docs/script/ping-staging-apps.js at main · capablemonkey/docs · GitHub

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#!/usr/bin/env node

// [start-readme]

// This script finds all Heroku staging apps and pings them to make sure they're always "warmed" and responsive to requests.

// [end-readme]

require('dotenv').config()

const assert = require('assert')

const got = require('got')

assert(process.env.HEROKU_API_TOKEN)

const { chain } = require('lodash')

const chalk = require('chalk')

const Heroku = require('heroku-client')

const heroku = new Heroku({ token: process.env.HEROKU_API_TOKEN })

main()

async function main () {

const apps = chain(await heroku.get('/apps'))

.orderBy('name')

.value()

async function ping (app) {

// ?warmup param has no effect but makes it easier to find these requests in the logs

const url = `https://${app.name}.herokuapp.com/en?warmup`

try {

const response = await got(url)

console.log(chalk.green(url, response.statusCode))

} catch (error) {

console.log(chalk.red(url, error.response.statusCode))

}

Promise.all(apps.map(ping))

}

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