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
10 from sfa.trust.credential import Credential
12 class get_slices(Method):
14 Get a list of instantiated slices at this authority.
16 @param cred credential string specifying the rights of the caller
17 @return list of human readable slice names (hrn).
20 interfaces = ['aggregate', 'slicemgr', 'component']
23 Parameter(str, "Credential string"),
24 Mixed(Parameter(str, "Request hash"),
25 Parameter(None, "Request hash not specified")),
26 Parameter(str, "Callers credential string")
29 returns = [Parameter(str, "Human readable slice name (hrn)")]
31 def call(self, cred, request_hash=None):
32 self.api.auth.authenticateCred(cred, [cred], request_hash)
33 self.api.auth.check(cred, 'listslices')
36 self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, Credential(string=cred).get_gid_caller().get_hrn(), None, self.name))
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 slices = manager.get_slices(self.api)
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 slices = manager.get_slices(self.api)
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 slices = manager.get_slices(self.api)