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""" GroupLogic is a connector plugin that lets you use an XML Genshi
template to dynamically set additional groups for clients. """
import os
import lxml.etree
import Bcfg2.Server.Plugin
from Bcfg2.Server.Plugins.Metadata import MetadataGroup
class GroupLogicConfig(Bcfg2.Server.Plugin.StructFile):
""" Representation of the GroupLogic groups.xml file """
create = lxml.etree.Element("GroupLogic",
nsmap=dict(py="http://genshi.edgewall.org/"))
def _match(self, item, metadata, *args):
if item.tag == 'Group' and not len(item.getchildren()):
return [item]
return Bcfg2.Server.Plugin.StructFile._match(self, item, metadata,
*args)
def _xml_match(self, item, metadata, *args):
if item.tag == 'Group' and not len(item.getchildren()):
return [item]
return Bcfg2.Server.Plugin.StructFile._xml_match(self, item, metadata,
*args)
class GroupLogic(Bcfg2.Server.Plugin.Plugin,
Bcfg2.Server.Plugin.Connector):
""" GroupLogic is a connector plugin that lets you use an XML
Genshi template to dynamically set additional groups for
clients. """
def __init__(self, core, datastore):
Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore)
Bcfg2.Server.Plugin.Connector.__init__(self)
self.config = GroupLogicConfig(os.path.join(self.data, "groups.xml"),
should_monitor=True)
def get_additional_groups(self, metadata):
rv = []
for el in self.config.XMLMatch(metadata).findall("Group"):
if el.get("category"):
rv.append(MetadataGroup(el.get("name"),
category=el.get("category")))
else:
rv.append(el.get("name"))
return rv
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