TerraForm.md

TerraForm

1 TerraForm Import

Import Existing resource into tfstate.

#!/bin/bash

terraform import \
  -var-file="secret.tfvars" \
  -var-file="dev.tfvars" \
  -state="terraform-dev.tfstate" \
  <tf resource name> <reourse id>

<tf resource name>: Resource type with name: ie: aws_dynamodb_table.<name> defined in .tf file.
<reourse id>: Instance id for EC2. Table name for DynamoDB

2 Terraform Destroy Single Resource

#!/bin/bash

terraform destroy \
  -var-file="secret.tfvars" \
  -var-file="prod.tfvars" \
  -state="terraform-prod.tfstate" \
  -target="<tf resource name>"

3 Terraform Remove State in tfstate(Not Destroy Resource Physically)

#!/bin/bash

terraform state rm \
  -var-file="dev.tfvars" \
  -state="terraform-dev.tfstate" \
  -backup="terraform-dev.tfstate.backup" \
  <tf resource name>

4 Terraform Conditional Create

resource "<resource_type>" "<resource name>" {
  count = "{var.conditionVar == "<condition>" ? 1 : 0}"
  ...
}