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'use strict';
run().catch(error => {  console.error(error);  process.exit(-1);});

async function run() {  const Sharded = require('mongodb-topology-manager').Sharded;
  // Create new instance  const topology = new Sharded({    mongod: 'mongod',    mongos: 'mongos'  });
  await topology.addShard([{    options: {      bind_ip: 'localhost', port: 31000, dbpath: '/data/db/31000', shardsvr: null    }  }], { replSet: 'rs1' });
  await topology.addConfigurationServers([{    options: {      bind_ip: 'localhost', port: 35000, dbpath: '/data/db/35000'    }  }], { replSet: 'rs0' });
  await topology.addProxies([{    bind_ip: 'localhost', port: 51000, configdb: 'localhost:35000'  }], {    binary: 'mongos'  });
  console.log('Start...');  // Start up topology  await topology.start();
  console.log('Started');
  // Shard db  await topology.enableSharding('test');
  console.log('done');}