knife.el

(defun knife-boostrap ()
  "Bootstrap a new node using chef."
  (interactive)
  (let
      ((ip (read-string "Node IP: "))
       (name (read-string "Node name: "))
       (role (let ((choices '("default"  "mid-server" "unifi-controller")))
	       (ido-completing-read "Role: " choices))))
    (async-shell-command
     (concat "knife boostrap " ip
	     " --ssh-user deploy --sudo --node-name " name
	     " --run-list 'role[" role "]"
	     " --json-attributes '{\"cloud\": {\"public_ip\": \"" ip "\"}}' "))))