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Automate with configuration management

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Avatar for Gopal Ramachandran Gopal Ramachandran
June 26, 2015
Technology
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Automate with configuration management

Ignite talk delivered at Devopsdays Amsterdam 2015

Avatar for Gopal Ramachandran

Gopal Ramachandran

June 26, 2015
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Transcript

  1. Gopal Ramachandran Automate with Configuration Management Email: [email protected] Twitter: @goposky

  2. Enterprises need to make constant changes to systems

  3. Incremental changes become hard to maintain

  4. Incorrect configurations lead to stalled projects

  5. How can configuration management help? …a process of "standardizing resource

    configurations and enforcing their state across IT infrastructure in an automated yet agile manner”. - Puppet Labs

  6. Start with Version control

  7. Declare all the system settings Version Control

  8. CM tools push those settings to environments

  9. CM tools are idempotent

  10. Establish a baseline state for your environments

  11. Cheaply recreate environments

  12. Pitfall! Scripting is time consuming

  13. Popular CM tools – The Big Four

  14. -First to market -Preferred by Ops folks Popular CM tools…

    Puppet

  15. -Popular with Dev -Facebook uses it Popular CM tools… Chef

  16. -Very fast execution -Instructions are in YAML Popular CM tools…

    Salt

  17. -Plain SSH -Low entry barrier Popular CM tools… Ansible

  18. Adoption trends (stackoverflow.com discussions)

  19. Avoid a Configuration Management Bake-Off

  20. Don’t fuss over the tools, begin today Email: [email protected] Twitter:

    @goposky Thank you!