From 188afa2777615335c42e1a2498ef8779cd8f4ab6 Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@kr.ethz.ch>
Date: Tue, 14 Jun 2011 01:44:40 +0200
Subject: [PATCH] add wrapper script to execute functions remotely

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
---
 bin/cdist-remote | 68 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100755 bin/cdist-remote

diff --git a/bin/cdist-remote b/bin/cdist-remote
new file mode 100755
index 00000000..d95913ba
--- /dev/null
+++ b/bin/cdist-remote
@@ -0,0 +1,68 @@
+#!/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-config
+[ $# -eq 3 ] || __cdist_usage "<variable name> <explorer dir> <out dir>"
+set -ue
+
+# 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