feat: add rest storage of SyncClusterResources and TransformRule

pkg/registry/search/storage_provider.go

@@ -21,6 +21,9 @@ import (
 
 	"github.com/KusionStack/karbour/pkg/apis/search"
 	"github.com/KusionStack/karbour/pkg/registry"
+	"github.com/KusionStack/karbour/pkg/registry/search/syncclusterresources"
+	"github.com/KusionStack/karbour/pkg/registry/search/transformrule"
+	"github.com/KusionStack/karbour/pkg/registry/search/uniresource"
 	"github.com/KusionStack/karbour/pkg/scheme"
 	"github.com/KusionStack/karbour/pkg/search/storage"
 	"github.com/KusionStack/karbour/pkg/search/storage/elasticsearch"
@@ -60,11 +63,25 @@ func (p RESTStorageProvider) NewRESTStorage(restOptionsGetter generic.RESTOption
 
 func (p RESTStorageProvider) v1beta1Storage(restOptionsGetter generic.RESTOptionsGetter, searchStorageGetter storage.SearchStorageGetter) (map[string]rest.Storage, error) {
 	v1beta1Storage := map[string]rest.Storage{}
-	uniResourceStorage, err := NewUniResourceREST(searchStorageGetter)
+	uniResourceStorage, err := uniresource.NewREST(searchStorageGetter)
 	if err != nil {
-		return v1beta1Storage, err
+		return map[string]rest.Storage{}, err
 	}
 	v1beta1Storage["uniresources"] = uniResourceStorage
+
+	syncClusterResources, syncClusterResourcesStatus, err := syncclusterresources.NewREST(restOptionsGetter)
+	if err != nil {
+		return map[string]rest.Storage{}, err
+	}
+	v1beta1Storage["syncclusterresources"] = syncClusterResources
+	v1beta1Storage["syncclusterresources/status"] = syncClusterResourcesStatus
+
+	transformRule, err := transformrule.NewREST(restOptionsGetter)
+	if err != nil {
+		return map[string]rest.Storage{}, err
+	}
+	v1beta1Storage["transformrules"] = transformRule
+
 	return v1beta1Storage, nil
 }
 

pkg/registry/search/syncclusterresources/storage.go

@@ -0,0 +1,96 @@
+/*
+Copyright The Karbour 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 syncclusterresources
+
+import (
+	"context"
+
+	"github.com/KusionStack/karbour/pkg/apis/search"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apiserver/pkg/registry/generic"
+	genericregistry "k8s.io/apiserver/pkg/registry/generic/registry"
+	"k8s.io/apiserver/pkg/registry/rest"
+	"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
+)
+
+// NewREST returns a RESTStorage object that will work against API services.
+func NewREST(optsGetter generic.RESTOptionsGetter) (*REST, *StatusREST, error) {
+	store := &genericregistry.Store{
+		NewFunc:                  func() runtime.Object { return &search.SyncClustersResources{} },
+		NewListFunc:              func() runtime.Object { return &search.SyncClustersResourcesList{} },
+		DefaultQualifiedResource: search.Resource("syncclusterresources"),
+		CreateStrategy:           Strategy,
+		UpdateStrategy:           Strategy,
+		DeleteStrategy:           Strategy,
+		TableConvertor:           rest.NewDefaultTableConvertor(search.Resource("syncclusterresources")),
+	}
+	options := &generic.StoreOptions{RESTOptions: optsGetter, AttrFunc: GetAttrs}
+	if err := store.CompleteWithOptions(options); err != nil {
+		return nil, nil, err
+	}
+
+	statusStore := *store
+	statusStore.UpdateStrategy = StatusStartegy
+
+	return &REST{store}, &StatusREST{&statusStore}, nil
+}
+
+type REST struct {
+	*genericregistry.Store
+}
+
+// ShortNames implements the ShortNamesProvider interface. Returns a list of short names for a resource.
+func (r *REST) ShortNames() []string {
+	return []string{"scr"}
+}
+
+type StatusREST struct {
+	Store *genericregistry.Store
+}
+
+// New returns empty object.
+func (r *StatusREST) New() runtime.Object {
+	return &search.SyncClustersResources{}
+}
+
+// Destroy cleans up resources on shutdown.
+func (r *StatusREST) Destroy() {
+	// Given that underlying store is shared with REST,
+	// we don't destroy it here explicitly.
+}
+
+// Get retrieves the object from the storage. It is required to support Patch.
+func (r *StatusREST) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
+	return r.Store.Get(ctx, name, options)
+}
+
+// Update alters the status subset of an object.
+func (r *StatusREST) Update(ctx context.Context, name string, objInfo rest.UpdatedObjectInfo, createValidation rest.ValidateObjectFunc, updateValidation rest.ValidateObjectUpdateFunc, forceAllowCreate bool, options *metav1.UpdateOptions) (runtime.Object, bool, error) {
+	// We are explicitly setting forceAllowCreate to false in the call to the underlying storage because
+	// subresources should never allow create on update.
+	return r.Store.Update(ctx, name, objInfo, createValidation, updateValidation, false, options)
+}
+
+// GetResetFields implements rest.ResetFieldsStrategy
+func (r *StatusREST) GetResetFields() map[fieldpath.APIVersion]*fieldpath.Set {
+	return r.Store.GetResetFields()
+}
+
+func (r *StatusREST) ConvertToTable(ctx context.Context, object runtime.Object, tableOptions runtime.Object) (*metav1.Table, error) {
+	return r.Store.ConvertToTable(ctx, object, tableOptions)
+}

pkg/registry/search/syncclusterresources/strategy.go

@@ -0,0 +1,115 @@
+/*
+Copyright The Karbour 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 syncclusterresources
+
+import (
+	"context"
+	"fmt"
+
+	"k8s.io/apimachinery/pkg/fields"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	"k8s.io/apiserver/pkg/registry/generic"
+	"k8s.io/apiserver/pkg/storage/names"
+
+	"github.com/KusionStack/karbour/pkg/apis/search"
+	"github.com/KusionStack/karbour/pkg/scheme"
+)
+
+var Strategy = strategy{scheme.Scheme, names.SimpleNameGenerator}
+
+// GetAttrs returns labels.Set, fields.Set, and error in case the given runtime.Object is not a Fischer
+func GetAttrs(obj runtime.Object) (labels.Set, fields.Set, error) {
+	apiserver, ok := obj.(*search.SyncClustersResources)
+	if !ok {
+		return nil, nil, fmt.Errorf("given object is not a Fischer")
+	}
+	return labels.Set(apiserver.ObjectMeta.Labels), SelectableFields(apiserver), nil
+}
+
+// SelectableFields returns a field set that represents the object.
+func SelectableFields(obj *search.SyncClustersResources) fields.Set {
+	return generic.ObjectMetaFieldsSet(&obj.ObjectMeta, false)
+}
+
+type strategy struct {
+	runtime.ObjectTyper
+	names.NameGenerator
+}
+
+func (strategy) NamespaceScoped() bool {
+	return false
+}
+
+func (strategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
+	obj.(*search.SyncClustersResources).Status = search.SyncClustersResourcesStatus{}
+}
+
+func (strategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
+	obj.(*search.SyncClustersResources).Status = old.(*search.SyncClustersResources).Status
+}
+
+func (strategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
+	return field.ErrorList{}
+}
+
+// WarningsOnCreate returns warnings for the creation of the given object.
+func (strategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string {
+	return nil
+}
+
+func (strategy) AllowCreateOnUpdate() bool {
+	return false
+}
+
+func (strategy) AllowUnconditionalUpdate() bool {
+	return false
+}
+
+func (strategy) Canonicalize(obj runtime.Object) {
+}
+
+func (strategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
+	return field.ErrorList{}
+}
+
+// WarningsOnUpdate returns warnings for the given update.
+func (strategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
+	return nil
+}
+
+type statusStrategy struct {
+	strategy
+}
+
+var StatusStartegy = statusStrategy{Strategy}
+
+// PrepareForUpdate clears fields that are not allowed to be set by end users on update of status
+func (statusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
+	obj.(*search.SyncClustersResources).Spec = old.(*search.SyncClustersResources).Spec
+}
+
+// ValidateUpdate is the default update validation for an end user updating status
+func (statusStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
+	return field.ErrorList{}
+}
+
+// WarningsOnUpdate returns warnings for the given update.
+func (statusStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
+	return nil
+}

pkg/registry/search/transformrule/storage.go

@@ -0,0 +1,52 @@
+/*
+Copyright The Karbour 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 transformrule
+
+import (
+	"github.com/KusionStack/karbour/pkg/apis/search"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apiserver/pkg/registry/generic"
+	genericregistry "k8s.io/apiserver/pkg/registry/generic/registry"
+	"k8s.io/apiserver/pkg/registry/rest"
+)
+
+// NewREST returns a RESTStorage object that will work against API services.
+func NewREST(optsGetter generic.RESTOptionsGetter) (*REST, error) {
+	store := &genericregistry.Store{
+		NewFunc:                  func() runtime.Object { return &search.TransformRule{} },
+		NewListFunc:              func() runtime.Object { return &search.TransformRuleList{} },
+		DefaultQualifiedResource: search.Resource("transformrules"),
+		CreateStrategy:           Strategy,
+		UpdateStrategy:           Strategy,
+		DeleteStrategy:           Strategy,
+		TableConvertor:           rest.NewDefaultTableConvertor(search.Resource("transformrules")),
+	}
+	options := &generic.StoreOptions{RESTOptions: optsGetter, AttrFunc: GetAttrs}
+	if err := store.CompleteWithOptions(options); err != nil {
+		return nil, err
+	}
+	return &REST{store}, nil
+}
+
+type REST struct {
+	*genericregistry.Store
+}
+
+// ShortNames implements the ShortNamesProvider interface. Returns a list of short names for a resource.
+func (r *REST) ShortNames() []string {
+	return []string{"tfr"}
+}

pkg/registry/search/transformrule/strategy.go

@@ -0,0 +1,92 @@
+/*
+Copyright The Karbour 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 transformrule
+
+import (
+	"context"
+	"fmt"
+
+	"k8s.io/apimachinery/pkg/fields"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	"k8s.io/apiserver/pkg/registry/generic"
+	"k8s.io/apiserver/pkg/storage/names"
+
+	"github.com/KusionStack/karbour/pkg/apis/search"
+	"github.com/KusionStack/karbour/pkg/scheme"
+)
+
+var Strategy = strategy{scheme.Scheme, names.SimpleNameGenerator}
+
+// GetAttrs returns labels.Set, fields.Set, and error in case the given runtime.Object is not a Fischer
+func GetAttrs(obj runtime.Object) (labels.Set, fields.Set, error) {
+	apiserver, ok := obj.(*search.TransformRule)
+	if !ok {
+		return nil, nil, fmt.Errorf("given object is not a Fischer")
+	}
+	return labels.Set(apiserver.ObjectMeta.Labels), SelectableFields(apiserver), nil
+}
+
+// SelectableFields returns a field set that represents the object.
+func SelectableFields(obj *search.TransformRule) fields.Set {
+	return generic.ObjectMetaFieldsSet(&obj.ObjectMeta, false)
+}
+
+type strategy struct {
+	runtime.ObjectTyper
+	names.NameGenerator
+}
+
+func (strategy) NamespaceScoped() bool {
+	return false
+}
+
+func (strategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
+}
+
+func (strategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
+}
+
+func (strategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
+	return field.ErrorList{}
+}
+
+// WarningsOnCreate returns warnings for the creation of the given object.
+func (strategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string {
+	return nil
+}
+
+func (strategy) AllowCreateOnUpdate() bool {
+	return false
+}
+
+func (strategy) AllowUnconditionalUpdate() bool {
+	return false
+}
+
+func (strategy) Canonicalize(obj runtime.Object) {
+}
+
+func (strategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
+	return field.ErrorList{}
+}
+
+// WarningsOnUpdate returns warnings for the given update.
+func (strategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
+	return nil
+}