1#  Copyright 2020 Northern.tech AS
2
3#  This file is part of CFEngine 3 - written and maintained by Northern.tech AS.
4
5#  This program is free software; you can redistribute it and/or modify it
6#  under the terms of the GNU General Public License as published by the
7#  Free Software Foundation; version 3.
8
9#  This program is distributed in the hope that it will be useful,
10#  but WITHOUT ANY WARRANTY; without even the implied warranty of
11#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12#  GNU General Public License for more details.
13
14# You should have received a copy of the GNU General Public License
15# along with this program; if not, write to the Free Software
16# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
17
18# To the extent this program is licensed as part of the Enterprise
19# versions of Cfengine, the applicable Commercial Open Source License
20# (COSL) may apply to this file if you as a licensee so wish it. See
21# included file COSL.txt.
22
23#+begin_src cfengine3
24body common control
25{
26      bundlesequence => { "reverse_lookup" };
27}
28
29bundle agent reverse_lookup
30{
31  vars:
32      "local4" string => ip2host("127.0.0.1");
33
34      # this will be localhost on some systems, ip6-localhost on others...
35      "local6" string => ip2host("::1");
36
37  reports:
38    _cfe_output_testing::
39      "we got local4" ifvarclass => isvariable("local4");
40
41    !_cfe_output_testing::
42      "local4 is $(local4)";
43      "local6 is $(local6)";
44}
45#+end_src
46###############################################################################
47#+begin_src example_output
48#@ ```
49#@ R: we got local4
50#@ ```
51#+end_src
52