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Terraform Import Block: Import Existing Resources to Terraform
In the world of Infrastructure as Code (IaC), Terraform has become one of the most widely used tools for automating infrastructure management. One of its key features is the ability to import existing resources into its configuration, allowing you to bring pre-existing infrastructure under Terraform’s management. This is essential when managing legacy infrastructure or integrating resources not initially created by Terraform.
In this article, we’ll dive into the Terraform import block, which simplifies the import process. We’ll cover the basics of importing resources, show examples with Azure Resource Groups, and explain how the import block works.
What is Terraform Import?
The terraform import
command allows you to bring existing infrastructure resources into Terraform's state file. When you create resources outside of Terraform (e.g., manually or through other tools), Terraform does not initially manage them. The import command makes Terraform aware of these resources and allows it to start managing them, including future modifications.
However, it’s important to note that the terraform import
command only updates the state file to reflect the existing resources. It does not automatically generate configuration code for these resources. You…