feat: insert stress testing machines into DB

This commit is contained in:
siiky 2025-03-17 23:33:38 +00:00
parent 0a120203be
commit 99dd90d51a
5 changed files with 74 additions and 41 deletions

View file

@ -1,11 +1,16 @@
const cp = require('node:child_process')
const fs = require('node:fs')
const path = require('node:path')
const { fork } = require('node:child_process')
const { createHash } = require('node:crypto')
const { mkdirSync, rmSync } = require('node:fs')
const { readFile } = require('node:fs/promises')
const { join } = require('node:path')
require('../../lib/environment-helper')
const db = require('../../lib/db')
const { EXIT } = require('./consts')
const CLI = require('./cli')
const help_message = "Setup fake machines to be used as stress test clients."
const help_message = "Create and insert fake machines into the DB."
const cli = CLI({
grammar: [
@ -13,6 +18,7 @@ const cli = CLI({
[["--machine", "PATH"], "Path to the machine's source code root"],
[["--fake_data_dir", "PATH"], "Where to save the fake machines' data"],
[["-n", "NUMBER"], "Number of fake machines to create"],
[["--replace_existing"], "Remove machines of previous runs"],
],
})
@ -23,13 +29,19 @@ const help = (exit_code) => {
return exit_code
}
const create_fake_machine = async (gencerts_path, fake_data_dir, i) =>
const compute_machine_id = pem_path => (
readFile(pem_path, { encoding: 'utf8' })
.then(cert => cert.split('\r\n'))
.then(cert => Buffer.from(cert.slice(1, cert.length-2).join(''), 'base64'))
.then(raw => createHash('sha256').update(raw).digest('hex'))
)
const create_fake_machine = async (gencerts_path, machine_data_dir, i) => (
new Promise((resolve, reject) => {
const machine_data_dir = path.join(fake_data_dir, i.toString())
fs.mkdirSync(machine_data_dir, { recursive: true, mode: 0o750 })
mkdirSync(machine_data_dir, { recursive: true, mode: 0o750 })
console.log("Creating fake machine number", i)
const gc = cp.fork(gencerts_path, [machine_data_dir], {
const gc = fork(gencerts_path, [machine_data_dir], {
cwd: process.cwd(),
encoding: 'utf8',
})
@ -45,26 +57,40 @@ const create_fake_machine = async (gencerts_path, fake_data_dir, i) =>
resolve(typeof(code) === 'number' ? code : EXIT.EXCEPTION)
})
})
)
const create_fake_machines = async ({ machine, fake_data_dir, n }) => {
const create_fake_machines = async ({ machine, fake_data_dir, n, replace_existing }) => {
n = parseInt(n)
if (Number.isNaN(n) || n <= 0) {
console.error("Expected n to be a positive number, got", n)
return help(EXIT.BADARGS)
}
/* TODO: Remove all data of previous machines? */
//fs.rmSync(fake_data_dir, { recursive: true, force: true })
if (replace_existing) {
rmSync(fake_data_dir, { recursive: true, force: true })
await db.none("DELETE FROM devices")
}
/* Create the root data directory */
fs.mkdirSync(fake_data_dir, { recursive: true, mode: 0o750 })
mkdirSync(fake_data_dir, { recursive: true, mode: 0o750 })
const gencerts_path = path.join(machine, "tools", "generate-certificates")
let exit_code = EXIT.OK
for (let i = 0; i < n && exit_code === EXIT.OK; i++)
exit_code = await create_fake_machine(gencerts_path, fake_data_dir, i)
const gencerts_path = join(machine, "tools", "generate-certificates")
for (let i = 0; i < n; i++) {
const machine_data_dir = join(fake_data_dir, i.toString())
const exit_code = await create_fake_machine(gencerts_path, machine_data_dir, i)
if (exit_code !== EXIT.OK)
return exit_code
return exit_code
const device_id = await compute_machine_id(join(machine_data_dir, "client.pem"))
await db.none(
`INSERT INTO devices (device_id, cassette1, cassette2, paired, display, created, name, last_online, location)
VALUES ($1, 0, 0, 't', 't', now(), $2, now(), '{}'::json)`,
[device_id, `machine_${i}`]
)
}
return EXIT.OK
}
const run = async (args) => {