PeerTube/shared/extra-utils/server/servers.ts

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/* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/no-floating-promises */
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import { ChildProcess, exec, fork } from 'child_process'
import { join } from 'path'
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import { root, wait } from '../miscs/miscs'
import { copy, pathExists, readdir, readFile, remove } from 'fs-extra'
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import { expect } from 'chai'
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import { VideoChannel } from '../../models/videos'
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import { randomInt } from '../../core-utils/miscs/miscs'
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interface ServerInfo {
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app: ChildProcess
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url: string
host: string
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port: number
parallel: boolean
internalServerNumber: number
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serverNumber: number
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client: {
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id: string
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secret: string
}
user: {
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username: string
password: string
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email?: string
}
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customConfigFile?: string
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accessToken?: string
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videoChannel?: VideoChannel
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video?: {
id: number
uuid: string
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name?: string
account?: {
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name: string
}
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}
remoteVideo?: {
id: number
uuid: string
}
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videos?: { id: number, uuid: string }[]
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}
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function parallelTests () {
return process.env.MOCHA_PARALLEL === 'true'
}
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function flushAndRunMultipleServers (totalServers: number, configOverride?: Object) {
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const apps = []
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let i = 0
return new Promise<ServerInfo[]>(res => {
function anotherServerDone (serverNumber, app) {
apps[serverNumber - 1] = app
i++
if (i === totalServers) {
return res(apps)
}
}
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for (let j = 1; j <= totalServers; j++) {
flushAndRunServer(j, configOverride).then(app => anotherServerDone(j, app))
}
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})
}
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function flushTests (serverNumber?: number) {
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return new Promise<void>((res, rej) => {
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const suffix = serverNumber ? ` -- ${serverNumber}` : ''
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return exec('npm run clean:server:test' + suffix, (err, _stdout, stderr) => {
if (err || stderr) return rej(err || new Error(stderr))
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return res()
})
})
}
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function randomServer () {
const low = 10
const high = 10000
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return randomInt(low, high)
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}
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async function flushAndRunServer (serverNumber: number, configOverride?: Object, args = []) {
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const parallel = parallelTests()
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const internalServerNumber = parallel ? randomServer() : serverNumber
const port = 9000 + internalServerNumber
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await flushTests(internalServerNumber)
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const server: ServerInfo = {
app: null,
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port,
internalServerNumber,
parallel,
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serverNumber,
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url: `http://localhost:${port}`,
host: `localhost:${port}`,
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client: {
id: null,
secret: null
},
user: {
username: null,
password: null
}
}
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return runServer(server, configOverride, args)
}
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async function runServer (server: ServerInfo, configOverrideArg?: any, args = []) {
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// These actions are async so we need to be sure that they have both been done
const serverRunString = {
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'Server listening': false
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}
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const key = 'Database peertube_test' + server.internalServerNumber + ' is ready'
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serverRunString[key] = false
const regexps = {
client_id: 'Client id: (.+)',
client_secret: 'Client secret: (.+)',
user_username: 'Username: (.+)',
user_password: 'User password: (.+)'
}
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if (server.internalServerNumber !== server.serverNumber) {
const basePath = join(root(), 'config')
const tmpConfigFile = join(basePath, `test-${server.internalServerNumber}.yaml`)
await copy(join(basePath, `test-${server.serverNumber}.yaml`), tmpConfigFile)
server.customConfigFile = tmpConfigFile
}
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const configOverride: any = {}
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if (server.parallel) {
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Object.assign(configOverride, {
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listen: {
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port: server.port
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},
webserver: {
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port: server.port
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},
database: {
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suffix: '_test' + server.internalServerNumber
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},
storage: {
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tmp: `test${server.internalServerNumber}/tmp/`,
avatars: `test${server.internalServerNumber}/avatars/`,
videos: `test${server.internalServerNumber}/videos/`,
streaming_playlists: `test${server.internalServerNumber}/streaming-playlists/`,
redundancy: `test${server.internalServerNumber}/redundancy/`,
logs: `test${server.internalServerNumber}/logs/`,
previews: `test${server.internalServerNumber}/previews/`,
thumbnails: `test${server.internalServerNumber}/thumbnails/`,
torrents: `test${server.internalServerNumber}/torrents/`,
captions: `test${server.internalServerNumber}/captions/`,
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cache: `test${server.internalServerNumber}/cache/`,
plugins: `test${server.internalServerNumber}/plugins/`
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},
admin: {
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email: `admin${server.internalServerNumber}@example.com`
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}
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})
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}
if (configOverrideArg !== undefined) {
Object.assign(configOverride, configOverrideArg)
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}
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// Share the environment
const env = Object.create(process.env)
env['NODE_ENV'] = 'test'
env['NODE_APP_INSTANCE'] = server.internalServerNumber.toString()
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env['NODE_CONFIG'] = JSON.stringify(configOverride)
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const options = {
silent: true,
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env,
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detached: true
}
return new Promise<ServerInfo>(res => {
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server.app = fork(join(root(), 'dist', 'server.js'), args, options)
server.app.stdout.on('data', function onStdout (data) {
let dontContinue = false
// Capture things if we want to
for (const key of Object.keys(regexps)) {
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const regexp = regexps[key]
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const matches = data.toString().match(regexp)
if (matches !== null) {
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if (key === 'client_id') server.client.id = matches[1]
else if (key === 'client_secret') server.client.secret = matches[1]
else if (key === 'user_username') server.user.username = matches[1]
else if (key === 'user_password') server.user.password = matches[1]
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}
}
// Check if all required sentences are here
for (const key of Object.keys(serverRunString)) {
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if (data.toString().indexOf(key) !== -1) serverRunString[key] = true
if (serverRunString[key] === false) dontContinue = true
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}
// If no, there is maybe one thing not already initialized (client/user credentials generation...)
if (dontContinue === true) return
server.app.stdout.removeListener('data', onStdout)
process.on('exit', () => {
try {
process.kill(server.app.pid)
} catch { /* empty */ }
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})
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res(server)
})
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})
}
async function reRunServer (server: ServerInfo, configOverride?: any) {
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const newServer = await runServer(server, configOverride)
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server.app = newServer.app
return server
}
function checkTmpIsEmpty (server: ServerInfo) {
return checkDirectoryIsEmpty(server, 'tmp', [ 'plugins-global.css' ])
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}
async function checkDirectoryIsEmpty (server: ServerInfo, directory: string, exceptions: string[] = []) {
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const testDirectory = 'test' + server.internalServerNumber
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const directoryPath = join(root(), testDirectory, directory)
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const directoryExists = await pathExists(directoryPath)
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expect(directoryExists).to.be.true
const files = await readdir(directoryPath)
const filtered = files.filter(f => exceptions.includes(f) === false)
expect(filtered).to.have.lengthOf(0)
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}
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function killallServers (servers: ServerInfo[]) {
for (const server of servers) {
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if (!server.app) continue
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process.kill(-server.app.pid)
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server.app = null
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}
}
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function cleanupTests (servers: ServerInfo[]) {
killallServers(servers)
const p: Promise<any>[] = []
for (const server of servers) {
if (server.parallel) {
p.push(flushTests(server.internalServerNumber))
}
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if (server.customConfigFile) {
p.push(remove(server.customConfigFile))
}
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}
return Promise.all(p)
}
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async function waitUntilLog (server: ServerInfo, str: string, count = 1, strictCount = true) {
const logfile = join(root(), 'test' + server.internalServerNumber, 'logs/peertube.log')
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while (true) {
const buf = await readFile(logfile)
const matches = buf.toString().match(new RegExp(str, 'g'))
if (matches && matches.length === count) return
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if (matches && strictCount === false && matches.length >= count) return
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await wait(1000)
}
}
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// ---------------------------------------------------------------------------
export {
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checkDirectoryIsEmpty,
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checkTmpIsEmpty,
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ServerInfo,
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parallelTests,
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cleanupTests,
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flushAndRunMultipleServers,
flushTests,
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flushAndRunServer,
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killallServers,
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reRunServer,
waitUntilLog
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}