IaC with terraform

En esta ocasión Marcos nos comparte su experiencia utilizando terraform como principal herramienta en la definición de infraestructura como código.

Transcript

1. IaC with Terraform
2. 2 … @me Marcos Nils Lilljedahl (@marcosnils) Head of Infra @ iúnigo, OS Developer, consultant & trainer - Ing. en sistemas / MoIT - OSS & Golang - Docker Captain - Container junkie - Active projects: Jedis, Vault, Goblin, dynamodb-filters, play-with-docker (and probably more) - crossfit, asado, mate, sailing, drinks & food.
3. 3 La mejor aseguradora de la Argentina https://www.meetup.com/es-ES/10x-Buenos-Aires/
5. 5 … Cloud vs on-prem
6. 6 … Entering cloud
7. 7 … Cloud automation 101
8. 8 … Cloud automation 101 80% Outages caused by changes
9. 9 … Dev practices
10. 10 … Tools
11. 11 … Tools
12. 12 … Providers
13. 13 … Hello world module
14. 14 … Variables
15. 15 … Handling Failure
16. 16 … Failure Break resources into logical entities
17. 17 … Importing
18. 18 … Modules - DRY
19. 19 … Modules
20. 20 … Caveats - Weird errors - Provider issues - No step through execution - Rapid Change - State Corruption
21. 21 … Lifecycle https://www.terraform.io/docs/enterprise/guides/recommended-practices/index.html 1. Local 2. Multi Environment 3. Workflow 4. Collaboration across teams 5. Organization
22. 22 … General BP • Review plan before apply • Save plan to file and apply from it • Terraform fmt • Enable bucket versioning (s3) • Using --target • Keep too many resources in one dir • Keep secrets unencrypted • Build unnecesary modules
23. 23 … Remote state datasource
24. 24 … null_resource for validations
25. 25 … for expressions
26. 26 … generalized splat
27. 27 … Useful • https://www.terraform.io/docs/index.html • https://learn.hashicorp.com/terraform/ • https://github.com/runatlantis/atlantis • https://registry.terraform.io/
28. 28 Gracias!