snips-sam/lib/commands/devices.js

The Snips Assistant Manager

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const process = require("process");
const cli_1 = require("../cli");
const ssh_1 = require("../session/ssh");
const device_1 = require("../utils/device");
const chalk_1 = require("chalk");
const shelljs = require("shelljs");
exports.command = 'devices';
exports.desc = 'Discover devices on your local network';
exports.handler = (_) => tslib_1.__awaiter(void 0, void 0, void 0, function* () {
    let devicesIP;
    cli_1.default.stream.loading('Scanning devices on the network...');
    const ip = device_1.getLocalExternalIp().split('.');
    ip[ip.length - 1] = '255';
    const broadcastAddress = ip.join('.');
    try {
        yield shelljs.exec(`ping ${broadcastAddress} -c 2`, { async: true, silent: true });
    }
    catch (e) {
        cli_1.default.stream.stop();
        cli_1.default.stream.error(`Broadcasting ping failed on ${broadcastAddress}, some devices may not appear`);
    }
    devicesIP = yield device_1.scanNetwork()
        .catch(e => {
        cli_1.default.stream.stop();
        cli_1.default.stream.hint(e.message);
        process.exit();
    });
    if (devicesIP === undefined) {
        cli_1.default.stream.stop();
        cli_1.default.stream.hint('Apparently no devices were found.');
        cli_1.default.stream.hint(`Don't panic, the default hostname is raspberrypi, try connecting with ${chalk_1.default.blue('sam connect raspberrypi')}`);
        return process.exit();
    }
    const devicesIPAndHostname = yield ssh_1.SSHService.fetchBootHostname(devicesIP)
        .catch(e => {
        cli_1.default.stream.stop();
        cli_1.default.stream.error(e);
    });
    if (devicesIPAndHostname === undefined) {
        cli_1.default.stream.stop();
        cli_1.default.stream.error('Error fetching device hostnames');
        return process.exit();
    }
    const devicesList = devicesIPAndHostname.map(({ ip, hostname, snipsHostname }) => {
        if (snipsHostname.length > 0) {
            if (hostname.length === 0) {
                return `- ${ip}, alias: ${snipsHostname}`;
            }
            return `- ${hostname} (${ip}, alias: ${snipsHostname})`;
        }
        if (hostname.length === 0) {
            return `- ${ip}`;
        }
        return `- ${hostname} (${ip})`;
    });
    cli_1.default.stream.stopAndClear();
    cli_1.default.stream.println('\n');
    if (devicesList.length === 1) {
        cli_1.default.stream.println('Found 1 device:');
    }
    else {
        cli_1.default.stream.println(`Found ${devicesList.length} devices:\n`);
    }
    devicesList.forEach(device => {
        cli_1.default.stream.println(device);
    });
    cli_1.default.stream.println(`\nConnect to a device using ${chalk_1.default.blue('sam connect HOSTNAME_OR_IP')}`);
    process.exit();
});
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