Basic Internet Troubleshooter

index.js

#! /usr/bin/env node

const colors = require("colors");
const ping = require("ping");
const util = require("util");
const readline = require("readline");
const speedTest = require("speedtest-net");

const addresses = {
  "router": "192.168.1.1"
};

const requests = [];

const pingCfg = {
  timeout: 5
};

const speedTestFn = util.promisify(speedTest.visual);
console.log("\x1Bc");
//process.stdout.write("\x1B[2J\x1B[0f");

console.log("Beginning ping tests:\n".bold.underline);
for (const key in addresses) {
  requests.push(wrappedPing(key).then(msg => console.log(msg)));
}
Promise.all(requests).then(() => {
  console.log("\n\nBeginning speed test\n".bold.underline);

  speedTestFn({ maxTime: 10000 })
    .then(() => {
      const rl = readline.createInterface({
        input: process.stdin,
        output: process.stdout
      });

      rl.question("\n\nPress enter to quit. ", function(answer) {
        rl.close();
      });
    })
    .catch(err => console.error(err));
});

function wrappedPing(key) {
  return new Promise((resolve, reject) => {
    ping.sys.probe(
      addresses[key],
      isAlive => {
        const result = isAlive ? "  ".bgGreen : "  ".bgRed;
        resolve(`${result} - ${key}`);
      },
      pingCfg
    );
  });
}

package.json

{
  "name": "internet-troubleshooter",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "bin": {
    "check-internet": "./index.js"
  },
  
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "colors": "^1.3.3",
    "ping": "^0.2.2",
    "speedtest-net": "^1.4.3"
  }
}

quick and dirty node script for running some basic network tests at a client's site. Update the key/value pairs in addresses to test multiple routers/switches/endpoints in the environment.