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Management Framework for Amazon EC2

Management Framework for Amazon EC2. Speaker: Frank Bitzer fbitzer@just-works.de http://www.just-works.de. Introduction Cloud Computing Amazon EC2 Goals & Motivation ECToo – Concepts Base Functions Remoting File Transfer Bundling AMIs Notification Mechanism ECToo - Implementation

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Management Framework for Amazon EC2

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  1. Management Framework for Amazon EC2 Speaker: Frank Bitzer fbitzer@just-works.de http://www.just-works.de

  2. Introduction Cloud Computing Amazon EC2 Goals & Motivation ECToo – Concepts Base Functions Remoting File Transfer Bundling AMIs Notification Mechanism ECToo - Implementation Architecture Technology Stack Live-Demo Summary & Outlook Outline

  3. Introduction – What means the „Cloud“ Cloud Computing Computing Paradigm Tasks accomplished by a collection of services Origin: Grid Computing The „Cloud“ … … is highly scalable … may be spread over multiple data centers … usually is accessed via a Web service interface

  4. Introduction – Amazon EC2 „Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides resizable compute capacity in the cloud.“ Source: http://aws.amazon.com/ec2/ • Designed for developers • Allocate computing power within minutes • Allows to quickly scale up and down according to requirements • AMI (Amazom Machine Image) • Preconfigured virtual server image

  5. Introduction – Goals & Motivation • EC2 offers a lot of possibilities • Scenarios ranging from executing simple stress tests on EC2 to building huge distributed applications that scale on demand • Amazon‘s Web service interface does only provide base functionalities •  an enhanced management framework is desirable • Wrapper around the EC2 API • Convienient Web service interface • Web-based GUI • Encapsulate enhanced functions • Idea: orchestrating EC2 from BPEL processes

  6. Introduction Cloud Computing Amazon EC2 Goals & Motivation ECToo – Concepts Base Functions Remoting File Transfer Bundling AMIs Notification Mechanism ECToo - Implementation Architecture Technology Stack Live-Demo Summary & Outlook Outline

  7. ECToo – Base Functions As a management tool for EC2, ECToo supports… …registering and deregistering AMIs …starting, rebooting and stopping instances Including the possibility to pass custom user data or files at startup …monitoring instances …managing security groups …managing keypairs All functionalities are accessible… …via Web service interface …from a web-based user interface

  8. ECToo – Remoting Control server instance on EC2 remotely Allow execution of arbitrary commands Enable full flexibility BPEL process can invoke functions on an instance Fundament for other enhanced functionalities

  9. ECToo – Remoting II Returning results Standard Output (StdOut) Error Output (ErrOut) Exit code All of these values are returned by ECToo Web service Caller can evaluate the result

  10. ECToo – Remoting Request & Response

  11. ECToo – File Transfer • Transfer files to an AMI instance • From local file system • From S3 • From any URL • Download files from an AMI instance • To local file system • No need to download into a S3 bucket since there are a lot of good tools that can be invoked using ECToo‘s remoting capabilities • SCP is used for file transfer • Web service interface uses MTOM

  12. ECToo – Bundling AMIs • „Bundling“ = Process of creating a new AMI based on an existing one • Used to persist configuration changes • Long running process, depending on size of AMI • ECToo support for bundling • Sequence of remote commands • Encapsulated in one function • Accessible via Web service and user interface • Coupled with the ECToo notification mechanism • Trigger a notification message when bundling has finished • See next slides…

  13. ECToo – Notification Mechanism • Goals • Subscribe to events that happen on an AMI instance • Possibility to react on events such as • Load exceeds a particular value • A certain process finishes its work • … • Be generic! • Allow to subscribe any kind of endpoint • SOAP endpoint: default implementation • Possible extensions (example) • Notifications via SMS • Use the common publish/subscribe pattern • Support for topics desired

  14. ECToo – Notification Mechanism II • Architecture

  15. ECToo – Notification Mechanism III • Notification Core

  16. Introduction Cloud Computing Amazon EC2 Goals & Motivation ECToo – Concepts Base Functions Remoting File Transfer Bundling AMIs Notification Mechanism ECToo - Implementation Architecture Technology Stack Live-Demo Summary & Outlook Outline

  17. ECToo – Architecture I • Goals • Extensibility • Provide extension points where developers can trim or enhance ECToo • Ideally without having to change existing code • Modularity • Web application and Web service interface share same business logic • But it should be possible to use one without the other • Ease of use • No complicated installation mechanisms • Convenient and clean design of both Web service interface and GUI

  18. ECToo – Architecture II • Deployment diagram

  19. ECToo – Technology Stack I • General • Maven 2 • Not only a build system, but a comprehensive software project management tool • Dependent libraries are fetched from public repositories and added to the classpath • Transitive dependencies  no need to care for dependencies of dependencies • Web service layer • Axis2 • Web service engine available in C and Java • Core concept: Modularity • Modules available e.g. for • WS-Adressing • WS-Security  no limits for further enhancements to ECToo

  20. ECToo – Technology Stack II • User interface / web application • Java Server Faces (JSF) • Server side user interface component framework for Java web applications • Realizes MVC pattern • Facelets • Alternative view technology that allows to use JSF without JSP • Comprehensive templating mechanism • JBoss Seam • Powerful application framework for building Web 2.0 applications • Integration framework, integrates AJAX, JSF, Hibernate and various other technologies • JBoss RichFaces • Component library for JSF • Provides AJAX capabilities out of the box

  21. Introduction Cloud Computing Amazon EC2 Goals & Motivation ECToo – Concepts Base Functions Remoting File Transfer Bundling AMIs Notification Mechanism ECToo - Implementation Architecture Technology Stack Live-Demo Summary & Outlook Outline

  22. Live-Demo Be impressed…

  23. Introduction Cloud Computing Amazon EC2 Goals & Motivation ECToo – Concepts Base Functions Remoting File Transfer Bundling AMIs Notification Mechanism ECToo - Implementation Architecture Technology Stack Live-Demo Summary & Outlook Outline

  24. Summary & Outlook • Cloud Computing is a current topic • Example: Microsoft announced Windows Azure • Amazon continues to refine its services • ECToo offers a lot of functionalities • All of them accessible from BPEL processes • ECToo can be used as a web-based, graphical management tool, too • However…  • ECToo does not implement all of the newest features of EC2 • so there is still some work to do…

  25. Thank you… …for listening! Please note: ECToo is about to be published! Visit http://ectoo.net to stay up to date.

  26. Discussion Any questions?

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