- # Authenticated function
- assert self.caller is not None
-
- valid_fields = dict(self.return_fields)
-
- # Remove admin only fields
- if 'admin' not in self.caller['roles']:
- for key in ['boot_nonce', 'key', 'session', 'root_person_ids']:
- del valid_fields[key]
-
- # Make sure that only valid fields are specified
- if return_fields is None:
- return_fields = valid_fields
- elif filter(lambda field: field not in valid_fields, return_fields):
- raise PLCInvalidArgument, "Invalid return field specified"
-
- # Get node information
- nodes = Nodes(self.api, node_id_or_hostname_list, return_fields).values()
-
- # Filter out undesired or None fields (XML-RPC cannot marshal
- # None) and turn each node into a real dict.
- valid_return_fields_only = lambda (key, value): \
- key in return_fields and value is not None
- nodes = [dict(filter(valid_return_fields_only, node.items())) \
- for node in nodes]
-
- return nodes