How to Generate a Mock EKS Kubeconfig in Python

import yaml
from pathlib import Path


def mock_eks_kubeconfig(cluster_name: str) -> dict:
    """Return a minimal kubeconfig dict with a mock EKS cluster entry."""
    return {
        "apiVersion": "v1",
        "kind": "Config",
        "clusters": [
            {
                "name": f"arn:aws:eks:us-east-1:123456789012:cluster/{cluster_name}",
                "cluster": {
                    "server": f"https://{cluster_name}.eks.amazonaws.com",
                    "certificate-authority-data": "LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0t",
                },
            }
        ],
        "contexts": [
            {
                "name": f"{cluster_name}@arn:aws:eks:us-east-1:123456789012:cluster/{cluster_name}",
                "context": {
                    "cluster": f"arn:aws:eks:us-east-1:123456789012:cluster/{cluster_name}",
                    "user": f"{cluster_name}@arn:aws:eks:us-east-1:123456789012:cluster/{cluster_name}",
                },
            }
        ],
        "current-context": f"{cluster_name}@arn:aws:eks:us-east-1:123456789012:cluster/{cluster_name}",
        "users": [
            {
                "name": f"{cluster_name}@arn:aws:eks:us-east-1:123456789012:cluster/{cluster_name}",
                "user": {"token": "mock-token-for-testing"},
            }
        ],
    }


if __name__ == "__main__":
    kubeconfig = mock_eks_kubeconfig("my-cluster")
    output_path = Path("mock_kubeconfig.yaml")
    with output_path.open("w") as f:
        yaml.safe_dump(kubeconfig, f, default_flow_style=False)
    print(output_path.resolve())