#  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.


########################################################
#
# Remote classes from server connection to cfServer
#
########################################################

#
# run this as follows:
#
# cf-serverd -f runtest_1.cf [-d2]
# cf-agent   -f runtest_2.cf
#
# Notice that the same file configures all parts of cfengine

########################################################

body common control

{
      bundlesequence  => { job_chain("Hr16|Hr17") };

      version => "1.2.3";
}

########################################################

bundle common g
{
  vars:

      # Signals are in scope of promiser and promisee

      "signal"   string => "pack_a_name";

}

########################################################

bundle agent job_chain(time)

{
  vars:

      "client"   string => "localhost";
      "server"   string => "localhost";
      "margin"   string => "5"; # mins deadtime

  classes:

      "client_primed" expression => classmatch(canonify("$(client)")),
      if => "$(time)";

      "server_primed" expression => classmatch(canonify("$(server)")),
      if => "$(time)";

    client_primed::

      "succeeded"     expression => remoteclassesmatching("$(g.signal)","$(server)","yes","myprefix");

      #
      # Now the job itself
      #

  methods:

    client_primed::

      "downstream" usebundle => do_job("Starting local follow-up job"),
      action => if_elapsed("$(margin)"),
      if => "myprefix_$(g.signal)";

    server_primed::

      "upstream"   usebundle => do_job("Starting remote job"),
      action => if_elapsed("$(margin)"),
      classes => signal_repaired("$(g.signal)");

  reports:

    !succeeded::

      "Server communication failed"

      if => "$(time)";


      "Job completed on the server..."

      if => "$(g.signal)";

}

#########################################################

bundle agent do_job(job)
{
  commands:

      # do whatever...

      "/bin/echo $(job)";
}


#########################################################
# Server config
#########################################################

body server control 

{
      allowconnects         => { "127.0.0.1" , "::1" };
      allowallconnects      => { "127.0.0.1" , "::1" };
      trustkeysfrom         => { "127.0.0.1" , "::1" };
      allowusers            => { "mark" };
}

#########################################################

bundle server access_rules()

{
  vars:

      "localvar" string => "literal string";

  access:

      "$(g.signal)"

      handle  => "test_class_signal",
      resource_type => "context",
      admit   => { "127.0.0.1" };
}


#########################################################
# Standard library
#########################################################

body action if_elapsed(x)
{
      ifelapsed => "$(x)";
}

#########################################################

body classes signal_repaired(x)
{
      promise_repaired => { "$(x)" };
      persist_time => "10";
}
