DevOps Arthur Clune University of York Its not the 90s any more - - PowerPoint PPT Presentation

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Dec 23, 2022 233 likes •567 views

DevOps Arthur Clune University of York Its not the 90s any more Infrastructure practices havent changed enough . How fast can you click? The CLI doesnt scale -- Greg Ferro 2500:1 Server:admin ratio for cloud providers

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DevOps

Arthur Clune University of York

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It’s not the ‘90s any more

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Infrastructure practices haven’t changed

enough….

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How fast can you click?

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“The CLI doesn’t scale”

- Greg Ferro

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2500:1

Server:admin ratio for cloud providers (James Hamilton)

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Agile, unit tests and all that jazz

Modern software development practices

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Key features of modern software development

Agile projects
Revision

Control

Tests
Continuous

integration

A/B testing

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#DevOps

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Requirements for modern infrastructure management

Declarative
Idempotent
Testable
Code/Text

based

Open

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Master

Client Client Client Client Client

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eos_config: section='router bgp {{ bgp.bgp_as }}' command='bgp listen range {{ item.name }} peer-group {{ item.peer_group }} remote-as {{ item.remote_as }}' ..... when: bgp is defined and bgp.enable and bgp.listeners with_items: bgp.listeners | default([])

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Simples?

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Infracode in Production

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Some people, when confronted with a problem, think “I know, I’ll code”. Now they have two problems.

With apologies to JWZ

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York

First

production Puppet commit 2008

Deliver SITS

with Puppet

Install NSX via

PowerShell

Investigating

Ansible

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LoC

75,023 Puppet

244,094 Systems 561,960 Networks > 5,000,000 Dev

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Ops now has the issues dev has always had: code rot, dependencies, libraries...

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Good problems to have!

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Solutions: Microservices, 2-pizza, code review, tests, anti-fragility …..

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Management, ITIL and DevOps

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DevOps is cultural change

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Infracode enables change, repeatability and velocity

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Tests are your CAB Monitoring is QA

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Q: What version is your infrastructure?

ce77b04bf92b88bb2298c356ddbee6579edac0d1

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Learn Python Learn Ansible

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Thanks!

arthur.clune@york.ac.uk @fatrat