Ops for Devs

Transcript

1. OPS FOR DEVS

2. None

3. OPS FOR DEVS

4. Developers like to write CODE

5. Developers hate dealing with SERVERS

6. happiness

7. Hardware happiness

8. Operating System Hardware happiness

9. Configuration Operating System Hardware happiness

10. Framework Configuration Operating System Hardware happiness

11. Business Logic Framework Configuration Operating System Hardware happiness

12. LIFE WOULD BE AMAZING IF WE ONLY HAD TO WORRY

    ABOUT BUSINESS LOGIC

13. BUT

14. WE HAVE TO CARE ABOUT SERVERS bugs in production! version

    mismatches! kernel issues! hardware failures! security holes! architecture mismatches! missing hardware instructions! virtualization bugs! performance drops! server bills! client latency! bandwidth costs! internet!!1! omg hakx!

15. how do we make servers look like code?

16. None

17. full-featured Turing-complete very well supported

18. class nginx { package { 'nginx': ensure => latest }

    service { 'nginx': ensure => running } file { '/etc/nginx/nginx.conf': ensure => present, source => 'puppet:///modules/nginx/nginx.conf', notify => Service['nginx'], } }

19. configuration becomes code

20. puppet code! app code!

21. useful for one server

22. invaluable for many servers

23. also good for zero servers

24. None

25. magical Vagrantfile

26. Vagrant.configure("2") do |config| config.vm.box = "precise64" config.vm.box_url = "http://files.vagrantup.com/precise64.box" config.vm.network

    :forwarded_port, guest: 80, host: 8080 config.vm.network :forwarded_port, guest: 443, host: 8443 config.vm.synced_folder "./", "/var/www/" config.vm.provider :virtualbox do |vb| vb.customize ["modifyvm", :id, "--memory", "2048"] end config.vm.provision :puppet do |puppet| puppet.module_path = "puppet/modules" puppet.manifests_path = "puppet" puppet.manifest_file = "wubmachine.pp" end end choose any OS use your Puppet code share folders map ports
27. None

28. puppet code environment =

29. puppet code environment = using the same using the same

30. dev/prod parity

31. need ? mysql postgres memcached redis rabbitmq cassandra nginx buzzword

    buzzword buzzword

32. capture in Puppet code

33. test with Vagrant

34. deploy with confidence

35. setting up servers becomes trivial

36. so when this happens...

37. None

38. questions? @psobot