# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id: NodeGroups.py,v 1.18 2006/11/09 03:07:42 mlhuang Exp $
+# $Id: NodeGroups.py 5666 2007-11-06 21:52:21Z tmack $
#
from types import StringTypes
from PLC.Faults import *
-from PLC.Parameter import Parameter
+from PLC.Parameter import Parameter, Mixed
from PLC.Filter import Filter
from PLC.Debug import profile
from PLC.Table import Row, Table
'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"),
}
+ related_fields = {
+ 'conf_files': [Parameter(int, "ConfFile identifier")],
+ 'nodes': [Mixed(Parameter(int, "Node identifier"),
+ Parameter(str, "Fully qualified hostname"))]
+ }
def validate_name(self, name):
# Make sure name is not blank
# Make sure node group does not alredy exist
conflicts = NodeGroups(self.api, [name])
- for nodegroup_id in conflicts:
- if 'nodegroup_id' not in self or self['nodegroup_id'] != nodegroup_id:
+ for nodegroup in conflicts:
+ if 'nodegroup_id' not in self or self['nodegroup_id'] != nodegroup['nodegroup_id']:
raise PLCInvalidArgument, "Node group name already in use"
return name
self['node_ids'].remove(node_id)
node['nodegroup_ids'].remove(nodegroup_id)
+ def associate_nodes(self, auth, field, value):
+ """
+ Adds nodes found in value list to this nodegroup (using AddNodeToNodeGroup).
+ Deletes nodes not found in value list from this slice (using DeleteNodeFromNodeGroup).
+ """
+
+ assert 'node_ids' in self
+ assert 'nodegroup_id' in self
+ assert isinstance(value, list)
+
+ (node_ids, hostnames) = self.separate_types(value)[0:2]
+
+ # Translate hostnames into node_ids
+ if hostnames:
+ nodes = Nodes(self.api, hostnames, ['node_id']).dict('node_id')
+ node_ids += nodes.keys()
+
+ # Add new ids, remove stale ids
+ if self['node_ids'] != node_ids:
+ from PLC.Methods.AddNodeToNodeGroup import AddNodeToNodeGroup
+ from PLC.Methods.DeleteNodeFromNodeGroup import DeleteNodeFromNodeGroup
+ new_nodes = set(node_ids).difference(self['node_ids'])
+ stale_nodes = set(self['node_ids']).difference(node_ids)
+
+ for new_node in new_nodes:
+ AddNodeToNodeGroup.__call__(AddNodeToNodeGroup(self.api), auth, new_node, self['nodegroup_id'])
+ for stale_node in stale_nodes:
+ DeleteNodeFromNodeGroup.__call__(DeleteNodeFromNodeGroup(self.api), auth, stale_node, self['nodegroup_id'])
+
+ def associate_conf_files(self, auth, field, value):
+ """
+ Add conf_files found in value list (AddConfFileToNodeGroup)
+ Delets conf_files not found in value list (DeleteConfFileFromNodeGroup)
+ """
+
+ assert 'conf_file_ids' in self
+ assert 'nodegroup_id' in self
+ assert isinstance(value, list)
+
+ conf_file_ids = self.separate_types(value)[0]
+
+ if self['conf_file_ids'] != conf_file_ids:
+ from PLC.Methods.AddConfFileToNodeGroup import AddConfFileToNodeGroup
+ from PLC.Methods.DeleteConfFileFromNodeGroup import DeleteConfFileFromNodeGroup
+ new_conf_files = set(conf_file_ids).difference(self['conf_file_ids'])
+ stale_conf_files = set(self['conf_file_ids']).difference(conf_file_ids)
+
+ for new_conf_file in new_conf_files:
+ AddConfFileToNodeGroup.__call__(AddConfFileToNodeGroup(self.api), auth, new_conf_file, self['nodegroup_id'])
+ for stale_conf_file in stale_conf_files:
+ DeleteConfFileFromNodeGroup.__call__(DeleteConfFileFromNodeGroup(self.api), auth, stale_conf_file, self['nodegroup_id'])
+
+
class NodeGroups(Table):
"""
Representation of row(s) from the nodegroups table in the
ints = filter(lambda x: isinstance(x, (int, long)), nodegroup_filter)
strs = filter(lambda x: isinstance(x, StringTypes), nodegroup_filter)
nodegroup_filter = Filter(NodeGroup.fields, {'nodegroup_id': ints, 'name': strs})
- sql += " AND (%s)" % nodegroup_filter.sql(api, "OR")
+ sql += " AND (%s) %s" % nodegroup_filter.sql(api, "OR")
elif isinstance(nodegroup_filter, dict):
nodegroup_filter = Filter(NodeGroup.fields, nodegroup_filter)
- sql += " AND (%s)" % nodegroup_filter.sql(api, "AND")
+ sql += " AND (%s) %s" % nodegroup_filter.sql(api, "AND")
self.selectall(sql)