<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8" %>
<%@ page import="com.amazonaws.*" %>
<%@ page import="com.amazonaws.auth.*" %>
<%@ page import="com.amazonaws.auth.profile.*" %>
<%@ page import="com.amazonaws.services.ec2.*" %>
<%@ page import="com.amazonaws.services.ec2.model.*" %>
<%@ page import="com.amazonaws.services.s3.*" %>
<%@ page import="com.amazonaws.services.s3.model.*" %>
<%@ page import="com.amazonaws.services.dynamodbv2.*" %>
<%@ page import="com.amazonaws.services.dynamodbv2.model.*" %>
<%! // Share the client objects across threads to
// avoid creating new clients for each web request
private AmazonEC2 ec2;
private AmazonS3 s3;
private AmazonDynamoDB dynamo;
%>
<%
/*
* AWS Elastic Beanstalk checks your application's health by periodically
* sending an HTTP HEAD request to a resource in your application. By
* default, this is the root or default resource in your application,
* but can be configured for each environment.
*
* Here, we report success as long as the app server is up, but skip
* generating the whole page since this is a HEAD request only. You
* can employ more sophisticated health checks in your application.
*/
if (request.getMethod().equals("HEAD")) return;
%>
<%
if (ec2 == null) {
AWSCredentialsProviderChain credentialsProvider = new AWSCredentialsProviderChain(
new InstanceProfileCredentialsProvider(),
new ProfileCredentialsProvider("{CREDENTIAL_PROFILE}"));
ec2 = new AmazonEC2Client(credentialsProvider);
s3 = new AmazonS3Client(credentialsProvider);
dynamo = new AmazonDynamoDBClient(credentialsProvider);
}
%>
Hello AWS Web World!
Amazon S3 Buckets:
<% for (Bucket bucket : s3.listBuckets()) { %>
<%= bucket.getName() %>
<% } %>
Amazon DynamoDB Tables:
<% for (String tableName : dynamo.listTables().getTableNames()) { %>
<%= tableName %>
<% } %>
Amazon EC2 Instances:
<% for (Reservation reservation : ec2.describeInstances().getReservations()) { %>
<% for (Instance instance : reservation.getInstances()) { %>