DevOoops Mastery

How to move from DevOoops to DevOps

Transcript

1. DevOoops Mastery Bryan Liles
2. DevOoops Mastery @bryanl
3. DevOops Mastery
4. More Mastery less oops
5. Accidental successes
6. “It works on my machine”
7. Promise Theory
8. Promise Theory • Model of voluntary cooperation between individual, autonomous actors, or agents who publish their intentions to one another in a form of promises. • Dev makes promises to ops • Ops make promises to dev
9. Automation
10. OOPS: to release our software, it only requires three CLI commands, a web page visit, an email to Santa, and an act of <insert deity>
11. The Mastery
12. once, twice, automate
13. use Vagrant?
14. use Vagrant with DigitalOcean?
15. docker-machine
16. docker-machine docker compose
17. docker-machine docker compose docker swarm
18. Contest: What does tr(1) do?
19. Configuration Management
20. OOPS: We configure servers with this set of scripts. You have to run this one before that one, and this other one only once.
21. The Mastery
22. We Chef
23. You might Ansible or Puppet or Salt or CFEngine or custom
24. but should you custom?
25. yeah, you test this too google “chef test kitchen”
26. composition over comprehensiveness
27. Contest: On a modern Linux distribution, how can you find the number of processors?
28. Continuous Integration
29. OOPS: Why spend time and money on another server when it works on my workstation?
30. The Mastery
31. you might Jenkins
32. I Travis’d in the past
33. We used Drone
34. I wish we Jenkins’d
35. CI produces artifacts
36. Only deploy the artifacts
37. Contest: What year did Linux come out?
38. Deployment
39. OOPS: We have to deploy from a certain server and we can only deploy on odd Thursdays or when Jamaal is in the office.
40. The Mastery
41. What do you mean you don’t test your deploys?
42. capistrano or fabric, take your pick
43. or deploy with chef?
44. or roll your own …
45. … but don’t do that
46. or go advanced mode have your CI build docker images
47. or go super advanced mode deploy those docker images to mesos
48. PS…… Digital Ocean Droplets start at $5/month
49. or go SUPER DUPER ADVANCED MODE use packer to build machine images with your app already installed and configured and use the cloud like it wants to used.
50. Contest: I have a Ruby array: [{“foo_id"=>"1"}, {"bar_id"=>"2"}, {“bar_id"=>"3"}] How do I convert it to: [2, 4, 6]
51. Teams Over Individuals
52. OOPS: They are Ops and we are Engineering. We write, they keep the servers up. The two shall not cross paths.
53. The Mastery
54. Dev VS Ops
55. Engineer VS SRE
56. chat all the things
57. f(devoops) -> devops
58. Automation
59. Configuration Management
60. Continuous Integration
61. Deployment
62. Teams over Individuals
63. we suck
64. we are lazy
65. we can’t do the a task the same way twice
66. we do things differently the second time
67. Thanks! @bryanl @digitalocean