/usr/share/tripleo-image-elements/ntp/install.d/50-ntp is in python-tripleo-image-elements 0.7.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 | #!/bin/bash
# ntpdate is used when the network is brought up to correct any large time skew
install-packages ntp ntpdate
|