gistfile1.txt

body common control
{
      bundlesequence => { holder, test_monit_mustache("ssh") };
}

bundle common holder
{
  classes:
      "holderclass" expression => "any"; # will be global

  vars:
      "monit_rules_ssh" data => parsejson('{
"method": "process",
"name": "sshd",
"toprule": "pidfile /var/run/sshd.pid",
"start": "service sshd start",
"stop": "service sshd stop",
"rules": [
           "if failed port 22 protocol ssh then restart",
           "if 2 restarts within 10 cycles then alert",
           "if 5 restarts within 10 cycles then timeout"
         ]
}');
}

bundle agent test_monit_mustache(service)
{
  files:
      "/tmp/monit.$(service).txt"
      create => "true",
      edit_template => "$(this.promise_filename).mustache",
      template_data => mergedata("holder.monit_rules_$(service)"),
      template_method => "mustache";
}

---------------

Mustache template:

## Template for a monit service

check {{method}} {{name}} with {{toprule}}
start program = {{start}}
stop program = {{stop}}

{{#rules}}
  {{.}}
{{/rules}}