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arangodb/js/server/bootstrap/coordinator.js

76 lines
2.9 KiB
JavaScript

'use strict';
// //////////////////////////////////////////////////////////////////////////////
// / @brief initialize a new database
// /
// / @file
// /
// / DISCLAIMER
// /
// / Copyright 2014 ArangoDB GmbH, Cologne, Germany
// /
// / Licensed under the Apache License, Version 2.0 (the "License")
// / you may not use this file except in compliance with the License.
// / You may obtain a copy of the License at
// /
// / http://www.apache.org/licenses/LICENSE-2.0
// /
// / Unless required by applicable law or agreed to in writing, software
// / distributed under the License is distributed on an "AS IS" BASIS,
// / WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// / See the License for the specific language governing permissions and
// / limitations under the License.
// /
// / Copyright holder is ArangoDB GmbH, Cologne, Germany
// /
// / @author Dr. Frank Celler
// / @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
// //////////////////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////////////////
// / @brief initialize a new database
// //////////////////////////////////////////////////////////////////////////////
(function () {
const internal = require('internal');
// statistics can be turned off
if (internal.enableStatistics && internal.threadNumber === 0) {
require('@arangodb/statistics').startup();
}
// autoload all modules and reload routing information in all threads
internal.loadStartup('server/bootstrap/autoload.js').startup();
internal.loadStartup('server/bootstrap/routing.js').startup();
if (internal.threadNumber === 0) {
require('@arangodb/foxx/manager')._startup();
require('@arangodb/tasks').register({
id: 'self-heal',
isSystem: true,
period: 5 * 60, // secs
command: function () {
const FoxxManager = require('@arangodb/foxx/manager');
FoxxManager.healAll();
}
});
// start the queue manager once
require('@arangodb/foxx/queues/manager').run();
const systemCollectionsCreated = global.ArangoAgency.get('SystemCollectionsCreated');
if (!(systemCollectionsCreated && systemCollectionsCreated.arango && systemCollectionsCreated.arango.SystemCollectionsCreated)) {
// Wait for synchronous replication of system colls to settle:
console.info('Waiting for initial replication of system collections...');
const db = internal.db;
const colls = db._collections().filter(c => c.name()[0] === '_');
if (!require('@arangodb/cluster').waitForSyncRepl('_system', colls)) {
throw new Error('System collections not properly set up. Refusing startup!');
} else {
global.ArangoAgency.set('SystemCollectionsCreated', true);
}
}
console.info('bootstrapped coordinator %s', global.ArangoServerState.id());
}
return true;
}());