#
# Functions for interacting with the nodegroups table in the database
#
-# Mark Huang <mlhuang@cs.princeton.edu>
-# Copyright (C) 2006 The Trustees of Princeton University
-#
-# $Id$
#
from types import StringTypes
from PLC.Faults import *
from PLC.Parameter import Parameter, Mixed
-from PLC.Filter import Filter
from PLC.Debug import profile
-from PLC.Table import Row, Table
+from PLC.Storage.AlchemyObject import AlchemyObj
from PLC.Nodes import Node, Nodes
class NodeGroup(Row):
dict. Commit to the database with sync().
"""
- table_name = 'nodegroups'
- primary_key = 'nodegroup_id'
+ tablename = 'nodegroups'
join_tables = ['conf_file_nodegroup']
- primary_field = 'nodegroup_id'
fields = {
- 'nodegroup_id': Parameter(int, "Node group identifier"),
+ 'nodegroup_id': Parameter(int, "Node group identifier", primary_key),
'groupname': Parameter(str, "Node group name", max = 50),
'tag_type_id': Parameter (int, "Node tag type id"),
'value' : Parameter(str, "value that the nodegroup definition is based upon"),
'tagname' : Parameter(str, "Tag name that the nodegroup definition is based upon"),
- 'conf_file_ids': Parameter([int], "List of configuration files specific to this node group"),
- 'node_ids' : Parameter([int], "List of node_ids that belong to this nodegroup"),
- }
+ 'conf_file_ids': Parameter([int], "List of configuration files specific to this node group", joined=True),
+ 'node_ids' : Parameter([int], "List of node_ids that belong to this nodegroup", joined=True),
+ }
related_fields = {
}
def validate_name(self, name):
- # Make sure name is not blank
+ # Make sure name is not blank
if not len(name):
- raise PLCInvalidArgument, "Invalid node group name"
-
- # Make sure node group does not alredy exist
- conflicts = NodeGroups(self.api, [name])
- for nodegroup in conflicts:
+ raise PLCInvalidArgument, "Invalid node group name"
+
+ # Make sure node group does not alredy exist
+ conflicts = NodeGroups(self.api, name)
+ 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"
+ raise PLCInvalidArgument, "Node group name already in use"
- return name
+ return name
- 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)
- """
+ def sync(self, commit=True, validate=True):
+ AlchemyObj.sync(self, commit, validate)
+ if 'nodegroup_id' not in self:
+ AlchemyObj.insert(self, dict(self))
+ else:
+ AlchemyObj.update(self, {'nodegroup_id': self['nodegroup_id']}, dict(self))
- assert 'conf_file_ids' in self
+ def delete(self, commit=True):
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)
+ AlchemyObj.delete(self, dict(self))
- 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):
+class NodeGroups(list):
"""
Representation of row(s) from the nodegroups table in the
database.
"""
def __init__(self, api, nodegroup_filter = None, columns = None):
- Table.__init__(self, api, NodeGroup, columns)
-
- sql = "SELECT %s FROM view_nodegroups WHERE True" % \
- ", ".join(self.columns)
-
- if nodegroup_filter is not None:
- if isinstance(nodegroup_filter, (list, tuple, set)):
- # Separate the list into integers and strings
- 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, 'groupname': strs})
- sql += " AND (%s) %s" % nodegroup_filter.sql(api, "OR")
- elif isinstance(nodegroup_filter, dict):
- nodegroup_filter = Filter(NodeGroup.fields, nodegroup_filter)
- sql += " AND (%s) %s" % nodegroup_filter.sql(api, "AND")
- self.selectall(sql)
+ if not nodegroup_filter is not None:
+ nodegroups = NodeGroup().select()
+ if isinstance(nodegroup_filter, (list, tuple, set)):
+ # Separate the list into integers and strings
+ ints = filter(lambda x: isinstance(x, (int, long)), nodegroup_filter)
+ strs = filter(lambda x: isinstance(x, StringTypes), nodegroup_filter)
+ nodegroups = NodeGroup().select(filter={'nodegroup_id': ints, 'groupname': strs})
+ elif isinstance(nodegroup_filter, dict):
+ nodegroups = NodeGroup().select(filter=nodegroup_filter)
+ elif isinstance(nodegroup_filter, (int, long)):
+ nodegroups = NodeGroup().select(filter={'nodegroup_id': nodegroup_filter})
+ elif isinstance(nodegroup_filter, StringTypes):
+ nodegroups = NodeGroup().select(filter={'groupname': nodegroup_filter})
+ else:
+ raise PLCInvalidArgument, "Wrong node group filter %r"%nodegroup_filter
+
+ for nodegroup in nodegroups:
+ self.append(nodegroup)
git://git.onelab.eu / plcapi.git / blobdiff