Resolving the Terraform is not finding my passed json variables Error

Discover how to fix Terraform's issue with undefined variables. Learn how to declare variables properly and make your infrastructure as code seamless and efficient.
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Troubleshooting Terraform: Handling JSON Variables

Terraform is a powerful tool that allows you to configure and manage your infrastructure as code. However, as a newcomer to Terraform, you may encounter some common issues when trying to pass configuration data from JSON files. One frequent problem is the error indicating that Terraform cannot find your passed JSON variables. This guide will help you understand this issue and guide you through the solution step-by-step.

Understanding the Problem

When using a JSON file with Terraform, you might run into the following error after running your Terraform commands:

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This error suggests that you're trying to reference a variable that hasn't been declared in your configuration files. Specifically, in your case, Terraform cannot find the machines variable in your JSON file when executing your command.

The Key Takeaway

The main takeaway here is that every variable you want to pass into your Terraform configuration must be explicitly declared within the module. This step is crucial for Terraform to recognize and utilize the variables correctly.

Solution: Declare Your Variables

Step-by-Step Instructions

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Save and exit the file: Make sure to save your changes before proceeding to run any Terraform commands again.

Re-run your Terraform commands: After declaring the new variable, go ahead and try running:

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What Happens Next?

Conclusion

Embrace the process and don't hesitate to refer back to this guide as you continue to learn and grow within the Terraform ecosystem. With practice, you'll find that managing infrastructure as code becomes second nature.

If you have further questions or run into other issues while using Terraform, remember that the community is here to help!