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Smalltalk in the Cloud

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James Foster, Director of Professional Services

James Foster, Director of Professional Services

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  • 1. Smalltalk in the Cloud ESUG 2013, Annecy, France Tuesday, 10 September, 11:30 am to noon James Foster, Director of Professional Services
  • 2. 3 Abstract • In this talk we describe a Platform as a Service (PaaS) for Smalltalk and show how a Smalltalk application can be deployed easily to Amazon's EC2 using a provided AMI with Cloud Foundry built-in. • We look forward to getting feedback on how this can be made more useful to the community.
  • 3. Agenda • Overview of Cloud Foundry • Cloud Foundry on Amazon EC2 • Pharo in the Cloud • GemStone/S in the Cloud 4
  • 4. Hosting Options What is provided by vendor: Utilities: Network, power, A/C Hardware: CPU, RAM, disk Stack: operating system, web server, runtime, framework Application: this is the programmer's concern Type Utilities Hardware Stack Applications Self-hosting Data center  IaaS   PaaS    SaaS    
  • 5. Accessing Applications 6 Web App App Instance Request Web Interface Load Balancing and Routing Response “cf push MyApp”
  • 6. Scaling Applications 7 Request Web Interface Load Balancing and Routing Response Web App App Instances Web App Web App “cf instances MyApp 3”
  • 7. Sample Server Architecture 8
  • 8. Support for Ruby • Interpreter works with text files • Application code "includes" external libraries • Frameworks (Rails, Sinatra) can be pre-loaded on server 9
  • 9. Support for Java • Runtime VM works with "jar" files • Application code "includes" external libraries • Frameworks (Spring, Lift, Grails) can be pre- loaded on server 10
  • 10. How is Smalltalk Different? • Monolithic image – All application and framework together – Not in text files • Could push text files and build image • Or just push the whole image! 11
  • 11. Cloud Foundry • www.cloudfoundry.com – commercial hosting by Pivotal (VMware, EMC, GE) • www.cloudfoundry.org – Open source PaaS framework 12
  • 12. Amazon Web Services (AWS) 13
  • 13. AWS Regions • http://turnkeylinux.github.io/aws-datacenters/ 14
  • 14. Regions and Availability Zones 15
  • 15. IP Addresses • "Elastic IP" – Static IP that can be moved between VMs • "Route 53" – Domain Name Server 16
  • 16. Elastic Block Store (EBS) • Persistent disks (volumes) • Can be moved from VM to VM • Can have multiple per VM 17
  • 17. Elastic Cloud Computing (EC2) • http://aws.amazon.com/ec2/instance-types/ 18
  • 18. AWS Management • Command Line & Programming API • Web Management Console – https://console.aws.amazon.com/ • Demo! 19
  • 19. Dream... • Offer Smalltalk in the Cloud • Let me know what you want – Pharo – GemStone/S 20
  • 20. Thanks & Questions? • Thanks to – Dale Henrichs, Peter McLean, and Monty Williams – John Thornton (JonnyT) – Norm Green and Dan Ware for the project – Tim Felgentreff of HPI • Contact – James.Foster@GemTalkSystems.com – http://programmingGems.wordpress.com 21