from PLC.Method import Method
from PLC.Parameter import Parameter, Mixed
-from PLC.Auth import PasswordAuth
+from PLC.Filter import Filter
+from PLC.Auth import Auth
+from PLC.Persons import Person, Persons
+from PLC.Sites import Site, Sites
from PLC.Slices import Slice, Slices
class GetSlices(Method):
"""
- Return an array of structs containing details about slices. If
- slice_id_or_name_list is specified, only the specified slices will
- be queried.
+ Returns an array of structs containing details about slices. If
+ slice_filter is specified and is an array of slice identifiers or
+ slice names, or a struct of slice attributes, only slices matching
+ the filter will be returned. If return_fields is specified, only the
+ specified details will be returned.
Users may only query slices of which they are members. PIs may
- query any of the slices at their sites. Admins may query any
- slice. If a slice that cannot be queried is specified in
- slice_id_or_name_list, details about that slice will not be
- returned.
+ query any of the slices at their sites. Admins and nodes may query
+ any slice. If a slice that cannot be queried is specified in
+ slice_filter, details about that slice will not be returned.
"""
- roles = ['admin', 'pi', 'user', 'tech']
+ roles = ['admin', 'pi', 'user', 'node']
accepts = [
- PasswordAuth(),
- [Mixed(Slice.fields['slice_id'],
- Slice.fields['name'])],
- Parameter([str], 'List of fields to return')
+ Auth(),
+ Mixed([Mixed(Slice.fields['slice_id'],
+ Slice.fields['name'])],
+ Parameter(str,"name"),
+ Parameter(int,"slice_id"),
+ Filter(Slice.fields)),
+ Parameter([str], "List of fields to return", nullok = True)
]
returns = [Slice.fields]
- def call(self, auth, slice_id_or_name_list = None):
- # Get slice information
- slices = Slices(self.api, slice_id_or_name_list).values()
+ def call(self, auth, slice_filter = None, return_fields = None):
+ # If we are not admin, make sure to return only viewable
+ # slices.
+ if isinstance(self.caller, Person) and \
+ 'admin' not in self.caller['roles']:
+ # Get slices that we are able to view
+ valid_slice_ids = self.caller['slice_ids']
+ if 'pi' in self.caller['roles'] and self.caller['site_ids']:
+ sites = Sites(self.api, self.caller['site_ids'])
+ for site in sites:
+ valid_slice_ids += site['slice_ids']
+
+ if not valid_slice_ids:
+ return []
+
+ if slice_filter is None:
+ slice_filter = valid_slice_ids
+
+ # Must query at least slice_id (see below)
+ if return_fields is not None and 'slice_id' not in return_fields:
+ return_fields.append('slice_id')
+ added_fields = True
+ else:
+ added_fields = False
+
+ slices = Slices(self.api, slice_filter, return_fields)
# Filter out slices that are not viewable
- if 'admin' not in self.caller['roles']:
- member_of = lambda slice: self.caller['person_id'] in slice['person_ids']
- if 'pi' in self.caller['roles']:
- can_view = lambda slice: \
- member_of(slice) or \
- slice['site_id'] in self.caller['site_ids']
- else:
- can_view = member_of
- slices = filter(can_view, slices)
+ if isinstance(self.caller, Person) and \
+ 'admin' not in self.caller['roles']:
+ slices = filter(lambda slice: slice['slice_id'] in valid_slice_ids, slices)
+
+ # Remove slice_id if not specified
+ if added_fields:
+ for slice in slices:
+ if 'slice_id' in slice:
+ del slice['slice_id']
return slices