fast_context.sh

feanor_grab_current_context() {
  if type "kubectl" > /dev/null; then
	  kube_context=$(kubectl config current-context 2>/dev/null)
	  if [[ -z $kube_context ]]; then
	    kube_context="no_kube"
	  fi
	  echo "$kube_context" > /tmp/current-kube-context
	  echo -n "$kube_context"
   fi
}

feanor_custom_kube_context() {
    if [[ -s "/tmp/current-kube-context" ]];then
	local kube_context=$(cat "/tmp/current-kube-context")
	if [[ -z $kube_context ]]; then
	    feanor_grab_current_context
	fi
	local current_ts=$(date '+%s')
	local ftime=$(stat -c '%Y' "/tmp/current-kube-context")
	local timediff=$(expr $current_ts - $ftime)
	if [ $timediff -gt 300 ]; then
	    rm "/tmp/current-kube-context"
	fi
	echo -n "$kube_context"
    else
	feanor_grab_current_context
    fi
}