`irsa_config` is underused when using the `kubernetes-addons` module

[igorbrites]

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What is the outcome that you are trying to reach?

I need to pass the same Docker Hub Credentials to all the namespaces created by the kubernetes-addons module to prevent that Docker Hub throttling error. Still, the root module does not pass the irsa_config variable (that has the kubernetes_svc_image_pull_secrets option) to each addon.

Describe the solution you would like

A way to pass that kubernetes_svc_image_pull_secrets to each addon from the kubernetes-addon module.

Describe alternatives you have considered

I can think in two ways:

• Create variables like <addon>_irsa_config, just like the <addon>_helm_config ones, but we'll need to create all of them;
• Allow passing irsa_config inside the <addon>_helm_config, though it's not a helm config.

Additional context

I created a branch with the second option but didn't create the PR yet because I want to know what you think first.

Edit: Created the Pull Request: https://github.com/aws-ia/terraform-aws-eks-blueprints/pull/1240