1 from PLC.Faults import *
2 from PLC.Method import Method
3 from PLC.Parameter import Parameter, Mixed
4 from PLC.Nodes import Node, Nodes
5 from PLC.Slices import Slice, Slices
6 from PLC.Auth import Auth
8 class DeleteSliceFromNodes(Method):
10 Deletes the specified slice from the specified nodes. If the slice is
11 not associated with a node, no errors are returned.
13 Returns 1 if successful, faults otherwise.
16 roles = ['admin', 'pi', 'user']
20 Mixed(Slice.fields['slice_id'],
21 Slice.fields['name']),
22 [Mixed(Node.fields['node_id'],
23 Node.fields['hostname'])]
26 returns = Parameter(int, '1 if successful')
28 def call(self, auth, slice_id_or_name, node_id_or_hostname_list):
29 # Get slice information
30 slices = Slices(self.api, [slice_id_or_name])
32 raise PLCInvalidArgument("No such slice")
35 if slice['peer_id'] is not None:
36 raise PLCInvalidArgument("Not a local slice")
38 if 'admin' not in self.caller['roles']:
39 if self.caller['person_id'] in slice['person_ids']:
41 elif 'pi' not in self.caller['roles']:
42 raise PLCPermissionDenied("Not a member of the specified slice")
43 elif slice['site_id'] not in self.caller['site_ids']:
44 raise PLCPermissionDenied("Specified slice not associated with any of your sites")
46 # Remove slice from all nodes found
49 nodes = Nodes(self.api, node_id_or_hostname_list)
51 if slice['peer_id'] is not None and node['peer_id'] is not None:
52 raise PLCPermissionDenied("Not allowed to remove peer slice from peer node")
53 if slice['slice_id'] in node['slice_ids']:
54 slice.remove_node(node, commit = False)
58 self.event_objects = {'Node': [node['node_id'] for node in nodes],
59 'Slice': [slice['slice_id']]}