X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Fschedulers%2Fvideos-redundancy-scheduler.ts;h=6e61cbe7d79bc283c24db626492c16255c816291;hb=cf59a2a0c367683ba35758419499bf6087c192ec;hp=8b91d750be4830e252a52c1e1e4528549f0f7b03;hpb=3f6b6a565dc98a658ec9d8f697252788c0faa46d;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/lib/schedulers/videos-redundancy-scheduler.ts b/server/lib/schedulers/videos-redundancy-scheduler.ts
index 8b91d750b..6e61cbe7d 100644
--- a/server/lib/schedulers/videos-redundancy-scheduler.ts
+++ b/server/lib/schedulers/videos-redundancy-scheduler.ts
@@ -1,77 +1,163 @@
 import { AbstractScheduler } from './abstract-scheduler'
-import { CONFIG, JOB_TTL, REDUNDANCY, SCHEDULER_INTERVALS_MS } from '../../initializers'
+import { HLS_REDUNDANCY_DIRECTORY, REDUNDANCY, VIDEO_IMPORT_TIMEOUT, WEBSERVER } from '../../initializers/constants'
 import { logger } from '../../helpers/logger'
-import { RecentlyAddedStrategy, VideoRedundancyStrategy, VideosRedundancy } from '../../../shared/models/redundancy'
+import { VideosRedundancyStrategy } from '../../../shared/models/redundancy'
 import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
-import { VideoFileModel } from '../../models/video/video-file'
-import { sortBy } from 'lodash'
-import { downloadWebTorrentVideo } from '../../helpers/webtorrent'
+import { downloadWebTorrentVideo, generateMagnetUri } from '../../helpers/webtorrent'
 import { join } from 'path'
-import { rename } from 'fs-extra'
+import { move } 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 { getVideoCacheFileActivityPubUrl, getVideoCacheStreamingPlaylistActivityPubUrl } from '../activitypub/url'
 import { removeVideoRedundancy } from '../redundancy'
-import { isTestInstance } from '../../helpers/core-utils'
+import { getOrCreateVideoAndAccountAndChannel } from '../activitypub'
+import { downloadPlaylistSegments } from '../hls'
+import { CONFIG } from '../../initializers/config'
+import {
+  MStreamingPlaylist, MStreamingPlaylistFiles,
+  MStreamingPlaylistVideo,
+  MVideoAccountLight,
+  MVideoFile,
+  MVideoFileVideo,
+  MVideoRedundancyFileVideo,
+  MVideoRedundancyStreamingPlaylistVideo,
+  MVideoRedundancyVideo,
+  MVideoWithAllFiles
+} from '@server/typings/models'
+import { getVideoFilename } from '../video-paths'
+import { VideoModel } from '@server/models/video/video'
+
+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)
+
+    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
+    })
+  }
 
-    this.executing = true
+  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
+        }
 
-        if (await this.isTooHeavy(obj.strategy, videoFiles, obj.size)) {
-          if (!isTestInstance()) logger.info('Video %s is too big for our cache, skipping.', videoToDuplicate.url)
+        await this.purgeCacheIfNeeded(candidateToDuplicate)
+
+        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()
 
-    for (const m of expired) {
-      logger.info('Removing expired video %s from our redundancy system.', this.buildEntryLogId(m))
+    await this.purgeRemoteExpired()
+  }
 
+  static get Instance () {
+    return this.instance || (this.instance = new this())
+  }
+
+  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)
     }
@@ -81,73 +167,182 @@ export class VideosRedundancyScheduler extends AbstractScheduler {
     }
 
     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
+
+    if (redundancy) {
+      strategy = redundancy.strategy
+      expiresOn = this.buildNewExpiration(redundancy.minLifetime)
+    }
 
-      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
+    const file = fileArg as MVideoFileVideo
+    file.Video = video
 
-      await sendCreateCacheFile(serverActor, createdModel)
+    const serverActor = await getServerActor()
+
+    logger.info('Duplicating %s - %d in videos redundancy with "%s" strategy.', video.url, file.resolution, strategy)
+
+    const { baseUrlHttp, baseUrlWs } = video.getBaseUrls()
+    const magnetUri = generateMagnetUri(video, file, baseUrlHttp, baseUrlWs)
+
+    const tmpPath = await downloadWebTorrentVideo({ magnetUri }, VIDEO_IMPORT_TIMEOUT)
+
+    const destPath = join(CONFIG.STORAGE.REDUNDANCY_DIR, getVideoFilename(video, file))
+    await move(tmpPath, destPath, { overwrite: true })
+
+    const createdModel: MVideoRedundancyFileVideo = await VideoRedundancyModel.create({
+      expiresOn,
+      url: getVideoCacheFileActivityPubUrl(file),
+      fileUrl: video.getVideoRedundancyUrl(file, WEBSERVER.URL),
+      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: getVideoCacheStreamingPlaylistActivityPubUrl(video, playlist),
+      fileUrl: playlist.getVideoRedundancyUrl(WEBSERVER.URL),
+      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 extendsExpirationOf (redundancy: MVideoRedundancyVideo, expiresAfterMs: number) {
+    logger.info('Extending expiration of %s.', redundancy.url)
+
+    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
+
+      await removeVideoRedundancy(toDelete)
     }
   }
 
-  private async isTooHeavy (strategy: VideoRedundancyStrategy, filesToDuplicate: VideoFileModel[], maxSizeArg: number) {
-    const maxSize = maxSizeArg - this.getTotalFileSizes(filesToDuplicate)
+  private async isTooHeavy (candidateToDuplicate: CandidateToDuplicate) {
+    const maxSize = candidateToDuplicate.redundancy.size
 
-    const totalDuplicated = await VideoRedundancyModel.getTotalDuplicated(strategy)
+    const totalDuplicated = await VideoRedundancyModel.getTotalDuplicated(candidateToDuplicate.redundancy.strategy)
+    const totalWillDuplicate = totalDuplicated + this.getTotalFileSizes(candidateToDuplicate.files, candidateToDuplicate.streamingPlaylists)
 
-    return totalDuplicated > maxSize
+    return totalWillDuplicate > maxSize
   }
 
-  private buildNewExpiration () {
-    return new Date(Date.now() + REDUNDANCY.VIDEOS.EXPIRES_AFTER_MS)
+  private buildNewExpiration (expiresAfterMs: number) {
+    return new Date(Date.now() + expiresAfterMs)
   }
 
-  private buildEntryLogId (object: VideoRedundancyModel) {
-    return `${object.VideoFile.Video.url}-${object.VideoFile.resolution}`
+  private buildEntryLogId (object: MVideoRedundancyFileVideo | MVideoRedundancyStreamingPlaylistVideo) {
+    if (isMVideoRedundancyFileVideo(object)) return `${object.VideoFile.Video.url}-${object.VideoFile.resolution}`
+
+    return `${object.VideoStreamingPlaylist.playlistUrl}`
   }
 
-  private getTotalFileSizes (files: VideoFileModel[]) {
-    const fileReducer = (previous: number, current: VideoFileModel) => previous + current.size
+  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 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
   }
 }