleStorage.deleteOptions, item) {
t.Errorf("unexpected delete options: %s", diff.ObjectDiff(simpleStorage.deleteOptions, item))
}
@ -2700,6 +2701,7 @@ func TestCreate(t *testing.T) {
t.Errorf("unexpected error: %v %#v", err, response)
}
itemOut.GetObjectKind().SetGroupVersionKind(unversioned.GroupVersionKind{})
if !reflect.DeepEqual(&itemOut, simple) {
t.Errorf("Unexpected data: %#v, expected %#v (%s)", itemOut, simple, string(body))
}
@ -2769,6 +2771,7 @@ func TestCreateYAML(t *testing.T) {
t.Fatalf("unexpected error: %v %#v", err, response)
}
itemOut.GetObjectKind().SetGroupVersionKind(unversioned.GroupVersionKind{})
if !reflect.DeepEqual(&itemOut, simple) {
t.Errorf("Unexpected data: %#v, expected %#v (%s)", itemOut, simple, string(body))
}
@ -2827,6 +2830,7 @@ func TestCreateInNamespace(t *testing.T) {
t.Fatalf("unexpected error: %v\n%s", err, data)
}
itemOut.GetObjectKind().SetGroupVersionKind(unversioned.GroupVersionKind{})
if !reflect.DeepEqual(&itemOut, simple) {
t.Errorf("Unexpected data: %#v, expected %#v (%s)", itemOut, simple, string(body))
}

16
pkg/client/typed/dynamic/client.go
View File

@ -54,13 +54,9 @@ func NewClient(conf *restclient.Config) (*Client, error) {
confCopy := *conf
conf = &confCopy
codec := dynamicCodec{}
// TODO: it's questionable that this should be using anything other than unstructured schema and JSON
conf.ContentType = runtime.ContentTypeJSON
conf.AcceptContentTypes = runtime.ContentTypeJSON
streamingInfo, _ := api.Codecs.StreamingSerializerForMediaType("application/json;stream=watch", nil)
conf.NegotiatedSerializer = serializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{Serializer: codec}, streamingInfo)
if conf.APIPath == "" {
conf.APIPath = "/api"
@ -69,6 +65,10 @@ func NewClient(conf *restclient.Config) (*Client, error) {
if len(conf.UserAgent) == 0 {
conf.UserAgent = restclient.DefaultKubernetesUserAgent()
}
if conf.NegotiatedSerializer == nil {
streamingInfo, _ := api.Codecs.StreamingSerializerForMediaType("application/json;stream=watch", nil)
conf.NegotiatedSerializer = serializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{Serializer: dynamicCodec{}}, streamingInfo)
}
cl, err := restclient.RESTClientFor(conf)
if err != nil {
@ -119,19 +119,17 @@ type ResourceClient struct {
}
// List returns a list of objects for this resource.
func (rc *ResourceClient) List(opts runtime.Object) (*runtime.UnstructuredList, error) {
result := new(runtime.UnstructuredList)
func (rc *ResourceClient) List(opts runtime.Object) (runtime.Object, error) {
parameterEncoder := rc.parameterCodec
if parameterEncoder == nil {
parameterEncoder = defaultParameterEncoder
}
err := rc.cl.Get().
return rc.cl.Get().
NamespaceIfScoped(rc.ns, rc.resource.Namespaced).
Resource(rc.resource.Name).
VersionedParams(opts, parameterEncoder).
Do().
Into(result)
return result, err
Get()
}
// Get gets the resource with the specified name.

9
pkg/client/typed/dynamic/client_pool.go
View File

@ -19,8 +19,11 @@ package dynamic
import (
"sync"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/client/restclient"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/runtime/serializer"
)
// ClientPool manages a pool of dynamic clients.
@ -77,6 +80,12 @@ func (c *clientPoolImpl) ClientForGroupVersion(groupVersion unversioned.GroupVer
// we need to make a client
conf.GroupVersion = &groupVersion
if conf.NegotiatedSerializer == nil {
streamingInfo, _ := api.Codecs.StreamingSerializerForMediaType("application/json;stream=watch", nil)
conf.NegotiatedSerializer = serializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{Serializer: dynamicCodec{}}, streamingInfo)
}
dynamicClient, err := NewClient(conf)
if err != nil {
return nil, err

60
pkg/controller/garbagecollector/garbagecollector.go
View File

@ -33,6 +33,7 @@ import (
"k8s.io/kubernetes/pkg/client/cache"
"k8s.io/kubernetes/pkg/client/typed/dynamic"
"k8s.io/kubernetes/pkg/controller/framework"
"k8s.io/kubernetes/pkg/controller/garbagecollector/metaonly"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/types"
utilerrors "k8s.io/kubernetes/pkg/util/errors"
@ -154,6 +155,7 @@ func (p *Propagator) addDependentToOwners(n *node, owners []metatypes.OwnerRefer
dependentsLock: &sync.RWMutex{},
dependents: make(map[*node]struct{}),
}
glog.V(6).Infof("add virtual node.identity: %s\n\n", ownerNode.identity)
p.uidToNode.Write(ownerNode)
p.gc.dirtyQueue.Add(ownerNode)
}
@ -427,6 +429,11 @@ func (p *Propagator) processEvent() {
// DeleteOptions.OrphanDependents=true.
type GarbageCollector struct {
restMapper meta.RESTMapper
// metaOnlyClientPool uses a special codec, which removes fields except for
// apiVersion, kind, and metadata during decoding.
metaOnlyClientPool dynamic.ClientPool
// clientPool uses the regular dynamicCodec. We need it to update
// finalizers. It can be removed if we support patching finalizers.
clientPool dynamic.ClientPool
dirtyQueue *workqueue.Type
orphanQueue *workqueue.Type
@ -434,8 +441,6 @@ type GarbageCollector struct {
propagator *Propagator
}
// TODO: make special List and Watch function that removes fields other than
// ObjectMeta.
func gcListWatcher(client *dynamic.Client, resource unversioned.GroupVersionResource) *cache.ListWatch {
return &cache.ListWatch{
ListFunc: func(options api.ListOptions) (runtime.Object, error) {
@ -461,14 +466,21 @@ func gcListWatcher(client *dynamic.Client, resource unversioned.GroupVersionReso
}
}
func monitorFor(p *Propagator, clientPool dynamic.ClientPool, resource unversioned.GroupVersionResource) (monitor, error) {
func monitorFor(p *Propagator, clientPool dynamic.ClientPool, resource unversioned.GroupVersionResource, kind unversioned.GroupVersionKind) (monitor, error) {
// TODO: consider store in one storage.
glog.V(6).Infof("create storage for resource %s", resource)
var monitor monitor
client, err := clientPool.ClientForGroupVersion(resource.GroupVersion())
client, err := p.gc.metaOnlyClientPool.ClientForGroupVersion(resource.GroupVersion())
if err != nil {
return monitor, err
}
setObjectTypeMeta := func(obj interface{}) {
runtimeObject, ok := obj.(runtime.Object)
if !ok {
utilruntime.HandleError(fmt.Errorf("expected runtime.Object, got %#v", obj))
}
runtimeObject.GetObjectKind().SetGroupVersionKind(kind)
}
monitor.store, monitor.controller = framework.NewInformer(
gcListWatcher(client, resource),
nil,
@ -476,6 +488,7 @@ func monitorFor(p *Propagator, clientPool dynamic.ClientPool, resource unversion
framework.ResourceEventHandlerFuncs{
// add the event to the propagator's eventQueue.
AddFunc: func(obj interface{}) {
setObjectTypeMeta(obj)
event := event{
eventType: addEvent,
obj: obj,
@ -483,6 +496,8 @@ func monitorFor(p *Propagator, clientPool dynamic.ClientPool, resource unversion
p.eventQueue.Add(event)
},
UpdateFunc: func(oldObj, newObj interface{}) {
setObjectTypeMeta(newObj)
setObjectTypeMeta(oldObj)
event := event{updateEvent, newObj, oldObj}
p.eventQueue.Add(event)
},
@ -491,6 +506,7 @@ func monitorFor(p *Propagator, clientPool dynamic.ClientPool, resource unversion
if deletedFinalStateUnknown, ok := obj.(cache.DeletedFinalStateUnknown); ok {
obj = deletedFinalStateUnknown.Obj
}
setObjectTypeMeta(obj)
event := event{
eventType: deleteEvent,
obj: obj,
@ -511,8 +527,9 @@ var ignoredResources = map[unversioned.GroupVersionResource]struct{}{
unversioned.GroupVersionResource{Group: "authorization.k8s.io", Version: "v1beta1", Resource: "subjectaccessreviews"}: {},
}
func NewGarbageCollector(clientPool dynamic.ClientPool, resources []unversioned.GroupVersionResource) (*GarbageCollector, error) {
func NewGarbageCollector(metaOnlyClientPool dynamic.ClientPool, clientPool dynamic.ClientPool, resources []unversioned.GroupVersionResource) (*GarbageCollector, error) {
gc := &GarbageCollector{
metaOnlyClientPool: metaOnlyClientPool,
clientPool: clientPool,
dirtyQueue: workqueue.New(),
orphanQueue: workqueue.New(),
@ -532,7 +549,11 @@ func NewGarbageCollector(clientPool dynamic.ClientPool, resources []unversioned.
glog.V(6).Infof("ignore resource %#v", resource)
continue
}
monitor, err := monitorFor(gc.propagator, gc.clientPool, resource)
kind, err := gc.restMapper.KindFor(resource)
if err != nil {
return nil, err
}
monitor, err := monitorFor(gc.propagator, gc.clientPool, resource, kind)
if err != nil {
return nil, err
}
@ -549,7 +570,7 @@ func (gc *GarbageCollector) worker() {
defer gc.dirtyQueue.Done(key)
err := gc.processItem(key.(*node))
if err != nil {
utilruntime.HandleError(fmt.Errorf("Error syncing item %v: %v", key, err))
utilruntime.HandleError(fmt.Errorf("Error syncing item %#v: %v", key, err))
}
}
@ -623,6 +644,20 @@ func objectReferenceToUnstructured(ref objectReference) *runtime.Unstructured {
return ret
}
func objectReferenceToMetadataOnlyObject(ref objectReference) *metaonly.MetadataOnlyObject {
return &metaonly.MetadataOnlyObject{
TypeMeta: unversioned.TypeMeta{
APIVersion: ref.APIVersion,
Kind: ref.Kind,
},
ObjectMeta: v1.ObjectMeta{
Namespace: ref.Namespace,
UID: ref.UID,
Name: ref.Name,
},
}
}
func (gc *GarbageCollector) processItem(item *node) error {
// Get the latest item from the API server
latest, err := gc.getObject(item.identity)
@ -634,15 +669,22 @@ func (gc *GarbageCollector) processItem(item *node) error {
glog.V(6).Infof("item %v not found, generating a virtual delete event", item.identity)
event := event{
eventType: deleteEvent,
obj: objectReferenceToUnstructured(item.identity),
obj: objectReferenceToMetadataOnlyObject(item.identity),
}
glog.V(6).Infof("generating virtual delete event for %s\n\n", event.obj)
gc.propagator.eventQueue.Add(event)
return nil
}
return err
}
if latest.GetUID() != item.identity.UID {
glog.V(6).Infof("UID doesn't match, item %v not found, ignore it", item.identity)
glog.V(6).Infof("UID doesn't match, item %v not found, generating a virtual delete event", item.identity)
event := event{
eventType: deleteEvent,
obj: objectReferenceToMetadataOnlyObject(item.identity),
}
glog.V(6).Infof("generating virtual delete event for %s\n\n", event.obj)
gc.propagator.eventQueue.Add(event)
return nil
}
ownerReferences := latest.GetOwnerReferences()

23
pkg/controller/garbagecollector/garbagecollector_test.go
View File

@ -24,6 +24,8 @@ import (
"testing"
_ "k8s.io/kubernetes/pkg/api/install"
"k8s.io/kubernetes/pkg/controller/garbagecollector/metaonly"
"k8s.io/kubernetes/pkg/runtime/serializer"
"github.com/stretchr/testify/assert"
"k8s.io/kubernetes/pkg/api"
@ -39,9 +41,13 @@ import (
)
func TestNewGarbageCollector(t *testing.T) {
clientPool := dynamic.NewClientPool(&restclient.Config{}, dynamic.LegacyAPIPathResolverFunc)
config := &restclient.Config{}
config.ContentConfig.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: metaonly.NewMetadataCodecFactory()}
metaOnlyClientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
config.ContentConfig.NegotiatedSerializer = nil
clientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
podResource := []unversioned.GroupVersionResource{{Version: "v1", Resource: "pods"}}
gc, err := NewGarbageCollector(clientPool, podResource)
gc, err := NewGarbageCollector(metaOnlyClientPool, clientPool, podResource)
if err != nil {
t.Fatal(err)
}
@ -141,8 +147,11 @@ func TestProcessItem(t *testing.T) {
podResource := []unversioned.GroupVersionResource{{Version: "v1", Resource: "pods"}}
srv, clientConfig := testServerAndClientConfig(testHandler.ServeHTTP)
defer srv.Close()
clientConfig.ContentConfig.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: metaonly.NewMetadataCodecFactory()}
metaOnlyClientPool := dynamic.NewClientPool(clientConfig, dynamic.LegacyAPIPathResolverFunc)
clientConfig.ContentConfig.NegotiatedSerializer = nil
clientPool := dynamic.NewClientPool(clientConfig, dynamic.LegacyAPIPathResolverFunc)
gc, err := NewGarbageCollector(clientPool, podResource)
gc, err := NewGarbageCollector(metaOnlyClientPool, clientPool, podResource)
if err != nil {
t.Fatal(err)
}
@ -293,9 +302,13 @@ func TestProcessEvent(t *testing.T) {
// TestDependentsRace relies on golang's data race detector to check if there is
// data race among in the dependents field.
func TestDependentsRace(t *testing.T) {
clientPool := dynamic.NewClientPool(&restclient.Config{}, dynamic.LegacyAPIPathResolverFunc)
config := &restclient.Config{}
config.ContentConfig.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: metaonly.NewMetadataCodecFactory()}
metaOnlyClientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
config.ContentConfig.NegotiatedSerializer = nil
clientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
podResource := []unversioned.GroupVersionResource{{Version: "v1", Resource: "pods"}}
gc, err := NewGarbageCollector(clientPool, podResource)
gc, err := NewGarbageCollector(metaOnlyClientPool, clientPool, podResource)
if err != nil {
t.Fatal(err)
}

64
pkg/controller/garbagecollector/metaonly/metaonly.go Normal file
View File

@ -0,0 +1,64 @@
/*
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"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/runtime/serializer"
)
func (obj *MetadataOnlyObject) GetObjectKind() unversioned.ObjectKind { return obj }
func (obj *MetadataOnlyObjectList) GetObjectKind() unversioned.ObjectKind { return obj }
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 v1.ObjectMeta.
func gvkToMetadataOnlyObject(gvk unversioned.GroupVersionKind) runtime.Object {
if strings.HasSuffix(gvk.Kind, "List") {
return &MetadataOnlyObjectList{}
} else {
return &MetadataOnlyObject{}
}
}
func NewMetadataCodecFactory() serializer.CodecFactory {
// populating another scheme from api.Scheme, registering every kind with
// MetadataOnlyObject (or MetadataOnlyObjectList).
scheme := runtime.NewScheme()
allTypes := api.Scheme.AllKnownTypes()
for kind := range allTypes {
if kind.Version == runtime.APIVersionInternal {
continue
}
metaOnlyObject := gvkToMetadataOnlyObject(kind)
scheme.AddKnownTypeWithName(kind, metaOnlyObject)
}
scheme.AddUnversionedTypes(api.Unversioned, &unversioned.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)
}

163
pkg/controller/garbagecollector/metaonly/metaonly_test.go Normal file
View File

@ -0,0 +1,163 @@
/*
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/kubernetes/pkg/api/install"
"k8s.io/kubernetes/pkg/api/meta"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/api/v1"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/runtime/serializer"
)
func getPod() *v1.Pod {
return &v1.Pod{
TypeMeta: unversioned.TypeMeta{
Kind: "Pod",
APIVersion: "v1",
},
ObjectMeta: v1.ObjectMeta{
Name: "pod",
OwnerReferences: []v1.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: unversioned.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()}
serializer, ok := cf.SerializerForMediaType(runtime.ContentTypeJSON, nil)
if !ok {
t.Fatalf("expected to get a JSON serializer")
}
codec := cf.DecoderToVersion(serializer, unversioned.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()}
serializer, ok := cf.SerializerForMediaType(runtime.ContentTypeJSON, nil)
if !ok {
t.Fatalf("expected to get a JSON serializer")
}
codec := cf.DecoderToVersion(serializer, unversioned.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)
}

794
pkg/controller/garbagecollector/metaonly/types.generated.go Normal file
View File

@ -0,0 +1,794 @@
/*
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.
*/
// ************************************************************
// DO NOT EDIT.
// THIS FILE IS AUTO-GENERATED BY codecgen.
// ************************************************************
package metaonly
import (
"errors"
"fmt"
codec1978 "github.com/ugorji/go/codec"
pkg1_unversioned "k8s.io/kubernetes/pkg/api/unversioned"
pkg2_v1 "k8s.io/kubernetes/pkg/api/v1"
pkg3_types "k8s.io/kubernetes/pkg/types"
"reflect"
"runtime"
time "time"
)
const (
// ----- content types ----
codecSelferC_UTF81234 = 1
codecSelferC_RAW1234 = 0
// ----- value types used ----
codecSelferValueTypeArray1234 = 10
codecSelferValueTypeMap1234 = 9
// ----- containerStateValues ----
codecSelfer_containerMapKey1234 = 2
codecSelfer_containerMapValue1234 = 3
codecSelfer_containerMapEnd1234 = 4
codecSelfer_containerArrayElem1234 = 6
codecSelfer_containerArrayEnd1234 = 7
)
var (
codecSelferBitsize1234 = uint8(reflect.TypeOf(uint(0)).Bits())
codecSelferOnlyMapOrArrayEncodeToStructErr1234 = errors.New(`only encoded map or array can be decoded into a struct`)
)
type codecSelfer1234 struct{}
func init() {
if codec1978.GenVersion != 5 {
_, file, _, _ := runtime.Caller(0)
err := fmt.Errorf("codecgen version mismatch: current: %v, need %v. Re-generate file: %v",
5, codec1978.GenVersion, file)
panic(err)
}
if false { // reference the types, but skip this branch at build/run time
var v0 pkg1_unversioned.TypeMeta
var v1 pkg2_v1.ObjectMeta
var v2 pkg3_types.UID
var v3 time.Time
_, _, _, _ = v0, v1, v2, v3
}
}
func (x *MetadataOnlyObject) CodecEncodeSelf(e *codec1978.Encoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperEncoder(e)
_, _, _ = h, z, r
if x == nil {
r.EncodeNil()
} else {
yym1 := z.EncBinary()
_ = yym1
if false {
} else if z.HasExtensions() && z.EncExt(x) {
} else {
yysep2 := !z.EncBinary()
yy2arr2 := z.EncBasicHandle().StructToArray
var yyq2 [3]bool
_, _, _ = yysep2, yyq2, yy2arr2
const yyr2 bool = false
yyq2[0] = true
yyq2[1] = x.Kind != ""
yyq2[2] = x.APIVersion != ""
var yynn2 int
if yyr2 || yy2arr2 {
r.EncodeArrayStart(3)
} else {
yynn2 = 0
for _, b := range yyq2 {
if b {
yynn2++
}
}
r.EncodeMapStart(yynn2)
yynn2 = 0
}
if yyr2 || yy2arr2 {
z.EncSendContainerState(codecSelfer_containerArrayElem1234)
if yyq2[0] {
yy4 := &x.ObjectMeta
yy4.CodecEncodeSelf(e)
} else {
r.EncodeNil()
}
} else {
if yyq2[0] {
z.EncSendContainerState(codecSelfer_containerMapKey1234)
r.EncodeString(codecSelferC_UTF81234, string("metadata"))
z.EncSendContainerState(codecSelfer_containerMapValue1234)
yy6 := &x.ObjectMeta
yy6.CodecEncodeSelf(e)
}
}
if yyr2 || yy2arr2 {
z.EncSendContainerState(codecSelfer_containerArrayElem1234)
if yyq2[1] {
yym9 := z.EncBinary()
_ = yym9
if false {
} else {
r.EncodeString(codecSelferC_UTF81234, string(x.Kind))
}
} else {
r.EncodeString(codecSelferC_UTF81234, "")
}
} else {
if yyq2[1] {
z.EncSendContainerState(codecSelfer_containerMapKey1234)
r.EncodeString(codecSelferC_UTF81234, string("kind"))
z.EncSendContainerState(codecSelfer_containerMapValue1234)
yym10 := z.EncBinary()
_ = yym10
if false {
} else {
r.EncodeString(codecSelferC_UTF81234, string(x.Kind))
}
}
}
if yyr2 || yy2arr2 {
z.EncSendContainerState(codecSelfer_containerArrayElem1234)
if yyq2[2] {
yym12 := z.EncBinary()
_ = yym12
if false {
} else {
r.EncodeString(codecSelferC_UTF81234, string(x.APIVersion))
}
} else {
r.EncodeString(codecSelferC_UTF81234, "")
}
} else {
if yyq2[2] {
z.EncSendContainerState(codecSelfer_containerMapKey1234)
r.EncodeString(codecSelferC_UTF81234, string("apiVersion"))
z.EncSendContainerState(codecSelfer_containerMapValue1234)
yym13 := z.EncBinary()
_ = yym13
if false {
} else {
r.EncodeString(codecSelferC_UTF81234, string(x.APIVersion))
}
}
}
if yyr2 || yy2arr2 {
z.EncSendContainerState(codecSelfer_containerArrayEnd1234)
} else {
z.EncSendContainerState(codecSelfer_containerMapEnd1234)
}
}
}
}
func (x *MetadataOnlyObject) CodecDecodeSelf(d *codec1978.Decoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
yym1 := z.DecBinary()
_ = yym1
if false {
} else if z.HasExtensions() && z.DecExt(x) {
} else {
yyct2 := r.ContainerType()
if yyct2 == codecSelferValueTypeMap1234 {
yyl2 := r.ReadMapStart()
if yyl2 == 0 {
z.DecSendContainerState(codecSelfer_containerMapEnd1234)
} else {
x.codecDecodeSelfFromMap(yyl2, d)
}
} else if yyct2 == codecSelferValueTypeArray1234 {
yyl2 := r.ReadArrayStart()
if yyl2 == 0 {
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
} else {
x.codecDecodeSelfFromArray(yyl2, d)
}
} else {
panic(codecSelferOnlyMapOrArrayEncodeToStructErr1234)
}
}
}
func (x *MetadataOnlyObject) codecDecodeSelfFromMap(l int, d *codec1978.Decoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
var yys3Slc = z.DecScratchBuffer() // default slice to decode into
_ = yys3Slc
var yyhl3 bool = l >= 0
for yyj3 := 0; ; yyj3++ {
if yyhl3 {
if yyj3 >= l {
break
}
} else {
if r.CheckBreak() {
break
}
}
z.DecSendContainerState(codecSelfer_containerMapKey1234)
yys3Slc = r.DecodeBytes(yys3Slc, true, true)
yys3 := string(yys3Slc)
z.DecSendContainerState(codecSelfer_containerMapValue1234)
switch yys3 {
case "metadata":
if r.TryDecodeAsNil() {
x.ObjectMeta = pkg2_v1.ObjectMeta{}
} else {
yyv4 := &x.ObjectMeta
yyv4.CodecDecodeSelf(d)
}
case "kind":
if r.TryDecodeAsNil() {
x.Kind = ""
} else {
x.Kind = string(r.DecodeString())
}
case "apiVersion":
if r.TryDecodeAsNil() {
x.APIVersion = ""
} else {
x.APIVersion = string(r.DecodeString())
}
default:
z.DecStructFieldNotFound(-1, yys3)
} // end switch yys3
} // end for yyj3
z.DecSendContainerState(codecSelfer_containerMapEnd1234)
}
func (x *MetadataOnlyObject) codecDecodeSelfFromArray(l int, d *codec1978.Decoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
var yyj7 int
var yyb7 bool
var yyhl7 bool = l >= 0
yyj7++
if yyhl7 {
yyb7 = yyj7 > l
} else {
yyb7 = r.CheckBreak()
}
if yyb7 {
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
return
}
z.DecSendContainerState(codecSelfer_containerArrayElem1234)
if r.TryDecodeAsNil() {
x.ObjectMeta = pkg2_v1.ObjectMeta{}
} else {
yyv8 := &x.ObjectMeta
yyv8.CodecDecodeSelf(d)
}
yyj7++
if yyhl7 {
yyb7 = yyj7 > l
} else {
yyb7 = r.CheckBreak()
}
if yyb7 {
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
return
}
z.DecSendContainerState(codecSelfer_containerArrayElem1234)
if r.TryDecodeAsNil() {
x.Kind = ""
} else {
x.Kind = string(r.DecodeString())
}
yyj7++
if yyhl7 {
yyb7 = yyj7 > l
} else {
yyb7 = r.CheckBreak()
}
if yyb7 {
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
return
}
z.DecSendContainerState(codecSelfer_containerArrayElem1234)
if r.TryDecodeAsNil() {
x.APIVersion = ""
} else {
x.APIVersion = string(r.DecodeString())
}
for {
yyj7++
if yyhl7 {
yyb7 = yyj7 > l
} else {
yyb7 = r.CheckBreak()
}
if yyb7 {
break
}
z.DecSendContainerState(codecSelfer_containerArrayElem1234)
z.DecStructFieldNotFound(yyj7-1, "")
}
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
}
func (x *MetadataOnlyObjectList) CodecEncodeSelf(e *codec1978.Encoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperEncoder(e)
_, _, _ = h, z, r
if x == nil {
r.EncodeNil()
} else {
yym1 := z.EncBinary()
_ = yym1
if false {
} else if z.HasExtensions() && z.EncExt(x) {
} else {
yysep2 := !z.EncBinary()
yy2arr2 := z.EncBasicHandle().StructToArray
var yyq2 [4]bool
_, _, _ = yysep2, yyq2, yy2arr2
const yyr2 bool = false
yyq2[0] = true
yyq2[2] = x.Kind != ""
yyq2[3] = x.APIVersion != ""
var yynn2 int
if yyr2 || yy2arr2 {
r.EncodeArrayStart(4)
} else {
yynn2 = 1
for _, b := range yyq2 {
if b {
yynn2++
}
}
r.EncodeMapStart(yynn2)
yynn2 = 0
}
if yyr2 || yy2arr2 {
z.EncSendContainerState(codecSelfer_containerArrayElem1234)
if yyq2[0] {
yy4 := &x.ListMeta
yym5 := z.EncBinary()
_ = yym5
if false {
} else if z.HasExtensions() && z.EncExt(yy4) {
} else {
z.EncFallback(yy4)
}
} else {
r.EncodeNil()
}
} else {
if yyq2[0] {
z.EncSendContainerState(codecSelfer_containerMapKey1234)
r.EncodeString(codecSelferC_UTF81234, string("metadata"))
z.EncSendContainerState(codecSelfer_containerMapValue1234)
yy6 := &x.ListMeta
yym7 := z.EncBinary()
_ = yym7
if false {
} else if z.HasExtensions() && z.EncExt(yy6) {
} else {
z.EncFallback(yy6)
}
}
}
if yyr2 || yy2arr2 {
z.EncSendContainerState(codecSelfer_containerArrayElem1234)
if x.Items == nil {
r.EncodeNil()
} else {
yym9 := z.EncBinary()
_ = yym9
if false {
} else {
h.encSliceMetadataOnlyObject(([]MetadataOnlyObject)(x.Items), e)
}
}
} else {
z.EncSendContainerState(codecSelfer_containerMapKey1234)
r.EncodeString(codecSelferC_UTF81234, string("items"))
z.EncSendContainerState(codecSelfer_containerMapValue1234)
if x.Items == nil {
r.EncodeNil()
} else {
yym10 := z.EncBinary()
_ = yym10
if false {
} else {
h.encSliceMetadataOnlyObject(([]MetadataOnlyObject)(x.Items), e)
}
}
}
if yyr2 || yy2arr2 {
z.EncSendContainerState(codecSelfer_containerArrayElem1234)
if yyq2[2] {
yym12 := z.EncBinary()
_ = yym12
if false {
} else {
r.EncodeString(codecSelferC_UTF81234, string(x.Kind))
}
} else {
r.EncodeString(codecSelferC_UTF81234, "")
}
} else {
if yyq2[2] {
z.EncSendContainerState(codecSelfer_containerMapKey1234)
r.EncodeString(codecSelferC_UTF81234, string("kind"))
z.EncSendContainerState(codecSelfer_containerMapValue1234)
yym13 := z.EncBinary()
_ = yym13
if false {
} else {
r.EncodeString(codecSelferC_UTF81234, string(x.Kind))
}
}
}
if yyr2 || yy2arr2 {
z.EncSendContainerState(codecSelfer_containerArrayElem1234)
if yyq2[3] {
yym15 := z.EncBinary()
_ = yym15
if false {
} else {
r.EncodeString(codecSelferC_UTF81234, string(x.APIVersion))
}
} else {
r.EncodeString(codecSelferC_UTF81234, "")
}
} else {
if yyq2[3] {
z.EncSendContainerState(codecSelfer_containerMapKey1234)
r.EncodeString(codecSelferC_UTF81234, string("apiVersion"))
z.EncSendContainerState(codecSelfer_containerMapValue1234)
yym16 := z.EncBinary()
_ = yym16
if false {
} else {
r.EncodeString(codecSelferC_UTF81234, string(x.APIVersion))
}
}
}
if yyr2 || yy2arr2 {
z.EncSendContainerState(codecSelfer_containerArrayEnd1234)
} else {
z.EncSendContainerState(codecSelfer_containerMapEnd1234)
}
}
}
}
func (x *MetadataOnlyObjectList) CodecDecodeSelf(d *codec1978.Decoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
yym1 := z.DecBinary()
_ = yym1
if false {
} else if z.HasExtensions() && z.DecExt(x) {
} else {
yyct2 := r.ContainerType()
if yyct2 == codecSelferValueTypeMap1234 {
yyl2 := r.ReadMapStart()
if yyl2 == 0 {
z.DecSendContainerState(codecSelfer_containerMapEnd1234)
} else {
x.codecDecodeSelfFromMap(yyl2, d)
}
} else if yyct2 == codecSelferValueTypeArray1234 {
yyl2 := r.ReadArrayStart()
if yyl2 == 0 {
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
} else {
x.codecDecodeSelfFromArray(yyl2, d)
}
} else {
panic(codecSelferOnlyMapOrArrayEncodeToStructErr1234)
}
}
}
func (x *MetadataOnlyObjectList) codecDecodeSelfFromMap(l int, d *codec1978.Decoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
var yys3Slc = z.DecScratchBuffer() // default slice to decode into
_ = yys3Slc
var yyhl3 bool = l >= 0
for yyj3 := 0; ; yyj3++ {
if yyhl3 {
if yyj3 >= l {
break
}
} else {
if r.CheckBreak() {
break
}
}
z.DecSendContainerState(codecSelfer_containerMapKey1234)
yys3Slc = r.DecodeBytes(yys3Slc, true, true)
yys3 := string(yys3Slc)
z.DecSendContainerState(codecSelfer_containerMapValue1234)
switch yys3 {
case "metadata":
if r.TryDecodeAsNil() {
x.ListMeta = pkg1_unversioned.ListMeta{}
} else {
yyv4 := &x.ListMeta
yym5 := z.DecBinary()
_ = yym5
if false {
} else if z.HasExtensions() && z.DecExt(yyv4) {
} else {
z.DecFallback(yyv4, false)
}
}
case "items":
if r.TryDecodeAsNil() {
x.Items = nil
} else {
yyv6 := &x.Items
yym7 := z.DecBinary()
_ = yym7
if false {
} else {
h.decSliceMetadataOnlyObject((*[]MetadataOnlyObject)(yyv6), d)
}
}
case "kind":
if r.TryDecodeAsNil() {
x.Kind = ""
} else {
x.Kind = string(r.DecodeString())
}
case "apiVersion":
if r.TryDecodeAsNil() {
x.APIVersion = ""
} else {
x.APIVersion = string(r.DecodeString())
}
default:
z.DecStructFieldNotFound(-1, yys3)
} // end switch yys3
} // end for yyj3
z.DecSendContainerState(codecSelfer_containerMapEnd1234)
}
func (x *MetadataOnlyObjectList) codecDecodeSelfFromArray(l int, d *codec1978.Decoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
var yyj10 int
var yyb10 bool
var yyhl10 bool = l >= 0
yyj10++
if yyhl10 {
yyb10 = yyj10 > l
} else {
yyb10 = r.CheckBreak()
}
if yyb10 {
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
return
}
z.DecSendContainerState(codecSelfer_containerArrayElem1234)
if r.TryDecodeAsNil() {
x.ListMeta = pkg1_unversioned.ListMeta{}
} else {
yyv11 := &x.ListMeta
yym12 := z.DecBinary()
_ = yym12
if false {
} else if z.HasExtensions() && z.DecExt(yyv11) {
} else {
z.DecFallback(yyv11, false)
}
}
yyj10++
if yyhl10 {
yyb10 = yyj10 > l
} else {
yyb10 = r.CheckBreak()
}
if yyb10 {
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
return
}
z.DecSendContainerState(codecSelfer_containerArrayElem1234)
if r.TryDecodeAsNil() {
x.Items = nil
} else {
yyv13 := &x.Items
yym14 := z.DecBinary()
_ = yym14
if false {
} else {
h.decSliceMetadataOnlyObject((*[]MetadataOnlyObject)(yyv13), d)
}
}
yyj10++
if yyhl10 {
yyb10 = yyj10 > l
} else {
yyb10 = r.CheckBreak()
}
if yyb10 {
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
return
}
z.DecSendContainerState(codecSelfer_containerArrayElem1234)
if r.TryDecodeAsNil() {
x.Kind = ""
} else {
x.Kind = string(r.DecodeString())
}
yyj10++
if yyhl10 {
yyb10 = yyj10 > l
} else {
yyb10 = r.CheckBreak()
}
if yyb10 {
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
return
}
z.DecSendContainerState(codecSelfer_containerArrayElem1234)
if r.TryDecodeAsNil() {
x.APIVersion = ""
} else {
x.APIVersion = string(r.DecodeString())
}
for {
yyj10++
if yyhl10 {
yyb10 = yyj10 > l
} else {
yyb10 = r.CheckBreak()
}
if yyb10 {
break
}
z.DecSendContainerState(codecSelfer_containerArrayElem1234)
z.DecStructFieldNotFound(yyj10-1, "")
}
z.DecSendContainerState(codecSelfer_containerArrayEnd1234)
}
func (x codecSelfer1234) encSliceMetadataOnlyObject(v []MetadataOnlyObject, e *codec1978.Encoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperEncoder(e)
_, _, _ = h, z, r
r.EncodeArrayStart(len(v))
for _, yyv1 := range v {
z.EncSendContainerState(codecSelfer_containerArrayElem1234)
yy2 := &yyv1
yy2.CodecEncodeSelf(e)
}
z.EncSendContainerState(codecSelfer_containerArrayEnd1234)
}
func (x codecSelfer1234) decSliceMetadataOnlyObject(v *[]MetadataOnlyObject, d *codec1978.Decoder) {
var h codecSelfer1234
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
yyv1 := *v
yyh1, yyl1 := z.DecSliceHelperStart()
var yyc1 bool
_ = yyc1
if yyl1 == 0 {
if yyv1 == nil {
yyv1 = []MetadataOnlyObject{}
yyc1 = true
} else if len(yyv1) != 0 {
yyv1 = yyv1[:0]
yyc1 = true
}
} else if yyl1 > 0 {
var yyrr1, yyrl1 int
var yyrt1 bool
_, _ = yyrl1, yyrt1
yyrr1 = yyl1 // len(yyv1)
if yyl1 > cap(yyv1) {
yyrg1 := len(yyv1) > 0
yyv21 := yyv1
yyrl1, yyrt1 = z.DecInferLen(yyl1, z.DecBasicHandle().MaxInitLen, 240)
if yyrt1 {
if yyrl1 <= cap(yyv1) {
yyv1 = yyv1[:yyrl1]
} else {
yyv1 = make([]MetadataOnlyObject, yyrl1)
}
} else {
yyv1 = make([]MetadataOnlyObject, yyrl1)
}
yyc1 = true
yyrr1 = len(yyv1)
if yyrg1 {
copy(yyv1, yyv21)
}
} else if yyl1 != len(yyv1) {
yyv1 = yyv1[:yyl1]
yyc1 = true
}
yyj1 := 0
for ; yyj1 < yyrr1; yyj1++ {
yyh1.ElemContainerState(yyj1)
if r.TryDecodeAsNil() {
yyv1[yyj1] = MetadataOnlyObject{}
} else {
yyv2 := &yyv1[yyj1]
yyv2.CodecDecodeSelf(d)
}
}
if yyrt1 {
for ; yyj1 < yyl1; yyj1++ {
yyv1 = append(yyv1, MetadataOnlyObject{})
yyh1.ElemContainerState(yyj1)
if r.TryDecodeAsNil() {
yyv1[yyj1] = MetadataOnlyObject{}
} else {
yyv3 := &yyv1[yyj1]
yyv3.CodecDecodeSelf(d)
}
}
}
} else {
yyj1 := 0
for ; !r.CheckBreak(); yyj1++ {
if yyj1 >= len(yyv1) {
yyv1 = append(yyv1, MetadataOnlyObject{}) // var yyz1 MetadataOnlyObject
yyc1 = true
}
yyh1.ElemContainerState(yyj1)
if yyj1 < len(yyv1) {
if r.TryDecodeAsNil() {
yyv1[yyj1] = MetadataOnlyObject{}
} else {
yyv4 := &yyv1[yyj1]
yyv4.CodecDecodeSelf(d)
}
} else {
z.DecSwallow()
}
}
if yyj1 < len(yyv1) {
yyv1 = yyv1[:yyj1]
yyc1 = true
} else if yyj1 == 0 && yyv1 == nil {
yyv1 = []MetadataOnlyObject{}
yyc1 = true
}
}
yyh1.End()
if yyc1 {
*v = yyv1
}
}

40
pkg/controller/garbagecollector/metaonly/types.go Normal file
View File

@ -0,0 +1,40 @@
/*
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 (
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/api/v1"
)
// MetadataOnlyObject allows decoding only the apiVersion, kind, and metadata fields of
// JSON data.
// TODO: enable meta-only decoding for protobuf.
type MetadataOnlyObject struct {
unversioned.TypeMeta `json:",inline"`
v1.ObjectMeta `json:"metadata,omitempty"`
}
// MetadataOnlyObjectList allows decoding from JSON data only the typemeta and metadata of
// a list, and those of the enclosing objects.
// TODO: enable meta-only decoding for protobuf.
type MetadataOnlyObjectList struct {
unversioned.TypeMeta `json:",inline"`
unversioned.ListMeta `json:"metadata,omitempty"`
Items []MetadataOnlyObject `json:"items"`
}

2
pkg/controller/namespace/namespace_controller_test.go
View File

@ -272,7 +272,7 @@ func (f *fakeActionHandler) ServeHTTP(response http.ResponseWriter, request *htt
f.actions = append(f.actions, fakeAction{method: request.Method, path: request.URL.Path})
response.Header().Set("Content-Type", runtime.ContentTypeJSON)
response.WriteHeader(f.statusCode)
response.Write([]byte("{\"kind\": \"List\"}"))
response.Write([]byte("{\"kind\": \"List\",\"items\":null}"))
}
// testGroupVersionResources returns a mocked up set of resources across different api groups for testing namespace controller.

6
pkg/controller/namespace/namespace_controller_utils.go
View File

@ -195,8 +195,12 @@ func listCollection(
}
apiResource := unversioned.APIResource{Name: gvr.Resource, Namespaced: true}
unstructuredList, err := dynamicClient.Resource(&apiResource, namespace).List(&v1.ListOptions{})
obj, err := dynamicClient.Resource(&apiResource, namespace).List(&v1.ListOptions{})
if err == nil {
unstructuredList, ok := obj.(*runtime.UnstructuredList)
if !ok {
return nil, false, fmt.Errorf("resource: %s, expected *runtime.UnstructuredList, got %#v", apiResource.Name, obj)
}
return unstructuredList, true, nil
}

6
pkg/runtime/codec.go
View File

@ -80,14 +80,16 @@ func EncodeOrDie(e Encoder, obj Object) string {
// invokes the ObjectCreator to instantiate a new gvk. Returns an error if the typer cannot find the object.
func UseOrCreateObject(t ObjectTyper, c ObjectCreater, gvk unversioned.GroupVersionKind, obj Object) (Object, error) {
if obj != nil {
into, _, err := t.ObjectKinds(obj)
kinds, _, err := t.ObjectKinds(obj)
if err != nil {
return nil, err
}
if gvk == into[0] {
for _, kind := range kinds {
if gvk == kind {
return obj, nil
}
}
}
return c.New(gvk)
}

5
pkg/runtime/scheme.go
View File

@ -211,6 +211,11 @@ func (s *Scheme) KnownTypes(gv unversioned.GroupVersion) map[string]reflect.Type
return types
}
// AllKnownTypes returns the all known types.
func (s *Scheme) AllKnownTypes() map[unversioned.GroupVersionKind]reflect.Type {
return s.gvkToType
}
// ObjectKind returns the group,version,kind of the go object and true if this object
// is considered unversioned, or an error if it's not a pointer or is unregistered.
func (s *Scheme) ObjectKind(obj Object) (unversioned.GroupVersionKind, bool, error) {

1
pkg/runtime/unstructured.go
View File

@ -95,6 +95,7 @@ func (s unstructuredJSONScheme) decode(data []byte) (Object, error) {
err := s.decodeToUnstructured(data, unstruct)
return unstruct, err
}
func (s unstructuredJSONScheme) decodeInto(data []byte, obj Object) error {
switch x := obj.(type) {
case *Unstructured:

6
test/integration/client/dynamic_client_test.go
View File

@ -92,7 +92,11 @@ func TestDynamicClient(t *testing.T) {
}
// check dynamic list
unstructuredList, err := dynamicClient.Resource(&resource, ns.Name).List(&v1.ListOptions{})
obj, err := dynamicClient.Resource(&resource, ns.Name).List(&v1.ListOptions{})
unstructuredList, ok := obj.(*runtime.UnstructuredList)
if !ok {
t.Fatalf("expected *runtime.UnstructuredList, got %#v", obj)
}
if err != nil {
t.Fatalf("unexpected error when listing pods: %v", err)
}

12
test/integration/garbagecollector/garbage_collector_test.go
View File

@ -35,7 +35,9 @@ import (
"k8s.io/kubernetes/pkg/client/restclient"
"k8s.io/kubernetes/pkg/client/typed/dynamic"
"k8s.io/kubernetes/pkg/controller/garbagecollector"
"k8s.io/kubernetes/pkg/controller/garbagecollector/metaonly"
"k8s.io/kubernetes/pkg/registry/generic/registry"
"k8s.io/kubernetes/pkg/runtime/serializer"
"k8s.io/kubernetes/pkg/types"
"k8s.io/kubernetes/pkg/util/wait"
"k8s.io/kubernetes/test/integration/framework"
@ -127,8 +129,12 @@ func setup(t *testing.T) (*httptest.Server, *garbagecollector.GarbageCollector,
if err != nil {
t.Fatalf("Failed to get supported resources from server: %v", err)
}
clientPool := dynamic.NewClientPool(&restclient.Config{Host: s.URL}, dynamic.LegacyAPIPathResolverFunc)
gc, err := garbagecollector.NewGarbageCollector(clientPool, groupVersionResources)
config := &restclient.Config{Host: s.URL}
config.ContentConfig.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: metaonly.NewMetadataCodecFactory()}
metaOnlyClientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
config.ContentConfig.NegotiatedSerializer = nil
clientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
gc, err := garbagecollector.NewGarbageCollector(metaOnlyClientPool, clientPool, groupVersionResources)
if err != nil {
t.Fatalf("Failed to create garbage collector")
}
@ -215,7 +221,7 @@ func TestCascadingDeletion(t *testing.T) {
// sometimes the deletion of the RC takes long time to be observed by
// the gc, so wait for the garbage collector to observe the deletion of
// the toBeDeletedRC
if err := wait.Poll(10*time.Second, 120*time.Second, func() (bool, error) {
if err := wait.Poll(10*time.Second, 60*time.Second, func() (bool, error) {
return !gc.GraphHasUID([]types.UID{toBeDeletedRC.ObjectMeta.UID}), nil
}); err != nil {
t.Fatal(err)