CFEngine maintenance policy for freenas 9.3 to keep django running

freenas.cf

bundle agent freenas
{

  meta:
    "tags" slist => { "autorun" };

  services:
    "django"
      service_policy => "start",
      service_method => freebsd_service;
}

body service_method freebsd_service
{
  service_bundle => freebsd_service_method($(this.promiser), $(this.service_policy));
}
bundle agent freebsd_service_method(service, state)
{
  vars:
    "c_service" string => canonify($(service));

  classes:
    "$(c_service)_running" expression => returnszero("/usr/sbin/service $(service) status  > /dev/null 2>&1", useshell);

     "$(c_service)_desired_running" expression => strcmp($(state), "start");

  commands:
    
      "/usr/sbin/service"
        args => "$(service) start",
        ifvarclass => and(not("$(c_service)_running)"), "$(c_service)_desired_running");

  reports:
    DEBUG|DEBUG_freebsd_service::
      "DEBUG $(this.bundle): $(service) [ RUNNING ]"
        ifvarclass => "$(c_service)_running";
      "DEBUG $(this.bundle): $(service) [ NOT RUNNING ]"
        ifvarclass => not("$(c_service)_running");
}