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Helm Summit - 2018

Avatar for Nicole Hubbard Nicole Hubbard
February 21, 2018
Technology
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Helm Summit - 2018

Slides from Helm Summit 2018

Avatar for Nicole Hubbard

Nicole Hubbard

February 21, 2018

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Transcript

  1. Lostrómos A Helm Operator

  2. Nicole Hubbard @nicolerenee3810 Architect WP Engine

  3. @nicolerenee3810 WP Engine

  4. @nicolerenee3810 WordPress Digital Experience Platform

  5. @nicolerenee3810 300,000+ WordPress Installations

  6. @nicolerenee3810 Starting Infrastructure Everything on a single VM NGINX Caching

    layer PHP Processing Storage MySQL Virtual Machine

  7. @nicolerenee3810 6,000+ VMs

  8. @nicolerenee3810 That doesn’t scale

  9. @nicolerenee3810 Containers Docker Kubernetes

  10. @nicolerenee3810 That’s how you scale, right?

  11. @nicolerenee3810 Where do we start?

  12. @nicolerenee3810 Step 1 Move PHP Processing off the VM and

    into K8s NGINX Caching layer PHP Processing Storage MySQL Virtual Machine K8s PHP PHP PHP

  13. @nicolerenee3810 Custom PHP Application Server

  14. @nicolerenee3810 Golang

  15. @nicolerenee3810 Runs PHP-FPM workers in individual namespace jails

  16. @nicolerenee3810 Just in time mounts site content into worker jail

  17. @nicolerenee3810 Can process requests for an entire VM instead of

    a single WordPress installation

  18. @nicolerenee3810 Storage Domain = VM

  19. @nicolerenee3810 App Server per storage domain

  20. @nicolerenee3810 Deploying

  21. @nicolerenee3810 Jenkins runs Helm

  22. @nicolerenee3810 6,000 deploys for the same Helm chart...

  23. @nicolerenee3810 ...in Jenkins...

  24. @nicolerenee3810 ...that’s 6,000 values files

  25. @nicolerenee3810

  26. @nicolerenee3810 Lostrómos

  27. @nicolerenee3810 Runs in K8s

  28. @nicolerenee3810 Reconciles our PHP Application Server Deployments

  29. @nicolerenee3810 How?

  30. @nicolerenee3810 K8s Custom Resources

  31. @nicolerenee3810

  32. @nicolerenee3810

  33. @nicolerenee3810 Watches a custom resource

  34. @nicolerenee3810 CR Created = Helm release created

  35. @nicolerenee3810 CR Updated = Helm release updated

  36. @nicolerenee3810 CR Deleted = Helm release purged

  37. @nicolerenee3810 Reconciliation Loop

  38. @nicolerenee3810 Demo

  39. @nicolerenee3810 Open Source on GitHub github.com/wpengine/lostromos

  40. @nicolerenee3810 Future

  41. @nicolerenee3810 Tiller-less Thanks CoreOS team

  42. @nicolerenee3810 Watching any K8s objects

  43. @nicolerenee3810 Additional deployment methods

  44. @nicolerenee3810 PRs happily accepted

  45. @nicolerenee3810 Questions? github.com/wpengine/lostromos