--- /dev/null
+// -
+// ========================LICENSE_START=================================
+// O-RAN-SC
+// %%
+// Copyright (C) 2021: Nordix Foundation
+// %%
+// 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.
+// ========================LICENSE_END===================================
+//
+
+package sliceassurance
+
+import (
+ "encoding/json"
+ "fmt"
+ "net/http"
+ "time"
+
+ "oransc.org/usecase/oduclosedloop/internal/config"
+ "oransc.org/usecase/oduclosedloop/internal/restclient"
+ "oransc.org/usecase/oduclosedloop/internal/structures"
+ "oransc.org/usecase/oduclosedloop/messages"
+
+ log "github.com/sirupsen/logrus"
+)
+
+const (
+ THRESHOLD_TPUT = 7000
+ DEFAULT_DEDICATED_RATIO = 15
+ NEW_DEDICATED_RATIO = 25
+ NODE_ID = "O-DU-1122"
+)
+
+type App struct {
+ client *restclient.Client
+ metricsPolicies *structures.SliceAssuranceMeas
+}
+
+var dmaapMRUrl string
+var sDNRUrl string
+var sDNRUsername string
+var sDNRPassword string
+
+func (a *App) Initialize(config *config.Config) {
+ dmaapMRUrl = config.MRHost + ":" + config.MRPort
+ sDNRUrl = config.SDNRAddress
+ sDNRUsername = config.SDNRUser
+ sDNRPassword = config.SDNPassword
+
+ a.client = restclient.New(&http.Client{}, false)
+ a.metricsPolicies = structures.NewSliceAssuranceMeas()
+}
+
+func (a *App) Run(topic string, pollTime int) {
+ for {
+ a.getMessagesFromDmaap(dmaapMRUrl + topic)
+
+ for key := range a.metricsPolicies.Metrics {
+ a.getRRMInformation(key.Duid)
+ }
+ a.updateDedicatedRatio()
+
+ time.Sleep(time.Second * time.Duration(pollTime))
+ }
+}
+
+func (a *App) getMessagesFromDmaap(path string) {
+ log.Infof("Polling new messages from DmaapMR %v", path)
+
+ //Added to work with onap-Dmaap
+ var messageStrings []string
+ if error := a.client.Get(path, &messageStrings); error != nil {
+ log.Warn("Send of Get messages from DmaapMR failed! ", error)
+ }
+
+ for _, msgString := range messageStrings {
+ var message messages.StdDefinedMessage
+ if err := json.Unmarshal([]byte(msgString), &message); err == nil {
+ for _, meas := range message.GetMeasurements() {
+ log.Infof("Create sliceMetric and check if metric exist and update existing one or create new one measurement: %+v\n", meas)
+ //Create sliceMetric and check if metric exist and update existing one or create new one
+ if _, err := a.metricsPolicies.AddOrUpdateMetric(meas); err != nil {
+ log.Error("Metric could not be added ", err)
+ }
+ }
+ } else {
+ log.Warn(err)
+ }
+ }
+}
+
+func (a *App) getRRMInformation(duid string) {
+ var duRRMPolicyRatio messages.ORanDuRestConf
+
+ log.Infof("Get RRM Information from SDNR url: %v", sDNRUrl)
+ if error := a.client.Get(getUrlForDistributedUnitFunctions(sDNRUrl, duid), &duRRMPolicyRatio, sDNRUsername, sDNRPassword); error == nil {
+ prettyPrint(duRRMPolicyRatio.DistributedUnitFunction)
+ } else {
+ log.Warn("Send of Get RRM Information failed! ", error)
+ }
+
+ for _, odu := range duRRMPolicyRatio.DistributedUnitFunction {
+ for _, policy := range odu.RRMPolicyRatio {
+ log.Infof("Add or Update policy: %+v from DU id: %v", policy.Id, duid)
+ a.metricsPolicies.AddNewPolicy(duid, policy)
+ }
+ }
+}
+
+func (a *App) updateDedicatedRatio() {
+ for _, metric := range a.metricsPolicies.Metrics {
+ policy, check := a.metricsPolicies.Policies[metric.RRMPolicyRatioId]
+ //TODO What happened if dedicated ratio is already higher that default and threshold is exceed?
+ if check && policy.PolicyDedicatedRatio <= DEFAULT_DEDICATED_RATIO {
+ log.Infof("Send Request to update DedicatedRatio for DU id: %v Policy id: %v", metric.DUId, policy.PolicyRatioId)
+ path := getUrlUpdatePolicyDedicatedRatio(sDNRUrl, metric.DUId, policy.PolicyRatioId)
+ updatePolicyMessage := policy.GetUpdateDedicatedRatioMessage(metric.SliceDiff, metric.SliceServiceType, NEW_DEDICATED_RATIO)
+ prettyPrint(updatePolicyMessage)
+ if error := a.client.Put(path, updatePolicyMessage, nil, sDNRUsername, sDNRPassword); error == nil {
+ log.Infof("Policy Dedicated Ratio for PolicyId: %v was updated to %v", policy.PolicyRatioId, NEW_DEDICATED_RATIO)
+ } else {
+ log.Warn("Send of Put Request to update DedicatedRatio failed! ", error)
+ }
+ }
+ }
+}
+
+func getUrlForDistributedUnitFunctions(host string, duid string) string {
+ return host + "/rests/data/network-topology:network-topology/topology=topology-netconf/node=" + NODE_ID + "/yang-ext:mount/o-ran-sc-du-hello-world:network-function/distributed-unit-functions=" + duid
+}
+
+func getUrlUpdatePolicyDedicatedRatio(host string, duid string, policyid string) string {
+ return host + "/rests/data/network-topology:network-topology/topology=topology-netconf/node=" + NODE_ID + "/yang-ext:mount/o-ran-sc-du-hello-world:network-function/distributed-unit-functions=" + duid + "/radio-resource-management-policy-ratio=" + policyid
+}
+
+func prettyPrint(jsonStruct interface{}) {
+ b, err := json.MarshalIndent(jsonStruct, "", " ")
+ if err != nil {
+ fmt.Println("error:", err)
+ }
+ fmt.Print(string(b))
+}
Code Review / nonrtric / rapp / ransliceassurance.git / blobdiff