Hammerspoon script for VPN auto-connect in OS X El Capitan

init.lua

-- hot reload init.lua script
function reloadConfig(files)
    doReload = false
    for _,file in pairs(files) do
        if file:sub(-4) == ".lua" then
            doReload = true
        end
    end
    if doReload then
        hs.reload()
    end
end
hs.pathwatcher.new(os.getenv("HOME") .. "/.hammerspoon/", reloadConfig):start()
hs.alert.show("Config loaded")

-- run apple script to connect to VPN
hs.hotkey.bind({"ctrl", "cmd"}, "V", function()
  ok,result,desc = hs.osascript._osascript([[
  	set vpn_name to "'VPN_NAME'"

	tell application "System Events"
		set rc to do shell script "scutil --nc status " & vpn_name
		if rc starts with "Connected" then
			do shell script "scutil --nc stop " & vpn_name
			display notification "VPN " & vpn_name & " disconnected!"
		else
			-- get current clipboard contents as a string
			set CurrentClipboard to the clipboard as string
			
			-- set the clipboad to your password	
			set the clipboard to "VPN_PASSWORD"
			
			do shell script "scutil --nc start " & vpn_name
			
			delay 2
			
			-- paste clipboard contents into password box
			keystroke "v" using {command down}
			
			-- press "Enter"
			keystroke return
			
			-- wait 2 seconds to connect	
			delay 2
			
			-- now reset the clipboard to what it was before we started
			set the clipboard to CurrentClipboard
			display notification "VPN " & vpn_name & " connected!"
		end if
	end tell
]], "AppleScript")
  -- print(tostring(desc))
  -- hs.alert.show(tostring(ok))
  -- hs.alert.show(tostring(result))
end)

Replace VPN_NAME and VPN_PASSWORD with corresponding name and password for the vpn (Note: username is assumed to be saved during initial VPN setup).