1 from geni.util.faults import *
2 from geni.util.excep import *
3 from geni.util.method import Method
4 from geni.util.parameter import Parameter, Mixed
5 from geni.util.auth import Auth
6 from geni.util.cert import Keypair
7 from geni.util.geniticket import *
9 class get_ticket(Method):
11 Retrieve a ticket. This operation is currently implemented on PLC
12 only (see SFA, engineering decisions); it is not implemented on
15 The ticket is filled in with information from the PLC database. This
16 information includes resources, and attributes such as user keys and
19 @param cred credential string
20 @param name name of the slice to retrieve a ticket for
21 @param rspec resource specification dictionary
23 @return the string representation of a ticket object
26 interfaces = ['registry']
29 Parameter(str, "Credential string"),
30 Parameter(str, "Human readable name of slice to retrive a ticket for (hrn)"),
31 Parameter(str, "Resource specification (rspec)")
34 returns = Parameter(str, "String represeneation of a ticket object")
36 def call(self, cred, hrn, rspec):
37 self.api.auth.check(cred, "getticket")
38 self.api.auth.verify_object_belongs_to_me(hrn)
39 self.api.auth.verify_object_permission(name)
41 # XXX much of this code looks like get_credential... are they so similar
42 # that they should be combined?
44 auth_hrn = self.api.auth.get_authority(hrn)
47 auth_info = self.api.auth.get_auth_info(auth_hrn)
49 table = self.api.auth.get_auth_table(auth_hrn)
50 record = table.resolve('slice', hrn)
52 object_gid = record.get_gid_object()
53 new_ticket = Ticket(subject = object_gid.get_subject())
54 new_ticket.set_gid_caller(self.client_gid)
55 new_ticket.set_gid_object(object_gid)
56 new_ticket.set_issuer(key=auth_info.get_pkey_object(), subject=auth_hrn)
57 new_ticket.set_pubkey(object_gid.get_pubkey())
59 self.api.fill_record_info(record)
61 (attributes, rspec) = self.api.record_to_slice_info(record)
63 new_ticket.set_attributes(attributes)
64 new_ticket.set_rspec(rspec)
66 new_ticket.set_parent(self.api.auth.hierarchy.get_auth_ticket(auth_hrn))
71 return new_ticket.save_to_string(save_parents=True)