Initial commit

pkg/apiserver/metrics/metrics.go

@@ -0,0 +1,76 @@
+/*
+
+ 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 metrics
+
+import (
+	"github.com/emicklei/go-restful"
+	"kubesphere.io/kubesphere/pkg/errors"
+	"kubesphere.io/kubesphere/pkg/models/storage"
+)
+
+type scMetricsItem struct {
+	Name    string             `json:"name"`
+	Metrics *storage.ScMetrics `json:"metrics"`
+}
+
+// Get StorageClass item
+// Extended API URL: "GET /api/v1alpha1/storage/storageclasses/{storageclass}/metrics"
+func GetScMetrics(request *restful.Request, response *restful.Response) {
+	scName := request.PathParameter("storageclass")
+
+	metrics, err := storage.GetScMetrics(scName)
+
+	if errors.HandlerError(err, response) {
+		return
+	}
+
+	result := scMetricsItem{
+		Name: scName, Metrics: metrics,
+	}
+
+	response.WriteAsJson(result)
+}
+
+// Get StorageClass item list
+// Extended API URL: "GET /api/v1alpha1/storage/storageclasses/metrics"
+func GetScMetricsList(request *restful.Request, response *restful.Response) {
+	scList, err := storage.GetScList()
+
+	if errors.HandlerError(err, response) {
+		return
+	}
+
+	// Set return value
+	items := make([]scMetricsItem, 0)
+
+	for _, v := range scList {
+		metrics, err := storage.GetScMetrics(v.GetName())
+
+		if errors.HandlerError(err, response) {
+			return
+		}
+
+		item := scMetricsItem{
+			Name: v.GetName(), Metrics: metrics,
+		}
+
+		items = append(items, item)
+	}
+
+	response.WriteAsJson(items)
+}