Why OpenStack matters and how you can get involved

Why OpenStack Matters
And How You Can Get
Started
Matt Farina – CloudDevelop 2014
© Copyright 2014 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.

Matt Farina
• Master Technologist at
HP Cloud
• OpenStack and Cloud Foundry
for 3+ Years
• Long time open source
contributor
• Author
• mattfarina.com
@mattfarina
© Copyright 2014 Hewlett-Packard Development Company, L.P. The information contained herein is subject 2 to change without notice.

Why does cloud matter
beyond AWS, Azure, and
Google Cloud?

Industrial Espionage
“Chinese hacking of American computer networks is old news. For years we've
known about their attacks against U.S. government and corporate targets.
We've seen detailed reports of how they hacked The New York Times. Google
has detected them going after Gmail accounts of dissidents. They've built
sophisticated worldwide eavesdropping networks. These hacks target both
military secrets and corporate intellectual property. They're perpetrated by a
combination of state, state-sponsored and state-tolerated hackers. It's been
going on for years. ”
- Bruce Schneier
(Emphasis mine)
https://www.schneier.com/blog/archives/2014/06/chinese_hacking_1.html

Many enterprises want to control
and lock down at least part of
their cloud presence.

Edward
Snowden

http://www.zdnet.com/brazilian-government-launches-own-cloud-offering-7000020738/

Governments International Reach
(eg., Microsoft Ireland Search Warrant)

Government and Industry
Regulations

Cloud Growth in Private Cloud
Data from 451 Research
Today
Public Cloud
Hosted
Private Cloud
Traditional
Dedicated
2 Years
Public Cloud
Hosted
Private Cloud
Traditional
Dedicated

“Market analyst firm Gartner believes
almost 50% of large enterprises will have
hybrid cloud deployments by the end of
2017.”
http://www.itweb.co.za/index.php?option=com_content&view=article&id=138383:Hybrid-cloud-makes-sense-for-CIOs&catid=869

Hybrid
Public Private

Future of Open Source Survey 2014
Ability to access source code, add
features and fix code yourself rose
sharply from #8 to #4 (since 2013).
http://www.slideshare.net/blackducksoftware/2014-future-of-open-source-survey-results

What is OpenStack?

OpenStack is open source (Apache 2
license)

Service Project Name
Identity Keystone
Object Storage Swift
Compute Nova
Networking Neutron
Block Storage Cinder
Image Service Glance
Dashboard Horizon
Telemetry Ceilometer
Orchestration Heat
Database Trove
Bare Metal Ironic
Cloud Messaging Zaqar
Elastic Map Reduce Sahara

100+ Related Projects
(stackforge)

Think Of A Cloud Like Linux Distribution
Kernel User Land
Additional
Packages
Opinionated
Config

OpenStack and Related Projects
Kernel User Land
Additional
Packages
Opinionated
Config

Logging, DevOps, Security, and Parts You Fill In
Kernel User Land
Additional
Packages
Opinionated
Config

You could standup OpenStack yourself
or………

Use A Distribution
http://www.openstack.org/marketplace/distros/

Public Clouds
Numerous public clouds around the world
http://www.openstack.org/marketplace/public-clouds/

http://www.indeed.com/jobtrends?q=openstack&l=&relative=1

Choose Your Own
Adventure
1. Build Apps For OpenStack
1. Contribute to OpenStack
1. Standup OpenStack
http://www.flickr.com/photos/numberstumper/167209015/

So, You Want To Build An
App For OpenStack

The OpenStack APIs are “basically” the same
everywhere

Start with DevStack or a public cloud

developer.openstack.org

Use An SDK … if one exists

The API and SDK problem
API permutations can and do happen
V1 V2 V3
Identity X X
Compute X (and 2.1)
Image X X
Block Storage X X
Telemetry X
Database X
Object Storage X

http://developer.openstack.org/api-ref.html

Ask Questions… ask.openstack.org

Or use IRC wiki.openstack.org/wiki/IRC

So, you want to contribute
to OpenStack itself…

DevStack Environment

Make sure you have enough hardware
horsepower

Setting Up DevStack
1. Start with Linux (eg., Ubuntu)
2. Clone DevStack
$ git clone https://github.com/openstack-dev/devstack.git
3. Create a config (what services and what they use )
4. Start DevStack
$ cd devstack; ./stack.sh
5. Start Using It

Let’s start with Github

Github is a mirror

Gerrit – review.openstack.org

Who Uses Gerrit?

Zuul - status.openstack.org/zuul/

Get Setup in Gerrit

How To Start Hacking On OpenStack
Install git-review
$ pip install git-review
Get a project to work on
$ git clone git://github.com/openstack/horizon.git
Work on a branch (bug/[bug id] or bp/[blueprint name])
$ git checkout –b TOPIC-BRANCH
Make changes which should be in a single commit then send for review
$ git review

The Review on review.openstack.org

The Tests and Reviewers

Update A Change (alternative to pull request)
Get the changeset up for review
$ git review –d 1234
Make changes and amend commit
$ git commit -a --amend
Send updated changeset to Gerrit
$ git review

The same review contains the patchset history

Jenkins handles all merges

So, You Want To Standup
OpenStack…

Why not use a distribution?

If It’s Just For Development

Standing up OpenStack is like building your
own Linux Distribution

Q&A

Thank you

Why OpenStack matters and how you can get involved

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