1. OpenStack
Technical WorkShop
Paris, 20th December 2012
Emilien Macchi
OpenStack Operator @ eNovance

2. # whoami
 EmilienM on IRC
 25 old
 Student in Master Degree (Part time)
 OpenStack Operator at eNovance :
 Maintain and manage eNoCloud (Public
Cloud using OpenStack)
 Building CloudWatt Cloud
 OpenStack contributor (HA stuffs + doc)

3. OpenStack
 Created in 2010 by NASA & RackSpace
 Licence Apache 2.0
 Manage IaaS
 Open-Source Framework
 API, Plugins, Drivers
 Multi-tenancy, Scalable, multi-plateform
 Developed in Python

4. OpenStack in the IaaS*
IaaS Components OpenStack Projects
Nova
Compute (Virtual Machines)
Swift
(Object Storage)
Storage
Cinder
(Block Storage)
Quantum
Networking
(Virtual Networking)
* Infrastructure as a Service

5. Get the VM

Download it : http://goo.gl/01Dr5

Ubuntu 12.04 with Cloud Archives

root / password

MySQL installed

Scripts already in /root

Packages downloaded, NOT installed

Usable with VMware & Virtual Box

6. Architecture

7. Networking

1 NIC for Management (192.168.0.0/24)
→ « NAT »

1 NIC for Data (10.10.10.0/24)
→ « Internal »

1 NIC for Public (7.7.7.0/24)
→ « Bridge » with WLAN or Ethernet

8. Common Services

MySQL (Backend Databases)
→ Used by Keystone, Glance, Nova,
Cinder, and Quantum.

RabbitMQ (Middleware for queuing)
→ Used by Glance, Nova, Cinder and
Quantum.

9. Keystone : Identity as a Service 1/2

Identity (Users, tenants, roles, metadata)
→ Can be backed by LDAP

Token : Authentify requests from user /
tenant

Service Catalog : Endpoint registry

Policy Services : Rule-based authorization
engine

10. Keystone : Identity as a Service 2/2
1) Install packages & Configuration
2) Synchronize the Database
3) Create Users, Tenants, Roles
4) Create Services and Endpoints
5) Test the identity.

11. Glance : Image Delivery 1/2

Discovering, Registring, Retrieving Virtual
Machine images.

The images can be stored in : regular FS,
RBD (Ceph), Amazon S3 or Swift.

Disk Formats : raw, vhd, vmdk, vdi, iso,
qcow2, aki, ari, ami.

Container Formats : bare, ovf, aki, ami, ari.

12. Glance : Image Delivery 2/2
1) Install packages & Configuration
2) Synchronize the Database
3) Import CirrOS image with CLI

13. Cinder : Block Storage 1/2

Formerly « nova-volume »

Create / Delete / Attach / Detach volumes
to a VM

Storage backed by : NFS, iSCSI, SolidFire,
NetAPP, etc...

14. Cinder : Block Storage 2/2
1) Prepare the second disk with LVM
2) Install packages & Configuration
3) Synchronize the Database
4) Create a 1GB volume for testing

15. Quantum : Networking 1/2

Provides connectivity to Vms

Manage L2 & L3 with an API

Networking backed by plugins : Open-
vSwitch, Linux Bridge, Cisco, OpenFlow
(BigSwitch, Floodlight, NEC, Ryu, etc),
Midonet (Midokura) and NVP (Nicira /
Vmware).

16. Quantum : Networking 2/2
1) Install packages & Configuration
2) Create virtual L2 with Open-vSwitch
3) Create virtual L3 with the script
4) Configure L3 Agent

17. Nova : Compute Service 1/2

Manages Virtual Machines

Libvirt friendly

Hypervisors supported : KVM / qemu, Xen,
Hyper-V (all ready for production)

Interact with other services (Cinder,
Quantum, Glance, Keystone, etc)

18. Nova : Compute Service 2/2
1) Install packages & Configuration
2) Synchronize the Database
3) Configure the Hypervisor
4) Spawn a VM with CLI

19. Horizon : Dashboard 1/2

Developped with Python / Django

Manage VMs, Images, Identity, Volumes

Not yet full-integraded with Quantum :
only L2 is working. L3 should be managed
from CLI.

20. Horizon : Dashboard 2/2
1) Install the packages
2) Connect to the dashboard :
→ http://<ip>/horizon

21. Start your first VM !

Use demo tenant / user

Check networking before

Spawn a VM from CirrOS image

Attach the virtual port to a floating IP
(from Quantum CLI)

Ping the VM

SSH the VM

Play with volumes

22. Questions ?
E-mail : emilien@enovance.com
irc : EmilienM
twitter : EmilienMacchi