From 1609e5287371b92fe474953985cd4ec5560e1cc1 Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@kr.ethz.ch>
Date: Wed, 16 Feb 2011 20:04:04 +0100
Subject: [PATCH] add template for code generation for all objects

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
---
 bin/cdist-object-codegen-all | 127 +++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100755 bin/cdist-object-codegen-all

diff --git a/bin/cdist-object-codegen-all b/bin/cdist-object-codegen-all
new file mode 100755
index 00000000..99d86aec
--- /dev/null
+++ b/bin/cdist-object-codegen-all
@@ -0,0 +1,127 @@
+#!/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 2 ]; then
+   __cdist_usage "<target host> <object_dir>"
+fi
+
+set -eu
+
+__cdist_target_host="$1"; shift
+__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"
+
+   # FIXME: DEBUG
+   cat "$__cdist_tmp_file"
+
+   while read object; do
+      if [ ! -f "${object}/$__cdist_object_finished" ]; then
+         echo "Working on object ${object} ..."
+
+         type=${object%%/*}
+         manifest="$__cdist_type_dir/${type}/${__cdist_name_init}"
+
+         if [ -x "${manifest}" ]; then
+            echo "Running manifest of type ${type} ..."
+
+            # FIXME: use subdir in tmpdir?
+            cdist-manifest-run "$__cdist_target_host" "${manifest}" "${__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
+                  __cdist_exit_err "${newobject} already exists, merge failed."
+               else
+                  # Fine, merge back! FIXME: touch correct here?
+                  touch "${newobject}/$__cdist_object_finished"
+                  pax -r -w "$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?
+
+         else
+            # Be nice, warn user if manifests exists, but is not executable
+            if [ -f "${manifest}" ]; then
+               echo "Warning ${manifest} is not executable"
+            fi
+         fi
+
+
+         # At least one more run needed
+         __cdist_object_created_new=1
+      fi
+   done < "$__cdist_tmp_file"
+
+done
+
+exit 0