cdist/bin/cdist-object-codegen

#!/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/>.
#
#
# Generate code from one object (object must be relative path!)
# WARNING: OUTPUT ON STDOUT, ERRORS NEED TO BE ON STDERR!
#

. cdist-config
[ $# -eq 3 ] || __cdist_usage "<target host>" "<object_base_dir>" "<object>"
set -eu

export __cdist_target_host="$1"; shift
export __cdist_object_base_dir="$1"; shift
export __cdist_object="$1"; shift

# Full path to object
export __cdist_object_dir="${__cdist_object_base_dir}/${__cdist_object}"

# Get type from object path
export __cdist_type="${__cdist_object%%/*}"

# Get id from object path (i.e no type prefix)
export __cdist_object_id="${__cdist_object#*/}"

# Full path to where the executable of the type should exist, if the type has one
gencode="$(__cdist_type_gencode "$__cdist_type")"

cd "$__cdist_object_dir"

# Call gencode of type with __cdist_object
if [ -x "$gencode" ]; then
   # Prepend header to each script
   cat << eof
#
# Code imported from $gencode
#

eof

   # Catch errors ourself now
   set +e
   (
      # Ensure manifest fails if something within manifest fails
      # And not all manifests need to include set -e themselves
      set -e
      . "$gencode"
   ); ret=$?

else
   ret=0
fi

if [ "$ret" -ne 0 ]; then
   __cdist_exit_err "Error: $gencode exited non-zero"
fi