Add object-search controller to \pkg\globalmanager\controllers

Signed-off-by: EnfangCui <[email protected]>

pkg/globalmanager/controllers/objectsearch/downstream.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2021 The KubeEdge 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 objectsearch
+
+import (
+	//"fmt"
+
+	//"k8s.io/apimachinery/pkg/watch"
+
+	//sednav1 "github.com/kubeedge/sedna/pkg/apis/sedna/v1alpha1"
+	"github.com/kubeedge/sedna/pkg/globalmanager/runtime"
+)
+
+// func (c *Controller) syncToEdge(eventType watch.EventType, obj interface{}) error {
+// 	joint, ok := obj.(*sednav1.JointInferenceService)
+// 	if !ok {
+// 		return nil
+// 	}
+
+// 	// Since Kind may be empty,
+// 	// we need to fix the kind here if missing.
+// 	// more details at https://github.com/kubernetes/kubernetes/issues/3030
+// 	joint.Kind = KindName
+
+// 	// Here only propagate to the nodes with non empty name
+// 	// FIXME: only the case that Spec.NodeName specified is support
+// 	nodeName := joint.Spec.EdgeWorker.Template.Spec.NodeName
+// 	if len(nodeName) == 0 {
+// 		return fmt.Errorf("empty node name")
+// 	}
+
+// 	if len(joint.Kind) == 0 {
+// 		joint.Kind = KindName
+// 	}
+// 	return c.sendToEdgeFunc(nodeName, eventType, joint)
+// }
+
+func (c *Controller) SetDownstreamSendFunc(f runtime.DownstreamSendFunc) error {
+	c.sendToEdgeFunc = f
+
+	return nil
+}