Files
cloudron-box/src/dyndns.js
2019-10-29 15:56:50 -07:00

63 lines
2.2 KiB
JavaScript

'use strict';
exports = module.exports = {
sync: sync
};
let apps = require('./apps.js'),
assert = require('assert'),
async = require('async'),
constants = require('./constants.js'),
debug = require('debug')('box:dyndns'),
domains = require('./domains.js'),
eventlog = require('./eventlog.js'),
paths = require('./paths.js'),
safe = require('safetydance'),
settings = require('./settings.js'),
sysinfo = require('./sysinfo.js');
// called for dynamic dns setups where we have to update the IP
function sync(auditSource, callback) {
assert.strictEqual(typeof auditSource, 'object');
assert.strictEqual(typeof callback, 'function');
sysinfo.getServerIp(function (error, ip) {
if (error) return callback(error);
let info = safe.JSON.parse(safe.fs.readFileSync(paths.DYNDNS_INFO_FILE, 'utf8')) || { ip: null };
if (info.ip === ip) {
debug(`refreshDNS: no change in IP ${ip}`);
return callback();
}
debug(`refreshDNS: updating ip from ${info.ip} to ${ip}`);
domains.upsertDnsRecords(constants.ADMIN_LOCATION, settings.adminDomain(), 'A', [ ip ], function (error) {
if (error) return callback(error);
debug('refreshDNS: updated admin location');
apps.getAll(function (error, result) {
if (error) return callback(error);
async.each(result, function (app, callback) {
// do not change state of installing apps since apptask will error if dns record already exists
if (app.installationState !== apps.ISTATE_INSTALLED) return callback();
domains.upsertDnsRecords(app.location, app.domain, 'A', [ ip ], callback);
}, function (error) {
if (error) return callback(error);
debug('refreshDNS: updated apps');
eventlog.add(eventlog.ACTION_DYNDNS_UPDATE, auditSource, { fromIp: info.ip, toIp: ip });
info.ip = ip;
safe.fs.writeFileSync(paths.DYNDNS_INFO_FILE, JSON.stringify(info), 'utf8');
callback();
});
});
});
});
}