assume role for kubernetes

gistfile1.sh

;; used as    assume_aws production

regenerate_kubeconfig() {
  echo "Configuring for ${1} environment\n"
  if [ "${1}" = "production" ]; then
    echo "Selecting production\n"
    SRC_CLUSTER="stable-20200129"
  else 
    echo "Selecting sandbox\n"
    SRC_CLUSTER="unstable-20200128"
  fi
  echo "Updating kubeconfig for ${SRC_CLUSTER}. Stored in /Users/abel/.eks/${1}"
  aws eks --region eu-west-1 update-kubeconfig --name ${SRC_CLUSTER} --kubeconfig /Users/abel/.eks/${1}
}

assume_aws() {
  unset AWS_ACCESS_KEY_ID
  unset AWS_SECRET_ACCESS_KEY
  unset AWS_SESSION_TOKEN
  unset AWS_SECURITY_TOKEN
  unset AWS_DEFAULT_REGION
  unset AWS_REGION
  unset AWS_PROFILE
  unset KUBECONFIG
  mortadelo assume --alias "${1}" --mfa -d 28800
  export AWS_PROFILE="${1}"
  regenerate_kubeconfig "${1}"
  echo "Switching to kubeconfig /Users/abel/.eks/${1}\n"
  alias kubectl="kubectl --kubeconfig=/Users/abel/.eks/${1}"
  alias helm3="helm3 --kubeconfig=/Users/abel/.eks/${1}"
  kubectl config set-context --current --namespace=${1}
}