#!/bin/sh
#
# 2010-2011 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/>.
#
#
# FIXME: This script is ugly, should be either seperated into smaller ones,
# but definitely be cleaned up - PROOF OF CONCEPT CODE
#

. cdist-config
if [ $# -ne 5 ]; then
   __cdist_usage "<target host> <local srcdir> <local dstdir> <remote srcdir> <remote dstdir>"
fi
set -ue

export __cdist_target_host="$1"; shift

export __cdist_local_src_dir="$1"; shift
export __cdist_local_dst_dir="$1"; shift
export __cdist_remote_src_dir="$1"; shift
export __cdist_remote_dst_dir="$1"; shift

################################################################################
# New code
#

# Create remote source and destination directory
ssh "${__cdist_remote_user}@${__cdist_target_host}"   \
      "mkdir -p   \"${__cdist_remote_src_dir}\"       \
                  \"${__cdist_remote_dst_dir}\""

# Copy explorers to remote source directory
# FIXME: enable -q as soon as the code is cleaned up
scp "${__cdist_src_dir}"/* \
    "${__cdist_remote_user}@${__cdist_target_host}:${__cdist_remote_src_dir}"

# Execute explorers and save results in remote destination directory

# Copy results back to us

################################################################################
# Old code
#
# create basedir
# Transfer all explorers to the target dir - must be one level above, so
# coyping it multiple times works: a -> remote:/base/ = remote:/base/a vs.
# a -> remote:/base/a = remote:/base/a/a (second copy)

# Transfer cdist binaries - FIXME: should transfer all (needed?) of them!
scp "$(which cdist-explorer-coordinator)" "$(which cdist-config)" \
    "root@${__cdist_target_host}:${__cdist_remote_cache_bin}"

# Execute explorer coordinator, which will save results on target
ssh root@${__cdist_target_host} \
   "PATH=\"${__cdist_remote_cache_bin}:\$PATH\"
   \"${__cdist_remote_cache_bin}/cdist-explorer-coordinator\" \
         \"${__cdist_remote_explorer_dir}\" \"${__cdist_remote_cache_explorer}\""

# Ensure local destination directory exists
mkdir -p "$__cdist_local_dst_dir"

# FIXME: enable -q as soon as the code is cleaned up
# Transfer back all results - FIXME: Add 2 level cache, so old version is kept until success
scp -r "root@${__cdist_target_host}:${__cdist_remote_cache_explorer}/*" \
      "$__cdist_local_dst_dir"


exit 0

# --------------------------------------------------------------------------------
# old idea with shell scripts (also sexy)
# Keep until above version successfully works


cd "${__cdist_src_dir}"
ls > "${__cdist_tmp_file}"

# first load all functions
while read funcfull; do
   cat "${funcfull}"
done < "${__cdist_tmp_file}"

# then execute functions
while read funcfull; do
   sh="${funcfull##*/}"
   func="${sh%.sh}"
   var="__$func"

   echo "$var=\"\$($func)\""
   echo "echo $var=\\\"\$$var\\\""
done < "${CDIST_TMP}"