POSIX: Add support for unified Path entries

This commit adds support for a new Path entry which unifies all the
various POSIX entry types. A new plugin is included which will allow you
to transform new Path entries back into their old format (for
compatibility with old clients).

Signed-off-by: Sol Jerome <solj@ices.utexas.edu>

git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@5414 ce84e21b-d406-0410-9b95-82705330c041

1 files changed, 32 insertions, 0 deletions

diff --git a/src/lib/Server/Plugins/Compat.py b/src/lib/Server/Plugins/Compat.py
new file mode 100644
index 000000000..c68e7181c
--- /dev/null
+++ b/src/lib/Server/Plugins/Compat.py
@@ -0,0 +1,32 @@
+'''
+   This plugin provides a compatibility layer which turns new-style
+   POSIX entries into old-style entries.
+'''
+__revision__ = '$Revision:$'
+
+import Bcfg2.Server.Plugin
+
+COMPAT_DICT = {'configfile': 'ConfigFile',
+               'device': 'Device',
+               'directory': 'Directory',
+               'permissions': 'Permissions',
+               'symlink': 'SymLink'}
+
+class Compat(Bcfg2.Server.Plugin.Plugin,
+             Bcfg2.Server.Plugin.GoalValidator):
+    name = 'Compat'
+    __version__ = '$Id:$'
+    __author__ = 'bcfg-dev@mcs.anl.gov'
+
+    def __init__(self, core, datastore):
+        Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore)
+        Bcfg2.Server.Plugin.GoalValidator.__init__(self)
+
+    def validate_goals(self, metadata, goals):
+        for goal in goals:
+            for entry in goal.getchildren():
+                if entry.tag == 'Path':
+                    oldentry = entry
+                    entry.tag = COMPAT_DICT['%s' % entry.get('type')]
+                    entry.set('type', 'Compat')
+                    goal.replace(oldentry, entry)