function knife_ssh() {
    grep -q $1 ~/.knife_comp~ 2> /dev/null || rm -f ~/.knife_comp~;
    ssh $(knife node show $1 | awk '/IP:/{print $2}')
  }
  
  _knife_ssh() {
    if hash knife 2>/dev/null; then
      if [[ ! -f ~/.knife_comp~ ]]; then
        echo "
  Generating ~/.knife_comp~..." >/dev/stderr
        knife node list > ~/.knife_comp~
      fi
      compadd $(<~/.knife_comp~)
    else
      echo "Could not find knife" > /dev/stderr;
    fi
  }
  
  compdef _knife_ssh knife_ssh