add route to sync dns records

merge the mail dns route with this one as well

fixes #737

src/cloudron.js

@@ -17,6 +17,7 @@ exports = module.exports = {
     setDashboardDomain,
     updateDashboardDomain,
     renewCerts,
+    syncDnsRecords,
 
     runSystemChecks
 };
@@ -401,3 +402,16 @@ function setupDnsAndCert(subdomain, domain, auditSource, progressCallback, callb
         });
     });
 }
+
+function syncDnsRecords(options, callback) {
+    assert.strictEqual(typeof options, 'object');
+    assert.strictEqual(typeof callback, 'function');
+
+    tasks.add(tasks.TASK_SYNC_DNS_RECORDS, [ options ], function (error, taskId) {
+        if (error) return callback(error);
+
+        tasks.startTask(taskId, {}, NOOP_CALLBACK);
+
+        callback(null, taskId);
+    });
+}