Add initial digitalocean dns backend

src/dns/digitalocean.js

@@ -0,0 +1,135 @@
+'use strict';
+
+exports = module.exports = {
+    upsert: upsert,
+    get: get,
+    del: del,
+    getChangeStatus: getChangeStatus
+};
+
+var assert = require('assert'),
+    debug = require('debug')('box:dns/digitalocean'),
+    SubdomainError = require('../subdomains.js').SubdomainError,
+    superagent = require('superagent'),
+    util = require('util');
+
+var DIGITALOCEAN_ENDPOINT = 'https://api.digitalocean.com';
+
+function upsert(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('upsert: %s for zone %s of type %s with values %j', subdomain, zoneName, type, values);
+
+    // FIXME currently we only support one record!
+    var data = {
+        type: type,
+        name: subdomain,
+        data: values[0]
+    };
+
+    superagent.post(DIGITALOCEAN_ENDPOINT + '/v2/domains/' + zoneName + '/records')
+      .set('Authorization', 'Bearer ' + dnsConfig.token)
+      .send(data)
+      .timeout(30 * 1000)
+      .end(function (error, result) {
+        if (error && !error.response) return callback(error);
+        if (result.statusCode !== 201) return callback(new SubdomainError(SubdomainError.EXTERNAL_ERROR, util.format('%s %j', result.statusCode, result.body)));
+
+        return callback(null, 'unused');
+    });
+}
+
+function getInternal(dnsConfig, zoneName, subdomain, type, callback) {
+    assert.strictEqual(typeof dnsConfig, 'object');
+    assert.strictEqual(typeof zoneName, 'string');
+    assert.strictEqual(typeof subdomain, 'string');
+    assert.strictEqual(typeof type, 'string');
+    assert.strictEqual(typeof callback, 'function');
+
+    superagent.get(DIGITALOCEAN_ENDPOINT + '/v2/domains/' + zoneName + '/records')
+      .set('Authorization', 'Bearer ' + dnsConfig.token)
+      .timeout(30 * 1000)
+      .end(function (error, result) {
+        if (error && !error.response) return callback(error);
+        if (result.statusCode !== 200) return callback(new SubdomainError(SubdomainError.EXTERNAL_ERROR, util.format('%s %j', result.statusCode, result.body)));
+
+        console.log('----- getInternal', result.body.domain_records)
+
+        var tmp = result.body.domain_records.filter(function (record) {
+            return (record.type === type && record.name === subdomain);
+        });
+
+        debug('getInternal: %j', tmp);
+
+        return callback(null, tmp);
+    });
+}
+
+function get(dnsConfig, zoneName, subdomain, type, callback) {
+    assert.strictEqual(typeof dnsConfig, 'object');
+    assert.strictEqual(typeof zoneName, 'string');
+    assert.strictEqual(typeof subdomain, 'string');
+    assert.strictEqual(typeof type, 'string');
+    assert.strictEqual(typeof callback, 'function');
+
+    getInternal(dnsConfig, zoneName, subdomain, type, function (error, result) {
+        if (error) return callback(error);
+
+        // We only return the value string
+        var tmp = result.map(function (record) { return record.data; });
+
+        debug('get: %j', tmp);
+
+        return callback(null, tmp);
+    });
+}
+
+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');
+
+    getInternal(dnsConfig, zoneName, subdomain, type, function (error, result) {
+        if (error) return callback(error);
+
+        if (result.length === 0) return callback(null);
+
+        var tmp = result.filter(function (record) { return values.some(function (value) { return value === record.data; }); });
+
+        debug('del: %j', tmp);
+
+        if (tmp.length === 0) return callback(null);
+
+        // FIXME we only handle the first one currently
+
+        superagent.del(DIGITALOCEAN_ENDPOINT + '/v2/domains/' + zoneName + '/records/' + tmp[0].id)
+          .set('Authorization', 'Bearer ' + dnsConfig.token)
+          .timeout(30 * 1000)
+          .end(function (error, result) {
+            if (error && !error.response) return callback(error);
+            if (result.statusCode === 404) return callback(null);
+            if (result.statusCode !== 204) return callback(new SubdomainError(SubdomainError.EXTERNAL_ERROR, util.format('%s %j', result.statusCode, result.body)));
+
+            debug('del: done');
+
+            return callback(null);
+        });
+    });
+}
+
+function getChangeStatus(dnsConfig, changeId, callback) {
+    assert.strictEqual(typeof dnsConfig, 'object');
+    assert.strictEqual(typeof changeId, 'string');
+    assert.strictEqual(typeof callback, 'function');
+
+    // Digitalocean does not have any way to check that
+    callback(null, 'INSYNC');
+}