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David Rubin - DevOps Day Cpt 2016

Migrating at scale

@drubin87

2

ME

3

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