Terraform workspaces

How can you use Terraform workspaces and how can you structure your Terraform projects better.

Transcript

1. Terraform workspaces Mattias Gees
2. Mattias Gees • Cloud Engineer @skyscrapers • Avid runner • Likes to experiment github.com/mattiasgees twitter.com/mattiasgees blog.mattiasgees.be
3. Who has used Terraform?
4. Some history!
5. Flat file
6. Modules
7. Remote config v1 terraform remote config \ -backend=s3 \ -backend-config="bucket=s3-bucket" \ -backend-config="key=project" \ -backend-config="region=us-east-1"
8. Remote config v2 terraform { required_version = ">= 0.11.2" backend "s3" { bucket = "s3-bucket" key = "project" region = "us-east-1" dynamodb_table = "terraform-state-lock-example-default" encrypt = true } }
9. Remote config v2 • local • artifactory • azurerm • consul • etcd • gcs
10. Remote config v2 • http • manta • s3 • swift • terraform enterprise
11. Workspaces
12. What are they? • First called terraform env • Introduced in 0.9.0, renamed in 0.10.0 • One codebase, multiple deployments • Works with certain backends
13. How to use it?
14. Variables Tfvars vs Maps
15. Multiple projects • Datasource for remote state • Split up logically
16. Terragrunt • Var file per workspace • Specific Terraform CLI flags • Execute on multiple projects at once • ...
17. CI/CD Plan before deploy
18. Partial configuration
19. CI/CD Tools • Testing • Kitchen-Terraform • AWSpec • Deployment • Atlantis from Hootsuite • HashiCorp Terraform Enterprise • Your own CI/CD tool
20. Future
21. Questions?