cd5cae33ce
this changes unbound to listen to 127.0.0.150 (150 is roman CL) we cannot only bind on docker bridge because unbound is relied upon for the initial domain setup. docker itself is only initialized when the platform initializes
29 lines
1.1 KiB
JavaScript
29 lines
1.1 KiB
JavaScript
'use strict';
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exports = module.exports = {
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resolve,
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};
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const assert = require('assert'),
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constants = require('./constants.js'),
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dns = require('dns');
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// a note on TXT records. It doesn't have quotes ("") at the DNS level. Those quotes
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// are added for DNS server software to enclose spaces. Such quotes may also be returned
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// by the DNS REST API of some providers
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async function resolve(hostname, rrtype, options) {
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assert.strictEqual(typeof hostname, 'string');
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assert.strictEqual(typeof rrtype, 'string');
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assert(options && typeof options === 'object'); // { server, timeout }
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const resolver = new dns.promises.Resolver({ timeout: options.timeout || 10000 });
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if (constants.CLOUDRON) resolver.setServers([ options.server || '127.0.0.150' ]); // unbound runs here
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const result = await resolver.resolve(hostname, rrtype);
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// when you query a random record, it errors with ENOTFOUND. But, if you query a record which has a different type
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// we sometimes get empty array and sometimes ENODATA. for TXT records, result is 2d array of strings
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return result;
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}
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