server/tests/api/redundancy/redundancy.ts

   1 /* tslint:disable:no-unused-expression */
   2
   3 import * as chai from 'chai'
   4 import 'mocha'
   5 import { VideoDetails } from '../../../../shared/models/videos'
   6 import {
   7   doubleFollow,
   8   flushAndRunMultipleServers,
   9   getFollowingListPaginationAndSort,
  10   getVideo,
  11   immutableAssign,
  12   killallServers, makeGetRequest,
  13   root,
  14   ServerInfo,
  15   setAccessTokensToServers, unfollow,
  16   uploadVideo,
  17   viewVideo,
  18   wait,
  19   waitUntilLog,
  20   checkVideoFilesWereRemoved, removeVideo
  21 } from '../../utils'
  22 import { waitJobs } from '../../utils/server/jobs'
  23 import * as magnetUtil from 'magnet-uri'
  24 import { updateRedundancy } from '../../utils/server/redundancy'
  25 import { ActorFollow } from '../../../../shared/models/actors'
  26 import { readdir } from 'fs-extra'
  27 import { join } from 'path'
  28 import { VideoRedundancyStrategy } from '../../../../shared/models/redundancy'
  29 import { getStats } from '../../utils/server/stats'
  30 import { ServerStats } from '../../../../shared/models/server/server-stats.model'
  31
  32 const expect = chai.expect
  33
  34 let servers: ServerInfo[] = []
  35 let video1Server2UUID: string
  36
  37 function checkMagnetWebseeds (file: { magnetUri: string, resolution: { id: number } }, baseWebseeds: string[], server: ServerInfo) {
  38   const parsed = magnetUtil.decode(file.magnetUri)
  39
  40   for (const ws of baseWebseeds) {
  41     const found = parsed.urlList.find(url => url === `${ws}-${file.resolution.id}.mp4`)
  42     expect(found, `Webseed ${ws} not found in ${file.magnetUri} on server ${server.url}`).to.not.be.undefined
  43   }
  44
  45   expect(parsed.urlList).to.have.lengthOf(baseWebseeds.length)
  46 }
  47
  48 async function runServers (strategy: VideoRedundancyStrategy, additionalParams: any = {}) {
  49   const config = {
  50     redundancy: {
  51       videos: {
  52         check_interval: '5 seconds',
  53         strategies: [
  54           immutableAssign({
  55             min_lifetime: '1 hour',
  56             strategy: strategy,
  57             size: '100KB'
  58           }, additionalParams)
  59         ]
  60       }
  61     }
  62   }
  63   servers = await flushAndRunMultipleServers(3, config)
  64
  65   // Get the access tokens
  66   await setAccessTokensToServers(servers)
  67
  68   {
  69     const res = await uploadVideo(servers[ 1 ].url, servers[ 1 ].accessToken, { name: 'video 1 server 2' })
  70     video1Server2UUID = res.body.video.uuid
  71
  72     await viewVideo(servers[ 1 ].url, video1Server2UUID)
  73   }
  74
  75   await waitJobs(servers)
  76
  77   // Server 1 and server 2 follow each other
  78   await doubleFollow(servers[ 0 ], servers[ 1 ])
  79   // Server 1 and server 3 follow each other
  80   await doubleFollow(servers[ 0 ], servers[ 2 ])
  81   // Server 2 and server 3 follow each other
  82   await doubleFollow(servers[ 1 ], servers[ 2 ])
  83
  84   await waitJobs(servers)
  85 }
  86
  87 async function check1WebSeed (strategy: VideoRedundancyStrategy, videoUUID?: string) {
  88   if (!videoUUID) videoUUID = video1Server2UUID
  89
  90   const webseeds = [
  91     'http://localhost:9002/static/webseed/' + videoUUID
  92   ]
  93
  94   for (const server of servers) {
  95     {
  96       const res = await getVideo(server.url, videoUUID)
  97
  98       const video: VideoDetails = res.body
  99       for (const f of video.files) {
 100         checkMagnetWebseeds(f, webseeds, server)
 101       }
 102     }
 103   }
 104 }
 105
 106 async function checkStatsWith2Webseed (strategy: VideoRedundancyStrategy) {
 107   const res = await getStats(servers[0].url)
 108   const data: ServerStats = res.body
 109
 110   expect(data.videosRedundancy).to.have.lengthOf(1)
 111   const stat = data.videosRedundancy[0]
 112
 113   expect(stat.strategy).to.equal(strategy)
 114   expect(stat.totalSize).to.equal(102400)
 115   expect(stat.totalUsed).to.be.at.least(1).and.below(102401)
 116   expect(stat.totalVideoFiles).to.equal(4)
 117   expect(stat.totalVideos).to.equal(1)
 118 }
 119
 120 async function checkStatsWith1Webseed (strategy: VideoRedundancyStrategy) {
 121   const res = await getStats(servers[0].url)
 122   const data: ServerStats = res.body
 123
 124   expect(data.videosRedundancy).to.have.lengthOf(1)
 125
 126   const stat = data.videosRedundancy[0]
 127   expect(stat.strategy).to.equal(strategy)
 128   expect(stat.totalSize).to.equal(102400)
 129   expect(stat.totalUsed).to.equal(0)
 130   expect(stat.totalVideoFiles).to.equal(0)
 131   expect(stat.totalVideos).to.equal(0)
 132 }
 133
 134 async function check2Webseeds (strategy: VideoRedundancyStrategy, videoUUID?: string) {
 135   if (!videoUUID) videoUUID = video1Server2UUID
 136
 137   const webseeds = [
 138     'http://localhost:9001/static/webseed/' + videoUUID,
 139     'http://localhost:9002/static/webseed/' + videoUUID
 140   ]
 141
 142   for (const server of servers) {
 143     const res = await getVideo(server.url, videoUUID)
 144
 145     const video: VideoDetails = res.body
 146
 147     for (const file of video.files) {
 148       checkMagnetWebseeds(file, webseeds, server)
 149
 150       // Only servers 1 and 2 have the video
 151       if (server.serverNumber !== 3) {
 152         await makeGetRequest({
 153           url: server.url,
 154           statusCodeExpected: 200,
 155           path: '/static/webseed/' + `${videoUUID}-${file.resolution.id}.mp4`,
 156           contentType: null
 157         })
 158       }
 159     }
 160   }
 161
 162   for (const directory of [ 'test1', 'test2' ]) {
 163     const files = await readdir(join(root(), directory, 'videos'))
 164     expect(files).to.have.length.at.least(4)
 165
 166     for (const resolution of [ 240, 360, 480, 720 ]) {
 167       expect(files.find(f => f === `${videoUUID}-${resolution}.mp4`)).to.not.be.undefined
 168     }
 169   }
 170 }
 171
 172 async function enableRedundancyOnServer1 () {
 173   await updateRedundancy(servers[ 0 ].url, servers[ 0 ].accessToken, servers[ 1 ].host, true)
 174
 175   const res = await getFollowingListPaginationAndSort(servers[ 0 ].url, 0, 5, '-createdAt')
 176   const follows: ActorFollow[] = res.body.data
 177   const server2 = follows.find(f => f.following.host === 'localhost:9002')
 178   const server3 = follows.find(f => f.following.host === 'localhost:9003')
 179
 180   expect(server3).to.not.be.undefined
 181   expect(server3.following.hostRedundancyAllowed).to.be.false
 182
 183   expect(server2).to.not.be.undefined
 184   expect(server2.following.hostRedundancyAllowed).to.be.true
 185 }
 186
 187 async function disableRedundancyOnServer1 () {
 188   await updateRedundancy(servers[ 0 ].url, servers[ 0 ].accessToken, servers[ 1 ].host, false)
 189
 190   const res = await getFollowingListPaginationAndSort(servers[ 0 ].url, 0, 5, '-createdAt')
 191   const follows: ActorFollow[] = res.body.data
 192   const server2 = follows.find(f => f.following.host === 'localhost:9002')
 193   const server3 = follows.find(f => f.following.host === 'localhost:9003')
 194
 195   expect(server3).to.not.be.undefined
 196   expect(server3.following.hostRedundancyAllowed).to.be.false
 197
 198   expect(server2).to.not.be.undefined
 199   expect(server2.following.hostRedundancyAllowed).to.be.false
 200 }
 201
 202 async function cleanServers () {
 203   killallServers(servers)
 204 }
 205
 206 describe('Test videos redundancy', function () {
 207
 208   describe('With most-views strategy', function () {
 209     const strategy = 'most-views'
 210
 211     before(function () {
 212       this.timeout(120000)
 213
 214       return runServers(strategy)
 215     })
 216
 217     it('Should have 1 webseed on the first video', async function () {
 218       await check1WebSeed(strategy)
 219       await checkStatsWith1Webseed(strategy)
 220     })
 221
 222     it('Should enable redundancy on server 1', function () {
 223       return enableRedundancyOnServer1()
 224     })
 225
 226     it('Should have 2 webseed on the first video', async function () {
 227       this.timeout(40000)
 228
 229       await waitJobs(servers)
 230       await waitUntilLog(servers[0], 'Duplicated ', 4)
 231       await waitJobs(servers)
 232
 233       await check2Webseeds(strategy)
 234       await checkStatsWith2Webseed(strategy)
 235     })
 236
 237     it('Should undo redundancy on server 1 and remove duplicated videos', async function () {
 238       this.timeout(40000)
 239
 240       await disableRedundancyOnServer1()
 241
 242       await waitJobs(servers)
 243       await wait(5000)
 244
 245       await check1WebSeed(strategy)
 246
 247       await checkVideoFilesWereRemoved(video1Server2UUID, servers[0].serverNumber, [ 'videos' ])
 248     })
 249
 250     after(function () {
 251       return cleanServers()
 252     })
 253   })
 254
 255   describe('With trending strategy', function () {
 256     const strategy = 'trending'
 257
 258     before(function () {
 259       this.timeout(120000)
 260
 261       return runServers(strategy)
 262     })
 263
 264     it('Should have 1 webseed on the first video', async function () {
 265       await check1WebSeed(strategy)
 266       await checkStatsWith1Webseed(strategy)
 267     })
 268
 269     it('Should enable redundancy on server 1', function () {
 270       return enableRedundancyOnServer1()
 271     })
 272
 273     it('Should have 2 webseed on the first video', async function () {
 274       this.timeout(40000)
 275
 276       await waitJobs(servers)
 277       await waitUntilLog(servers[0], 'Duplicated ', 4)
 278       await waitJobs(servers)
 279
 280       await check2Webseeds(strategy)
 281       await checkStatsWith2Webseed(strategy)
 282     })
 283
 284     it('Should unfollow on server 1 and remove duplicated videos', async function () {
 285       this.timeout(40000)
 286
 287       await unfollow(servers[0].url, servers[0].accessToken, servers[1])
 288
 289       await waitJobs(servers)
 290       await wait(5000)
 291
 292       await check1WebSeed(strategy)
 293
 294       await checkVideoFilesWereRemoved(video1Server2UUID, servers[0].serverNumber, [ 'videos' ])
 295     })
 296
 297     after(function () {
 298       return cleanServers()
 299     })
 300   })
 301
 302   describe('With recently added strategy', function () {
 303     const strategy = 'recently-added'
 304
 305     before(function () {
 306       this.timeout(120000)
 307
 308       return runServers(strategy, { min_views: 3 })
 309     })
 310
 311     it('Should have 1 webseed on the first video', async function () {
 312       await check1WebSeed(strategy)
 313       await checkStatsWith1Webseed(strategy)
 314     })
 315
 316     it('Should enable redundancy on server 1', function () {
 317       return enableRedundancyOnServer1()
 318     })
 319
 320     it('Should still have 1 webseed on the first video', async function () {
 321       this.timeout(40000)
 322
 323       await waitJobs(servers)
 324       await wait(15000)
 325       await waitJobs(servers)
 326
 327       await check1WebSeed(strategy)
 328       await checkStatsWith1Webseed(strategy)
 329     })
 330
 331     it('Should view 2 times the first video to have > min_views config', async function () {
 332       this.timeout(40000)
 333
 334       await viewVideo(servers[ 0 ].url, video1Server2UUID)
 335       await viewVideo(servers[ 2 ].url, video1Server2UUID)
 336
 337       await wait(10000)
 338       await waitJobs(servers)
 339     })
 340
 341     it('Should have 2 webseed on the first video', async function () {
 342       this.timeout(40000)
 343
 344       await waitJobs(servers)
 345       await waitUntilLog(servers[0], 'Duplicated ', 4)
 346       await waitJobs(servers)
 347
 348       await check2Webseeds(strategy)
 349       await checkStatsWith2Webseed(strategy)
 350     })
 351
 352     it('Should remove the video and the redundancy files', async function () {
 353       this.timeout(20000)
 354
 355       await removeVideo(servers[1].url, servers[1].accessToken, video1Server2UUID)
 356
 357       await waitJobs(servers)
 358
 359       for (const server of servers) {
 360         await checkVideoFilesWereRemoved(video1Server2UUID, server.serverNumber)
 361       }
 362     })
 363
 364     after(function () {
 365       return cleanServers()
 366     })
 367   })
 368
 369   describe('Test expiration', function () {
 370     const strategy = 'recently-added'
 371
 372     async function checkContains (servers: ServerInfo[], str: string) {
 373       for (const server of servers) {
 374         const res = await getVideo(server.url, video1Server2UUID)
 375         const video: VideoDetails = res.body
 376
 377         for (const f of video.files) {
 378           expect(f.magnetUri).to.contain(str)
 379         }
 380       }
 381     }
 382
 383     async function checkNotContains (servers: ServerInfo[], str: string) {
 384       for (const server of servers) {
 385         const res = await getVideo(server.url, video1Server2UUID)
 386         const video: VideoDetails = res.body
 387
 388         for (const f of video.files) {
 389           expect(f.magnetUri).to.not.contain(str)
 390         }
 391       }
 392     }
 393
 394     before(async function () {
 395       this.timeout(120000)
 396
 397       await runServers(strategy, { min_lifetime: '7 seconds', min_views: 0 })
 398
 399       await enableRedundancyOnServer1()
 400     })
 401
 402     it('Should still have 2 webseeds after 10 seconds', async function () {
 403       this.timeout(40000)
 404
 405       await wait(10000)
 406
 407       try {
 408         await checkContains(servers, 'http%3A%2F%2Flocalhost%3A9001')
 409       } catch {
 410         // Maybe a server deleted a redundancy in the scheduler
 411         await wait(2000)
 412
 413         await checkContains(servers, 'http%3A%2F%2Flocalhost%3A9001')
 414       }
 415     })
 416
 417     it('Should stop server 1 and expire video redundancy', async function () {
 418       this.timeout(40000)
 419
 420       killallServers([ servers[0] ])
 421
 422       await wait(10000)
 423
 424       await checkNotContains([ servers[1], servers[2] ], 'http%3A%2F%2Flocalhost%3A9001')
 425     })
 426
 427     after(function () {
 428       return killallServers([ servers[1], servers[2] ])
 429     })
 430   })
 431
 432   describe('Test file replacement', function () {
 433     let video2Server2UUID: string
 434     const strategy = 'recently-added'
 435
 436     before(async function () {
 437       this.timeout(120000)
 438
 439       await runServers(strategy, { min_lifetime: '7 seconds', min_views: 0 })
 440
 441       await enableRedundancyOnServer1()
 442
 443       await waitJobs(servers)
 444       await waitUntilLog(servers[0], 'Duplicated ', 4)
 445       await waitJobs(servers)
 446
 447       await check2Webseeds(strategy)
 448       await checkStatsWith2Webseed(strategy)
 449
 450       const res = await uploadVideo(servers[ 1 ].url, servers[ 1 ].accessToken, { name: 'video 2 server 2' })
 451       video2Server2UUID = res.body.video.uuid
 452     })
 453
 454     it('Should cache video 2 webseed on the first video', async function () {
 455       this.timeout(50000)
 456
 457       await waitJobs(servers)
 458
 459       await wait(7000)
 460
 461       try {
 462         await check1WebSeed(strategy, video1Server2UUID)
 463         await check2Webseeds(strategy, video2Server2UUID)
 464       } catch {
 465         await wait(3000)
 466
 467         try {
 468           await check1WebSeed(strategy, video1Server2UUID)
 469           await check2Webseeds(strategy, video2Server2UUID)
 470         } catch {
 471           await wait(5000)
 472
 473           await check1WebSeed(strategy, video1Server2UUID)
 474           await check2Webseeds(strategy, video2Server2UUID)
 475         }
 476       }
 477     })
 478
 479     after(function () {
 480       return cleanServers()
 481     })
 482   })
 483 })