Add metering api.

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

pkg/kapis/tenant/v1alpha2/metering.go

@@ -0,0 +1,86 @@
+package v1alpha2
+
+import (
+	"fmt"
+
+	"github.com/emicklei/go-restful"
+	"k8s.io/klog"
+	"kubesphere.io/kubesphere/pkg/api"
+	meteringv1alpha1 "kubesphere.io/kubesphere/pkg/api/metering/v1alpha1"
+	"kubesphere.io/kubesphere/pkg/apiserver/request"
+	monitoringv1alpha3 "kubesphere.io/kubesphere/pkg/kapis/monitoring/v1alpha3"
+	"kubesphere.io/kubesphere/pkg/models/metering"
+	"kubesphere.io/kubesphere/pkg/models/monitoring"
+	monitoringclient "kubesphere.io/kubesphere/pkg/simple/client/monitoring"
+)
+
+func (h *tenantHandler) QueryMeterings(req *restful.Request, resp *restful.Response) {
+
+	u, ok := request.UserFrom(req.Request.Context())
+	if !ok {
+		err := fmt.Errorf("cannot obtain user info")
+		klog.Errorln(err)
+		api.HandleForbidden(resp, req, err)
+		return
+	}
+
+	q := meteringv1alpha1.ParseQueryParameter(req)
+
+	res, err := h.tenant.Metering(u, q)
+	if err != nil {
+		api.HandleBadRequest(resp, nil, err)
+		return
+	}
+
+	if q.Operation == monitoringv1alpha3.OperationExport {
+		monitoringv1alpha3.ExportMetrics(resp, res)
+		return
+	}
+
+	resp.WriteAsJson(res)
+}
+
+func (h *tenantHandler) QueryMeteringsHierarchy(req *restful.Request, resp *restful.Response) {
+	u, ok := request.UserFrom(req.Request.Context())
+	if !ok {
+		err := fmt.Errorf("cannot obtain user info")
+		klog.Errorln(err)
+		api.HandleForbidden(resp, req, err)
+		return
+	}
+
+	q := meteringv1alpha1.ParseQueryParameter(req)
+	q.Level = monitoringclient.LevelPod
+
+	resourceStats, err := h.tenant.MeteringHierarchy(u, q)
+	if err != nil {
+		api.HandleBadRequest(resp, nil, err)
+		return
+	}
+
+	resp.WriteAsJson(resourceStats)
+}
+
+func (h *tenantHandler) HandlePriceInfoQuery(req *restful.Request, resp *restful.Response) {
+
+	var priceInfoResponse metering.PriceInfo
+
+	meterConfig, err := monitoring.LoadYaml()
+	if err != nil {
+		klog.Error(err)
+		resp.WriteAsJson(priceInfoResponse)
+		return
+	}
+
+	priceInfo := meterConfig.GetPriceInfo()
+	priceInfoResponse.Currency = "CNY"
+	priceInfoResponse.CpuPerCorePerHour = priceInfo.CpuPerCorePerHour
+	priceInfoResponse.MemPerGigabytesPerHour = priceInfo.MemPerGigabytesPerHour
+	priceInfoResponse.IngressNetworkTrafficPerGiagabytesPerHour = priceInfo.IngressNetworkTrafficPerGiagabytesPerHour
+	priceInfoResponse.EgressNetworkTrafficPerGiagabytesPerHour = priceInfo.EgressNetworkTrafficPerGigabytesPerHour
+	priceInfoResponse.PvcPerGigabytesPerHour = priceInfo.PvcPerGigabytesPerHour
+
+	resp.WriteAsJson(priceInfoResponse)
+
+	return
+}