fosdem'14: configuration management in an enterprise linux team

automatedHow I

myself outjob of my

@remibergsma

in an enterprise Linux Team

FOSDEM’14 - Feb 1st, 2014 - Brussels

Use case: Configuration Management

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@remibergsma

1 2Use case with results.

How to do it yourself.

Today’s story:

Remi BergsmaI am

Engineer with a passion for automation.

@remibergsma

Enterprise?Semi-government organization.

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@remibergsma

Too many of the same incidents.

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users

firefightingTo go from

prevention.to

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Git, CFEngine3and Vagrant.

The building blocks are

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Workflow

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Dev Beta PreProd Production

FeatureFeature

Git repository

Involve users,they look from a different perspective.

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Significant drop in incidents.

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users

WTF!Phase 1:

Find out what problems to fix.

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quick wins.Save time by applying

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Phase 2:

configmgmtand build your baseline.

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ImplementPhase 3:

scaleoutPhase 4:

up.and

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Phase 5:

you’re now in control.Relax,

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automate--- Someone @Google, long time ago (Thanks Kris!)

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“Every 18 months,

yourself out of your job

”

Recap1. WTF: Find out what to fix 2. Save time with quick wins 3. Setup configmgmt baseline 4. Scale out & scale up 5. Relax: full control!

Replace manual work with configmgmt

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Always version your code

use configmgmt.Whatever happens,

And please spread the word!

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Get in touch!

blog.remibergsma.com@remibergsma

Follow me on Twitter I will post the slides soon.

remi@remi.nl

Thank you!

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Credits

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Changing permissions animation: http://devopsreactions.tumblr.com/post/73295491766/changing-permissions-that-are-enforced-by-cfengine Fireman Sam Team: http://kidzpadz.co.uk/images/products/63500102343_00.jpg Fireman Sam relax: http://www.flickr.com/photos/thebigsheep/5905236905/sizes/l/ Kris Buytaert mentions the quote “Every 18 months, automate yourself out of your job” in his presentation: http://www.slideshare.net/KrisBuytaert/the-future-of-sysadmin on slide 38.

License

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