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Appendix A. Configuring the JBoss Enterprise SOA Platform for Cloud Computing
A.1. Amazon Elastic Compute Cloud (EC2)
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Amazon Elastic Compute Cloud (EC2) is a service provided by http://aws.amazon.com/ec2/. You can rent virtual machines on which you run your own software. It is a highly-scalable service and allows you to create virtual machines in realtime to meet specific processing needs.
A.2. Configure the JBoss Enterprise SOA Platform to be Used on an EC2 Cloud
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Prerequisites
Warning
Because this process requires you to shut down your server's firewall leading to a potential security risk, this configuration task MUST be performed inside a VPC subnet, with a firewall on the external interface. Red Hat will NOT support it otherwise.
Procedure A.1. Task
- Create the nodes on EC2. They should belong to a security group that does not have restrictions.
- Within AWS also create an instance that will be used as a database.
- Create a new S3 bucket on AWS.
- Download the JBoss Enterprise SOA Platform EC2 patch from the Customer Portal.
- Unzip the patch and open it from the location you saved it in.
- Run
ant.This creates a new configuration called cluster-ec2, based on theproductionconfiguration. - Make any desired changes to the new configuration (such as modifying it to use MySQL instead of the default database.)
- Shut down the firewall (iptables) on all nodes.
- Run the newly-created configuration, passing the following parameters: jboss.jgroups.s3_ping.access_key, jboss.jgroups.s3_ping.secret_access_key and jboss.jgroups.s3_ping.bucket. (You can obtain these from the AWS console)
A.3. Troubleshooting an EC2 Configuration
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- Ensure that the patch's version number matches that of the JBoss Enterprise SOA Platform distribution.
- If, after starting a large number of nodes, you still see that the cluster has only one member, it is probably a problem related to your firewall.
- Make sure you are not connected to an internal VPN while you are starting the JBoss Enterprise SOA Platform.
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