The document provides an overview and history of OpenStack, including its components, architecture, development process and roadmap. It discusses how OpenStack began as a collaboration between Rackspace and NASA, its frequent release cycles, over 300 contributors, and $1 billion in venture funding for startups. Key components like Nova, Swift, Glance, Keystone, Quantum and Cinder are explained in terms of their functionality and architecture. The presentation encourages participation in the OpenStack community and addresses questions about high availability of RabbitMQ queues.

3. Atul Jha, Technology Evangalist, R&D, CssCorp
@koolhead17

4. Warm up!!

5. Menu/Agenda

7. – History
– Release
– Stats
– Components in detail
– Development Process
– Q/A
– & some magic :)

8. History

9. Rackspace + Nasa
“OpenStack”

11. And 100 others who could
not make it to the previous
slide...

12. Open

13. Release Cycle
Austin, B, C, D, E, Folsom,
Grizzly (next stable release)

14. Some stats

15. Ohloh..

16. more than 330 contributors who
Implemented 185
different features
In current stable release name
“Folsom”

17. VC funds at stake
Over 1 billion$ on startups.

18. Mergers and acquisition
Nicira acqired by Vmware
Cisco buys vCider
Many more ..

20. Openstack Components in
detail..

21. Nova (OpenStack Compute)
 ReST based API
 Highly-modular framework
 Hardware agnostic
 Hypervisor agnostic

22. Nova components
Scheduler node
Compute node
API node
RabbitMQ
Object server
Database Datastore

23. Swift (OpenStack Object Storage)
 Object storage
 ReSTful interface
 Objects in containers in accounts
 No object size limit
 3+ replication factor in separate

24. Swift main components
Object server
Proxy server
Swift API Container server
Account server

25. Glance (OpenStack Image
service)
 Disk images and associated metadata
 Discover, register and retrieve
 Multiple disk formats :
raw, VHD, vmdk, vdi, qcow2, aki, ari, ami
 Multiple container formats :
ovf, bare, aki, ari, ami

26. Glance architecture
Swift
glance
CLI tool S3
glance-api
glance.client Glance API HTTP
Python library
Local FS
Images
... ...
Registry API
glance-registry ...
SQL
Metadata

27. Keystone (OpenStack Identity)
Unified tenants / accounts for all
services
Swift
Glance keystone-manage
Session API Keystone Admin API
Nova
API servers ...
SQL LDAP

28. “Horizon” (OpenStack Web UI)
 Django module to build web UIs
Quantum
Cinder
Swift
Glance
Nova
API servers

29. Quantum (Network as a service)
Uses agents & plugins
Presents a logical API
Offers an API that is extensible and evolves
independently of the compute API

30. Quantum architecture

31. Folsom - available plugins
Linux Bridge
OpenVSwitch
Nicira NVP
Cisco (UCS Blade + Nexus)
Ryu OpenFlow controller
NEC ProgrammableFlow Controller

32. Cinder
nova-volume codebase
Saperated to facilitate independent
development.
new storage backends:
○ NetApp /w NFS
○ Zadara VPSA

33. Cinder architecture

36. OpenStack as product

37. Public Cloud
Rackspace,
HPcloud,
eNovance,
Internap &
many others ..

38. Private Cloud
Rackspace
Suse
Piston
Nebula
StackOps,
RedHat & others..

39. Who is using it?
AT&T,Dreamhost, NeCTAR,
Aptira and many others
http://www.openstack.org/us
er-stories/

40. Contributing to OpenStack

41. Tools to know
Gerrit
Jenkins
Launchpad
Git
Python
DevStack

42. Development process
sign CLA
pull the source
do the changes
submit for review
Jenkins will pre-merge
& magic will happen :)

43. Roadmap for Grizzly

44. Join Us

45. About OpenStack
openstack.org
wiki.openstack.org/MailingLi
sts
twitter.com/openstack

46. About OpenStack India
twitter.com/openstackindia
www.meetup.com/Indian-
OpenStack-User-Group

47. Rabbitmq being single point
of failure ..
SOMEONE ASKED ME
ABOUT IT IN MY PREVIOUS
PRESENTATION

48. Rabbitmq cluster with
mirrored queue. :D

49. Questions?

50. Razique

51. OSIdays Banglore, India, 12/10/2012

52. Thanks!!
Razique, ttx, @mirantisit, Yogesh,
Ken Pepple