'use strict'; const co = require('co'); co(function*() { const ReplSet = require('mongodb-topology-manager').ReplSet; // Create new instance const topology = new ReplSet('mongod', [{ // mongod process options options: { bind_ip: 'localhost', port: 31000, dbpath: `/data/db/31000` } }, { // mongod process options options: { bind_ip: 'localhost', port: 31001, dbpath: `/data/db/31001` } }, { // Type of node arbiterOnly: true, // mongod process options options: { bind_ip: 'localhost', port: 31002, dbpath: `/data/db/31002` } }], { replSet: 'rs' }); yield topology.start(); console.log('done'); }).catch(error => { console.error(error); process.exit(-1); });