lamassu-server/tests/stress/env.js

93 lines
2.6 KiB
JavaScript

const { readFileSync, writeFileSync } = require('node:fs')
const { EOL } = require('node:os')
const { resolve } = require('node:path')
const dotenv = require('dotenv')
const { EXIT } = require('./consts')
const CLI = require('./cli')
const help_message = "Produce an .env file appropriate for stress testing."
const cli = CLI({
grammar: [
[["--help"], "Show this help message"],
[["--inenv", "ENV"], "Environment file path to read", ".env"],
[["--outenv", "ENV"], "Environment file path to write", ".stress.env"],
[["--dbuser", "DBUSER"], "Database username", "postgres"],
[["--dbpass", "DBPASS"], "Database password", "postgres123"],
[["--dbhost", "DBHOST"], "Database hostname", "localhost"],
[["--dbport", "DBPORT"], "Database port", "5432"],
[["--dbname", "DBNAME"], "Database name", "lamassu_stress"],
],
})
const help = (exit_code) => {
console.log("Usage: lamassu-server-stress-testing env ARGS...")
console.log(help_message)
cli.help()
return exit_code
}
const env_read = (path) => {
const envstr = readFileSync(path, { encoding: 'utf8' })
return dotenv.parse(envstr)
//const entries = envstr
// .split(EOL)
// .flatMap((line) => {
// line = line.trimStart()
// const i = line.indexOf('=')
//
// if (line.startsWith('#') || i <= 0)
// return []
//
// const varname = line.substring(0, i)
// const value = line.substring(i + 1)
// return [[varname, value]]
// })
//return Object.fromEntries(entries)
}
const env_write = (envvars, path) => {
const envcontent = Object.entries(envvars)
.map(([varname, value]) => [varname, value].join('='))
.join(EOL) + EOL
writeFileSync(path, envcontent)
}
const run = async (args) => {
const [err, options, positional] = cli.parse(args)
if (err) {
console.error(err)
return help(EXIT.BADARGS)
}
if (options.help)
return help(EXIT.OK)
if (positional.length > 0) {
console.error("Unknown arguments:", positional)
return help(EXIT.BADARGS)
}
const inenvpath = resolve(process.cwd(), options.inenv ?? ".env")
const inenvvars = env_read(inenvpath)
const outenvpath = resolve(process.cwd(), options.outenv ?? ".stress.env")
const outenvvars = {
...inenvvars,
POSTGRES_USER: options.dbuser ?? "postgres",
POSTGRES_PASSWORD: options.dbpass ?? "postgres123",
POSTGRES_HOST: options.dbhost ?? "localhost",
POSTGRES_PORT: options.dbport ?? "5432",
POSTGRES_DB: options.dbname ?? "lamassu_stress",
}
env_write(outenvvars, outenvpath)
return EXIT.OK
}
module.exports = {
help_message,
run,
}