Terraform

Everyday plan/apply, workspaces, working with state, imports and targeted runs.

Everyday workflow

Initialize providers and backend

terraform init

Format and validate

terraform fmt -recursive && terraform validate

Show planned changes

terraform plan

Save a plan and apply exactly it

terraform plan -out=tfplan && terraform apply tfplan

Plan with a variables file

terraform plan -var-file=<env>.tfvars

Show outputs

terraform output

Destroy everything (with confirmation)

terraform destroy

List workspaces

terraform workspace list

Create and switch to a workspace

terraform workspace new <workspace>

Switch workspace

terraform workspace select <workspace>

List resources in state

terraform state list

Show a resource from state

terraform state show '<resource>'

Rename or move a resource in stateadvanced

terraform state mv '<resource>' '<new_resource>'

In Terraform 1.1+ prefer a moved {} block in code.

Forget a resource without destroying itadvanced

terraform state rm '<resource>'

Import an existing resourceadvanced

terraform import '<resource>' <cloud_id>

Release a stuck state lockadvanced

terraform force-unlock <lock_id>

Plan a single resourceadvanced

terraform plan -target='<resource>'

Recreate a resourceadvanced

terraform apply -replace='<resource>'

Sync state with reality without changing infraadvanced

terraform apply -refresh-only

Upgrade providers within constraintsadvanced

terraform init -upgrade

Detailed logsadvanced

TF_LOG=DEBUG terraform plan