Getting Started with jClouds: Multi Cloud Framework
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Getting Started with jClouds: Multi Cloud Framework

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Session Presented @IndicThreads Cloud Computing Conference, Pune, India ( http://u10.indicthreads.com ) ...

Session Presented @IndicThreads Cloud Computing Conference, Pune, India ( http://u10.indicthreads.com )
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One of the big hurdles for an enterprise to move to the cloud is the fear of getting locked into a specific cloud implementation. This is one of the big reasons apart from security of data that keeps most of the enterprises out of the cloud space. Currently each vendor provides their unique set of API to interact with their Cloud services. This mandates a need to recode and refactor when moving from one cloud provider to the other.

jClouds is a multi cloud framework which allows connection to multiple clouds such as Amazon, VMWare, Azure, and Rackspace. jClouds provides portable abstractions for cloud specific features, thus allowing the application to move from one cloud vendor to the other with relative ease. jClouds also had a simulators to operate in restricted environments like Google App Engine and Android. Unit testing and mocking is made easy through stub connections which simulate the cloud.

Takeaways from the session

* Understand the need for a multi cloud framework
* showcase of abstractions for different cloud environments.
* Introduction to capabilities of jClouds
* Hands on application development using jClouds on GAE

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Transcript

  • 1. Getting Started With jClouds Vikas Hazrati Inphina Technologies 1
  • 2. cloud is real ! 2
  • 3. enterprises like to be on cloud 3
  • 4. reluctance due to lock-In 4
  • 5. abstraction 5
  • 6. changing the ecosystem 6
  • 7. multi cloud frameworks Fog Dasein Cloud Delta Cloud LibCloud 7
  • 8. key value storage global name space key, value with metadata http accessible Not the same! sites on demand unlimited scaling 8
  • 9. other factors File Size Resumability CDN Replication SLA Not the same! Consistency Model Authorization API Complexity 9
  • 10. http request 10
  • 11. do you want to deal with this? Errors Concurrency Cloud Complexity 11
  • 12. 12
  • 13. what is jClouds OSS JAVA Framework for cloud enablement and inter cloud communication 3/2009, 1.0-beta6, 105.4k lines, $1.4M Support many clouds including Amazon, VMWare, Azure, and Rackspace. 13
  • 14. easy to start Runtime portability Simple interface Open Source Unit Testability Deals with Web Complexity Performance Feels like java and clojure 14
  • 15. simple interface Basic Advanced 15
  • 16. simple interface Expert 16
  • 17. choose your complexity and weight 17
  • 18. abstractions Blobstore Compute BlobStore ( atmos, azure, rackspace, s3 ) Compute ( vcloud, ec2, gogrid, ibmdev,rackspace,rimu) 18
  • 19. blobstore // init context = new BlobStoreContextFactory().createContext( "s3",accesskeyid,secretaccesskey); blobStore = context.getBlobStore(); // create container blobStore.createContainerInLocation(null, "mycontainer"); // add blob blob = blobStore.newBlob("test"); blob.setPayload("testdata"); blobStore.putBlob(containerName, blob); 19
  • 20. blobstore in detail Managing key-value storage providers Synchronous and Asynchronous APIs Service Blobstore Container Blob 20
  • 21. <Blobstore Code Sample> 21
  • 22. vfs support 22
  • 23. compute: provisioning provisioning (and re-provisioning) is cheap APIs = automation tools exist forgetting to turn things off licensing erratic service quality cloud apis are sometimes unreliable apis are very different across clouds features are very different across clouds accidental complexity 23
  • 24. provisioning with jClouds 24
  • 25. 95 + 5 25
  • 26. projects using jClouds I N F I N I S PAN Android Integration Gigaspaces Elastic Search 26
  • 27. alternatives Roll-your-own Jersey, RESTEasy EC2-based cloud apis typica, jets3t Dasein Cloud API Service provided SDKs 27
  • 28. scepticism api's are not that different to write a driver open source cloud Ruby libraries (RightAws, RightRackspace, RightGoGrid, etc.) not actually that much work to abstract the API details away. real benefit of standards - semantics of resources like vlans, security groups, reassignable IP addresses, network attached block storage devices, etc 28
  • 29. reluctance to lock-in? no more ... 29
  • 30. References:- http://code.google.com/p/jclouds/ http://anyweight.blogspot.com/ http://www.slideshare.net/marakana/jclouds-at-san-francisco-java-user-group http://www.youtube.com/watch?v=queixYPsIq0 30
  • 31. vhazrati@inphina.com http://www.inphina.com http://thoughts.inphina.com 31