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Troubleshooting a Terraform for_each Error

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

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 30m
Published
Clock icon Jan 26, 2022

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Table of Contents

  1. Challenge

    Validate Your Code

    1. In the terminal, once logged into your instance, change to the terraform directory.
    2. In the terraform directory, edit the main.tf file and add in your ami ,subnet_id, and vpc from the resource_ids.txt file.
    3. Run the terraform fmt command.
    4. Now initialize your working directory.
    5. If initialization is successful, then validate your code.

  2. Challenge

    Fix the for_each Error

    1. After running the terraform validate command, you should get an error. Read the error and go to each line in the main.tf file where the error is.
    2. Fix each for_each error that you get.
    3. Check the formatting, then validate your code again. If the error is fixed, move on to the next step in your deployment.

  3. Challenge

    Deploy Your Resources

    1. Once you have worked past the error, successfully validated your code, and run the plan command, then deploy your resources.
    2. When you have successfully deployed your infrastructure, the lab is complete.
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