React Native

EC2 Stop Instances

See more Amazon EC2 Examples

Demonstrates how to send a request to stop Amazon EC2 instances. React Native

import { AuthAws, Rest, Xml } from '@chilkat/react-native'

async function chilkatExample() {
  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const rest = new Rest();

  // Connect to the Amazon AWS server.
  // such as https://ec2.amazonaws.com/
  const bTls = true;
  const port = 443;
  const bAutoReconnect = true;
  await rest.connectAsync('ec2.us-west-2.amazonaws.com', port, bTls, bAutoReconnect);

  // Provide AWS credentials for the REST call.
  const authAws = new AuthAws();
  authAws.accessKey = 'AWS_ACCESS_KEY';
  authAws.secretKey = 'AWS_SECRET_KEY';
  // the region should match the region part of the domain passed to the REST connect method (above).
  authAws.region = 'us-west-2';
  authAws.serviceName = 'ec2';

  rest.setAuthAws(authAws);

  rest.addQueryParam('Action', 'StopInstances');
  rest.addQueryParam('Version', '2016-11-15');
  // If DryRun is true then checks whether you have the required permissions for the action, 
  // without actually making the request, and provides an error response. If you have the required permissions, 
  // the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.
  // Omit the DryRun query parameter to actually start the instance.  (Or set DryRun equal to "false")
  rest.addQueryParam('DryRun', 'true');
  rest.addQueryParam('InstanceId.1', 'i-999719995399c9999');

  // See EC2 Stop Instances Reference Documentation
  // for more information about the Force and Hibernate query params, which are optional and true/false just like DryRun.

  let responseXml: string;
  try {
    responseXml = await rest.fullRequestNoBodyAsync('GET', '/');
  } catch {
    console.log(rest.lastErrorText);
    return;
  }

  // A successful response will have a status code equal to 200.
  if (rest.responseStatusCode !== 200) {
    console.log(`response status code = ${rest.responseStatusCode}`);
    console.log(`response status text = ${rest.responseStatusText}`);
    console.log(`response header: ${rest.responseHeader}`);
    console.log(`response body: ${responseXml}`);
    return;
  }

  // Examine the successful XML response.
  const xml = new Xml();
  xml.loadXml(responseXml);
  console.log(xml.getXml());
}