# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id: NodeGroups.py,v 1.11 2006/10/03 19:25:30 mlhuang Exp $
+# $Id: NodeGroups.py,v 1.12 2006/10/06 19:05:31 mlhuang Exp $
#
from types import StringTypes
table_name = 'nodegroups'
primary_key = 'nodegroup_id'
+ join_tables = ['nodegroup_node', 'conf_file_nodegroup']
fields = {
'nodegroup_id': Parameter(int, "Node group identifier"),
'name': Parameter(str, "Node group name", max = 50),
'description': Parameter(str, "Node group description", max = 200),
'node_ids': Parameter([int], "List of nodes in this node group"),
+ 'conf_file_ids': Parameter([int], "List of configuration files specific to this node group"),
}
- def __init__(self, api, fields = {}):
- Row.__init__(self, fields)
- self.api = api
-
def validate_name(self, name):
# Remove leading and trailing spaces
name = name.strip()
self['node_ids'].remove(node_id)
node['nodegroup_ids'].remove(nodegroup_id)
- def delete(self, commit = True):
- """
- Delete existing nodegroup from the database.
- """
-
- assert 'nodegroup_id' in self
-
- # Clean up miscellaneous join tables
- for table in ['nodegroup_node', 'nodegroups']:
- self.api.db.do("DELETE FROM %s" \
- " WHERE nodegroup_id = %d" % \
- (table, self['nodegroup_id']), self)
-
- if commit:
- self.api.db.commit()
-
class NodeGroups(Table):
"""
Representation of row(s) from the nodegroups table in the
for row in rows:
self[row['nodegroup_id']] = nodegroup = NodeGroup(api, row)
- for aggregate in ['node_ids']:
+ for aggregate in ['node_ids', 'conf_file_ids']:
if not nodegroup.has_key(aggregate) or nodegroup[aggregate] is None:
nodegroup[aggregate] = []
else: