var provider = "amazon";
  var awsAccessKey = "myaccesskey";
  var awsSecretKey = "mysecretkey";

  var client = pkgcloud.compute.createClient({
    provider: provider,
    accessKey: awsAccessKey,
    accessKeyId: awsSecretKey,
  });

  client.getServers(function (err, servers) {
    console.log("getServers response");
    console.log("err: ", err);
    console.log("servers: ", servers);
  })