How to address EKS DescribeAddon permission error

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Environment

SUSE Rancher 2.5 or higher
EKS Downstream cluster

Situation

Our list of permissions needed to create or manage an EKS downstream cluster are the minimum for achieving this [1].

Resolution

You will need to add the eks:DescribeAddon IAM permission to the account credentials used for managing the cluster [2]

Cause

If after the cluster creation, you add any EKS add-ons and you receive an error similar to the below one during an operation from Rancher

Cannot access EKS, check cloud credential: error checking if ebs csi driver addon is installed: operation error EKS: DescribeAddon, https response error StatusCode: 403, RequestID: 7fbc2f4e-rfeb-499b-5d0c-85e0401c6393, api error AccessDeniedException: User is not authorized to perform this action

Additional Information

References:
[1]https://ranchermanager.docs.rancher.com/v2.9/how-to-guides/new-user-guides/kubernetes-clusters-in-rancher-setup/set-up-clusters-from-hosted-kubernetes-providers/eks#create-the-eks-cluster

[2]https://docs.aws.amazon.com/cli/latest/reference/eks/describe-addon.html

Disclaimer

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