X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=nonrtric%2Frapp%2Fransliceassurance.git;a=blobdiff_plain;f=smoversion%2Finternal%2Fsliceassurance%2Fapp.go;fp=smoversion%2Finternal%2Fsliceassurance%2Fapp.go;h=c4a4d65b7af266ea90c44eddb890d3fdb106641e;hp=0000000000000000000000000000000000000000;hb=5542d26d709c996977d3992c58b273ce83e21e16;hpb=71e113b81dbc68694aec281c85c4472640dc8095 diff --git a/smoversion/internal/sliceassurance/app.go b/smoversion/internal/sliceassurance/app.go new file mode 100644 index 0000000..c4a4d65 --- /dev/null +++ b/smoversion/internal/sliceassurance/app.go @@ -0,0 +1,152 @@ +// - +// ========================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)) +}