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

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import * as program from 'commander'
// /!\ Before imports /!\
process.env.NODE_ENV = 'test'
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import { Video, VideoRateType, VideoFile } from '../../../shared'
import {
ServerInfo as DefaultServerInfo,
flushAndRunMultipleServers,
setAccessTokensToServers,
makeFriends,
wait,
killallServers,
flushTests,
uploadVideo,
getVideosList,
updateVideo,
removeVideo,
getVideo,
getAllVideosListBy,
getRequestsStats
} from '../utils'
interface ServerInfo extends DefaultServerInfo {
requestsNumber: number
}
program
.option('-c, --create [weight]', 'Weight for creating videos')
.option('-r, --remove [weight]', 'Weight for removing videos')
.option('-u, --update [weight]', 'Weight for updating videos')
.option('-v, --view [weight]', 'Weight for viewing videos')
.option('-l, --like [weight]', 'Weight for liking videos')
.option('-s, --dislike [weight]', 'Weight for disliking videos')
.option('-p, --pods [n]', 'Number of pods to run (3 or 6)', /^3|6$/, 3)
.option('-i, --interval-action [interval]', 'Interval in ms for an action')
.option('-I, --interval-integrity [interval]', 'Interval in ms for an integrity check')
.option('-f, --flush', 'Flush datas on exit')
.option('-d, --difference', 'Display difference if integrity is not okay')
.parse(process.argv)
const createWeight = program['create'] !== undefined ? parseInt(program['create'], 10) : 5
const removeWeight = program['remove'] !== undefined ? parseInt(program['remove'], 10) : 4
const updateWeight = program['update'] !== undefined ? parseInt(program['update'], 10) : 4
const viewWeight = program['view'] !== undefined ? parseInt(program['view'], 10) : 4
const likeWeight = program['like'] !== undefined ? parseInt(program['like'], 10) : 4
const dislikeWeight = program['dislike'] !== undefined ? parseInt(program['dislike'], 10) : 4
const flushAtExit = program['flush'] || false
const actionInterval = program['intervalAction'] !== undefined ? parseInt(program['intervalAction'], 10) : 500
const integrityInterval = program['intervalIntegrity'] !== undefined ? parseInt(program['intervalIntegrity'], 10) : 60000
const displayDiffOnFail = program['difference'] || false
const numberOfPods = 6
console.log(
'Create weight: %d, update weight: %d, remove weight: %d, view weight: %d, like weight: %d, dislike weight: %d.',
createWeight, updateWeight, removeWeight, viewWeight, likeWeight, dislikeWeight
)
if (flushAtExit) {
console.log('Program will flush data on exit.')
} else {
console.log('Program will not flush data on exit.')
}
if (displayDiffOnFail) {
console.log('Program will display diff on failure.')
} else {
console.log('Program will not display diff on failure')
}
console.log('Interval in ms for each action: %d.', actionInterval)
console.log('Interval in ms for each integrity check: %d.', integrityInterval)
console.log('Run servers...')
start()
// ----------------------------------------------------------------------------
async function start () {
const servers = await runServers(numberOfPods)
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process.on('exit', async () => {
await exitServers(servers, flushAtExit)
return
})
process.on('SIGINT', goodbye)
process.on('SIGTERM', goodbye)
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console.log('Servers ran')
initializeRequestsPerServer(servers)
let checking = false
setInterval(async () => {
if (checking === true) return
const rand = getRandomInt(0, createWeight + updateWeight + removeWeight + viewWeight + likeWeight + dislikeWeight)
const numServer = getRandomNumServer(servers)
servers[numServer].requestsNumber++
if (rand < createWeight) {
await upload(servers, numServer)
} else if (rand < createWeight + updateWeight) {
await update(servers, numServer)
} else if (rand < createWeight + updateWeight + removeWeight) {
await remove(servers, numServer)
} else if (rand < createWeight + updateWeight + removeWeight + viewWeight) {
await view(servers, numServer)
} else if (rand < createWeight + updateWeight + removeWeight + viewWeight + likeWeight) {
await like(servers, numServer)
} else {
await dislike(servers, numServer)
}
}, actionInterval)
// The function will check the consistency between servers (should have the same videos with same attributes...)
setInterval(function () {
if (checking === true) return
console.log('Checking integrity...')
checking = true
const waitingInterval = setInterval(async () => {
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const pendingRequests = await isTherePendingRequests(servers)
if (pendingRequests === true) {
console.log('A server has pending requests, waiting...')
return
}
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// Even if there are no pending request, wait some potential processes
await wait(2000)
await checkIntegrity(servers)
initializeRequestsPerServer(servers)
checking = false
clearInterval(waitingInterval)
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}, 10000)
}, integrityInterval)
}
function initializeRequestsPerServer (servers: ServerInfo[]) {
servers.forEach(server => server.requestsNumber = 0)
}
function getRandomInt (min, max) {
return Math.floor(Math.random() * (max - min)) + min
}
function getRandomNumServer (servers) {
return getRandomInt(0, servers.length)
}
async function runServers (numberOfPods: number) {
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const servers: ServerInfo[] = (await flushAndRunMultipleServers(numberOfPods))
.map(s => Object.assign({ requestsNumber: 0 }, s))
// Get the access tokens
await setAccessTokensToServers(servers)
await makeFriends(servers[1].url, servers[1].accessToken)
await makeFriends(servers[0].url, servers[0].accessToken)
await wait(1000)
await makeFriends(servers[3].url, servers[3].accessToken)
await makeFriends(servers[5].url, servers[5].accessToken)
await makeFriends(servers[4].url, servers[4].accessToken)
await wait(1000)
return servers
}
async function exitServers (servers: ServerInfo[], flushAtExit: boolean) {
killallServers(servers)
if (flushAtExit) await flushTests()
}
function upload (servers: ServerInfo[], numServer: number) {
console.log('Uploading video to server ' + numServer)
const videoAttributes = {
name: Date.now() + ' name',
category: 4,
nsfw: false,
licence: 2,
language: 1,
description: Date.now() + ' description',
tags: [ Date.now().toString().substring(0, 5) + 't1', Date.now().toString().substring(0, 5) + 't2' ],
fixture: 'video_short1.webm'
}
return uploadVideo(servers[numServer].url, servers[numServer].accessToken, videoAttributes)
}
async function update (servers: ServerInfo[], numServer: number) {
const res = await getVideosList(servers[numServer].url)
const videos = res.body.data.filter(video => video.isLocal === true)
if (videos.length === 0) return undefined
const toUpdate = videos[getRandomInt(0, videos.length)].id
const attributes = {
name: Date.now() + ' name',
description: Date.now() + ' description',
tags: [ Date.now().toString().substring(0, 5) + 't1', Date.now().toString().substring(0, 5) + 't2' ]
}
console.log('Updating video of server ' + numServer)
return updateVideo(servers[numServer].url, servers[numServer].accessToken, toUpdate, attributes)
}
async function remove (servers: ServerInfo[], numServer: number) {
const res = await getVideosList(servers[numServer].url)
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const videos = res.body.data.filter(video => video.isLocal === true)
if (videos.length === 0) return undefined
const toRemove = videos[getRandomInt(0, videos.length)].id
console.log('Removing video from server ' + numServer)
return removeVideo(servers[numServer].url, servers[numServer].accessToken, toRemove)
}
async function view (servers: ServerInfo[], numServer: number) {
const res = await getVideosList(servers[numServer].url)
const videos = res.body.data
if (videos.length === 0) return undefined
const toView = videos[getRandomInt(0, videos.length)].id
console.log('Viewing video from server ' + numServer)
return getVideo(servers[numServer].url, toView)
}
function like (servers: ServerInfo[], numServer: number) {
return rate(servers, numServer, 'like')
}
function dislike (servers: ServerInfo[], numServer: number) {
return rate(servers, numServer, 'dislike')
}
async function rate (servers: ServerInfo[], numServer: number, rating: VideoRateType) {
const res = await getVideosList(servers[numServer].url)
const videos = res.body.data
if (videos.length === 0) return undefined
const toRate = videos[getRandomInt(0, videos.length)].id
console.log('Rating (%s) video from server %d', rating, numServer)
return getVideo(servers[numServer].url, toRate)
}
async function checkIntegrity (servers: ServerInfo[]) {
const videos: Video[][] = []
const tasks: Promise<any>[] = []
// Fetch all videos and remove some fields that can differ between pods
for (const server of servers) {
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const p = getAllVideosListBy(server.url).then(res => videos.push(res.body.data))
tasks.push(p)
}
await Promise.all(tasks)
let i = 0
for (const video of videos) {
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const differences = areDifferences(video, videos[0])
if (differences !== undefined) {
console.error('Integrity not ok with server %d!', i + 1)
if (displayDiffOnFail) {
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console.log(differences)
}
process.exit(-1)
}
i++
}
console.log('Integrity ok.')
}
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function areDifferences (videos1: Video[], videos2: Video[]) {
// Remove some keys we don't want to compare
videos1.concat(videos2).forEach(video => {
delete video.id
delete video.isLocal
delete video.thumbnailPath
delete video.updatedAt
delete video.views
})
if (videos1.length !== videos2.length) {
return `Videos length are different (${videos1.length}/${videos2.length}).`
}
for (const video1 of videos1) {
const video2 = videos2.find(video => video.uuid === video1.uuid)
if (!video2) return 'Video ' + video1.uuid + ' is missing.'
for (const videoKey of Object.keys(video1)) {
const attribute1 = video1[videoKey]
const attribute2 = video2[videoKey]
if (videoKey === 'tags') {
if (attribute1.length !== attribute2.length) {
return 'Tags are different.'
}
attribute1.forEach(tag1 => {
if (attribute2.indexOf(tag1) === -1) {
return 'Tag ' + tag1 + ' is missing.'
}
})
} else if (videoKey === 'files') {
if (attribute1.length !== attribute2.length) {
return 'Video files are different.'
}
attribute1.forEach((videoFile1: VideoFile) => {
const videoFile2: VideoFile = attribute2.find(videoFile => videoFile.magnetUri === videoFile1.magnetUri)
if (!videoFile2) {
return `Video ${video1.uuid} has missing video file ${videoFile1.magnetUri}.`
}
if (videoFile1.size !== videoFile2.size || videoFile1.resolutionLabel !== videoFile2.resolutionLabel) {
return `Video ${video1.uuid} has different video file ${videoFile1.magnetUri}.`
}
})
} else {
if (attribute1 !== attribute2) {
return `Video ${video1.uuid} has different value for attribute ${videoKey}.`
}
}
}
}
return undefined
}
function goodbye () {
return process.exit(-1)
}
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async function isTherePendingRequests (servers: ServerInfo[]) {
const tasks: Promise<any>[] = []
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let pendingRequests = false
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// Check if each server has pending request
for (const server of servers) {
const p = getRequestsStats(server).then(res => {
const stats = res.body
if (
stats.requestScheduler.totalRequests !== 0 ||
stats.requestVideoEventScheduler.totalRequests !== 0 ||
stats.requestVideoQaduScheduler.totalRequests !== 0
) {
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pendingRequests = true
}
})
tasks.push(p)
}
await Promise.all(tasks)
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return pendingRequests
}