server/tests/real-world/real-world.ts

   1 import * as program from 'commander'
   2
   3 // /!\ Before imports /!\
   4 process.env.NODE_ENV = 'test'
   5
   6 import { REQUESTS_INTERVAL } from '../../initializers/constants'
   7 import { Video, VideoRateType, VideoFile } from '../../../shared'
   8 import {
   9   ServerInfo as DefaultServerInfo,
  10   flushAndRunMultipleServers,
  11   setAccessTokensToServers,
  12   makeFriends,
  13   wait,
  14   killallServers,
  15   flushTests,
  16   uploadVideo,
  17   getVideosList,
  18   updateVideo,
  19   removeVideo,
  20   getVideo,
  21   getAllVideosListBy,
  22   getRequestsStats
  23 } from '../utils'
  24
  25 interface ServerInfo extends DefaultServerInfo {
  26   requestsNumber: number
  27 }
  28
  29 program
  30   .option('-c, --create [weight]', 'Weight for creating videos')
  31   .option('-r, --remove [weight]', 'Weight for removing videos')
  32   .option('-u, --update [weight]', 'Weight for updating videos')
  33   .option('-v, --view [weight]', 'Weight for viewing videos')
  34   .option('-l, --like [weight]', 'Weight for liking videos')
  35   .option('-s, --dislike [weight]', 'Weight for disliking videos')
  36   .option('-p, --pods [n]', 'Number of pods to run (3 or 6)', /^3|6$/, 3)
  37   .option('-i, --interval-action [interval]', 'Interval in ms for an action')
  38   .option('-I, --interval-integrity [interval]', 'Interval in ms for an integrity check')
  39   .option('-f, --flush', 'Flush datas on exit')
  40   .option('-d, --difference', 'Display difference if integrity is not okay')
  41   .parse(process.argv)
  42
  43 const createWeight = program['create'] !== undefined ? parseInt(program['create'], 10) : 5
  44 const removeWeight = program['remove'] !== undefined ? parseInt(program['remove'], 10) : 4
  45 const updateWeight = program['update'] !== undefined ? parseInt(program['update'], 10) : 4
  46 const viewWeight = program['view'] !== undefined ? parseInt(program['view'], 10) : 4
  47 const likeWeight = program['like'] !== undefined ? parseInt(program['like'], 10) : 4
  48 const dislikeWeight = program['dislike'] !== undefined ? parseInt(program['dislike'], 10) : 4
  49 const flushAtExit = program['flush'] || false
  50 const actionInterval = program['intervalAction'] !== undefined ? parseInt(program['intervalAction'], 10) : 500
  51 const integrityInterval = program['intervalIntegrity'] !== undefined ? parseInt(program['intervalIntegrity'], 10) : 60000
  52 const displayDiffOnFail = program['difference'] || false
  53
  54 const numberOfPods = 6
  55
  56 console.log(
  57   'Create weight: %d, update weight: %d, remove weight: %d, view weight: %d, like weight: %d, dislike weight: %d.',
  58   createWeight, updateWeight, removeWeight, viewWeight, likeWeight, dislikeWeight
  59 )
  60
  61 if (flushAtExit) {
  62   console.log('Program will flush data on exit.')
  63 } else {
  64   console.log('Program will not flush data on exit.')
  65 }
  66 if (displayDiffOnFail) {
  67   console.log('Program will display diff on failure.')
  68 } else {
  69   console.log('Program will not display diff on failure')
  70 }
  71 console.log('Interval in ms for each action: %d.', actionInterval)
  72 console.log('Interval in ms for each integrity check: %d.', integrityInterval)
  73
  74 console.log('Run servers...')
  75
  76 start()
  77
  78 // ----------------------------------------------------------------------------
  79
  80 async function start () {
  81   const servers = await runServers(numberOfPods)
  82
  83   process.on('exit', async () => await exitServers(servers, flushAtExit))
  84   process.on('SIGINT', goodbye)
  85   process.on('SIGTERM', goodbye)
  86
  87   console.log('Servers runned')
  88   initializeRequestsPerServer(servers)
  89
  90   let checking = false
  91
  92   setInterval(async () => {
  93     if (checking === true) return
  94
  95     const rand = getRandomInt(0, createWeight + updateWeight + removeWeight + viewWeight + likeWeight + dislikeWeight)
  96
  97     const numServer = getRandomNumServer(servers)
  98     servers[numServer].requestsNumber++
  99
 100     if (rand < createWeight) {
 101       await upload(servers, numServer)
 102     } else if (rand < createWeight + updateWeight) {
 103       await update(servers, numServer)
 104     } else if (rand < createWeight + updateWeight + removeWeight) {
 105       await remove(servers, numServer)
 106     } else if (rand < createWeight + updateWeight + removeWeight + viewWeight) {
 107       await view(servers, numServer)
 108     } else if (rand < createWeight + updateWeight + removeWeight + viewWeight + likeWeight) {
 109       await like(servers, numServer)
 110     } else {
 111       await dislike(servers, numServer)
 112     }
 113   }, actionInterval)
 114
 115   // The function will check the consistency between servers (should have the same videos with same attributes...)
 116   setInterval(function () {
 117     if (checking === true) return
 118
 119     console.log('Checking integrity...')
 120     checking = true
 121
 122     const waitingInterval = setInterval(async () => {
 123       const pendingRequests = await isTherePendingRequests(servers)
 124       if (pendingRequests === true) {
 125         console.log('A server has pending requests, waiting...')
 126         return
 127       }
 128
 129       // Even if there are no pending request, wait some potential processes
 130       await wait(2000)
 131       await checkIntegrity(servers)
 132
 133       initializeRequestsPerServer(servers)
 134       checking = false
 135       clearInterval(waitingInterval)
 136     }, REQUESTS_INTERVAL)
 137   }, integrityInterval)
 138 }
 139
 140 function initializeRequestsPerServer (servers: ServerInfo[]) {
 141   servers.forEach(server => server.requestsNumber = 0)
 142 }
 143
 144 function getRandomInt (min, max) {
 145   return Math.floor(Math.random() * (max - min)) + min
 146 }
 147
 148 function getRandomNumServer (servers) {
 149   return getRandomInt(0, servers.length)
 150 }
 151
 152 async function runServers (numberOfPods: number) {
 153   let servers = null
 154
 155   // Run servers
 156   servers = await flushAndRunMultipleServers(numberOfPods)
 157
 158   // Get the access tokens
 159   await setAccessTokensToServers(servers)
 160
 161   await makeFriends(servers[1].url, servers[1].accessToken)
 162   await makeFriends(servers[0].url, servers[0].accessToken)
 163   await wait(1000)
 164
 165   await makeFriends(servers[3].url, servers[3].accessToken)
 166   await makeFriends(servers[5].url, servers[5].accessToken)
 167   await makeFriends(servers[4].url, servers[4].accessToken)
 168
 169   await wait(1000)
 170
 171   return servers
 172 }
 173
 174 async function exitServers (servers: ServerInfo[], flushAtExit: boolean) {
 175   killallServers(servers)
 176
 177   if (flushAtExit) await flushTests()
 178 }
 179
 180 function upload (servers: ServerInfo[], numServer: number) {
 181   console.log('Uploading video to server ' + numServer)
 182
 183   const videoAttributes = {
 184     name: Date.now() + ' name',
 185     category: 4,
 186     nsfw: false,
 187     licence: 2,
 188     language: 1,
 189     description: Date.now() + ' description',
 190     tags: [ Date.now().toString().substring(0, 5) + 't1', Date.now().toString().substring(0, 5) + 't2' ],
 191     fixture: 'video_short1.webm'
 192   }
 193   return uploadVideo(servers[numServer].url, servers[numServer].accessToken, videoAttributes)
 194 }
 195
 196 async function update (servers: ServerInfo[], numServer: number) {
 197   const res = await getVideosList(servers[numServer].url)
 198
 199   const videos = res.body.data.filter(video => video.isLocal === true)
 200   if (videos.length === 0) return undefined
 201
 202   const toUpdate = videos[getRandomInt(0, videos.length)].id
 203   const attributes = {
 204     name: Date.now() + ' name',
 205     description: Date.now() + ' description',
 206     tags: [ Date.now().toString().substring(0, 5) + 't1', Date.now().toString().substring(0, 5) + 't2' ]
 207   }
 208
 209   console.log('Updating video of server ' + numServer)
 210
 211   return updateVideo(servers[numServer].url, servers[numServer].accessToken, toUpdate, attributes)
 212 }
 213
 214 async function remove (servers: ServerInfo[], numServer: number) {
 215   const res = await getVideosList(servers[numServer].url)
 216   const videos = res.body.data.filter(video => video.isLocal === true)
 217   if (videos.length === 0) return undefined
 218
 219   const toRemove = videos[getRandomInt(0, videos.length)].id
 220
 221   console.log('Removing video from server ' + numServer)
 222   return removeVideo(servers[numServer].url, servers[numServer].accessToken, toRemove)
 223 }
 224
 225 async function view (servers: ServerInfo[], numServer: number) {
 226   const res = await getVideosList(servers[numServer].url)
 227
 228   const videos = res.body.data
 229   if (videos.length === 0) return undefined
 230
 231   const toView = videos[getRandomInt(0, videos.length)].id
 232
 233   console.log('Viewing video from server ' + numServer)
 234   return getVideo(servers[numServer].url, toView)
 235 }
 236
 237 function like (servers: ServerInfo[], numServer: number) {
 238   return rate(servers, numServer, 'like')
 239 }
 240
 241 function dislike (servers: ServerInfo[], numServer: number) {
 242   return rate(servers, numServer, 'dislike')
 243 }
 244
 245 async function rate (servers: ServerInfo[], numServer: number, rating: VideoRateType) {
 246   const res = await getVideosList(servers[numServer].url)
 247
 248   const videos = res.body.data
 249   if (videos.length === 0) return undefined
 250
 251   const toRate = videos[getRandomInt(0, videos.length)].id
 252
 253   console.log('Rating (%s) video from server %d', rating, numServer)
 254   return getVideo(servers[numServer].url, toRate)
 255 }
 256
 257 async function checkIntegrity (servers: ServerInfo[]) {
 258   const videos: Video[][] = []
 259   const tasks: Promise<any>[] = []
 260
 261   // Fetch all videos and remove some fields that can differ between pods
 262   for (const server of servers) {
 263     const p = getAllVideosListBy(server.url).then(res => videos.push(res.body.data))
 264     tasks.push(p)
 265   }
 266
 267   await Promise.all(tasks)
 268
 269   let i = 0
 270   for (const video of videos) {
 271     const differences = areDifferences(video, videos[0])
 272     if (differences !== undefined) {
 273       console.error('Integrity not ok with server %d!', i + 1)
 274
 275       if (displayDiffOnFail) {
 276         console.log(differences)
 277       }
 278
 279       process.exit(-1)
 280     }
 281
 282     i++
 283   }
 284
 285   console.log('Integrity ok.')
 286 }
 287
 288 function areDifferences (videos1: Video[], videos2: Video[]) {
 289   // Remove some keys we don't want to compare
 290   videos1.concat(videos2).forEach(video => {
 291     delete video.id
 292     delete video.isLocal
 293     delete video.thumbnailPath
 294     delete video.updatedAt
 295     delete video.views
 296   })
 297
 298   if (videos1.length !== videos2.length) {
 299     return `Videos length are different (${videos1.length}/${videos2.length}).`
 300   }
 301
 302   for (const video1 of videos1) {
 303     const video2 = videos2.find(video => video.uuid === video1.uuid)
 304
 305     if (!video2) return 'Video ' + video1.uuid + ' is missing.'
 306
 307     for (const videoKey of Object.keys(video1)) {
 308       const attribute1 = video1[videoKey]
 309       const attribute2 = video2[videoKey]
 310
 311       if (videoKey === 'tags') {
 312         if (attribute1.length !== attribute2.length) {
 313           return 'Tags are different.'
 314         }
 315
 316         attribute1.forEach(tag1 => {
 317           if (attribute2.indexOf(tag1) === -1) {
 318             return 'Tag ' + tag1 + ' is missing.'
 319           }
 320         })
 321       } else if (videoKey === 'files') {
 322         if (attribute1.length !== attribute2.length) {
 323           return 'Video files are different.'
 324         }
 325
 326         attribute1.forEach((videoFile1: VideoFile) => {
 327           const videoFile2: VideoFile = attribute2.find(videoFile => videoFile.magnetUri === videoFile1.magnetUri)
 328           if (!videoFile2) {
 329             return `Video ${video1.uuid} has missing video file ${videoFile1.magnetUri}.`
 330           }
 331
 332           if (videoFile1.size !== videoFile2.size || videoFile1.resolutionLabel !== videoFile2.resolutionLabel) {
 333             return `Video ${video1.uuid} has different video file ${videoFile1.magnetUri}.`
 334           }
 335         })
 336       } else {
 337         if (attribute1 !== attribute2) {
 338           return `Video ${video1.uuid} has different value for attribute ${videoKey}.`
 339         }
 340       }
 341     }
 342   }
 343
 344   return undefined
 345 }
 346
 347 function goodbye () {
 348   return process.exit(-1)
 349 }
 350
 351 async function isTherePendingRequests (servers: ServerInfo[]) {
 352   const tasks: Promise<any>[] = []
 353   let pendingRequests = false
 354
 355   // Check if each server has pending request
 356   for (const server of servers) {
 357     const p = getRequestsStats(server).then(res => {
 358       const stats = res.body
 359
 360       if (
 361         stats.requestScheduler.totalRequests !== 0 ||
 362         stats.requestVideoEventScheduler.totalRequests !== 0 ||
 363         stats.requestVideoQaduScheduler.totalRequests !== 0
 364       ) {
 365         pendingRequests = true
 366       }
 367     })
 368
 369     tasks.push(p)
 370   }
 371
 372   await Promise.all(tasks)
 373
 374   return pendingRequests
 375 }