syslog-ng-formula/syslog_ng/files/syslog-ng.conf

<% syslog_config = pillar.get('syslog_ng', {}) %>\
<%!
def rule_builder(rule):
  if rule is None:
    return ''
  elif type(rule) is bool:
    return {True: 'yes', False: 'no'}[rule]
  elif type(rule) is int:
    return rule
  elif type(rule) is list:
    return ' '.join([rule_builder(v) for v in rule])
  elif type(rule) is dict:
    return ' '.join([ '%s(%s)' % (k,rule_builder(v)) for k, v in rule.items()])
  else:
    if rule[0] == '=':
      return rule[1:]
    return '"%s"' % rule
%>\

@version: ${ syslog_config.get('version', '3.3') }

% for module in syslog_config.get('module', []):
@module ${ rule_builder(module) }
% endfor

% for inc in syslog_config.get('include', []):
@include ${ rule_builder(inc) }
% endfor


options {
% for rule in syslog_config.get('options', []):
        ${ rule_builder(rule) };
% endfor
};

% for obj in ('source', 'destination', 'filter', 'parser', 'rewrite', 'template'): 
  % for params in syslog_config.get(obj, []):
    % for name, rules in params.items():
${ obj } ${ name } {
      % for rule in rules:
        ${ rule_builder(rule) };
      % endfor
};

    % endfor
  % endfor

% endfor
% for loggers in syslog_config.get('log', []):
log {
  % for rule in loggers:
        ${ rule_builder(rule) };
  % endfor
};
% endfor