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Managing Terraform State

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Working with Backends

Managing Terraform State

1 hour 5 Credits

This lab was developed with our partner, Hashicorp. Your personal information may be shared with Hashicorp, the lab sponsor, if you have opted-in to receive product updates, announcements, and offers in your Account Profile.

GSP752

Google Cloud Self-Paced Labs

Overview

Terraform must store state about your managed infrastructure and configuration. This state is used by Terraform to map real-world resources to your configuration, keep track of metadata, and improve performance for large infrastructures.

This state is stored by default in a local file named terraform.tfstate, but it can also be stored remotely, which works better in a team environment.

Terraform uses this local state to create plans and make changes to your infrastructure. Before any operation, Terraform does a refresh to update the state with the real infrastructure.

The primary purpose of Terraform state is to store bindings between objects in a remote system and resource instances declared in your configuration. When Terraform creates a remote object in response to a change of configuration, it will record the identity of that remote object against a particular resource instance and then potentially update or delete that object in response to future configuration changes.

Objectives

In this lab, you will learn how to perform the following tasks:

  • Create a local backend.

  • Create a Cloud Storage backend.

  • Refresh your Terraform state.

  • Import a Terraform configuration.

  • Manage the imported configuration with Terraform.

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