1. oVirt Architecture
Itamar Heim

2. Agenda oVirt Components Storage Concepts Data Warehouse & Reports
Engine
Clients
Host
Engine Agent - VDSM
Guest
Storage Concepts
Data Warehouse & Reports
User flows

3. Architecture From 30,000 Feet
Servers
Engine
Client

4. The Real World Web Clients DB Engine Python SDK Python CLI LDAP Server
Guest agent
Spice
client
Shared
Storage
Guest
Host
VDSM
Local Storage

5. RHEV-M Engine VM & Template Life Cycle create, schedule, snapshot Load
Balancing HA
Storage
Configuration & Monitoring
Network
Configuration & Monitoring
Host
Register/Install
Host
Monitoring
Host
Maintenance
Host
Fencing
Authentication, Authorization
Audit
Inventory

6. RHEV-M Engine
Postgres DB
Engine
Active
Directory
RHDS R E S T
IDM

7. The Real World Web Clients DB Engine Python SDK Python CLI LDAP Server
Guest agent
Spice
client
Shared
Storage
Guest
Host
VDSM
Local Storage

8. The Clients Admin Portal User Portal Engine Python SDK R E S T
Python CLI

9. Admin Portal

10. User Portal

11. Power User Portal

12. REST API

13. SDK

14. CLI

15. The Real World Web Clients DB Engine Python SDK Python CLI LDAP Server
Guest agent
Spice
client
Shared
Storage
Guest
Host
VDSM
Local Storage

16. The Host Configuration Monitoring : Fedora Engine Ovirt Node QEMU/KVM
libvirt
VDSM
KSM
Configuration Monitoring :
Network, Storage, Host, VMs

17. The Real World Web Clients DB Engine Python SDK Python CLI LDAP Server
Guest agent
Spice
client
Shared
Storage
Guest
Host
VDSM
Local Storage

18. Fedora | ovirt-Node | RHEL
The Guest
guest
Agent
virtio-
net
virtio-block
virtio-serial
spice
qxl
virtio-balloon
spice
client
Linux | Windows Guest
Fedora | ovirt-Node | RHEL

19. Putting the Pieces Together
Web Clients DB
Engine
Python SDK
Python CLI
LDAP
Server R E S T
Guest agent
Spice
client
Shared
Storage
Guest
Host
VDSM
Local Storage

20. Storage Concepts
Shared
Storage
Host
Host
Host
Host
Local Storage

21. Storage Concepts Storage Pool Storage Domain * Storage Domain Storage
* Master Storage Domain
Storage
Domain
Storage Pool Manager
(SPM)

22. Data Warehouse
Operational DB
History DB
ETL
API

23. Talend Open Studio

24. DWH & Reports Operational DB History DB ETL API Jasper Report Server
Predefined reports
Customized reports

25. Example Report

26. User Flows
Create
Start
Stop

27. Create VM From Template

28. Create VM From TemplateDB
Postgres
Admin Portal
Engine
SPM Node SD
VDSM

29. Run a VM

30. Run a VM Choose a host on which to start the VM Admin Portal Engine
Guest
VDSM
libvirt
libvirt
QEMU
KVM

31. What are Hooks? A mechanism for customization
Allows the administrator to manipulate the VM life cycle
Points of manipulation
Before / after VM start
Before / after VM migration in/out
On VM stop
Etc.

32. Use Hooks

33. Start VM With Hooks Choose a host on which to start the VM
Admin Portal
Engine
Guest
VDSM
libvirt
libvirt
QEMU
KVM
Manipulate
libvirt XML

34. Connect to Guest

35. Connect To Guest User Portal Active-x XPI Spice client Spice Protocol
Engine
Set ticket
Return ticket
QEMU/KVM
Spice Server
VDSM
libvirt

36. VM Migration

37. VM Migration Admin Portal Engine SRC Host DST Host VDSM Prepare VDSM
libvirt
libvirt
QEMU
KVM
QEMU
KVM

38. Summary Review of various oVirt components
User Action -> Flow in the system
Everything is open sourced

39. Get Involved! Wiki http://www.ovirt.org/wiki Mailing lists
— oVirt Platform user list
— oVirt Platform announce list
— oVirt-engine devel list
— oVirt-node devel list
IRC
#ovirt on irc.oftc.net

40. THANK YOU !