server/lib/opentelemetry/metric-helpers/playback-metrics.ts

   1 import { Counter, Meter } from '@opentelemetry/api-metrics'
   2 import { MVideoImmutable } from '@server/types/models'
   3 import { PlaybackMetricCreate } from '@shared/models'
   4
   5 export class PlaybackMetrics {
   6   private errorsCounter: Counter
   7   private resolutionChangesCounter: Counter
   8
   9   private downloadedBytesP2PCounter: Counter
  10   private uploadedBytesP2PCounter: Counter
  11
  12   private downloadedBytesHTTPCounter: Counter
  13
  14   constructor (private readonly meter: Meter) {
  15
  16   }
  17
  18   buildCounters () {
  19     this.errorsCounter = this.meter.createCounter('peertube_playback_errors_count', {
  20       description: 'Errors collected from PeerTube player.'
  21     })
  22
  23     this.resolutionChangesCounter = this.meter.createCounter('peertube_playback_resolution_changes_count', {
  24       description: 'Resolution changes collected from PeerTube player.'
  25     })
  26
  27     this.downloadedBytesHTTPCounter = this.meter.createCounter('peertube_playback_http_downloaded_bytes', {
  28       description: 'Downloaded bytes with HTTP by PeerTube player.'
  29     })
  30     this.downloadedBytesP2PCounter = this.meter.createCounter('peertube_playback_p2p_downloaded_bytes', {
  31       description: 'Downloaded bytes with P2P by PeerTube player.'
  32     })
  33
  34     this.uploadedBytesP2PCounter = this.meter.createCounter('peertube_playback_p2p_uploaded_bytes', {
  35       description: 'Uploaded bytes with P2P by PeerTube player.'
  36     })
  37   }
  38
  39   observe (video: MVideoImmutable, metrics: PlaybackMetricCreate) {
  40     const attributes = {
  41       videoOrigin: video.remote
  42         ? 'remote'
  43         : 'local',
  44
  45       playerMode: metrics.playerMode,
  46
  47       resolution: metrics.resolution + '',
  48       fps: metrics.fps + '',
  49
  50       videoUUID: video.uuid
  51     }
  52
  53     this.errorsCounter.add(metrics.errors, attributes)
  54     this.resolutionChangesCounter.add(metrics.resolutionChanges, attributes)
  55
  56     this.downloadedBytesHTTPCounter.add(metrics.downloadedBytesHTTP, attributes)
  57     this.downloadedBytesP2PCounter.add(metrics.downloadedBytesP2P, attributes)
  58
  59     this.uploadedBytesP2PCounter.add(metrics.uploadedBytesP2P, attributes)
  60   }
  61 }