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import memoizee from 'memoizee'
import { Meter } from '@opentelemetry/api-metrics'
import { MEMOIZE_TTL } from '@server/initializers/constants'
import { buildAvailableActivities } from '@server/lib/activitypub/activity'
import { StatsManager } from '@server/lib/stat-manager'
export class StatsObserversBuilder {
private readonly getInstanceStats = memoizee(() => {
return StatsManager.Instance.getStats()
}, { maxAge: MEMOIZE_TTL.GET_STATS_FOR_OPEN_TELEMETRY_METRICS })
constructor (private readonly meter: Meter) {
}
buildObservers () {
this.buildUserStatsObserver()
this.buildVideoStatsObserver()
this.buildCommentStatsObserver()
this.buildPlaylistStatsObserver()
this.buildChannelStatsObserver()
this.buildInstanceFollowsStatsObserver()
this.buildRedundancyStatsObserver()
this.buildActivityPubStatsObserver()
}
private buildUserStatsObserver () {
this.meter.createObservableGauge('peertube_users_total', {
description: 'Total users on the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalUsers)
})
this.meter.createObservableGauge('peertube_active_users_total', {
description: 'Total active users on the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalDailyActiveUsers, { activeInterval: 'daily' })
observableResult.observe(stats.totalWeeklyActiveUsers, { activeInterval: 'weekly' })
observableResult.observe(stats.totalMonthlyActiveUsers, { activeInterval: 'monthly' })
})
}
private buildChannelStatsObserver () {
this.meter.createObservableGauge('peertube_channels_total', {
description: 'Total channels on the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalLocalVideoChannels, { channelOrigin: 'local' })
})
this.meter.createObservableGauge('peertube_active_channels_total', {
description: 'Total active channels on the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalLocalDailyActiveVideoChannels, { channelOrigin: 'local', activeInterval: 'daily' })
observableResult.observe(stats.totalLocalWeeklyActiveVideoChannels, { channelOrigin: 'local', activeInterval: 'weekly' })
observableResult.observe(stats.totalLocalMonthlyActiveVideoChannels, { channelOrigin: 'local', activeInterval: 'monthly' })
})
}
private buildVideoStatsObserver () {
this.meter.createObservableGauge('peertube_videos_total', {
description: 'Total videos on the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalLocalVideos, { videoOrigin: 'local' })
observableResult.observe(stats.totalVideos - stats.totalLocalVideos, { videoOrigin: 'remote' })
})
this.meter.createObservableGauge('peertube_video_views_total', {
description: 'Total video views made on the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalLocalVideoViews, { viewOrigin: 'local' })
})
this.meter.createObservableGauge('peertube_video_bytes_total', {
description: 'Total bytes of videos'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalLocalVideoFilesSize, { videoOrigin: 'local' })
})
}
private buildCommentStatsObserver () {
this.meter.createObservableGauge('peertube_comments_total', {
description: 'Total comments on the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalLocalVideoComments, { accountOrigin: 'local' })
})
}
private buildPlaylistStatsObserver () {
this.meter.createObservableGauge('peertube_playlists_total', {
description: 'Total playlists on the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalLocalPlaylists, { playlistOrigin: 'local' })
})
}
private buildInstanceFollowsStatsObserver () {
this.meter.createObservableGauge('peertube_instance_followers_total', {
description: 'Total followers of the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalInstanceFollowers)
})
this.meter.createObservableGauge('peertube_instance_following_total', {
description: 'Total following of the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalInstanceFollowing)
})
}
private buildRedundancyStatsObserver () {
this.meter.createObservableGauge('peertube_redundancy_used_bytes_total', {
description: 'Total redundancy used of the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
for (const r of stats.videosRedundancy) {
observableResult.observe(r.totalUsed, { strategy: r.strategy })
}
})
this.meter.createObservableGauge('peertube_redundancy_available_bytes_total', {
description: 'Total redundancy available of the instance'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
for (const r of stats.videosRedundancy) {
observableResult.observe(r.totalSize, { strategy: r.strategy })
}
})
}
private buildActivityPubStatsObserver () {
const availableActivities = buildAvailableActivities()
this.meter.createObservableGauge('peertube_ap_inbox_success_total', {
description: 'Total inbox messages processed with success'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
for (const type of availableActivities) {
observableResult.observe(stats[`totalActivityPub${type}MessagesSuccesses`], { activityType: type })
}
})
this.meter.createObservableGauge('peertube_ap_inbox_error_total', {
description: 'Total inbox messages processed with error'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
for (const type of availableActivities) {
observableResult.observe(stats[`totalActivityPub${type}MessagesErrors`], { activityType: type })
}
})
this.meter.createObservableGauge('peertube_ap_inbox_waiting_total', {
description: 'Total inbox messages waiting for being processed'
}).addCallback(async observableResult => {
const stats = await this.getInstanceStats()
observableResult.observe(stats.totalActivityPubMessagesWaiting)
})
}
}
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