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Slide Notes

DownloadGo Live

Declarative Orchestration

Published on Nov 18, 2015

See how Openstack Heat, AWS CloudFormation, Puppet, and Ansible are changing the way large sites are run. In this talk, you'll learn why declarative tools are well-suited to rapidly-changing cloud environments, what orchestration tools are great for, and some lessons I learned helping build Heat.

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PRESENTATION OUTLINE

1.

Declarative Orchestration

And other big words from @ryan_sb
2.

Engineering @ Red Hat

Formerly Ops & Automation @ Hudl
3.

Agenda

  • Orchestration Matters
  • Declarative Wins
  • Tool Lessons
4.

Surface Area

Photo by fdecomite
5.

Consider

  • Correct level of abstraction
  • Clean system boundaries
  • Immutable infrastructure
6.

Boto, Chef, Checklists

Photo by familymwr
7.

Untitled Slide

Photo by Manitoba Historical Maps
8.

Orchestration Solves It

  • Scale
  • Complexity
  • Dependencies
9.

Who's Driving?

10.

Ansible CloudFormation
Heat
Puppet

11.

Declarative Models

Yeah. Thermostats.
Photo by C Jill Reed
12.

Untitled Slide

13.

Explicit Everything

Repeatable by Design
14.

Untitled Slide

Photo by kevin dooley
15.

Tool Building

  • Emergent features
  • Developers are people!
  • UNIX Philosophy
16.

Thanks!

Photo by alexanderdrachmann
17.

@ryan_sb
github.com/ryansb
sb@ryansb.com

Ryan Brown