You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: util.go
    path of file: ./repos/openyurt/pkg/yurtmanager/controller/raven/util
    
    the code of the file until where you have to start completion: /*
Copyright 2023 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 govern
    
func CheckServer(ctx context.Context, client client.Client) (enableProxy, enableTunnel bool) {
	var cm corev1.ConfigMap
	enableTunnel = false
	enableProxy = false
	err := client.Get(ctx, types.NamespacedName{Namespace: WorkingNamespace, Name: RavenGlobalConfig}, &cm)
	if err != nil {
		return enableProxy, enableTunnel
	}
	if val, ok := cm.Data[RavenEnableProxy]; ok && strings.ToLower(val) == "true" {
		enableProxy = true
	}
	if val, ok := cm.Data[RavenEnableTunnel]; ok && strings.ToLower(val) == "true" {
		enableTunnel = true
	}
	return enableProxy, enableTunnel
}