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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /* | ||
| Copyright 2024 The OpenYurt 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 sharecache | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "sync" | ||
|
|
||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| kstorage "k8s.io/apiserver/pkg/storage" | ||
| "k8s.io/apiserver/pkg/storage/cacher" | ||
| "k8s.io/client-go/kubernetes/scheme" | ||
| ) | ||
|
|
||
| type Interface interface { | ||
| Watch(ctx context.Context, key string, opts kstorage.ListOptions) (watch.Interface, error) | ||
| GetList(ctx context.Context, key string, opts kstorage.ListOptions, listObj runtime.Object) error | ||
| } | ||
|
|
||
| type ResourceCacheConfig struct { | ||
| KeyFunc func(runtime.Object) (string, error) | ||
| NewFunc func() runtime.Object | ||
| NewListFunc func() runtime.Object | ||
| GetAttrsFunc kstorage.AttrFunc | ||
| NamespaceScoped bool | ||
| } | ||
|
|
||
| func NewResourceCache( | ||
| s kstorage.Interface, | ||
| resource *schema.GroupVersionResource, | ||
| config *ResourceCacheConfig) (Interface, func(), error) { | ||
|
|
||
| cacheConfig := cacher.Config{ | ||
| Storage: s, | ||
| Versioner: kstorage.APIObjectVersioner{}, | ||
| GroupResource: resource.GroupResource(), | ||
| KeyFunc: config.KeyFunc, | ||
| NewFunc: config.NewFunc, | ||
| NewListFunc: config.NewListFunc, | ||
| GetAttrsFunc: config.GetAttrsFunc, | ||
| Codec: scheme.Codecs.LegacyCodec(resource.GroupVersion()), | ||
| } | ||
|
|
||
| cacher, err := cacher.NewCacherFromConfig(cacheConfig) | ||
| if err != nil { | ||
| return nil, func() {}, fmt.Errorf("failed to new cacher from config, error: %v", err) | ||
| } | ||
|
|
||
| var once sync.Once | ||
| destroyFunc := func() { | ||
| once.Do(func() { | ||
| cacher.Stop() | ||
| }) | ||
| } | ||
|
|
||
| return cacher, destroyFunc, nil | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| /* | ||
| Copyright 2024 The OpenYurt 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 sharecache | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| v1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/api/meta" | ||
| "k8s.io/apimachinery/pkg/fields" | ||
| "k8s.io/apimachinery/pkg/labels" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| "k8s.io/apiserver/pkg/endpoints/request" | ||
| "k8s.io/apiserver/pkg/registry/generic/registry" | ||
| "k8s.io/apiserver/pkg/storage" | ||
|
|
||
| ystorage "github.com/openyurtio/openyurt/pkg/yurthub/sharecache/storage" | ||
| ) | ||
|
|
||
| var serviceKeyFunc = func(obj runtime.Object) (string, error) { | ||
| accessor, err := meta.Accessor(obj) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| return registry.NamespaceKeyFunc(request.WithNamespace(request.NewContext(), accessor.GetNamespace()), "", accessor.GetName()) | ||
| } | ||
|
|
||
| var newServiceFunc = func() runtime.Object { | ||
| return &v1.Service{} | ||
| } | ||
|
|
||
| var newServiceListFunc = func() runtime.Object { | ||
| return &v1.ServiceList{} | ||
| } | ||
|
|
||
| func TestResourceCache_GetList(t *testing.T) { | ||
| cache, _, err := NewResourceCache( | ||
| ystorage.NewFakeServiceStorage(), | ||
| serviceGVR, | ||
| &ResourceCacheConfig{ | ||
| serviceKeyFunc, | ||
| newServiceFunc, | ||
| newServiceListFunc, | ||
| storage.DefaultNamespaceScopedAttr, | ||
| true, | ||
| }, | ||
| ) | ||
|
|
||
| assert.Nil(t, err) | ||
| assertCacheGetList(t, cache) | ||
| } | ||
|
|
||
| func mockListOptions() storage.ListOptions { | ||
| return storage.ListOptions{ | ||
| ResourceVersion: "100", | ||
| Recursive: true, | ||
| Predicate: storage.SelectionPredicate{ | ||
| Label: labels.Everything(), | ||
| Field: fields.Everything(), | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func assertCacheGetList(t testing.TB, cache Interface) { | ||
| t.Helper() | ||
|
|
||
| serviceList := &v1.ServiceList{} | ||
| err := cache.GetList(context.Background(), "", mockListOptions(), serviceList) | ||
|
|
||
| assert.Nil(t, err) | ||
| assert.Equal(t, 1, len(serviceList.Items)) | ||
| } | ||
|
|
||
| func TestResourceCache_Watch(t *testing.T) { | ||
| fakeStorage := ystorage.NewFakeServiceStorage() | ||
|
|
||
| cache, _, err := NewResourceCache( | ||
| fakeStorage, | ||
| serviceGVR, | ||
| &ResourceCacheConfig{ | ||
| serviceKeyFunc, | ||
| newServiceFunc, | ||
| newServiceListFunc, | ||
| storage.DefaultNamespaceScopedAttr, | ||
| true, | ||
| }, | ||
| ) | ||
|
|
||
| assert.Nil(t, err) | ||
| assertCacheWatch(t, cache, fakeStorage) | ||
| } | ||
|
|
||
| func mockWatchOptions() storage.ListOptions { | ||
| var sendInitialEvents = true | ||
|
|
||
| return storage.ListOptions{ | ||
| ResourceVersion: "100", | ||
| Predicate: storage.SelectionPredicate{ | ||
| Label: labels.Everything(), | ||
| Field: fields.Everything(), | ||
| }, | ||
| Recursive: true, | ||
| SendInitialEvents: &sendInitialEvents, | ||
| } | ||
| } | ||
|
|
||
| func assertCacheWatch(t testing.TB, cache Interface, fs *ystorage.FakeServiceStorage) { | ||
| receive, err := cache.Watch(context.TODO(), "", mockWatchOptions()) | ||
|
|
||
| go func() { | ||
| fs.ModifyWatchObject() | ||
| }() | ||
|
|
||
| assert.Nil(t, err) | ||
| event := <-receive.ResultChan() | ||
| assert.Equal(t, watch.Modified, event.Type) | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| /* | ||
| Copyright 2024 The OpenYurt 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 sharecache | ||
|
|
||
| import ( | ||
| v1 "k8s.io/api/core/v1" | ||
| discovery "k8s.io/api/discovery/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apiserver/pkg/storage" | ||
|
|
||
| ystorage "github.com/openyurtio/openyurt/pkg/yurthub/sharecache/storage" | ||
| ) | ||
|
|
||
| var serviceGVR = &schema.GroupVersionResource{ | ||
| Group: "", | ||
| Version: "v1", | ||
| Resource: "services", | ||
| } | ||
|
|
||
| var endpointSliceGVR = &schema.GroupVersionResource{ | ||
| Group: "discovery.k8s.io", | ||
| Version: "v1", | ||
| Resource: "endpointslices", | ||
| } | ||
|
|
||
| type FakeCacheManager struct { | ||
| cacheMap map[string]Interface | ||
| resourceConfigMap map[string]*ResourceCacheConfig | ||
| } | ||
|
|
||
| func NewFakeCacheManager() *FakeCacheManager { | ||
| return &FakeCacheManager{ | ||
| map[string]Interface{ | ||
| serviceGVR.String(): ystorage.NewFakeServiceStorage(), | ||
| endpointSliceGVR.String(): ystorage.NewFakeEndpointSliceStorage(), | ||
| }, | ||
| map[string]*ResourceCacheConfig{ | ||
| serviceGVR.String(): { | ||
| KeyFunc: NamespaceKeyFunc, | ||
| NewListFunc: func() runtime.Object { | ||
| return &v1.ServiceList{} | ||
| }, | ||
| NewFunc: func() runtime.Object { | ||
| return &v1.Service{} | ||
| }, | ||
| GetAttrsFunc: storage.DefaultNamespaceScopedAttr, | ||
| }, | ||
| endpointSliceGVR.String(): { | ||
| KeyFunc: NamespaceKeyFunc, | ||
| NewListFunc: func() runtime.Object { | ||
| return &discovery.EndpointSliceList{} | ||
| }, | ||
| NewFunc: func() runtime.Object { | ||
| return &discovery.EndpointSlice{} | ||
| }, | ||
| GetAttrsFunc: storage.DefaultNamespaceScopedAttr, | ||
| }, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func (fcm *FakeCacheManager) ResourceCacheConfig(gvr *schema.GroupVersionResource) (*ResourceCacheConfig, error) { | ||
| return fcm.resourceConfigMap[gvr.String()], nil | ||
| } | ||
|
|
||
| func (fcm *FakeCacheManager) ResourceCache(gvr *schema.GroupVersionResource) (Interface, func(), error) { | ||
| return fcm.cacheMap[gvr.String()], nil, nil | ||
| } | ||
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