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job_utilisation_reporter.go
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job_utilisation_reporter.go
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package utilisation
import (
"sync"
"time"
log "github.com/sirupsen/logrus"
v1 "k8s.io/api/core/v1"
"k8s.io/client-go/tools/cache"
clusterContext "github.com/armadaproject/armada/internal/executor/context"
"github.com/armadaproject/armada/internal/executor/domain"
"github.com/armadaproject/armada/internal/executor/reporter"
"github.com/armadaproject/armada/internal/executor/util"
)
type UtilisationEventReporter struct {
clusterContext clusterContext.ClusterContext
podUtilisation PodUtilisationService
eventReporter reporter.EventReporter
podInfo map[string]*podUtilisationInfo
dataAccessMutex sync.Mutex
reportingInterval time.Duration
}
type podUtilisationInfo struct {
lastReported time.Time
pod *v1.Pod
utilisationMax *domain.UtilisationData
}
func NewUtilisationEventReporter(
clusterContext clusterContext.ClusterContext,
podUtilisation PodUtilisationService,
eventReporter reporter.EventReporter,
reportingPeriod time.Duration,
) *UtilisationEventReporter {
r := &UtilisationEventReporter{
clusterContext: clusterContext,
podUtilisation: podUtilisation,
eventReporter: eventReporter,
reportingInterval: reportingPeriod,
podInfo: map[string]*podUtilisationInfo{},
}
clusterContext.AddPodEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
pod, ok := obj.(*v1.Pod)
if !ok {
log.Errorf("Failed to process pod event due to it being an unexpected type. Failed to process %+v", obj)
return
}
go r.updatePod(pod)
},
UpdateFunc: func(oldObj, newObj interface{}) {
newPod, ok := newObj.(*v1.Pod)
if !ok {
log.Errorf("Failed to process pod event due to it being an unexpected type. Failed to process %+v", newObj)
return
}
go r.updatePod(newPod)
},
DeleteFunc: func(obj interface{}) {
pod, ok := obj.(*v1.Pod)
if !ok {
log.Errorf("Failed to process pod event due to it being an unexpected type. Failed to process %+v", obj)
return
}
go r.deletePod(pod)
},
})
return r
}
func (r *UtilisationEventReporter) ReportUtilisationEvents() {
r.dataAccessMutex.Lock()
defer r.dataAccessMutex.Unlock()
now := time.Now()
reportingTime := now.Add(-r.reportingInterval)
for _, info := range r.podInfo {
currentUtilisation := r.podUtilisation.GetPodUtilisation(info.pod)
info.utilisationMax.Max(currentUtilisation)
if info.lastReported.Before(reportingTime) {
reported := r.reportUsage(info)
if reported {
info.lastReported = now
info.utilisationMax = domain.EmptyUtilisationData()
}
}
}
}
func (r *UtilisationEventReporter) updatePod(pod *v1.Pod) {
if !util.IsManagedPod(pod) {
return
}
r.dataAccessMutex.Lock()
defer r.dataAccessMutex.Unlock()
if pod.Status.Phase == v1.PodRunning {
_, exists := r.podInfo[pod.Name]
if !exists {
r.podInfo[pod.Name] = &podUtilisationInfo{
lastReported: time.Now(),
pod: pod,
utilisationMax: r.podUtilisation.GetPodUtilisation(pod),
}
}
}
if util.IsInTerminalState(pod) {
podInfo, exists := r.podInfo[pod.Name]
if exists {
r.reportUsage(podInfo)
delete(r.podInfo, pod.Name)
}
}
}
func (r *UtilisationEventReporter) deletePod(pod *v1.Pod) {
if !util.IsManagedPod(pod) {
return
}
r.dataAccessMutex.Lock()
defer r.dataAccessMutex.Unlock()
delete(r.podInfo, pod.Name)
}
func (r *UtilisationEventReporter) reportUsage(info *podUtilisationInfo) bool {
if info.utilisationMax.IsEmpty() {
return false
}
event, err := reporter.CreateJobUtilisationEvent(info.pod, info.utilisationMax, r.clusterContext.GetClusterId())
if err != nil {
log.Errorf("failed to create utilisation event %s", err)
return false
}
r.queueEventWithRetry(reporter.EventMessage{Event: event, JobRunId: util.ExtractJobRunId(info.pod)}, 3)
return true
}
func (r *UtilisationEventReporter) queueEventWithRetry(event reporter.EventMessage, retry int) {
var callback func(e error)
callback = func(e error) {
if e != nil {
log.Errorf("failed to report utilisation: %v", e)
retry--
if retry > 0 {
r.eventReporter.QueueEvent(event, callback)
}
}
}
r.eventReporter.QueueEvent(event, callback)
}