cdist/core/__cdist_explorer_run

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#!/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 explorers
#
# It supports different variables names to be used, so __explorers
# and __type_explorers can be submitted :-)
#
__cdist_explorer_run()
{
[ $# -eq 3 ] || __cdist_usage "<variable name> <explorer dir> <out dir>"
"$__cdist_name_var_object=\"$(__cdist_remote_object_dir "$__cdist_object_self")\""
# Variable that defines the home of the explorers
__cdist_variable_name="$1"; shift
# Find explorers here
__cdist_explorer_dir="$1"; shift
# Write output here
__cdist_my_out_dir="$1"; shift
# Setup environment
export $__cdist_variable_name="$__cdist_explorer_dir"
export __global="$__cdist_remote_out_dir"
mkdir -p "$__cdist_my_out_dir"
# Ensure there is at least one explorer
num="$(ls -1 "$__cdist_explorer_dir" | wc -l)"
if [ "$num" -lt 1 ]; then
__cdist_exit_err "${__cdist_explorer_dir}: Contains no explorers"
fi
# Execute all explorers
for explorer in "$__cdist_explorer_dir/"*; do
explorer_name="${explorer##*/}"
if [ -f "$explorer" ]; then
if [ ! -x "$explorer" ]; then
__cdist_exit_err "Explorer \"$explorer\" exists, but is not executable."
fi
# Execute explorers and save results in remote destination directory
"$explorer" > "${__cdist_my_out_dir}/$explorer_name"
else
if [ -e "$explorer" ]; then
__cdist_exit_err "Explorer \"$explorer\" exists, but is not a file."
fi
fi
done
}