1 from PLC.Faults import *
2 from PLC.Method import Method
3 from PLC.Parameter import Parameter, Mixed
4 from PLC.Auth import Auth
5 from PLC.Leases import Lease, Leases
6 from PLC.Slices import Slice, Slices
8 class DeleteLeases(Method):
12 Users may only delete leases attached to their slices.
13 PIs may delete any of the leases for slices at their sites, or any
14 slices of which they are members. Admins may delete any lease.
16 Returns 1 if successful, faults otherwise.
19 roles = ['admin', 'pi', 'tech', 'user']
23 Mixed(Lease.fields['lease_id'],[ Lease.fields['lease_id']]),
26 returns = Parameter(int, '1 if successful')
29 def call(self, auth, lease_ids):
30 # Get associated lease details
31 leases = Leases(self.api, lease_ids)
32 if len(leases) != len(lease_ids):
33 raise PLCInvalidArgument("Could not find all leases %r"%lease_ids)
35 # fetch related slices
36 slices = Slices(self.api, [ lease['slice_id'] for lease in leases],['slice_id','person_ids'])
37 # create hash on slice_id
38 slice_map = dict ( [ (slice['slice_id'],slice) for slice in slices ] )
40 lease_ids=[lease['lease_id'] for lease in leases]
42 if 'admin' not in self.caller['roles']:
43 slice=slice_map[lease['slice_id']]
44 # check slices only once
45 if 'verified' not in slice:
46 if self.caller['person_id'] in slice['person_ids']:
47 slice['verified']=True
48 elif 'pi' not in self.caller['roles']:
49 raise PLCPermissionDenied("Not a member of slice %r"%slice['name'])
50 elif slice['site_id'] not in self.caller['site_ids']:
51 raise PLCPermissionDenied("Slice %r not associated with any of your sites"%slice['name'])
56 self.event_objects = {'Lease': lease_ids }
57 self.message = 'Leases %r deleted' % lease_ids