4 from sfa.util.faults import *
5 from sfa.util.method import Method
6 from sfa.util.parameter import Parameter, Mixed
7 from sfa.trust.auth import Auth
8 from sfa.plc.slices import Slices
9 from sfa.trust.credential import Credential
11 class get_slices(Method):
13 Get a list of instantiated slices at this authority.
15 @param cred credential string specifying the rights of the caller
16 @return list of human readable slice names (hrn).
19 interfaces = ['aggregate', 'slicemgr', 'component']
22 Parameter(str, "Credential string"),
23 Mixed(Parameter(str, "Human readable name of the original caller"),
24 Parameter(None, "Origin hrn not specified"))
27 returns = [Parameter(str, "Human readable slice name (hrn)")]
29 def call(self, cred, origin_hrn=None):
30 user_cred = Credential(string=cred)
33 origin_hrn = user_cred.get_gid_caller().get_hrn()
34 self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, None, self.name))
37 self.api.auth.check(cred, 'listslices')
40 # send the call to the right manager
41 manager_base = 'sfa.managers'
42 if self.api.interface in ['component']:
43 mgr_type = self.api.config.SFA_CM_TYPE
44 manager_module = manager_base + ".component_manager_%s" % mgr_type
45 manager = __import__(manager_module, fromlist=[manager_base])
46 slices = manager.get_slices(self.api)
47 elif self.api.interface in ['aggregate']:
48 mgr_type = self.api.config.SFA_AGGREGATE_TYPE
49 manager_module = manager_base + ".aggregate_manager_%s" % mgr_type
50 manager = __import__(manager_module, fromlist=[manager_base])
51 slices = manager.get_slices(self.api)
52 elif self.api.interface in ['slicemgr']:
53 mgr_type = self.api.config.SFA_SM_TYPE
54 manager_module = manager_base + ".slice_manager_%s" % mgr_type
55 manager = __import__(manager_module, fromlist=[manager_base])
56 slices = manager.get_slices(self.api)