Add name.com DNS provider
This commit is contained in:
Johannes Zellner
231
src/dns/namecom.js
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231
src/dns/namecom.js
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'use strict';
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exports = module.exports = {
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upsert: upsert,
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get: get,
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del: del,
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waitForDns: require('./waitfordns.js'),
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verifyDnsConfig: verifyDnsConfig
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};
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var assert = require('assert'),
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debug = require('debug')('box:dns/namecom'),
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dns = require('../native-dns.js'),
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safe = require('safetydance'),
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DomainsError = require('../domains.js').DomainsError,
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superagent = require('superagent');
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const NAMECOM_API = 'https://api.name.com/v4';
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function formatError(response) {
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return `Name.com DNS error [${response.statusCode}] ${response.text}`;
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}
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function addRecord(dnsConfig, zoneName, subdomain, type, values, callback) {
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assert.strictEqual(typeof dnsConfig, 'object');
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assert.strictEqual(typeof zoneName, 'string');
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assert.strictEqual(typeof subdomain, 'string');
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assert.strictEqual(typeof type, 'string');
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assert(Array.isArray(values));
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assert.strictEqual(typeof callback, 'function');
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debug(`add: ${subdomain} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
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var data = {
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host: subdomain,
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type: type,
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answer: values[0],
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ttl: 300 // 300 is the lowest
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};
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superagent.post(`${NAMECOM_API}/domains/${zoneName}/records`)
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.auth(dnsConfig.username, dnsConfig.token)
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.timeout(30 * 1000)
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.send(data)
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.end(function (error, result) {
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if (error && !error.response) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Network error ${error.message}`));
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if (result.statusCode === 403) return callback(new DomainsError(DomainsError.ACCESS_DENIED, formatError(result)));
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if (result.statusCode !== 200) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, formatError(result)));
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return callback();
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});
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}
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function updateRecord(dnsConfig, zoneName, recordId, subdomain, type, values, callback) {
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assert.strictEqual(typeof dnsConfig, 'object');
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assert.strictEqual(typeof zoneName, 'string');
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assert.strictEqual(typeof recordId, 'number');
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assert.strictEqual(typeof subdomain, 'string');
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assert.strictEqual(typeof type, 'string');
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assert(Array.isArray(values));
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assert.strictEqual(typeof callback, 'function');
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debug(`update:${recordId} on ${subdomain} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
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var data = {
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host: subdomain,
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type: type,
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answer: values[0],
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ttl: 300 // 300 is the lowest
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};
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superagent.put(`${NAMECOM_API}/domains/${zoneName}/records/${recordId}`)
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.auth(dnsConfig.username, dnsConfig.token)
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.timeout(30 * 1000)
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.send(data)
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.end(function (error, result) {
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if (error && !error.response) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Network error ${error.message}`));
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if (result.statusCode === 403) return callback(new DomainsError(DomainsError.ACCESS_DENIED, formatError(result)));
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if (result.statusCode !== 200) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, formatError(result)));
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return callback();
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});
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}
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function getInternal(dnsConfig, zoneName, subdomain, type, callback) {
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assert.strictEqual(typeof dnsConfig, 'object');
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assert.strictEqual(typeof zoneName, 'string');
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assert.strictEqual(typeof subdomain, 'string');
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assert.strictEqual(typeof type, 'string');
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assert.strictEqual(typeof callback, 'function');
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subdomain = subdomain || '@';
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debug(`getInternal: ${subdomain} in zone ${zoneName} of type ${type}`);
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superagent.get(`${NAMECOM_API}/domains/${zoneName}/records`)
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.auth(dnsConfig.username, dnsConfig.token)
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.timeout(30 * 1000)
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.end(function (error, result) {
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if (error && !error.response) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Network error ${error.message}`));
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if (result.statusCode === 403) return callback(new DomainsError(DomainsError.ACCESS_DENIED, formatError(result)));
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if (result.statusCode !== 200) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, formatError(result)));
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// name.com does not return the correct content-type
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result.body = safe.JSON.parse(result.text);
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if (!result.body.records) result.body.records = [];
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result.body.records.forEach(function (r) {
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// name.com api simply strips empty properties
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r.host = r.host || '@';
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});
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var results = result.body.records.filter(function (r) {
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return (r.host === subdomain && r.type === type);
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});
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debug('getInternal: %j', results);
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return callback(null, results);
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});
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}
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function upsert(dnsConfig, zoneName, subdomain, type, values, callback) {
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assert.strictEqual(typeof dnsConfig, 'object');
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assert.strictEqual(typeof zoneName, 'string');
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assert.strictEqual(typeof subdomain, 'string');
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assert.strictEqual(typeof type, 'string');
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assert(Array.isArray(values));
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assert.strictEqual(typeof callback, 'function');
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subdomain = subdomain || '@';
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debug(`upsert: ${subdomain} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
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getInternal(dnsConfig, zoneName, subdomain, type, function (error, result) {
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if (error) return callback(error);
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if (result.length === 0) return addRecord(dnsConfig, zoneName, subdomain, type, values, callback);
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return updateRecord(dnsConfig, zoneName, result[0].id, subdomain, type, values, callback);
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});
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}
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function get(dnsConfig, zoneName, subdomain, type, callback) {
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assert.strictEqual(typeof dnsConfig, 'object');
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assert.strictEqual(typeof zoneName, 'string');
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assert.strictEqual(typeof subdomain, 'string');
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assert.strictEqual(typeof type, 'string');
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assert.strictEqual(typeof callback, 'function');
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getInternal(dnsConfig, zoneName, subdomain, type, function (error, result) {
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if (error) return callback(error);
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var tmp = result.map(function (record) { return record.answer; });
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debug('get: %j', tmp);
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return callback(null, tmp);
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});
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}
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function del(dnsConfig, zoneName, subdomain, type, values, callback) {
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assert.strictEqual(typeof dnsConfig, 'object');
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assert.strictEqual(typeof zoneName, 'string');
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assert.strictEqual(typeof subdomain, 'string');
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assert.strictEqual(typeof type, 'string');
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assert(Array.isArray(values));
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assert.strictEqual(typeof callback, 'function');
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subdomain = subdomain || '@';
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debug(`del: ${subdomain} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
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getInternal(dnsConfig, zoneName, subdomain, type, function (error, result) {
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if (error) return callback(error);
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if (result.length === 0) return callback();
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superagent.del(`${NAMECOM_API}/domains/${zoneName}/records/${result[0].id}`)
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.auth(dnsConfig.username, dnsConfig.token)
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.timeout(30 * 1000)
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.end(function (error, result) {
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if (error && !error.response) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Network error ${error.message}`));
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if (result.statusCode === 403) return callback(new DomainsError(DomainsError.ACCESS_DENIED, formatError(result)));
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if (result.statusCode !== 200) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, formatError(result)));
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return callback(null);
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});
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});
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}
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function verifyDnsConfig(dnsConfig, fqdn, zoneName, ip, callback) {
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assert.strictEqual(typeof dnsConfig, 'object');
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assert.strictEqual(typeof fqdn, 'string');
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assert.strictEqual(typeof zoneName, 'string');
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assert.strictEqual(typeof ip, 'string');
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assert.strictEqual(typeof callback, 'function');
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var credentials = {
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username: dnsConfig.username,
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token: dnsConfig.token
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};
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if (process.env.BOX_ENV === 'test') return callback(null, credentials); // this shouldn't be here
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dns.resolve(zoneName, 'NS', { timeout: 5000 }, function (error, nameservers) {
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if (error && error.code === 'ENOTFOUND') return callback(new DomainsError(DomainsError.BAD_FIELD, 'Unable to resolve nameservers for this domain'));
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if (error || !nameservers) return callback(new DomainsError(DomainsError.BAD_FIELD, error ? error.message : 'Unable to get nameservers'));
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if (!nameservers.every(function (n) { return n.toLowerCase().indexOf('.name.com') !== -1; })) {
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debug('verifyDnsConfig: %j does not contain Name.com NS', nameservers);
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return callback(new DomainsError(DomainsError.BAD_FIELD, 'Domain nameservers are not set to Name.com'));
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}
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const testSubdomain = 'cloudrontestdns';
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upsert(credentials, zoneName, testSubdomain, 'A', [ ip ], function (error, changeId) {
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if (error) return callback(error);
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debug('verifyDnsConfig: Test A record added with change id %s', changeId);
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del(dnsConfig, zoneName, testSubdomain, 'A', [ ip ], function (error) {
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if (error) return callback(error);
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debug('verifyDnsConfig: Test A record removed again');
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callback(null, credentials);
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});
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});
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});
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}
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