Terraform State

1.

• Snapshot of infrastructure
• In file the default file terraform.tfstate
  • json format
• Can be stored in Terraform Cloud
• Inspection and Modification
  • Shouldnt be modified
  • state remove, forget?
• Format:
  • can use with terraform output -json
  • can use with terraform show -json

2. Purpose:

• To map real world resources
  • To guarantee one-to-one mapping
• To track of metadata:
  • like dependencies
• For terraform plan to work faster
• For sharing
• State locking?
• Workspace:
  • Terraform backend?

3. The terraform_remote_state data source:

• x

4. Terraform Backend

5. Import existing resources:

6. State Locking:

• If supported by backend, Terraform will lock states for all operations that could write state
  • happens automatically on all operations that could write state
• terraform force-unlock