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Troubleshooting a Terraform Variable Interpolation Error

Hey there, Gurus! Welcome to the lab! This lab will demonstrate how to troubleshoot a Terraform variable interpolation error. We will attempt to go through the different stages of deployment to try and deploy our configuration and work through the interpolation error until we have successfully deployed our resources.

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Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon Jan 26, 2022

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Table of Contents

  1. Challenge

    Format Your Terraform Configurations

    1. In the terminal, once logged into your instance, change to the terraform directory.
    2. In the terraform directory, edit the file and add in your ami ,subnet_id, and vpc from the resource_ids.txt file.
    3. Run the terraform fmt command.
  2. Challenge

    Fix the Interpolation Error

    1. After running the terraform fmt command, you should get an error. Read the error and go to the line in the file where the error is.
    2. Fix the syntax error for the tag name variable.
    3. Run terraform fmt command. If the error is fixed, then move on to the next stage in your deployment until all of your resources are deployed successfully.
    4. Once your resources are deployed without any errors, the lab is then complete.

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