reactor.conf

# this file is /etc/salt/master.d/reactor.conf

reactor:
    - 'salt/netapi/hook/deploy':
        - /srv/salt-dev/reactor/deploy.sls

    - 'salt/presence/change':
        - /srv/salt-dev/reactor/dns.sls

    - 'salt/netapi/hook/restart':
        - /srv/salt-dev/reactor/services/restart.sls'

restart.sls

#!py
# this file is /srv/salt-dev/reactor/services/restart.sls

def run():
    ret = {}

    payload = data.get('post')
    tgt = payload['tgt']
    service = payload['service']
    ret['Restart Service {0} for {1}'.format(service, tgt)] = {
        'cmd.service.restart': [
            {'tgt': tgt},
            {'arg': [
                service
            ]}
        ]
    }
    return ret