nmcli connect wifi not work with this

[dyan1024]

robot_upstart is great so far,it's good for auto start with reboot.
I want connect wifi Dynamicly,it works well by roslaunch.But installed service by robot_upstart this not work.the test is below,just nmcli command passed and not work,others work well.
If should add something to service for nmcli?

test.launch

<launch> <node pkg="hlf_robot" type="test.py" name="test_wifi"/> </launch>

test.py

I have test subprocess and envoy to run this command line,they are the same as os.system().

[AlexisTM]

nmcli needs root rights; I'm pretty sure this is the issue ;)