Solving the URI Parameter Error in Azure API Management with Terraform

Learn how to resolve the validation error in Azure API Management when dealing with URI parameters using Terraform. Follow our step-by-step guide to ensure your API operations are correctly configured.
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This video is based on the question https://stackoverflow.com/q/72828914/ asked by the user 'RogerIsDead' ( https://stackoverflow.com/u/6128517/ ) and on the answer https://stackoverflow.com/a/72862908/ provided by the user 'RogerIsDead' ( https://stackoverflow.com/u/6128517/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Solving the URI Parameter Error in Azure API Management with Terraform

When working with Azure API Management (APIM) and Terraform, you may encounter various errors related to API operation configuration. One such common issue arises when importing an API operation with URI parameters, where validation errors can leave you scratching your head. In this post, we’ll dissect the problem and provide a clear solution to ensure that your API operations are set up correctly.

Understanding the Problem

You’ve put together a Terraform configuration to import an API operation defined by a Swagger (OpenAPI) specification. However, you receive an error message indicating a ValidationError involving the URI parameters. The specific error reads:

[[See Video to Reveal this Text or Code Snippet]]

This error typically stems from misalignment between the parameters defined in your OpenAPI spec and those in your Terraform configuration. Let’s delve into how to resolve this issue.

The Terraform Snippet

Here’s a simplified version of the Terraform code snippet that led to the problem:

[[See Video to Reveal this Text or Code Snippet]]

Identifying the Missing Link

The crucial aspect that needs attention is the template parameter. While you've defined the url_template to include the path parameter {abn}, you also need to explicitly declare this parameter in your Terraform configuration.

To fix this, you'll need to add a template_parameter block for your URI parameter. This ensures that both the OpenAPI specification and the Terraform resource match perfectly.

The Solution: Updating the Code

Here’s how you can correct your Terraform resource configuration:

[[See Video to Reveal this Text or Code Snippet]]

Key Takeaways

URI Parameters Must Match: Always declare all URI parameters in both your OpenAPI specification and in your Terraform resource using the template_parameter block.

Validation Matters: While query parameters may not always require explicit definitions, URI parameters are strict about validation.

Check Your Configuration: After modifying your configuration, re-run your Terraform commands to apply the changes and remove the error.

Conclusion

Working with Azure API Management and Terraform can lead to complex situations, especially when defining API operations with URI parameters. By ensuring that your parameter definitions are properly aligned between your Terraform script and the OpenAPI specification, you can eliminate validation errors and maintain smooth API deployment.

If you face any challenges during this process, feel free to reach out for more help. Happy coding!

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