- node_id = node['node_id']
- nodegroup_id = self['nodegroup_id']
-
- if node_id not in self['node_ids']:
- assert nodegroup_id not in node['nodegroup_ids']
-
- self.api.db.do("INSERT INTO nodegroup_node (nodegroup_id, node_id)" \
- " VALUES(%(nodegroup_id)d, %(node_id)d)",
- locals())
-
- if commit:
- self.api.db.commit()
-
- self['node_ids'].append(node_id)
- node['nodegroup_ids'].append(nodegroup_id)
-
- def remove_node(self, node, commit = True):
- """
- Remove node from existing nodegroup.
- """
-
- assert 'nodegroup_id' in self
- assert isinstance(node, Node)
- assert 'node_id' in node
-
- node_id = node['node_id']
- nodegroup_id = self['nodegroup_id']
-
- if node_id in self['node_ids']:
- assert nodegroup_id in node['nodegroup_ids']
-
- self.api.db.do("DELETE FROM nodegroup_node" \
- " WHERE nodegroup_id = %(nodegroup_id)d" \
- " AND node_id = %(node_id)d",
- locals())
-
- if commit:
- self.api.db.commit()
-
- 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)