-import os
-
from PLC.Faults import *
from PLC.Method import Method
from PLC.Parameter import Parameter, Mixed
+from PLC.Filter import Filter
from PLC.Nodes import Node, Nodes
-from PLC.Auth import PasswordAuth
+from PLC.Persons import Person, Persons
+from PLC.Auth import Auth
class GetNodes(Method):
"""
- Return an array of dictionaries containing details about the
- specified nodes.
-
- If return_fields is specified, only the specified fields will be
- returned. Only admins may retrieve certain fields. Otherwise, the
- default set of fields returned is:
+ Returns an array of structs containing details about nodes. If
+ node_filter is specified and is an array of node identifiers or
+ hostnames, or a struct of node attributes, only nodes matching the
+ filter will be returned. If return_fields is specified, only the
+ specified details will be returned.
+ Some fields may only be viewed by admins.
"""
- roles = ['admin', 'pi', 'user', 'tech']
+ roles = ['admin', 'pi', 'user', 'tech', 'node', 'anonymous']
accepts = [
- PasswordAuth(),
- [Mixed(Node.fields['node_id'],
- Node.fields['hostname'])],
- Parameter([str], 'List of fields to return')
+ Auth(),
+ Mixed([Mixed(Node.fields['node_id'],
+ Node.fields['hostname'])],
+ Parameter(str,"hostname"),
+ Parameter(int,"node_id"),
+ Filter(Node.fields)),
+ Parameter([str], "List of fields to return", nullok = True),
]
returns = [Node.fields]
- def __init__(self, *args, **kwds):
- Method.__init__(self, *args, **kwds)
- # Update documentation with list of default fields returned
- self.__doc__ += os.linesep.join(Node.fields.keys())
- def call(self, auth, node_id_or_hostname_list = None, return_fields = None):
- # Authenticated function
- assert self.caller is not None
+ def call(self, auth, node_filter = None, return_fields = None):
+
+ # Must query at least slice_ids_whitelist
+ if return_fields is not None:
+ added_fields = set(['slice_ids_whitelist', 'site_id']).difference(return_fields)
+ return_fields += added_fields
+ else:
+ added_fields =[]
- valid_fields = Node.fields.keys()
+ # Get node information
+ nodes = Nodes(self.api, node_filter, return_fields)
# Remove admin only fields
- if 'admin' not in self.caller['roles']:
- for key in ['boot_nonce', 'key', 'session', 'root_person_ids']:
- valid_fields.remove(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).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]
-
+ if not isinstance(self.caller, Person) or \
+ 'admin' not in self.caller['roles']:
+ slice_ids = set()
+ site_ids = set()
+
+ if self.caller:
+ slice_ids.update(self.caller['slice_ids'])
+ if isinstance(self.caller, Node):
+ site_ids.update([self.caller['site_id']])
+ else:
+ site_ids.update(self.caller['site_ids'])
+
+ # if node has whitelist, only return it if users is at
+ # the same site or user has a slice on the whitelist
+ for node in nodes[:]:
+ if 'site_id' in node and \
+ site_ids.intersection([node['site_id']]):
+ continue
+ if 'slice_ids_whitelist' in node and \
+ node['slice_ids_whitelist'] and \
+ not slice_ids.intersection(node['slice_ids_whitelist']):
+ nodes.remove(node)
+
+ # remove remaining admin only fields
+ for node in nodes:
+ for field in ['boot_nonce', 'key', 'session', 'root_person_ids']:
+ if field in node:
+ del node[field]
+
+ # remove added fields if not specified
+ if added_fields:
+ for node in nodes:
+ for field in added_fields:
+ del node[field]
+
return nodes