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, getVideoWithToken
  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: '200KB'
  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       // With token to avoid issues with video follow constraints
  97       const res = await getVideoWithToken(server.url, server.accessToken, videoUUID)
  98
  99       const video: VideoDetails = res.body
 100       for (const f of video.files) {
 101         checkMagnetWebseeds(f, webseeds, server)
 102       }
 103     }
 104   }
 105 }
 106
 107 async function checkStatsWith2Webseed (strategy: VideoRedundancyStrategy) {
 108   const res = await getStats(servers[0].url)
 109   const data: ServerStats = res.body
 110
 111   expect(data.videosRedundancy).to.have.lengthOf(1)
 112   const stat = data.videosRedundancy[0]
 113
 114   expect(stat.strategy).to.equal(strategy)
 115   expect(stat.totalSize).to.equal(204800)
 116   expect(stat.totalUsed).to.be.at.least(1).and.below(204801)
 117   expect(stat.totalVideoFiles).to.equal(4)
 118   expect(stat.totalVideos).to.equal(1)
 119 }
 120
 121 async function checkStatsWith1Webseed (strategy: VideoRedundancyStrategy) {
 122   const res = await getStats(servers[0].url)
 123   const data: ServerStats = res.body
 124
 125   expect(data.videosRedundancy).to.have.lengthOf(1)
 126
 127   const stat = data.videosRedundancy[0]
 128   expect(stat.strategy).to.equal(strategy)
 129   expect(stat.totalSize).to.equal(204800)
 130   expect(stat.totalUsed).to.equal(0)
 131   expect(stat.totalVideoFiles).to.equal(0)
 132   expect(stat.totalVideos).to.equal(0)
 133 }
 134
 135 async function check2Webseeds (strategy: VideoRedundancyStrategy, videoUUID?: string) {
 136   if (!videoUUID) videoUUID = video1Server2UUID
 137
 138   const webseeds = [
 139     'http://localhost:9001/static/redundancy/' + videoUUID,
 140     'http://localhost:9002/static/webseed/' + videoUUID
 141   ]
 142
 143   for (const server of servers) {
 144     const res = await getVideo(server.url, videoUUID)
 145
 146     const video: VideoDetails = res.body
 147
 148     for (const file of video.files) {
 149       checkMagnetWebseeds(file, webseeds, server)
 150
 151       await makeGetRequest({
 152         url: servers[0].url,
 153         statusCodeExpected: 200,
 154         path: '/static/redundancy/' + `${videoUUID}-${file.resolution.id}.mp4`,
 155         contentType: null
 156       })
 157       await makeGetRequest({
 158         url: servers[1].url,
 159         statusCodeExpected: 200,
 160         path: '/static/webseed/' + `${videoUUID}-${file.resolution.id}.mp4`,
 161         contentType: null
 162       })
 163     }
 164   }
 165
 166   for (const directory of [ 'test1/redundancy', 'test2/videos' ]) {
 167     const files = await readdir(join(root(), directory))
 168     expect(files).to.have.length.at.least(4)
 169
 170     for (const resolution of [ 240, 360, 480, 720 ]) {
 171       expect(files.find(f => f === `${videoUUID}-${resolution}.mp4`)).to.not.be.undefined
 172     }
 173   }
 174 }
 175
 176 async function enableRedundancyOnServer1 () {
 177   await updateRedundancy(servers[ 0 ].url, servers[ 0 ].accessToken, servers[ 1 ].host, true)
 178
 179   const res = await getFollowingListPaginationAndSort(servers[ 0 ].url, 0, 5, '-createdAt')
 180   const follows: ActorFollow[] = res.body.data
 181   const server2 = follows.find(f => f.following.host === 'localhost:9002')
 182   const server3 = follows.find(f => f.following.host === 'localhost:9003')
 183
 184   expect(server3).to.not.be.undefined
 185   expect(server3.following.hostRedundancyAllowed).to.be.false
 186
 187   expect(server2).to.not.be.undefined
 188   expect(server2.following.hostRedundancyAllowed).to.be.true
 189 }
 190
 191 async function disableRedundancyOnServer1 () {
 192   await updateRedundancy(servers[ 0 ].url, servers[ 0 ].accessToken, servers[ 1 ].host, false)
 193
 194   const res = await getFollowingListPaginationAndSort(servers[ 0 ].url, 0, 5, '-createdAt')
 195   const follows: ActorFollow[] = res.body.data
 196   const server2 = follows.find(f => f.following.host === 'localhost:9002')
 197   const server3 = follows.find(f => f.following.host === 'localhost:9003')
 198
 199   expect(server3).to.not.be.undefined
 200   expect(server3.following.hostRedundancyAllowed).to.be.false
 201
 202   expect(server2).to.not.be.undefined
 203   expect(server2.following.hostRedundancyAllowed).to.be.false
 204 }
 205
 206 async function cleanServers () {
 207   killallServers(servers)
 208 }
 209
 210 describe('Test videos redundancy', function () {
 211
 212   describe('With most-views strategy', function () {
 213     const strategy = 'most-views'
 214
 215     before(function () {
 216       this.timeout(120000)
 217
 218       return runServers(strategy)
 219     })
 220
 221     it('Should have 1 webseed on the first video', async function () {
 222       await check1WebSeed(strategy)
 223       await checkStatsWith1Webseed(strategy)
 224     })
 225
 226     it('Should enable redundancy on server 1', function () {
 227       return enableRedundancyOnServer1()
 228     })
 229
 230     it('Should have 2 webseeds on the first video', async function () {
 231       this.timeout(40000)
 232
 233       await waitJobs(servers)
 234       await waitUntilLog(servers[0], 'Duplicated ', 4)
 235       await waitJobs(servers)
 236
 237       await check2Webseeds(strategy)
 238       await checkStatsWith2Webseed(strategy)
 239     })
 240
 241     it('Should undo redundancy on server 1 and remove duplicated videos', async function () {
 242       this.timeout(40000)
 243
 244       await disableRedundancyOnServer1()
 245
 246       await waitJobs(servers)
 247       await wait(5000)
 248
 249       await check1WebSeed(strategy)
 250
 251       await checkVideoFilesWereRemoved(video1Server2UUID, servers[0].serverNumber, [ 'videos' ])
 252     })
 253
 254     after(function () {
 255       return cleanServers()
 256     })
 257   })
 258
 259   describe('With trending strategy', function () {
 260     const strategy = 'trending'
 261
 262     before(function () {
 263       this.timeout(120000)
 264
 265       return runServers(strategy)
 266     })
 267
 268     it('Should have 1 webseed on the first video', async function () {
 269       await check1WebSeed(strategy)
 270       await checkStatsWith1Webseed(strategy)
 271     })
 272
 273     it('Should enable redundancy on server 1', function () {
 274       return enableRedundancyOnServer1()
 275     })
 276
 277     it('Should have 2 webseeds on the first video', async function () {
 278       this.timeout(40000)
 279
 280       await waitJobs(servers)
 281       await waitUntilLog(servers[0], 'Duplicated ', 4)
 282       await waitJobs(servers)
 283
 284       await check2Webseeds(strategy)
 285       await checkStatsWith2Webseed(strategy)
 286     })
 287
 288     it('Should unfollow on server 1 and remove duplicated videos', async function () {
 289       this.timeout(40000)
 290
 291       await unfollow(servers[0].url, servers[0].accessToken, servers[1])
 292
 293       await waitJobs(servers)
 294       await wait(5000)
 295
 296       await check1WebSeed(strategy)
 297
 298       await checkVideoFilesWereRemoved(video1Server2UUID, servers[0].serverNumber, [ 'videos' ])
 299     })
 300
 301     after(function () {
 302       return cleanServers()
 303     })
 304   })
 305
 306   describe('With recently added strategy', function () {
 307     const strategy = 'recently-added'
 308
 309     before(function () {
 310       this.timeout(120000)
 311
 312       return runServers(strategy, { min_views: 3 })
 313     })
 314
 315     it('Should have 1 webseed on the first video', async function () {
 316       await check1WebSeed(strategy)
 317       await checkStatsWith1Webseed(strategy)
 318     })
 319
 320     it('Should enable redundancy on server 1', function () {
 321       return enableRedundancyOnServer1()
 322     })
 323
 324     it('Should still have 1 webseed on the first video', async function () {
 325       this.timeout(40000)
 326
 327       await waitJobs(servers)
 328       await wait(15000)
 329       await waitJobs(servers)
 330
 331       await check1WebSeed(strategy)
 332       await checkStatsWith1Webseed(strategy)
 333     })
 334
 335     it('Should view 2 times the first video to have > min_views config', async function () {
 336       this.timeout(40000)
 337
 338       await viewVideo(servers[ 0 ].url, video1Server2UUID)
 339       await viewVideo(servers[ 2 ].url, video1Server2UUID)
 340
 341       await wait(10000)
 342       await waitJobs(servers)
 343     })
 344
 345     it('Should have 2 webseeds on the first video', async function () {
 346       this.timeout(40000)
 347
 348       await waitJobs(servers)
 349       await waitUntilLog(servers[0], 'Duplicated ', 4)
 350       await waitJobs(servers)
 351
 352       await check2Webseeds(strategy)
 353       await checkStatsWith2Webseed(strategy)
 354     })
 355
 356     it('Should remove the video and the redundancy files', async function () {
 357       this.timeout(20000)
 358
 359       await removeVideo(servers[1].url, servers[1].accessToken, video1Server2UUID)
 360
 361       await waitJobs(servers)
 362
 363       for (const server of servers) {
 364         await checkVideoFilesWereRemoved(video1Server2UUID, server.serverNumber)
 365       }
 366     })
 367
 368     after(function () {
 369       return cleanServers()
 370     })
 371   })
 372
 373   describe('Test expiration', function () {
 374     const strategy = 'recently-added'
 375
 376     async function checkContains (servers: ServerInfo[], str: string) {
 377       for (const server of servers) {
 378         const res = await getVideo(server.url, video1Server2UUID)
 379         const video: VideoDetails = res.body
 380
 381         for (const f of video.files) {
 382           expect(f.magnetUri).to.contain(str)
 383         }
 384       }
 385     }
 386
 387     async function checkNotContains (servers: ServerInfo[], str: string) {
 388       for (const server of servers) {
 389         const res = await getVideo(server.url, video1Server2UUID)
 390         const video: VideoDetails = res.body
 391
 392         for (const f of video.files) {
 393           expect(f.magnetUri).to.not.contain(str)
 394         }
 395       }
 396     }
 397
 398     before(async function () {
 399       this.timeout(120000)
 400
 401       await runServers(strategy, { min_lifetime: '7 seconds', min_views: 0 })
 402
 403       await enableRedundancyOnServer1()
 404     })
 405
 406     it('Should still have 2 webseeds after 10 seconds', async function () {
 407       this.timeout(40000)
 408
 409       await wait(10000)
 410
 411       try {
 412         await checkContains(servers, 'http%3A%2F%2Flocalhost%3A9001')
 413       } catch {
 414         // Maybe a server deleted a redundancy in the scheduler
 415         await wait(2000)
 416
 417         await checkContains(servers, 'http%3A%2F%2Flocalhost%3A9001')
 418       }
 419     })
 420
 421     it('Should stop server 1 and expire video redundancy', async function () {
 422       this.timeout(40000)
 423
 424       killallServers([ servers[0] ])
 425
 426       await wait(15000)
 427
 428       await checkNotContains([ servers[1], servers[2] ], 'http%3A%2F%2Flocalhost%3A9001')
 429     })
 430
 431     after(function () {
 432       return killallServers([ servers[1], servers[2] ])
 433     })
 434   })
 435
 436   describe('Test file replacement', function () {
 437     let video2Server2UUID: string
 438     const strategy = 'recently-added'
 439
 440     before(async function () {
 441       this.timeout(120000)
 442
 443       await runServers(strategy, { min_lifetime: '7 seconds', min_views: 0 })
 444
 445       await enableRedundancyOnServer1()
 446
 447       await waitJobs(servers)
 448       await waitUntilLog(servers[0], 'Duplicated ', 4)
 449       await waitJobs(servers)
 450
 451       await check2Webseeds(strategy)
 452       await checkStatsWith2Webseed(strategy)
 453
 454       const res = await uploadVideo(servers[ 1 ].url, servers[ 1 ].accessToken, { name: 'video 2 server 2' })
 455       video2Server2UUID = res.body.video.uuid
 456     })
 457
 458     it('Should cache video 2 webseeds on the first video', async function () {
 459       this.timeout(120000)
 460
 461       await waitJobs(servers)
 462
 463       let checked = false
 464
 465       while (checked === false) {
 466         await wait(1000)
 467
 468         try {
 469           await check1WebSeed(strategy, video1Server2UUID)
 470           await check2Webseeds(strategy, video2Server2UUID)
 471
 472           checked = true
 473         } catch {
 474           checked = false
 475         }
 476       }
 477     })
 478
 479     after(function () {
 480       return cleanServers()
 481     })
 482   })
 483 })