gistfile1.txt

[root@salt salt]# cat top.sls 
base:
    mpi_compute:
        - match: nodegroup
        - ntp
[root@salt salt]# 
[root@salt salt]# 
[root@salt salt]# 
[root@salt salt]# cat ntp.sls 
ntpd:
    service.running:
        - enable: True
        - name: ntpd
        - require:
            - file: ntp.conf

ntp.conf:
    file.managed:
        - name: /etc/ntp.conf
        - source: salt://config_files/ntp.conf_standard