TF-004 State manipulation Practice Question
After running `terraform state mv` to rename a resource, the resource's state binding is lost and the resource cannot be managed. Which command should be run to restore the state binding?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
terraform import
After a failed `terraform state mv`, the resource mapping in the state may become corrupted or lost. To restore the binding, use `terraform import` to re-import the existing resource into the state. Option E, `terraform import`, is correct. Option D, `terraform refresh`, updates the state to match real infrastructure but does not restore a missing resource binding.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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terraform state push
Why it's wrong here
terraform state push is a command used to manually upload a local Terraform state file to a configured remote backend. This operation is primarily for state file management and synchronization, ensuring the remote backend has the most current state. It has no functionality to re-establish a binding between a resource definition in configuration and an existing, potentially misaligned, resource entry in the state file after a terraform state mv operation.
- ✗
terraform state show
Why it's wrong here
terraform state show is an inspection command that outputs the current state of resources as recorded in the Terraform state file. It allows users to view the attributes and details of managed resources, providing visibility into Terraform's understanding of the infrastructure. This command is read-only and performs no operations that could re-establish a broken binding or modify the state file's relationship with remote resources.
- ✗
terraform state rm
Why it's wrong here
terraform state rm is used to remove one or more resource instances from the Terraform state file. This action effectively tells Terraform to stop managing the specified resource, making it an unmanaged object. After renaming a resource with terraform state mv, using terraform state rm would further break the connection by deleting the state entry, rather than re-establishing the binding to the underlying infrastructure.
- ✗
terraform refresh
Why it's wrong here
terraform refresh is designed to reconcile the Terraform state file with the actual attributes of existing remote objects without making any changes to the infrastructure. While it updates the state, it does not re-establish a broken binding where Terraform's internal identifier for a resource no longer correctly points to the live infrastructure. It cannot "find" a resource that terraform state mv might have inadvertently disconnected from its actual remote ID.
- ✓
terraform import
Why this is correct
After terraform state mv renames a resource in the state, the provider might lose its ability to correctly identify the corresponding remote object if the underlying resource ID or its lookup mechanism changes. terraform import allows you to explicitly tell Terraform to bring an existing remote resource, identified by its actual cloud provider ID, under management for a specific resource block in your configuration. This effectively re-establishes the binding by creating a new, correct state entry that links the configuration to the live infrastructure.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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