// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

// ABOUT THIS NODE.JS SAMPLE: This sample is part of the SDK for JavaScript Developer Guide topic at
// https://docs.aws.amazon.com/sdk-for-javascript/v2/developer-guide/ec2-example-managing-instances.html

// snippet-start:[ec2.JavaScript.Instances.rebootInstances]
// Load the AWS SDK for Node.js
var AWS = require("aws-sdk");
// Set the region
AWS.config.update({ region: "REGION" });

// Create EC2 service object
var ec2 = new AWS.EC2({ apiVersion: "2016-11-15" });

var params = {
  InstanceIds: ["INSTANCE_ID"],
  DryRun: true,
};

// Call EC2 to reboot instances
ec2.rebootInstances(params, function (err, data) {
  if (err && err.code === "DryRunOperation") {
    params.DryRun = false;
    ec2.rebootInstances(params, function (err, data) {
      if (err) {
        console.log("Error", err);
      } else if (data) {
        console.log("Success", data);
      }
    });
  } else {
    console.log("You don't have permission to reboot instances.");
  }
});
// snippet-end:[ec2.JavaScript.Instances.rebootInstances]