1. OpenStack
Open as in « Open »
Thierry Carrez
Release Manager, OpenStack

4. Open

5. Open source

6. Open design

7. Open development

8. Open community

9. Governance Project Policy Board (PPB)
Project technical leads (PTLs)
elect (one per core project, currently 5)
Developers
Community-elected members (5)
elects
Wider
« community »
Rackspace-appointed seats (4)
appoints

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11. 140 developers

12. Development cycle
Design, blueprint creation
Design Summit, 3 days to discuss and brainstorm
PTLs define cycle targets
6 months
Feature milestones every 4 weeks
Last feature milestone, no more features allowed
Release branch is cut, next cycle starts
Final release

13. Journey of a feature
Write Code Pre-merge Postmerge Milestone Final
Design tests Release
code review tests Release
feature branch
trunk

14. OpenStack projects
Nova (compute)
Glance (image service)
Core Swift (storage)
Keystone (common authentication)
« Dashboard » (web UI)
Incubation
Quantum (virtual network service)
Related

15. Swift (OpenStack Object Storage)

Object storage

RESTful interface

Objects in containers in accounts

No object size limit

3+ replication factor in separate « zones »

Stable and deployed in production

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

17. Swift: scales horizontally

No central index, independent API servers

Object location is derived from its name

Uses commodity hardware

18. Coming up in Diablo...

Container synchronization across clusters

Integration with Keystone authentication

Node load balancing on HEAD/GET

« X-Newest: true » to get newest version

19. 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

20. 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

21. Glance: is very pluggable
Swift
glance
CLI tool S3
glance-api
glance.client Glance API HTTP
Python library
Local FS
Images
... ...
Registry API
glance-registry ...
SQL
Metadata

22. Coming up in Diablo...

Limiting, paging, filtering, ordering results

Local filesystem LRU cache

Delayed deletion of images

Integration with Keystone authentication

Sharing images between tenants

Notification system

New ISO disk format

23. Nova (OpenStack Compute)

« VMs one API call away »

Highly-modular framework

Still quickly evolving

Already deployed in private clouds (NASA)

In alpha at Rackspace and HP public clouds

24. Nova components
Scheduler node
Compute node
API node
RabbitMQ
Network node
Network node
Volume node
Object server
Datastore

25. Nova: is highly modular

WSGI middleware
API node Network node

Flat, FlatDHCP, Vlan

EC2/OpenStack API 
IPv4 / IPv6

Keystone/standalone auth

Pluggable

QEMU, KVM, UML, LXC
Scheduler node Compute node  Xen and XenServer

Chance

Zone-aware

Hyper-V

VMware vSphere

AMQP
Local LVM volume groups

Volume node  iSCSI

Sheepdog
Sqlite


HP/Lefthand SANs
Datastore  MySQL

Postgres Object server

26. Coming up in Diablo...

Distributed scheduling across zones

Snapshot, clone and boot from volumes

Integration with Keystone authentication

OpenStack API 1.1

Configuration drive

KVM Pause/Suspend support

Instance migration

Notification system

Instance types and capabilities-based scheduling

Multiple NICs

KVM Block migration support

HA mode for FlatDHCP network model

Support for Virtual Storage Arrays

Global firewall rules

Support for multiple volume types

Quantum NaaS integration points

Floating IPs in OpenStack API

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

29. OpenStack is... you, us
http://launchpad.net/openstack
http://wiki.openstack.org
http://planet.openstack.org
IRC (Freenode)
#openstack
#openstack-dev
Mailing-list
https://launchpad.net/~openstack

30. Questions ?
thierry@openstack.org
http://fnords.wordpress.com
Follow @tcarrez