From Dev To Production Sam Newman QCon London 2010 Wednesday, 10 - - PowerPoint PPT Presentation

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From Dev To Production Sam Newman QCon London 2010 Wednesday, 10 March 2010 Wednesday, 10 March 2010 Wednesday, 10 March 2010 Wednesday, 10 March 2010 Wednesday, 10 March 2010 Wednesday, 10 March 2010 Wednesday, 10 March 2010 Wednesday, 10

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From Dev To Production

Sam Newman QCon London 2010

Wednesday, 10 March 2010

SLIDE 2 Wednesday, 10 March 2010

SLIDE 3 Wednesday, 10 March 2010

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SLIDE 5 Wednesday, 10 March 2010

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Development Workstation Production

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Development Workstation Production

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Development Workstation Production

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Building

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Configuration Building

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Configuration Building Deployment

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Automated Testing Configuration Building Deployment

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Automated Testing Configuration Building Deployment Monitoring

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Logging Automated Testing Configuration Building Deployment Monitoring

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Logging Automated Testing Configuration Building Deployment Monitoring Disasters!

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1. Building

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Development Workstation Production

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Development Workstation Production CI

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Development Workstation Production CI QA

Build Once, Deploy Everywhere

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Development Workstation Production CI QA

Don’t Let Your Build & Deployment Process Become a Series Of Silos

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http://www.youtube.com/watch?v=jL13eOXmVjY

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2. Configuration

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Separate Configuration From Binaries

Development Workstation Production CI QA

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Separate Configuration From Binaries

Development Workstation Production CI QA Configuration Source

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Configuration Source Configuration Source

Separate Configuration From Binaries

Development Workstation Production CI QA

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Expose Your Config

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Validate Your Config

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Fail Fast If It’s Wrong

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3. Deployment

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Development Workstation Production CI QA

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Development Workstation Production CI QA

More Production Like

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Development Workstation Production CI QA

More Production Like Faster Feedback

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Understand How To Balance Your Environments

Development Workstation Production CI QA

More Production Like Faster Feedback

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Development Workstation Production CI QA

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Use The Same Deployment Mechanism Everywhere

Development Workstation Production CI QA

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4. Automated Testing

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http://www.flickr.com/photos/eole/380316678/

Automated Tests Can Help You Go Fast

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Treat Your Build Like A Safety Net, Not A Trampoline

http://www.flickr.com/photos/lintmachine/2937337584/

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5. Monitoring

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http://www.youtube.com/watch?v=7yr7odFUARg

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http://www.flickr.com/photos/jmtimages/2288684716/

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Work Out What The 3am Guy Needs To Know

http://www.flickr.com/photos/kromanfromcrs/293944959/

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Hook Your App Up To Existing Monitoring Systems

http://www.flickr.com/photos/poper/71846409/

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Mail Server App Server Reporting DB SMS Gateway VPN Coffee Machine Mobile Site

0 : 1

Datacentre Disribution

Most Recent Incidents

RESOLVED: Network Outage in

DC1

RESOLVED: Coffee Machine out of

25 50 75 100 11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm Requests Per Second Requests Per Second

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6. Logging

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http://www.flickr.com/photos/loty/326761635/

Logging Is A User Interface

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http://www.flickr.com/photos/hmtreasury/3943512929/

Agree On A Logging Policy

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http://www.flickr.com/photos/ollesvensson/3451663493/

Allow Reconfiguration Of Logging On The Fly

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7. Disasters

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Sh*t Happens

http://www.flickr.com/photos/cheesy42/4157090921/

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http://www.flickr.com/photos/ryangarrett/1187523445/

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http://www.flickr.com/photos/poper/71846409/

Work together on root cause analysis

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“Regardless of what we discover, we understand and truly believe that everyone did the best job they could, given what they knew at the time, their skills and abilities, the resources available, and the situation at hand.”

Retrospective Prime Directive

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http://www.flickr.com/photos/ideaconstructor/2964797754/

...and there are lots of ways to say ‘Sorry’

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http://www.flickr.com/photos/ljb/16086495/

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http://www.flickr.com/photos/quintanaroo/489358037/

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http://www.flickr.com/photos/aubreyarenas/3758605660/

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Finally...

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http://www.flickr.com/photos/ul_marga/1937709206/

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http://www.flickr.com/photos/furyksx/3149654560/

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The Result?

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http://code.flickr.com/

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http://www.flickr.com/photos/ogil/1507585665/

Wednesday, 10 March 2010