PeerTube/server/lib/opentelemetry/metric-helpers/viewers-observers-builder.ts

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2022-07-27 16:19:25 +02:00
import { Meter } from '@opentelemetry/api-metrics'
import { VideoScope, ViewerScope } from '@server/lib/views/shared'
import { VideoViewsManager } from '@server/lib/views/video-views-manager'
export class ViewersObserversBuilder {
constructor (private readonly meter: Meter) {
}
buildObservers () {
this.meter.createObservableGauge('peertube_viewers_total', {
description: 'Total viewers on the instance'
}).addCallback(observableResult => {
for (const viewerScope of [ 'local', 'remote' ] as ViewerScope[]) {
for (const videoScope of [ 'local', 'remote' ] as VideoScope[]) {
const result = VideoViewsManager.Instance.getTotalViewers({ viewerScope, videoScope })
observableResult.observe(result, { viewerOrigin: viewerScope, videoOrigin: videoScope })
}
}
})
}
}