#  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.
#######################################################
#
# Resolve conf
#
#######################################################
bundle common g
# globals
{
  vars:
    "searchlist" slist => { "search iu.hio.no", "search cfengine.com" };
    "nameservers" slist => { "128.39.89.10", "128.39.74.16", "192.168.1.103" };

  classes:
    "am_name_server"
      expression => reglist("@(nameservers)", "$(sys.ipv4[eth1])");
}

#######################################################
body common control
{
  any::
    bundlesequence => { "g", resolver(@(g.searchlist), @(g.nameservers)) };
    domain => "iu.hio.no";
}

#######################################################
bundle agent resolver(s, n)
{
  files:
    # When passing parameters down, we have to refer to
    # a source context
    "$(sys.resolv)"
      # test on "/tmp/resolv.conf" #
      create => "true",
      edit_line => doresolv("@(this.s)", "@(this.n)"),
      edit_defaults => reconstruct;

      # or edit_defaults => modify
}

#######################################################
# For the library
#######################################################
bundle edit_line doresolv(s, n)
{
  vars:
    "line" slist => { @(s), @(n) };

  insert_lines:
    "$(line)";
}

#######################################################
body edit_defaults reconstruct
{
  empty_file_before_editing => "true";
  edit_backup => "false";
  max_file_size => "100000";
}

#######################################################
body edit_defaults modify
{
  empty_file_before_editing => "false";
  edit_backup => "false";
  max_file_size => "100000";
}
