#!/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/>.
#
# 
# For each created object check the explorers and run them if needed.
#

. cdist-config
[ $# -eq 2 ] || __cdist_usage "<target host> <object_base_dir>"
set -eu

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

__cdist_object_list "$__cdist_object_base_dir" > "$__cdist_tmp_file"

# need to create pseudo array, as ssh in cdist-explorer-run will destroy while-read loops
while read object; do
   set -- "$@" "$object"
done < "$__cdist_tmp_file"

while [ $# -gt 0 ]; do
   object="$1"; shift
   object_id="$(__cdist_object_id_from_object "$object")"
   type="$(__cdist_type_from_object "$object")"

   local_src_dir="$(__cdist_type_explorer_dir "$type")"
   local_dst_dir="$__cdist_object_base_dir/${object}/${__cdist_name_explorer}"

   # FIXME: remove path concatenation from here and construct paths only in
   # cdist-config!
   remote_src_dir="$__cdist_remote_cache_dir/$__cdist_name_type/$type/$__cdist_name_explorer"

   set -x
   # Contains parameters + output of explorers
   remote_object_dir="$__cdist_remote_cache_dir/$__cdist_name_object/$object"
   remote_dst_dir="$remote_object_dir/$__cdist_name_explorer"

   # Also copy parameters
   # FIXME: add function to copy whole host specific tree!
   local_params_dir="$__cdist_object_base_dir/$object/$__cdist_name_params"

   # Copy directory, needs to be one level above, otherwise subdir is created
   # FIXME: add -q later
   ssh "${__cdist_remote_user}@${__cdist_target_host}" "mkdir -p \"$remote_object_dir\""

   # 
   ssh "${__cdist_remote_user}@${__cdist_target_host}" "mkdir -p \"$remote_object_dir\""

   scp -r "$local_params_dir" "${__cdist_remote_user}@${__cdist_target_host}:$remote_object_dir"

   if [ -d "$local_src_dir" ]; then
      echo "Executing explorers for $object ..."
      num="$(ls -1 "$local_src_dir" | wc -l)"

      # Skip if there is not at least one explorer
      if [ "$num" -lt 1 ]; then
         continue
      fi

      cdist-explorer-run "$__cdist_target_host" \
         "$local_src_dir"  "$local_dst_dir"     \
         "$remote_src_dir" "$remote_dst_dir"    \
         "$object_id"
   fi
   set +x
done