Pulumi InvalidResourceName error encountered during Pulumi deployment.

The resource name contains invalid characters or exceeds length limits.

Understanding Pulumi and Its Purpose

Pulumi is an open-source Infrastructure as Code (IaC) tool that allows developers to create, deploy, and manage cloud infrastructure using familiar programming languages such as JavaScript, TypeScript, Python, Go, and C#. It provides a platform for managing cloud resources across multiple providers like AWS, Azure, Google Cloud, and Kubernetes, enabling developers to define their infrastructure using code, which can be versioned, tested, and reused.

Identifying the Symptom: InvalidResourceName Error

When working with Pulumi, you might encounter an error message similar to InvalidResourceName. This error typically occurs during the deployment phase and indicates that a resource name specified in your Pulumi program does not meet the required naming conventions.

Common Error Message

The error message might look like this:

Error: InvalidResourceName: Resource name 'my_invalid_resource_name!' contains invalid characters or exceeds length limits.

Understanding the InvalidResourceName Issue

The InvalidResourceName error arises when a resource name in your Pulumi program contains characters that are not allowed by the cloud provider or exceeds the maximum length allowed for resource names. Each cloud provider has specific naming conventions and restrictions that must be adhered to.

Common Causes

  • Using special characters like !, @, or spaces in resource names.
  • Exceeding the maximum length limit for resource names, which varies by provider.
  • Using uppercase letters when only lowercase letters are allowed.

Steps to Fix the InvalidResourceName Issue

To resolve the InvalidResourceName error, follow these steps:

Step 1: Review Naming Conventions

Check the naming conventions for the specific cloud provider you are using. Here are some links to the naming rules for popular providers:

Step 2: Update Resource Names

Modify the resource names in your Pulumi program to comply with the provider's naming conventions. Ensure that:

  • Only allowed characters are used (typically lowercase letters, numbers, and hyphens).
  • The name length is within the allowed limit.
  • Names are unique within the required scope.

Step 3: Redeploy Your Pulumi Program

After updating the resource names, redeploy your Pulumi program using the following command:

pulumi up

This command will apply the changes and attempt to create the resources with the corrected names.

Conclusion

By understanding and adhering to the naming conventions of your cloud provider, you can avoid the InvalidResourceName error in Pulumi. Always refer to the provider's documentation for the most accurate and up-to-date information on naming rules. For more information on Pulumi, visit the official Pulumi documentation.

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