4 from sfa.util.faults import *
5 from sfa.util.misc import *
6 from sfa.util.method import Method
7 from sfa.util.parameter import Parameter, Mixed
8 from sfa.trust.auth import Auth
9 from sfa.plc.slices import Slices
11 class start_slice(Method):
13 Start the specified slice
15 @param cred credential string specifying the rights of the caller
16 @param hrn human readable name of slice to instantiate
17 @return 1 is successful, faults otherwise
20 interfaces = ['aggregate', 'slicemgr']
23 Parameter(str, "Credential string"),
24 Parameter(str, "Human readable name of slice to instantiate"),
25 Mixed(Parameter(str, "Request hash"),
26 Parameter(None, "Request hash not specified"))
29 returns = [Parameter(int, "1 if successful")]
31 def call(self, cred, hrn, request_hash=None):
32 # This cred will be an slice cred, not a user, so we cant use it to
33 # authenticate the caller's request_hash. Let just get the caller's gid
34 # from the cred and authenticate using that
35 client_gid = Credential(string=cred).get_gid_caller()
36 client_gid_str = client_gid.save_to_string(save_parents=True)
37 self.api.auth.authenticateGid(client_gid_str, [cred, hrn], request_hash)
38 self.api.auth.check(cred, 'startslice')
39 slices = Slices(self.api)
40 slices.start_slice(hrn)