Devops Primer

Just a brief primer on the the rationale behind devops with some links and other stuff.

Transcript

1. DevOps Primer What is the landscape around devops
2. DevOps - What The use of development methods and tools to perform operations tasks
3. These requirements aren’t just for codebases anymore, they’re for entire IT departments Stable, Flexible, Extensible, Maintainable, Scalable
4. And even entire organizations
5. DevOps - Why
6. “Bugs in the production environment were especially hard to fix. Often the bug would occur on only one of the twenty load-balanced servers, so just trying to reproduce the bug was hugely time consuming. They couldn’t scale. Customers were leaving. Morale was low and the best people on the teams were quitting. “ - Matt Jaynes - Taste Test: Puppet, Chef, Ansible, Salt
7. Ops is not stable if after a server reboots, it loses important configuration that somebody previously inserted in an ad hoc way Ops is not stable if different servers are maintained inconsistently Stable
8. Flexible Services need to be able to handle change without a major intervention every time Moving a service from one class of machines to another should be straightforward
9. Extensible Apache server needs a new module - should be simple 5 Apache servers need a new module - should be easy
10. Maintainable Apache 2.4.6 needs to be updated to 2.4.7 - this shouldn’t require much work Doing this on 5 machines shouldn’t require much work The risk should be higher waiting to do these upgrades than doing them regularly
11. Scalable Adding a new machine of a class should be a normal process that doesn’t require much risk Removing a machine should be a normal process that doesn’t require much risk
12. DevOps - Who
13. http://devopsweekly.com/ http://dev2ops.org/ http://blog.devopsguys.com/2013/12/19/the- top-ten-devops-operational-requirements/ http://devopscafe.org/ http://codeascraft.com/ Sites
14. And for fun http://devopsreactions.tumblr.com/
15. DevOps - Where Everywhere but Africa
16. Tokyo Tel Aviv Atlanta New York Portland Vancouver Barcelona Devops Days http://devopsdays.org London Bangalore Downunder Mountainview Amsterdam Berlin Austin Paris London New Zealand Rome Mountain View Gurgaon Manila Goteborg Melbourne Boston Sao Paulo Hamburg Sydney Ghent
17. DevOps - When NOW! Seriously, continuous deployment, no silos between dev and ops, being agile in your deployment - these are all de rigueur
18. Tools Ruby Backed: Puppet (Puppet Labs) Chef (OpsCode) Python Backed: Salt (SaltStack) Ansible (Ansible Works)
19. Adam Nelson adam@kili.io @varud