Add metering api.

Signed-off-by: yunkunrao <yunkunrao@yunify.com>

pkg/kapis/metering/v1alpha1/handler.go

@@ -0,0 +1,45 @@
+/*
+
+ Copyright 2019 The KubeSphere 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 v1alpha1
+
+import (
+	"github.com/emicklei/go-restful"
+	"k8s.io/client-go/kubernetes"
+	"kubesphere.io/kubesphere/pkg/informers"
+	monitorhle "kubesphere.io/kubesphere/pkg/kapis/monitoring/v1alpha3"
+	resourcev1alpha3 "kubesphere.io/kubesphere/pkg/models/resources/v1alpha3/resource"
+	"kubesphere.io/kubesphere/pkg/simple/client/monitoring"
+	"kubesphere.io/kubesphere/pkg/simple/client/openpitrix"
+)
+
+type meterHandler interface {
+	HandleClusterMetersQuery(req *restful.Request, resp *restful.Response)
+	HandleNodeMetersQuery(req *restful.Request, resp *restful.Response)
+	HandleWorkspaceMetersQuery(req *restful.Request, resp *restful.Response)
+	HandleNamespaceMetersQuery(re *restful.Request, resp *restful.Response)
+	HandleWorkloadMetersQuery(req *restful.Request, resp *restful.Response)
+	HandleApplicationMetersQuery(req *restful.Request, resp *restful.Response)
+	HandlePodMetersQuery(req *restful.Request, resp *restful.Response)
+	HandleServiceMetersQuery(req *restful.Request, resp *restful.Response)
+	HandlePVCMetersQuery(req *restful.Request, resp *restful.Response)
+}
+
+func newHandler(k kubernetes.Interface, m monitoring.Interface, f informers.InformerFactory, o openpitrix.Client, resourceGetter *resourcev1alpha3.ResourceGetter) meterHandler {
+	return monitorhle.NewHandler(k, m, nil, f, o, resourceGetter)
+}