code: def asok(cluster, hostname):
      
      asok_file = '%s-mon.%s.asok' % (cluster, hostname)
      return join(constants.base_run_path, asok_file)
docs: Example usage::
  
          >>> from ceph_deploy.util.paths import mon
          >>> mon.asok('mycluster', 'myhostname')
          /var/run/ceph/mycluster-mon.myhostname.asok