1 ### $Id: reset_slices.py 15428 2009-10-23 15:28:03Z tmack $
2 ### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/methods/reset_slices.py $
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 reset_slice(Method):
13 Reset 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', 'component']
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 authority 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, 'resetslice')
39 # send the call to the right manager
40 manager_base = 'sfa.managers'
41 if self.api.interface in ['component']:
42 mgr_type = self.api.config.SFA_CM_TYPE
43 manager_module = manager_base + ".component_manager_%s" % mgr_type
44 manager = __import__(manager_module, manager_base)
45 manager.reset_slice(self.api, hrn)
46 elif self.api.interface in ['aggregate']:
47 mgr_type = self.api.config.SFA_AGGREGATE_TYPE
48 manager_module = manager_base + ".agregate_manager_%s" % mgr_type
49 manager = __import__(manager_module, manager_base)
50 manager.reset_slice(self.api, hrn)
51 elif self.api.interface in ['slicemgr']:
52 mgr_type = self.api.config.SFA_SM_TYPE
53 manager_module = manager_base + ".slice_manager_%s" % mgr_type
54 manager = __import__(manager_module, manager_base)
55 manager.reset_slice(self.api, hrn)