Terraform output

terraform output command is used to extract the value of an output variable from the state file.

• https://www.terraform.io/docs/cli/commands/output.html

terraform output (--help)
terraform output -json
terraform output -raw

Examples

terraform output
kubernetes_cluster_host = "35.225.206.41"
kubernetes_cluster_name = "cluster-name-gke"
project_id = "your-project"
region = "us-central1"

terraform output your_var

terraform output -raw region
us-east-2%

terraform output -raw region
us-east-1%

terraform output -raw cluster_name
education-eks-Ry318DCv%

terraform output -raw region
╷
│ Warning: No outputs found
│
│ The state file either has no outputs defined, or all the defined outputs are
│ empty. Please define an output in your configuration with the `output`
│ keyword and run `terraform refresh` for it to become available. If you are
│ using interpolation, please verify the interpolated value is not empty. You
│ can use the `terraform console` command to assist.
╵

• aws eks --region $(terraform output -raw region) update-kubeconfig --name $(terraform output -raw cluster_name)

Related commands

• terraform apply
• outputs.tf
• terraform show
• terraform state pull
• terragrunt output

See also

• terraform output [ -raw | -json | --help ]
• terraform state [ list ]