cdist-backup/bin/cdist-manifest-recursive-run
Nico Schottelius 494ee906f2 theorethic working version of recursive run :-)
Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
2011-02-06 21:14:21 +01:00

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#!/bin/sh
#
# 2010 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
# run the manifest of the type (with object id),
# try to merge back newly created objects (otherwise fail),
# mark the object as being run
# and iterate until all objects are marked being run.
#
#
#
. cdist-config
if [ $# -ne 1 ]; then
__cdist_usage "<object_dir>"
fi
set -eu
__cdist_object_dir="$1"; shift
# change to directory containing objects
cd "$__cdist_object_dir"
# Loop until we do not create new objects anymore
# which is equal to all objects have been run
__cdist_object_created_new=1
while [ "$__cdist_object_created_new" = 1 ]; do
# assume we're done after this run
__cdist_object_created_new=0
# find all objects (every object has the source recorded)
find . -name "$__cdist_object_source" | \
sed -e "s;$__cdist_object_source\$;;" \
-e 's;^./;;' \
> "$__cdist_tmp_file"
cat "$__cdist_tmp_file"
while read object; do
if [ ! -f "${object}/$__cdist_object_finished" ]; then
echo "Running object ${object} ..."
manifest="${object}/${__cdist_name_init}"
if [ -x "${manifest}" ]; then
cdist-manifest-run "${manifest}" "${__cdist_tmp_dir}"
echo "Trying to merge... "
# list of new objects
cd "${__cdist_tmp_dir}"
find . -name "$__cdist_object_source" | \
sed -e "s;$__cdist_object_source\$;;" \
-e 's;^./;;' \
> "$__cdist_tmp_file"
while read newobject; do
if [ -e "$__cdist_object_dir/${newobject}" ]; then
echo FAIIIIIIIIL
exit 23
else
# Fine, merge back!
pax -r -w "$newobject" "$__cdist_object_dir"
fi
done < "$__cdist_tmp_file"
# Always rerun the whole loop if we ran
# a manifest of an object
break
# FIXME: continue here
# tar, cp, pax, mv?
# mv/cp -n look good - posix?
# pax:
# pax -r -w -k could work, but -k does not raise an error if files
# are already existing
# - copy if not existing
# fail (abort whole recursive run) if existing
#
# iterate over all new objects and copy each back?
# FIXME: cleanup tmp directory, if necessary!
else
# Be nice, warn user if manifests exists, but is not executable
if [ -f "${manifest}" ]; then
echo "Warning ${manifest} is not executable"
fi
fi
touch "${object}/$__cdist_object_finished"
# At least one more run needed
__cdist_object_created_new=1
fi
done < "$__cdist_tmp_file"
done
exit 0