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rework dns api to take domainObject

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the DNS backends require many different params, it's just easier to
pass them all together and have backends do whatever.

For example, route53 API requires the fqdn. Some other backends require just the
"part" to insert.

* location - location in the database (where app is installed)
* zoneName - the dns zone name
* domain - domain in the database (where apps are installed into)
* name/getName() - this returns the name to insert in the DNS based on zoneName/location
* fqdn - the fully resolved location in zoneName

verifyDnsConfig also takes a domain object even if it's not in db just so that we can
test even existing domain objects, if required. The IP param is removed since it's not
required.

for caas, we also don't need the fqdn hack in dnsConfig anymore
This commit is contained in:
Girish Ramakrishnan
2019-01-04 18:44:54 -08:00
parent 16c1622b1f
commit 65210ea91d
18 changed files with 627 additions and 485 deletions
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src/dns/caas.js
+49 -44
View File
@@ -4,35 +4,38 @@ exports = module.exports = {
upsert: upsert,
get: get,
del: del,
waitForDns: require('./waitfordns.js'),
wait: wait,
verifyDnsConfig: verifyDnsConfig
};
var assert = require('assert'),
config = require('../config.js'),
debug = require('debug')('box:dns/caas'),
domains = require('../domains.js'),
DomainsError = require('../domains.js').DomainsError,
superagent = require('superagent'),
util = require('util');
util = require('util'),
waitForDns = require('./waitfordns.js');
function getFqdn(subdomain, domain) {
assert.strictEqual(typeof subdomain, 'string');
function getFqdn(location, domain) {
assert.strictEqual(typeof location, 'string');
assert.strictEqual(typeof domain, 'string');
return (subdomain === '') ? domain : subdomain + '-' + domain;
return (location === '') ? domain : location + '-' + domain;
}
function add(dnsConfig, zoneName, subdomain, type, values, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof subdomain, 'string');
function upsert(domainObject, location, type, values, callback) {
assert.strictEqual(typeof domainObject, 'object');
assert.strictEqual(typeof location, 'string');
assert.strictEqual(typeof type, 'string');
assert(util.isArray(values));
assert.strictEqual(typeof callback, 'function');
var fqdn = subdomain !== '' && type === 'TXT' ? subdomain + '.' + dnsConfig.fqdn : getFqdn(subdomain, dnsConfig.fqdn);
const dnsConfig = domainObject.config;
debug('add: %s for zone %s of type %s with values %j', subdomain, dnsConfig.fqdn, type, values);
let fqdn = location !== '' && type === 'TXT' ? location + '.' + domainObject.domain : getFqdn(location, domainObject.domain);
debug('add: %s for zone %s of type %s with values %j', location, domainObject.domain, type, values);
var data = {
type: type,
@@ -54,16 +57,16 @@ function add(dnsConfig, zoneName, subdomain, type, values, callback) {
});
}
function get(dnsConfig, zoneName, subdomain, type, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof subdomain, 'string');
function get(domainObject, location, type, callback) {
assert.strictEqual(typeof domainObject, 'object');
assert.strictEqual(typeof location, 'string');
assert.strictEqual(typeof type, 'string');
assert.strictEqual(typeof callback, 'function');
var fqdn = subdomain !== '' && type === 'TXT' ? subdomain + '.' + dnsConfig.fqdn : getFqdn(subdomain, dnsConfig.fqdn);
const dnsConfig = domainObject.config;
const fqdn = location !== '' && type === 'TXT' ? location + '.' + domainObject.domain : getFqdn(location, domainObject.domain);
debug('get: zoneName: %s subdomain: %s type: %s fqdn: %s', dnsConfig.fqdn, subdomain, type, fqdn);
debug('get: zoneName: %s subdomain: %s type: %s fqdn: %s', domainObject.domain, location, type, fqdn);
superagent
.get(config.apiServerOrigin() + '/api/v1/domains/' + fqdn)
@@ -77,26 +80,15 @@ function get(dnsConfig, zoneName, subdomain, type, callback) {
});
}
function upsert(dnsConfig, zoneName, subdomain, type, values, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof subdomain, 'string');
function del(domainObject, location, type, values, callback) {
assert.strictEqual(typeof domainObject, 'object');
assert.strictEqual(typeof location, 'string');
assert.strictEqual(typeof type, 'string');
assert(util.isArray(values));
assert.strictEqual(typeof callback, 'function');
add(dnsConfig, zoneName, subdomain, type, values, callback);
}
function del(dnsConfig, zoneName, subdomain, type, values, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof subdomain, 'string');
assert.strictEqual(typeof type, 'string');
assert(util.isArray(values));
assert.strictEqual(typeof callback, 'function');
debug('del: %s for zone %s of type %s with values %j', subdomain, dnsConfig.fqdn, type, values);
const dnsConfig = domainObject.config;
debug('del: %s for zone %s of type %s with values %j', location, domainObject.domain, type, values);
var data = {
type: type,
@@ -104,7 +96,7 @@ function del(dnsConfig, zoneName, subdomain, type, values, callback) {
};
superagent
.del(config.apiServerOrigin() + '/api/v1/domains/' + getFqdn(subdomain, dnsConfig.fqdn))
.del(config.apiServerOrigin() + '/api/v1/domains/' + getFqdn(location, domainObject.domain))
.query({ token: dnsConfig.token })
.send(data)
.timeout(30 * 1000)
@@ -119,29 +111,42 @@ function del(dnsConfig, zoneName, subdomain, type, values, callback) {
});
}
function verifyDnsConfig(dnsConfig, domain, zoneName, ip, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof domain, 'string');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof ip, 'string');
function wait(domainObject, location, type, value, options, callback) {
assert.strictEqual(typeof domainObject, 'object');
assert.strictEqual(typeof location, 'string');
assert.strictEqual(typeof type, 'string');
assert.strictEqual(typeof value, 'string');
assert(options && typeof options === 'object'); // { interval: 5000, times: 50000 }
assert.strictEqual(typeof callback, 'function');
const fqdn = domains.fqdn(location, domainObject);
waitForDns(fqdn, domainObject.zoneName, type, value, options, callback);
}
function verifyDnsConfig(domainObject, callback) {
assert.strictEqual(typeof domainObject, 'object');
assert.strictEqual(typeof callback, 'function');
const dnsConfig = domainObject.config;
if (!dnsConfig.token || typeof dnsConfig.token !== 'string') return callback(new DomainsError(DomainsError.BAD_FIELD, 'token must be a non-empty string'));
const ip = '127.0.0.1';
var credentials = {
token: dnsConfig.token,
fqdn: domain,
hyphenatedSubdomains: true // this will ensure we always use them, regardless of passed-in configs
};
const testSubdomain = 'cloudrontestdns';
const location = 'cloudrontestdns';
upsert(credentials, zoneName, testSubdomain, 'A', [ ip ], function (error, changeId) {
upsert(domainObject, location, 'A', [ ip ], function (error) {
if (error) return callback(error);
debug('verifyDnsConfig: Test A record added with change id %s', changeId);
debug('verifyDnsConfig: Test A record added');
del(credentials, zoneName, testSubdomain, 'A', [ ip ], function (error) {
del(domainObject, location, 'A', [ ip ], function (error) {
if (error) return callback(error);
debug('verifyDnsConfig: Test A record removed again');