package sliceassurance
import (
- "fmt"
"net/http"
- "strconv"
"time"
"oransc.org/usecase/oduclosedloop/internal/restclient"
"oransc.org/usecase/oduclosedloop/internal/structures"
"oransc.org/usecase/oduclosedloop/messages"
+
+ log "github.com/sirupsen/logrus"
)
const (
)
type App struct {
- Client restclient.HTTPClient
- MetricsPolicies *structures.SliceAssuranceMeas
+ client *restclient.Client
+ metricsPolicies *structures.SliceAssuranceMeas
}
var dmaapMRUrl string
-var SDNRUrl string
+var sDNRUrl string
func (a *App) Initialize(dmaapUrl string, sdnrUrl string) {
dmaapMRUrl = dmaapUrl
- SDNRUrl = sdnrUrl
+ sDNRUrl = sdnrUrl
- a.Client = restclient.New(&http.Client{})
- a.MetricsPolicies = structures.NewSliceAssuranceMeas()
+ a.client = restclient.New(&http.Client{})
+ a.metricsPolicies = structures.NewSliceAssuranceMeas()
}
func (a *App) Run(topic string, pollTime int) {
for {
- fmt.Printf("Polling new messages from DmaapMR\n")
- var stdMessage messages.StdDefinedMessage
-
- a.Client.Get(dmaapMRUrl+topic, &stdMessage)
-
- a.processMessages(stdMessage)
+ a.getMessagesFromDmaap(dmaapMRUrl + topic)
- exceedsThMetrics := a.checkIfThresholdIsExceed()
- if len(exceedsThMetrics) > 0 {
- a.updateDedicatedRatio(exceedsThMetrics)
+ for key := range a.metricsPolicies.Metrics {
+ a.getRRMInformation(key.Duid)
}
+ a.updateDedicatedRatio()
time.Sleep(time.Second * time.Duration(pollTime))
}
}
-func (a *App) processMessages(stdMessage messages.StdDefinedMessage) {
+func (a *App) getMessagesFromDmaap(url string) {
+ var stdMessage messages.StdDefinedMessage
+ a.client.Get(url, &stdMessage)
+ log.Infof("Polling new messages from DmaapMR: %v", stdMessage)
for _, meas := range stdMessage.GetMeasurements() {
-
- fmt.Printf("New measurement: %+v\n", meas)
//Create sliceMetric and check if metric exist and update existing one or create new one
- tmpSm := meas.CreateSliceMetric()
- a.MetricsPolicies.AddOrUpdateMetric(tmpSm)
-
- //Fetch policy ratio metrics from SDNR
- var duRRMPolicyRatio messages.ORanDuRestConf
- a.Client.Get(getUrlForDistributedUnitFunctions(SDNRUrl, tmpSm.DUId), &duRRMPolicyRatio)
-
- //Get DuId and check if we have metrics for it
- policyRatioDuId := duRRMPolicyRatio.DistributedUnitFunction.Id
- policies := duRRMPolicyRatio.DistributedUnitFunction.RRMPolicyRatio
- for _, policy := range policies {
- members:
- for _, member := range policy.RRMPolicyMembers {
- metric := a.MetricsPolicies.GetSliceMetric(policyRatioDuId, member.SliceDifferentiator, member.SliceServiceType)
- if metric != nil {
- a.MetricsPolicies.AddNewPolicy(addOrUpdatePolicyRatio(metric, policy))
- break members
- }
- }
+ if _, err := a.metricsPolicies.AddOrUpdateMetric(meas); err != nil {
+ log.Error("Metric could not be added ", err)
}
}
}
-func (a *App) checkIfThresholdIsExceed() []*structures.SliceMetric {
- exceedsThMetrics := make([]*structures.SliceMetric, 0)
- for _, metric := range a.MetricsPolicies.Metrics {
- for key, value := range metric.PM {
+func (a *App) getRRMInformation(duid string) {
+ var duRRMPolicyRatio messages.ORanDuRestConf
+ a.client.Get(getUrlForDistributedUnitFunctions(sDNRUrl, duid), &duRRMPolicyRatio)
- if (value) > THRESHOLD_TPUT {
- fmt.Printf("PM: [%v, %v] exceeds threshold value!\n", key, value)
- exceedsThMetrics = append(exceedsThMetrics, metric)
- }
- }
+ policies := duRRMPolicyRatio.DistributedUnitFunction.RRMPolicyRatio
+ for _, policy := range policies {
+ a.metricsPolicies.AddNewPolicy(duid, policy)
}
- return exceedsThMetrics
}
-func (a *App) updateDedicatedRatio(exceedsThMetrics []*structures.SliceMetric) {
- for _, m := range exceedsThMetrics {
- //Check if RRMPolicyDedicatedRatio is higher than default value
- policy := a.MetricsPolicies.Policies[m.RRMPolicyRatioId]
+func (a *App) updateDedicatedRatio() {
- if policy != nil && policy.PolicyDedicatedRatio <= DEFAULT_DEDICATED_RATIO {
- //Send PostRequest to update DedicatedRatio
- url := getUrlUpdatePolicyDedicatedRatio(SDNRUrl, m.DUId, policy.PolicyRatioId)
- a.Client.Post(url, messages.GetDedicatedRatioUpdateMessage(*m, *policy, NEW_DEDICATED_RATIO), nil)
+ 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 Post Request to update DedicatedRatio for DU id: %v Policy id: %v", metric.DUId, policy.PolicyRatioId)
+ url := getUrlUpdatePolicyDedicatedRatio(sDNRUrl, metric.DUId, policy.PolicyRatioId)
+ a.client.Post(url, policy.GetUpdateDedicatedRatioMessage(metric.SliceDiff, metric.SliceServiceType, NEW_DEDICATED_RATIO), nil)
}
}
}
-func addOrUpdatePolicyRatio(metric *structures.SliceMetric, policy messages.RRMPolicyRatio) *structures.PolicyRatio {
- if metric.RRMPolicyRatioId == "" {
- metric.RRMPolicyRatioId = policy.Id
- }
- return &structures.PolicyRatio{
- PolicyRatioId: policy.Id,
- PolicyMaxRatio: policy.RRMPolicyMaxRatio,
- PolicyMinRatio: policy.RRMPolicyMinRatio,
- PolicyDedicatedRatio: toInt(policy.RRMPolicyDedicatedRatio),
- }
-}
-
-func toInt(num string) int {
- res, err := strconv.Atoi(num)
- if err != nil {
- return -1
- }
- return res
-}
-
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
}