devops for a 10-year-old (codebase)

DevOps for a 10-Year-Old(Codebase)

Steve Neely

DevOps: API Management and Application Development

CA Technologies

Director of Engineering

DO3T22S

@stenvoon

#CAWorld

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DevOps for a 10-Year-Old (Codebase)

In this presentation Steve will share with you how we transformed the Rally platform from a monolithic, three-tier SaaS architecture to a continuously deployed SOA system, piloting DevOps and Agile practices, while mapping and charting progress with Rally products and agile expertise.

Steve Neely

CA Technologies

Director of Engineering

“Cool Peppercorn sunshine” by Carol VanHook, https://www.flickr.com/photos/librariesrock/15233401244/ CC BY 2.0

Agile salt DevOps pepper


DevOps

Image Credit: NASA/JPL-Caltech

“Banksy in Boston: Follow Your Dreams (Cancelled)” by Joe Wolf, https://www.flickr.com/photos/joebehr/4671369534/ CC BY-ND 2.0


Forcing function

…for engineering excellence

Agile

Build the right things…

right

DevOps

Get those things out…

right

“Army Racing pit stop” by The U.S. Army, https://www.flickr.com/photos/soldiersmediacenter/3855375117/ CC BY 2.0

“Win-Win Situation” by Gary Knight, https://www.flickr.com/photos/garryknight/4876209724/ CC BY 2.0

“Dung beetle @ work” by Andi Gentsch, https://www.flickr.com/photos/elgentscho/6883404352/ CC BY-SA 2.0


TO PRODUCTION

iStock.com/duckycards


Why?

An advanced level of

engineering discipline

is required to support

continuous delivery.


It’s a Journey

Even if you don’t get to

continuous deployment,

every step is an

improvement from where

you are now.

Value Stream Maps

By Wikimedia_Stickies_Officey_Photos-11.jpg: Victorgrigas derivative work: KatjaUllrich (WMDE) CC BY-SA 3.0


Focus on

Build– Fast build times, build once, continuous integration

Test– Speedy test execution, reliable results (flaky tests)

Deployment– Automated, remove human intervention (error)


Tests Must Be Fast


Parallelized Pipeline


Don’t Fly Blind

Monitoring– Obsessive

– Everyone does this

Alerting– Define escalation policy

– What happens if you put devs on call?


Sanity Check

We can deploy whenever we want

– What features are we deploying?

Build the right things, right…

– Agile and Lean thinking


Agile


“Knock, Knock, You Know” by studio tdes, https://www.flickr.com/photos/thedailyenglishshow/13595489163/ CC BY-CC 2.0

It’s Just Scrum, right?

“Scrum to England” by Eoin Gardiner, https://www.flickr.com/photos/18091975@N00/3654141771/ CC BY 2.0

“Kanban (individuell)” by Oliver Tacke, https://www.flickr.com/photos/otacke/10034579444/in/ CC BY 2.0


Tracking Code from Concept to Deployment


Platform Agnostic

https://commons.wikimedia.org/wiki/File:Wikimedia_Foundation_Servers-8055_17.jpg (CC BY-SA 3.0)https://wiki.jenkins-ci.org/display/JENKINS/Logo (CC BY-SA 3.0)

https://git-scm.com/downloads/logos (CC BY-SA 3.0)


Remember

Applying DevOps principles and

Agile practices to old codebases

is a forcing function to

accelerate engineering excellence


Your Action Item

Set a target of deploying

EVERY DAY

Image Credit: NASA/JHUAPL/SwRI


Q & A


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For More Information

To learn more, please visit:

http://cainc.to/Nv2VOe

CA World ’15

http://cainc.to/Nv2VOe

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devops for a 10-year-old (codebase)

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