kubectl-set-cluster

kubectl-set-cluster() {
  local cluster=""
  local options=""
  local red='\033[0;31m'
  local nc='\033[0m'

  if [ $# -gt 0 ]; then
    cluster=$1
  else
    for context in $(kubectl config get-contexts | tr -d '*' | tail -n +2 | awk '{print $1}' | sort); do
      options="${options} ${context} ''"
    done
    cluster=$(dialog --stdout --menu 'Choose Kubernetes Cluster' 0 0 0 ${options})
    clear
  fi

  kubectl config use-context $cluster >/dev/null 2>&1
  if [ $? -ne 0 ]; then
    echo -e "${red}cluster ${cluster} not found${nc}"
  else    
    echo "cluster ${cluster} set"
  fi

}