cdist/bin/cdist-code-run

#!/bin/sh
#
# 2011 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
# cdist 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, either version 3 of the License, or
# (at your option) any later version.
#
# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
# This binary is executed on the remote side to execute code
# 

. cdist-config
[ $# -eq 2 ] || __cdist_usage "<object dir> <object>"
set -ue

# This variable MUST be exactly like this - see __cdist_object_dir
__cdist_out_object_dir="$1"; shift

object="$1"; shift

if [ ! -d "$(__cdist_object_dir "$object")" ]; then
   __cdist_exit_err "Object $object is missing."
fi  


finished="$(__cdist_object_code_finished "$object")"
code="$(__cdist_object_code "$object")"
require="$(__cdist_object_require "$object")"


# Do nothing if our work has been done
if [ -f "$finished" ]; then
   exit 0
fi

echo "Checking    code  for $object ..."

if [ -f "$require" ]; then
   while read requirement; do
      echo "Requiring  dependency $requirement for $object ..."
      cdist-remote-code-run "$__cdist_out_object_dir" "$requirement"
   done < "$require"
fi

if [ -e "$code" ]; then
   if [ -f "$code" ]; then
      if [ -x "$code" ]; then
         echo "Executing   code  for $object ..."
         "$code"
         touch "$finished"
      else
         __cdist_exit_err "$code exists, but is not executable."
      fi
   else
      __cdist_exit_err "$code exists, but is not a file."
   fi
else
   __cdist_exit_err "Missing code for ${object}."
fi