dev ops day (1)
Post on 13-Apr-2017
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David Rubin - DevOps Day Cpt 2016
Migrating at scale
@drubin87
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ME
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History
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The Stats
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Global
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In the beginning
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Physical Servers
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● Jump hosts with 100’s of gigs of ram
● Weeks to provision new servers
● Testing …… (let's clone production)
● Expensive to duplicate
● No “oops let's start over” button
Standardised hardware
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Goal
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Increasing confidence,
predictability and
consistency
Why
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● Composable
● Predictable
● Reproducible
● Versionable
● Auditable
The “able”s
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Consistency is often
better than correctness
Consistency
* https://en.wikipedia.org/wiki/Worse_is_better
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Optimise for
change
Why
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Tools???
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Beta
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TerraformThe good the bad and the ugly
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TerraformComposability
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TerraformOpinionated
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Infrastructure
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CI Pipeline
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Questions?
David Rubin
@drubin87
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