string_mustache.cf

#  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.

#+begin_src cfengine3
body common control
{
      bundlesequence => { "config", "example" };
}

bundle agent config
{
  vars:
      "deserts" data => parsejson('{ "deserts": {
  "Africa": "Sahara",
  "Asia": "Gobi"
} }');
}


bundle agent example
{
  vars:
      # {{@}} is the current key during an iteration in 3.7 with Mustache
      "with_data_container" string => string_mustache("from container: deserts = {{%deserts}}
from container: {{#deserts}}The desert {{.}} is in {{@}}. {{/deserts}}", "config.deserts");

      # you can dump an entire data structure with {{%myvar}} in 3.7 with Mustache
      "with_system_state" string => string_mustache("from datastate(): deserts = {{%vars.config.deserts.deserts}}
from datastate(): {{#vars.config.deserts.deserts}}The desert {{.}} is in {{@}}. {{/vars.config.deserts.deserts}}"); # will use datastate()

  reports:
      "With an explicit data container: $(with_data_container)";

      "With the system datastate(): $(with_system_state)";
}
#+end_src
###############################################################################
#+begin_src example_output
#@ ```
#@ R: With an explicit data container: from container: deserts = {
#@   "Africa": "Sahara",
#@   "Asia": "Gobi"
#@ }
#@ from container: The desert Sahara is in Africa. The desert Gobi is in Asia. 
#@ R: With the system datastate(): from datastate(): deserts = {
#@   "Africa": "Sahara",
#@   "Asia": "Gobi"
#@ }
#@ from datastate(): The desert Sahara is in Africa. The desert Gobi is in Asia. 
#@ ```
#+end_src