ec2_device_manager.CreateSecurityGroupApp.java Source code

Introduction

Here is the source code for ec2_device_manager.CreateSecurityGroupApp.java

Source

package ec2_device_manager;
/*
 * Copyright 2010-2012 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;

import com.amazonaws.AmazonServiceException;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.PropertiesCredentials;
import com.amazonaws.services.ec2.AmazonEC2;
import com.amazonaws.services.ec2.AmazonEC2Client;
import com.amazonaws.services.ec2.model.AuthorizeSecurityGroupIngressRequest;
import com.amazonaws.services.ec2.model.CreateSecurityGroupRequest;
import com.amazonaws.services.ec2.model.IpPermission;

public class CreateSecurityGroupApp {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // Retrieves the credentials from an AWSCredentials.properties file.
        AWSCredentials credentials = null;
        try {
            credentials = new PropertiesCredentials(
                    CreateSecurityGroupApp.class.getResourceAsStream("AwsCredentials.properties"));
        } catch (IOException e1) {
            System.out.println("Credentials were not properly entered into AwsCredentials.properties.");
            System.out.println(e1.getMessage());
            System.exit(-1);
        }

        // Create the AmazonEC2Client object so we can call various APIs.
        AmazonEC2 ec2 = new AmazonEC2Client(credentials);

        // Create a new security group.
        try {
            CreateSecurityGroupRequest securityGroupRequest = new CreateSecurityGroupRequest("GettingStartedGroup",
                    "Getting Started Security Group");
            ec2.createSecurityGroup(securityGroupRequest);
        } catch (AmazonServiceException ase) {
            // Likely this means that the group is already created, so ignore.
            System.out.println(ase.getMessage());
        }

        String ipAddr = "0.0.0.0/0";

        // Get the IP of the current host, so that we can limit the Security Group
        // by default to the ip range associated with your subnet.
        try {
            InetAddress addr = InetAddress.getLocalHost();

            // Get IP Address
            ipAddr = addr.getHostAddress() + "/10";
        } catch (UnknownHostException e) {
        }

        //System.exit(-1);
        // Create a range that you would like to populate.
        ArrayList<String> ipRanges = new ArrayList<String>();
        ipRanges.add(ipAddr);

        // Open up port 23 for TCP traffic to the associated IP from above (e.g. ssh traffic).
        ArrayList<IpPermission> ipPermissions = new ArrayList<IpPermission>();
        IpPermission ipPermission = new IpPermission();
        ipPermission.setIpProtocol("tcp");
        ipPermission.setFromPort(new Integer(22));
        ipPermission.setToPort(new Integer(22));
        ipPermission.setIpRanges(ipRanges);
        ipPermissions.add(ipPermission);

        try {
            // Authorize the ports to the used.
            AuthorizeSecurityGroupIngressRequest ingressRequest = new AuthorizeSecurityGroupIngressRequest(
                    "GettingStartedGroup", ipPermissions);
            ec2.authorizeSecurityGroupIngress(ingressRequest);
        } catch (AmazonServiceException ase) {
            // Ignore because this likely means the zone has already been authorized.
            System.out.println(ase.getMessage());
        }
    }

}