TOKEN

aws eks get-token --cluster-name

 aws sts get-session-token

rancher login https://<SERVER_URL> --token <BEARER_TOKEN>

Bearer token
PRIVATE-TOKEN 
curl $APISERVER/api --header "Authorization: Bearer $TOKEN" --insecure

aws eks get-token --cluster-name education-eks-rQbSpHq6 --output text | grep STATUS |  awk '{print $NF}'

See also

• aws eks get-token, aws eks update-kubeconfig