#  Copyright 2021 Northern.tech AS

#  This file is part of CFEngine 3 - written and maintained by Northern.tech AS.

#  This program is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License as published by the
#  Free Software Foundation; version 3.

#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA

# To the extent this program is licensed as part of the Enterprise
# versions of Cfengine, the applicable Commercial Open Source License
# (COSL) may apply to this file if you as a licensee so wish it. See
# included file COSL.txt.

#####################################################################
#
# Concept of standard services promises
#
#####################################################################

body common control
{
      bundlesequence => { "example" };
}

#

bundle agent example
{
  vars:

      "mail" slist => { "milter", "spamassassin", "postfix" };


  services:

      "www" service_policy => "start",
      service_method => service_test;

      "$(mail)" service_policy => "stop",
      service_method => service_test;

}

####################################################################

body service_method service_test
{
      service_bundle => non_standard_services("$(this.promiser)","$(this.service_policy)");
}

####################################################################

bundle agent standard_services(service,state)
{
      # DATA, 

  vars:

    suse|redhat::

      "startcommand[www]"     string => "/etc/init.d/apache2 start";
      "stopcommand[www]"      string => "/etc/init.d/apache2 stop";

    debian|ubuntu::

      "startcommand[www]"     string => "/etc/init.d/httpd start";
      "stopcommand[www]"      string => "/etc/init.d/httpd stop";

    linux::

      "startcommand[postfix]" string => "/etc/init.d/postfix start";
      "stopcommand[postfix]"  string => "/etc/init.d/postfix stop";


      # METHODS

  classes:

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

  processes:

    start::

      ".*$(service).*"

      comment => "Verify that the service appears in the process table",
      restart_class => "restart_$(service)";

    stop::

      ".*$(service).*"

      comment => "Verify that the service does not appear in the process",
      process_stop => "$(stopcommand[$(service)])",
      signals => { "term", "kill"};

  commands:

      "$(startcommand[$(service)])"

      comment => "Execute command to restart the $(service) service",
      if => "restart_$(service)";

}

######################################################################

bundle agent non_standard_services(service,state)
{
  reports:

    !done::

      "Test service promise for \"$(service)\" -> $(state)";
}
