OpenStack 101 Technical Overview
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OpenStack is an open source cloud computing platform that aims to meet the needs of both public and private clouds. It started in 2010 with the goal of producing an ubiquitous open source solution. The core projects include OpenStack Compute (Nova), OpenStack Object Storage (Swift), and OpenStack Image service (Glance). OpenStack has a very modular architecture with asynchronous communication and horizontal scalability as main goals. It uses shared-nothing architecture and aims for eventual consistency.
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OpenStack 101 Technical Overview
- 1. OpenStack 101 Technical Overview Sandy Walsh OpenStack Core Developer, Rackspace @TheSandyWalsh www.sandywalsh.com
- 7. Project genesis ๎ Cloud servers ๎ Cloud files ๎ Open source
- 8. Project genesis ๎ NovaCC ๎ Open source
- 9. Project genesis ๎ Cloud servers ๎ Cloud files ๎ NovaCC ๎ Open source ๎ Open source ๎ Nova (compute) ๎ Swift (storage)
- 10. June 2010
- 11. Mission statement โTo produce the ubiquitous open source cloud computing platform that will meet the needs of public and private cloud providers regardless of size, by being simple to implement and massively scalable.โ
- 12. Open ๎ Open source (apache) ๎ Open design (blueprints) ๎ Open development (branches) ๎ Open community (tech leads)
- 13. 90 developers
- 14. OpenStack projects Core projects OpenStack Object storage (Swift) OpenStack Image registry and delivery (Glance) OpenStack Compute (Nova) FutureStack Burrow (queue service) Dashboard (Web UI) Keystone (common authentication) Quantum / Melange / Donabe (network) LunR (block storage) RedDwarf (database as a service) ...
- 15. OpenStack Basic Design Tenets http://wiki.openstack.org/BasicDesignTenets 1. Scalabilityย andย elasticityย are our main goals 2. Any feature that limits our main goals must be optional 3. Everything should be asynchronous. If you can't do something asynchronously, see #2 4. All required components must be horizontally scalable 5. Always use Shared Nothing architectureย orย Sharding If you can't Share Nothing/Shard, see #2 6. Distribute everything, especially logic. Move logic to where state naturally exists. 7. Accept eventual consistency and use it where it is appropriate. 8. Test everything. We require tests with submitted code.
- 16. HTTP Auth Client EC2 API Open Stack
- 17. HTTP Auth Client Network Volume EC2 API Host Open Stack Compute Host Compute
- 18. HTTP DB/LDAP auth plugin Auth Client ๎ Flat, FlatDHCP, Vlan ๎ IPv4 / IPv6 Network ๎ Local LVM volume groups ๎ iSCSI ๎ Sheepdog Volume ๎ HP/Lefthand SANs EC2 API Host Open Stack Compute ๎ WSGI+Paste middleware ๎ EC2/OpenStack API ๎ Libvirtย : QEMU, KVM, UML, LXC Host ๎ Xen and XenServer ๎ Hyper-V Compute ๎ VMware vSphere
- 19. HTTP RabbitMQ Queues Auth Client Network Volume EC2 API Host Open Stack Compute Host Compute
- 20. HTTP RabbitMQ Queues Auth Client Scheduler Network Scheduler API Stubs Network Volume Network API Stubs EC2 API Volume Host Volume Open API Stubs Stack Compute Compute Glance API Stubs Host Compute
- 21. HTTP RabbitMQ Queues Scheduler Auth Client Scheduler Network Scheduler API Stubs Network Volume Network API Stubs EC2 API Volume Host Volume Open API Stubs Stack Compute Compute Glance API Stubs Host Compute
- 22. HTTP RabbitMQ Queues Scheduler Auth Client Scheduler Network Scheduler API Stubs Network Volume Network API Stubs EC2 API Volume Host Volume Open API Stubs Stack Compute Compute Glance API Stubs Host PubSubHubBub Compute Notifications
- 23. Zone Scheduler Scheduler Network API Stubs Network Volume API Stubs EC2 API Open Stack Volume Host API Stubs Compute Compute API Stubs Host PubSubHubBub Compute Notifications Auth
- 24. North America West East Coast Coast
- 25. Do not reveal Child Zone/Service architecture outside Zone
- 26. Bursting Private Public Public Internet Zone A Zone X Zone Z Zone Y Zone B Zone W
- 28. Demo DomU Guest Architecture DomU Guest DomU Nova + Glance Dom0 XenServer i5 Mobile 8G ram 500G disk
- 29. The Future New release schedule ๎ Each project releases ~monthly milestones ๎ Coordinated core projects release every 6 months ยซ Diablo ยป release ๎ Release planned on September 22 ๎ Distributed scheduling, boot from volumes, external volumes/network APIs, OpenVZ support...
- 30. Come and join the fun http://launchpad.net/openstack http://wiki.openstack.org http://planet.openstack.org IRC (Freenode) #openstack #openstack-dev Mailing-list https://launchpad.net/~openstack
- 31. Sandy Walsh OpenStack Core Developer, Rackspace @TheSandyWalsh www.sandywalsh.com