Girish Ramakrishnan
51d067cbe3
in the process, provision, dyndns, mail, dns also got further asyncified
37 lines
1.2 KiB
JavaScript
37 lines
1.2 KiB
JavaScript
'use strict';
|
|
|
|
exports = module.exports = {
|
|
getServerIp,
|
|
testConfig
|
|
};
|
|
|
|
const assert = require('assert'),
|
|
BoxError = require('../boxerror.js'),
|
|
debug = require('debug')('box:sysinfo/network-interface'),
|
|
os = require('os'),
|
|
safe = require('safetydance');
|
|
|
|
async function getServerIp(config) {
|
|
assert.strictEqual(typeof config, 'object');
|
|
|
|
const ifaces = os.networkInterfaces();
|
|
const iface = ifaces[config.ifname]; // array of addresses
|
|
if (!iface) throw new BoxError(BoxError.NETWORK_ERROR, `No interface named ${config.ifname}`);
|
|
|
|
const addresses = iface.filter(i => i.family === 'IPv4').map(i => i.address);
|
|
if (addresses.length === 0) throw new BoxError(BoxError.NETWORK_ERROR, `${config.ifname} does not have any IPv4 address`);
|
|
if (addresses.length > 1) debug(`${config.ifname} has multiple ipv4 - ${JSON.stringify(addresses)}. choosing the first one.`);
|
|
|
|
return addresses[0];
|
|
}
|
|
|
|
async function testConfig(config) {
|
|
assert.strictEqual(typeof config, 'object');
|
|
assert.strictEqual(typeof callback, 'function');
|
|
|
|
if (typeof config.ifname !== 'string') return new BoxError(BoxError.BAD_FIELD, 'ifname is not a string');
|
|
|
|
const [error] = await safe(getServerIp(config));
|
|
return error || null;
|
|
}
|