server/lib/job-queue/job-queue.ts

   1 import Bull, { Job, JobOptions, Queue } from 'bull'
   2 import { jobStates } from '@server/helpers/custom-validators/jobs'
   3 import { CONFIG } from '@server/initializers/config'
   4 import { processVideoRedundancy } from '@server/lib/job-queue/handlers/video-redundancy'
   5 import {
   6   ActivitypubFollowPayload,
   7   ActivitypubHttpBroadcastPayload,
   8   ActivitypubHttpFetcherPayload,
   9   ActivitypubHttpUnicastPayload,
  10   ActorKeysPayload,
  11   DeleteResumableUploadMetaFilePayload,
  12   EmailPayload,
  13   JobState,
  14   JobType,
  15   MoveObjectStoragePayload,
  16   RefreshPayload,
  17   VideoFileImportPayload,
  18   VideoImportPayload,
  19   VideoLiveEndingPayload,
  20   VideoRedundancyPayload,
  21   VideoTranscodingPayload
  22 } from '../../../shared/models'
  23 import { logger } from '../../helpers/logger'
  24 import { JOB_ATTEMPTS, JOB_COMPLETED_LIFETIME, JOB_CONCURRENCY, JOB_TTL, REPEAT_JOBS, WEBSERVER } from '../../initializers/constants'
  25 import { processActivityPubCleaner } from './handlers/activitypub-cleaner'
  26 import { processActivityPubFollow } from './handlers/activitypub-follow'
  27 import { processActivityPubHttpBroadcast } from './handlers/activitypub-http-broadcast'
  28 import { processActivityPubHttpFetcher } from './handlers/activitypub-http-fetcher'
  29 import { processActivityPubHttpUnicast } from './handlers/activitypub-http-unicast'
  30 import { refreshAPObject } from './handlers/activitypub-refresher'
  31 import { processActorKeys } from './handlers/actor-keys'
  32 import { processEmail } from './handlers/email'
  33 import { processMoveToObjectStorage } from './handlers/move-to-object-storage'
  34 import { processVideoFileImport } from './handlers/video-file-import'
  35 import { processVideoImport } from './handlers/video-import'
  36 import { processVideoLiveEnding } from './handlers/video-live-ending'
  37 import { processVideoTranscoding } from './handlers/video-transcoding'
  38 import { processVideosViewsStats } from './handlers/video-views-stats'
  39
  40 type CreateJobArgument =
  41   { type: 'activitypub-http-broadcast', payload: ActivitypubHttpBroadcastPayload } |
  42   { type: 'activitypub-http-unicast', payload: ActivitypubHttpUnicastPayload } |
  43   { type: 'activitypub-http-fetcher', payload: ActivitypubHttpFetcherPayload } |
  44   { type: 'activitypub-http-cleaner', payload: {} } |
  45   { type: 'activitypub-follow', payload: ActivitypubFollowPayload } |
  46   { type: 'video-file-import', payload: VideoFileImportPayload } |
  47   { type: 'video-transcoding', payload: VideoTranscodingPayload } |
  48   { type: 'email', payload: EmailPayload } |
  49   { type: 'video-import', payload: VideoImportPayload } |
  50   { type: 'activitypub-refresher', payload: RefreshPayload } |
  51   { type: 'videos-views-stats', payload: {} } |
  52   { type: 'video-live-ending', payload: VideoLiveEndingPayload } |
  53   { type: 'actor-keys', payload: ActorKeysPayload } |
  54   { type: 'video-redundancy', payload: VideoRedundancyPayload } |
  55   { type: 'delete-resumable-upload-meta-file', payload: DeleteResumableUploadMetaFilePayload } |
  56   { type: 'move-to-object-storage', payload: MoveObjectStoragePayload }
  57
  58 export type CreateJobOptions = {
  59   delay?: number
  60   priority?: number
  61 }
  62
  63 const handlers: { [id in JobType]: (job: Job) => Promise<any> } = {
  64   'activitypub-http-broadcast': processActivityPubHttpBroadcast,
  65   'activitypub-http-unicast': processActivityPubHttpUnicast,
  66   'activitypub-http-fetcher': processActivityPubHttpFetcher,
  67   'activitypub-cleaner': processActivityPubCleaner,
  68   'activitypub-follow': processActivityPubFollow,
  69   'video-file-import': processVideoFileImport,
  70   'video-transcoding': processVideoTranscoding,
  71   'email': processEmail,
  72   'video-import': processVideoImport,
  73   'videos-views-stats': processVideosViewsStats,
  74   'activitypub-refresher': refreshAPObject,
  75   'video-live-ending': processVideoLiveEnding,
  76   'actor-keys': processActorKeys,
  77   'video-redundancy': processVideoRedundancy,
  78   'move-to-object-storage': processMoveToObjectStorage
  79 }
  80
  81 const jobTypes: JobType[] = [
  82   'activitypub-follow',
  83   'activitypub-http-broadcast',
  84   'activitypub-http-fetcher',
  85   'activitypub-http-unicast',
  86   'activitypub-cleaner',
  87   'email',
  88   'video-transcoding',
  89   'video-file-import',
  90   'video-import',
  91   'videos-views-stats',
  92   'activitypub-refresher',
  93   'video-redundancy',
  94   'actor-keys',
  95   'video-live-ending',
  96   'move-to-object-storage'
  97 ]
  98
  99 class JobQueue {
 100
 101   private static instance: JobQueue
 102
 103   private queues: { [id in JobType]?: Queue } = {}
 104   private initialized = false
 105   private jobRedisPrefix: string
 106
 107   private constructor () {
 108   }
 109
 110   init (produceOnly = false) {
 111     // Already initialized
 112     if (this.initialized === true) return
 113     this.initialized = true
 114
 115     this.jobRedisPrefix = 'bull-' + WEBSERVER.HOST
 116
 117     const queueOptions: Bull.QueueOptions = {
 118       prefix: this.jobRedisPrefix,
 119       redis: {
 120         password: CONFIG.REDIS.AUTH,
 121         db: CONFIG.REDIS.DB,
 122         host: CONFIG.REDIS.HOSTNAME,
 123         port: CONFIG.REDIS.PORT,
 124         path: CONFIG.REDIS.SOCKET
 125       },
 126       settings: {
 127         maxStalledCount: 10 // transcoding could be long, so jobs can often be interrupted by restarts
 128       }
 129     }
 130
 131     for (const handlerName of (Object.keys(handlers) as JobType[])) {
 132       const queue = new Bull(handlerName, queueOptions)
 133
 134       if (produceOnly) {
 135         queue.pause(true)
 136              .catch(err => logger.error('Cannot pause queue %s in produced only job queue', handlerName, { err }))
 137       }
 138
 139       const handler = handlers[handlerName]
 140
 141       queue.process(this.getJobConcurrency(handlerName), handler)
 142            .catch(err => logger.error('Error in job queue processor %s.', handlerName, { err }))
 143
 144       queue.on('failed', (job, err) => {
 145         logger.error('Cannot execute job %d in queue %s.', job.id, handlerName, { payload: job.data, err })
 146       })
 147
 148       queue.on('error', err => {
 149         logger.error('Error in job queue %s.', handlerName, { err })
 150       })
 151
 152       this.queues[handlerName] = queue
 153     }
 154
 155     this.addRepeatableJobs()
 156   }
 157
 158   terminate () {
 159     for (const queueName of Object.keys(this.queues)) {
 160       const queue = this.queues[queueName]
 161       queue.close()
 162     }
 163   }
 164
 165   createJob (obj: CreateJobArgument, options: CreateJobOptions = {}): void {
 166     this.createJobWithPromise(obj, options)
 167         .catch(err => logger.error('Cannot create job.', { err, obj }))
 168   }
 169
 170   createJobWithPromise (obj: CreateJobArgument, options: CreateJobOptions = {}) {
 171     const queue = this.queues[obj.type]
 172     if (queue === undefined) {
 173       logger.error('Unknown queue %s: cannot create job.', obj.type)
 174       return
 175     }
 176
 177     const jobArgs: JobOptions = {
 178       backoff: { delay: 60 * 1000, type: 'exponential' },
 179       attempts: JOB_ATTEMPTS[obj.type],
 180       timeout: JOB_TTL[obj.type],
 181       priority: options.priority,
 182       delay: options.delay
 183     }
 184
 185     return queue.add(obj.payload, jobArgs)
 186   }
 187
 188   async listForApi (options: {
 189     state?: JobState
 190     start: number
 191     count: number
 192     asc?: boolean
 193     jobType: JobType
 194   }): Promise<Job[]> {
 195     const { state, start, count, asc, jobType } = options
 196
 197     const states = state ? [ state ] : jobStates
 198     let results: Job[] = []
 199
 200     const filteredJobTypes = this.filterJobTypes(jobType)
 201
 202     for (const jobType of filteredJobTypes) {
 203       const queue = this.queues[jobType]
 204       if (queue === undefined) {
 205         logger.error('Unknown queue %s to list jobs.', jobType)
 206         continue
 207       }
 208
 209       const jobs = await queue.getJobs(states, 0, start + count, asc)
 210       results = results.concat(jobs)
 211     }
 212
 213     results.sort((j1: any, j2: any) => {
 214       if (j1.timestamp < j2.timestamp) return -1
 215       else if (j1.timestamp === j2.timestamp) return 0
 216
 217       return 1
 218     })
 219
 220     if (asc === false) results.reverse()
 221
 222     return results.slice(start, start + count)
 223   }
 224
 225   async count (state: JobState, jobType?: JobType): Promise<number> {
 226     const states = state ? [ state ] : jobStates
 227     let total = 0
 228
 229     const filteredJobTypes = this.filterJobTypes(jobType)
 230
 231     for (const type of filteredJobTypes) {
 232       const queue = this.queues[type]
 233       if (queue === undefined) {
 234         logger.error('Unknown queue %s to count jobs.', type)
 235         continue
 236       }
 237
 238       const counts = await queue.getJobCounts()
 239
 240       for (const s of states) {
 241         total += counts[s]
 242       }
 243     }
 244
 245     return total
 246   }
 247
 248   async removeOldJobs () {
 249     for (const key of Object.keys(this.queues)) {
 250       const queue = this.queues[key]
 251       await queue.clean(JOB_COMPLETED_LIFETIME, 'completed')
 252     }
 253   }
 254
 255   private addRepeatableJobs () {
 256     this.queues['videos-views-stats'].add({}, {
 257       repeat: REPEAT_JOBS['videos-views-stats']
 258     }).catch(err => logger.error('Cannot add repeatable job.', { err }))
 259
 260     if (CONFIG.FEDERATION.VIDEOS.CLEANUP_REMOTE_INTERACTIONS) {
 261       this.queues['activitypub-cleaner'].add({}, {
 262         repeat: REPEAT_JOBS['activitypub-cleaner']
 263       }).catch(err => logger.error('Cannot add repeatable job.', { err }))
 264     }
 265   }
 266
 267   private filterJobTypes (jobType?: JobType) {
 268     if (!jobType) return jobTypes
 269
 270     return jobTypes.filter(t => t === jobType)
 271   }
 272
 273   private getJobConcurrency (jobType: JobType) {
 274     if (jobType === 'video-transcoding') return CONFIG.TRANSCODING.CONCURRENCY
 275     if (jobType === 'video-import') return CONFIG.IMPORT.VIDEOS.CONCURRENCY
 276
 277     return JOB_CONCURRENCY[jobType]
 278   }
 279
 280   static get Instance () {
 281     return this.instance || (this.instance = new this())
 282   }
 283 }
 284
 285 // ---------------------------------------------------------------------------
 286
 287 export {
 288   jobTypes,
 289   JobQueue
 290 }