-import { AbstractScheduler } from './abstract-scheduler'
-import { CONFIG, JOB_TTL, REDUNDANCY, SCHEDULER_INTERVALS_MS } from '../../initializers'
+import { move } from 'fs-extra'
+import { join } from 'path'
+import { getServerActor } from '@server/models/application/application'
+import { TrackerModel } from '@server/models/server/tracker'
+import { VideoModel } from '@server/models/video/video'
+import {
+ MStreamingPlaylist,
+ MStreamingPlaylistFiles,
+ MStreamingPlaylistVideo,
+ MVideoAccountLight,
+ MVideoFile,
+ MVideoFileVideo,
+ MVideoRedundancyFileVideo,
+ MVideoRedundancyStreamingPlaylistVideo,
+ MVideoRedundancyVideo,
+ MVideoWithAllFiles
+} from '@server/types/models'
+import { VideosRedundancyStrategy } from '../../../shared/models/redundancy'
import { logger } from '../../helpers/logger'
-import { RecentlyAddedStrategy, VideoRedundancyStrategy, VideosRedundancy } from '../../../shared/models/redundancy'
+import { downloadWebTorrentVideo, generateMagnetUri } from '../../helpers/webtorrent'
+import { CONFIG } from '../../initializers/config'
+import { HLS_REDUNDANCY_DIRECTORY, REDUNDANCY, VIDEO_IMPORT_TIMEOUT } from '../../initializers/constants'
import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
-import { VideoFileModel } from '../../models/video/video-file'
-import { sortBy } from 'lodash'
-import { downloadWebTorrentVideo } from '../../helpers/webtorrent'
-import { join } from 'path'
-import { rename } from 'fs-extra'
-import { getServerActor } from '../../helpers/utils'
import { sendCreateCacheFile, sendUpdateCacheFile } from '../activitypub/send'
-import { VideoModel } from '../../models/video/video'
-import { getVideoCacheFileActivityPubUrl } from '../activitypub/url'
+import { getLocalVideoCacheFileActivityPubUrl, getLocalVideoCacheStreamingPlaylistActivityPubUrl } from '../activitypub/url'
+import { getOrCreateVideoAndAccountAndChannel } from '../activitypub/videos'
+import { downloadPlaylistSegments } from '../hls'
import { removeVideoRedundancy } from '../redundancy'
-import { isTestInstance } from '../../helpers/core-utils'
+import { generateHLSRedundancyUrl, generateWebTorrentRedundancyUrl } from '../video-paths'
+import { AbstractScheduler } from './abstract-scheduler'
+
+type CandidateToDuplicate = {
+ redundancy: VideosRedundancyStrategy
+ video: MVideoWithAllFiles
+ files: MVideoFile[]
+ streamingPlaylists: MStreamingPlaylistFiles[]
+}
+
+function isMVideoRedundancyFileVideo (
+ o: MVideoRedundancyFileVideo | MVideoRedundancyStreamingPlaylistVideo
+): o is MVideoRedundancyFileVideo {
+ return !!(o as MVideoRedundancyFileVideo).VideoFile
+}
export class VideosRedundancyScheduler extends AbstractScheduler {
- private static instance: AbstractScheduler
- private executing = false
+ private static instance: VideosRedundancyScheduler
- protected schedulerIntervalMs = SCHEDULER_INTERVALS_MS.videosRedundancy
+ protected schedulerIntervalMs = CONFIG.REDUNDANCY.VIDEOS.CHECK_INTERVAL
private constructor () {
super()
}
- async execute () {
- if (this.executing) return
+ async createManualRedundancy (videoId: number) {
+ const videoToDuplicate = await VideoModel.loadWithFiles(videoId)
- this.executing = true
+ if (!videoToDuplicate) {
+ logger.warn('Video to manually duplicate %d does not exist anymore.', videoId)
+ return
+ }
+
+ return this.createVideoRedundancies({
+ video: videoToDuplicate,
+ redundancy: null,
+ files: videoToDuplicate.VideoFiles,
+ streamingPlaylists: videoToDuplicate.VideoStreamingPlaylists
+ })
+ }
+
+ protected async internalExecute () {
+ for (const redundancyConfig of CONFIG.REDUNDANCY.VIDEOS.STRATEGIES) {
+ logger.info('Running redundancy scheduler for strategy %s.', redundancyConfig.strategy)
- for (const obj of CONFIG.REDUNDANCY.VIDEOS) {
try {
- const videoToDuplicate = await this.findVideoToDuplicate(obj)
+ const videoToDuplicate = await this.findVideoToDuplicate(redundancyConfig)
if (!videoToDuplicate) continue
- const videoFiles = videoToDuplicate.VideoFiles
- videoFiles.forEach(f => f.Video = videoToDuplicate)
+ const candidateToDuplicate = {
+ video: videoToDuplicate,
+ redundancy: redundancyConfig,
+ files: videoToDuplicate.VideoFiles,
+ streamingPlaylists: videoToDuplicate.VideoStreamingPlaylists
+ }
+
+ await this.purgeCacheIfNeeded(candidateToDuplicate)
- if (await this.isTooHeavy(obj.strategy, videoFiles, obj.size)) {
- if (!isTestInstance()) logger.info('Video %s is too big for our cache, skipping.', videoToDuplicate.url)
+ if (await this.isTooHeavy(candidateToDuplicate)) {
+ logger.info('Video %s is too big for our cache, skipping.', videoToDuplicate.url)
continue
}
- logger.info('Will duplicate video %s in redundancy scheduler "%s".', videoToDuplicate.url, obj.strategy)
+ logger.info('Will duplicate video %s in redundancy scheduler "%s".', videoToDuplicate.url, redundancyConfig.strategy)
- await this.createVideoRedundancy(obj.strategy, videoFiles)
+ await this.createVideoRedundancies(candidateToDuplicate)
} catch (err) {
- logger.error('Cannot run videos redundancy %s.', obj.strategy, { err })
+ logger.error('Cannot run videos redundancy %s.', redundancyConfig.strategy, { err })
}
}
- const expired = await VideoRedundancyModel.listAllExpired()
+ await this.extendsLocalExpiration()
+
+ await this.purgeRemoteExpired()
+ }
+
+ static get Instance () {
+ return this.instance || (this.instance = new this())
+ }
- for (const m of expired) {
- logger.info('Removing expired video %s from our redundancy system.', this.buildEntryLogId(m))
+ private async extendsLocalExpiration () {
+ const expired = await VideoRedundancyModel.listLocalExpired()
+ for (const redundancyModel of expired) {
try {
- await m.destroy()
+ const redundancyConfig = CONFIG.REDUNDANCY.VIDEOS.STRATEGIES.find(s => s.strategy === redundancyModel.strategy)
+ const candidate: CandidateToDuplicate = {
+ redundancy: redundancyConfig,
+ video: null,
+ files: [],
+ streamingPlaylists: []
+ }
+
+ // If the administrator disabled the redundancy or decreased the cache size, remove this redundancy instead of extending it
+ if (!redundancyConfig || await this.isTooHeavy(candidate)) {
+ logger.info('Destroying redundancy %s because the cache size %s is too heavy.', redundancyModel.url, redundancyModel.strategy)
+ await removeVideoRedundancy(redundancyModel)
+ } else {
+ await this.extendsRedundancy(redundancyModel)
+ }
} catch (err) {
- logger.error('Cannot remove %s video from our redundancy system.', this.buildEntryLogId(m))
+ logger.error(
+ 'Cannot extend or remove expiration of %s video from our redundancy system.', this.buildEntryLogId(redundancyModel),
+ { err }
+ )
}
}
+ }
+
+ private async extendsRedundancy (redundancyModel: MVideoRedundancyVideo) {
+ const redundancy = CONFIG.REDUNDANCY.VIDEOS.STRATEGIES.find(s => s.strategy === redundancyModel.strategy)
+ // Redundancy strategy disabled, remove our redundancy instead of extending expiration
+ if (!redundancy) {
+ await removeVideoRedundancy(redundancyModel)
+ return
+ }
- this.executing = false
+ await this.extendsExpirationOf(redundancyModel, redundancy.minLifetime)
}
- static get Instance () {
- return this.instance || (this.instance = new this())
+ private async purgeRemoteExpired () {
+ const expired = await VideoRedundancyModel.listRemoteExpired()
+
+ for (const redundancyModel of expired) {
+ try {
+ await removeVideoRedundancy(redundancyModel)
+ } catch (err) {
+ logger.error('Cannot remove redundancy %s from our redundancy system.', this.buildEntryLogId(redundancyModel))
+ }
+ }
}
- private findVideoToDuplicate (cache: VideosRedundancy) {
+ private findVideoToDuplicate (cache: VideosRedundancyStrategy) {
if (cache.strategy === 'most-views') {
return VideoRedundancyModel.findMostViewToDuplicate(REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR)
}
}
if (cache.strategy === 'recently-added') {
- const minViews = (cache as RecentlyAddedStrategy).minViews
+ const minViews = cache.minViews
return VideoRedundancyModel.findRecentlyAddedToDuplicate(REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR, minViews)
}
}
- private async createVideoRedundancy (strategy: VideoRedundancyStrategy, filesToDuplicate: VideoFileModel[]) {
- const serverActor = await getServerActor()
+ private async createVideoRedundancies (data: CandidateToDuplicate) {
+ const video = await this.loadAndRefreshVideo(data.video.url)
- for (const file of filesToDuplicate) {
- const existing = await VideoRedundancyModel.loadByFileId(file.id)
- if (existing) {
- logger.info('Duplicating %s - %d in videos redundancy with "%s" strategy.', file.Video.url, file.resolution, strategy)
+ if (!video) {
+ logger.info('Video %s we want to duplicate does not existing anymore, skipping.', data.video.url)
- existing.expiresOn = this.buildNewExpiration()
- await existing.save()
+ return
+ }
+
+ for (const file of data.files) {
+ const existingRedundancy = await VideoRedundancyModel.loadLocalByFileId(file.id)
+ if (existingRedundancy) {
+ await this.extendsRedundancy(existingRedundancy)
- await sendUpdateCacheFile(serverActor, existing)
continue
}
- // We need more attributes and check if the video still exists
- const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(file.Video.id)
- if (!video) continue
+ await this.createVideoFileRedundancy(data.redundancy, video, file)
+ }
- logger.info('Duplicating %s - %d in videos redundancy with "%s" strategy.', video.url, file.resolution, strategy)
+ for (const streamingPlaylist of data.streamingPlaylists) {
+ const existingRedundancy = await VideoRedundancyModel.loadLocalByStreamingPlaylistId(streamingPlaylist.id)
+ if (existingRedundancy) {
+ await this.extendsRedundancy(existingRedundancy)
- const { baseUrlHttp, baseUrlWs } = video.getBaseUrls()
- const magnetUri = video.generateMagnetUri(file, baseUrlHttp, baseUrlWs)
+ continue
+ }
- const tmpPath = await downloadWebTorrentVideo({ magnetUri }, JOB_TTL['video-import'])
+ await this.createStreamingPlaylistRedundancy(data.redundancy, video, streamingPlaylist)
+ }
+ }
- const destPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(file))
- await rename(tmpPath, destPath)
+ private async createVideoFileRedundancy (redundancy: VideosRedundancyStrategy | null, video: MVideoAccountLight, fileArg: MVideoFile) {
+ let strategy = 'manual'
+ let expiresOn: Date = null
- const createdModel = await VideoRedundancyModel.create({
- expiresOn: new Date(Date.now() + REDUNDANCY.VIDEOS.EXPIRES_AFTER_MS),
- url: getVideoCacheFileActivityPubUrl(file),
- fileUrl: video.getVideoFileUrl(file, CONFIG.WEBSERVER.URL),
- strategy,
- videoFileId: file.id,
- actorId: serverActor.id
- })
- createdModel.VideoFile = file
+ if (redundancy) {
+ strategy = redundancy.strategy
+ expiresOn = this.buildNewExpiration(redundancy.minLifetime)
+ }
- await sendCreateCacheFile(serverActor, createdModel)
+ const file = fileArg as MVideoFileVideo
+ file.Video = video
+
+ const serverActor = await getServerActor()
+
+ logger.info('Duplicating %s - %d in videos redundancy with "%s" strategy.', video.url, file.resolution, strategy)
+
+ const trackerUrls = await TrackerModel.listUrlsByVideoId(video.id)
+ const magnetUri = generateMagnetUri(video, file, trackerUrls)
+
+ const tmpPath = await downloadWebTorrentVideo({ magnetUri }, VIDEO_IMPORT_TIMEOUT)
+
+ const destPath = join(CONFIG.STORAGE.REDUNDANCY_DIR, file.filename)
+ await move(tmpPath, destPath, { overwrite: true })
+
+ const createdModel: MVideoRedundancyFileVideo = await VideoRedundancyModel.create({
+ expiresOn,
+ url: getLocalVideoCacheFileActivityPubUrl(file),
+ fileUrl: generateWebTorrentRedundancyUrl(file),
+ strategy,
+ videoFileId: file.id,
+ actorId: serverActor.id
+ })
+
+ createdModel.VideoFile = file
+
+ await sendCreateCacheFile(serverActor, video, createdModel)
+
+ logger.info('Duplicated %s - %d -> %s.', video.url, file.resolution, createdModel.url)
+ }
+
+ private async createStreamingPlaylistRedundancy (
+ redundancy: VideosRedundancyStrategy,
+ video: MVideoAccountLight,
+ playlistArg: MStreamingPlaylist
+ ) {
+ let strategy = 'manual'
+ let expiresOn: Date = null
+
+ if (redundancy) {
+ strategy = redundancy.strategy
+ expiresOn = this.buildNewExpiration(redundancy.minLifetime)
}
+
+ const playlist = playlistArg as MStreamingPlaylistVideo
+ playlist.Video = video
+
+ const serverActor = await getServerActor()
+
+ logger.info('Duplicating %s streaming playlist in videos redundancy with "%s" strategy.', video.url, strategy)
+
+ const destDirectory = join(HLS_REDUNDANCY_DIRECTORY, video.uuid)
+ await downloadPlaylistSegments(playlist.playlistUrl, destDirectory, VIDEO_IMPORT_TIMEOUT)
+
+ const createdModel: MVideoRedundancyStreamingPlaylistVideo = await VideoRedundancyModel.create({
+ expiresOn,
+ url: getLocalVideoCacheStreamingPlaylistActivityPubUrl(video, playlist),
+ fileUrl: generateHLSRedundancyUrl(video, playlistArg),
+ strategy,
+ videoStreamingPlaylistId: playlist.id,
+ actorId: serverActor.id
+ })
+
+ createdModel.VideoStreamingPlaylist = playlist
+
+ await sendCreateCacheFile(serverActor, video, createdModel)
+
+ logger.info('Duplicated playlist %s -> %s.', playlist.playlistUrl, createdModel.url)
}
- private async isTooHeavy (strategy: VideoRedundancyStrategy, filesToDuplicate: VideoFileModel[], maxSizeArg: number) {
- const maxSize = maxSizeArg - this.getTotalFileSizes(filesToDuplicate)
+ private async extendsExpirationOf (redundancy: MVideoRedundancyVideo, expiresAfterMs: number) {
+ logger.info('Extending expiration of %s.', redundancy.url)
- const totalDuplicated = await VideoRedundancyModel.getTotalDuplicated(strategy)
+ const serverActor = await getServerActor()
+
+ redundancy.expiresOn = this.buildNewExpiration(expiresAfterMs)
+ await redundancy.save()
+
+ await sendUpdateCacheFile(serverActor, redundancy)
+ }
+
+ private async purgeCacheIfNeeded (candidateToDuplicate: CandidateToDuplicate) {
+ while (await this.isTooHeavy(candidateToDuplicate)) {
+ const redundancy = candidateToDuplicate.redundancy
+ const toDelete = await VideoRedundancyModel.loadOldestLocalExpired(redundancy.strategy, redundancy.minLifetime)
+ if (!toDelete) return
+
+ const videoId = toDelete.VideoFile
+ ? toDelete.VideoFile.videoId
+ : toDelete.VideoStreamingPlaylist.videoId
+
+ const redundancies = await VideoRedundancyModel.listLocalByVideoId(videoId)
+
+ for (const redundancy of redundancies) {
+ await removeVideoRedundancy(redundancy)
+ }
+ }
+ }
+
+ private async isTooHeavy (candidateToDuplicate: CandidateToDuplicate) {
+ const maxSize = candidateToDuplicate.redundancy.size
+
+ const totalDuplicated = await VideoRedundancyModel.getTotalDuplicated(candidateToDuplicate.redundancy.strategy)
+ const totalWillDuplicate = totalDuplicated + this.getTotalFileSizes(candidateToDuplicate.files, candidateToDuplicate.streamingPlaylists)
+
+ return totalWillDuplicate > maxSize
+ }
- return totalDuplicated > maxSize
+ private buildNewExpiration (expiresAfterMs: number) {
+ return new Date(Date.now() + expiresAfterMs)
}
- private buildNewExpiration () {
- return new Date(Date.now() + REDUNDANCY.VIDEOS.EXPIRES_AFTER_MS)
+ private buildEntryLogId (object: MVideoRedundancyFileVideo | MVideoRedundancyStreamingPlaylistVideo) {
+ if (isMVideoRedundancyFileVideo(object)) return `${object.VideoFile.Video.url}-${object.VideoFile.resolution}`
+
+ return `${object.VideoStreamingPlaylist.playlistUrl}`
}
- private buildEntryLogId (object: VideoRedundancyModel) {
- return `${object.VideoFile.Video.url}-${object.VideoFile.resolution}`
+ private getTotalFileSizes (files: MVideoFile[], playlists: MStreamingPlaylistFiles[]) {
+ const fileReducer = (previous: number, current: MVideoFile) => previous + current.size
+
+ let allFiles = files
+ for (const p of playlists) {
+ allFiles = allFiles.concat(p.VideoFiles)
+ }
+
+ return allFiles.reduce(fileReducer, 0)
}
- private getTotalFileSizes (files: VideoFileModel[]) {
- const fileReducer = (previous: number, current: VideoFileModel) => previous + current.size
+ private async loadAndRefreshVideo (videoUrl: string) {
+ // We need more attributes and check if the video still exists
+ const getVideoOptions = {
+ videoObject: videoUrl,
+ syncParam: { likes: false, dislikes: false, shares: false, comments: false, thumbnail: false, refreshVideo: true },
+ fetchType: 'all' as 'all'
+ }
+ const { video } = await getOrCreateVideoAndAccountAndChannel(getVideoOptions)
- return files.reduce(fileReducer, 0)
+ return video
}
}