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"))
28 returns = [Parameter(str, "Human readable slice name (hrn)")]
30 def call(self, cred, request_hash=None):
31 user_cred = Credential(string=cred)
33 gid_origin_caller = user_cred.get_gid_origin_caller()
34 origin_hrn = gid_origin_caller.get_hrn()
35 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.authenticateCred(cred, [cred], request_hash)
38 self.api.auth.check(cred, 'listslices')
41 # send the call to the right manager
42 manager_base = 'sfa.managers'
43 if self.api.interface in ['component']:
44 mgr_type = self.api.config.SFA_CM_TYPE
45 manager_module = manager_base + ".component_manager_%s" % mgr_type
46 manager = __import__(manager_module, fromlist=[manager_base])
47 slices = manager.get_slices(self.api)
48 elif self.api.interface in ['aggregate']:
49 mgr_type = self.api.config.SFA_AGGREGATE_TYPE
50 manager_module = manager_base + ".aggregate_manager_%s" % mgr_type
51 manager = __import__(manager_module, fromlist=[manager_base])
52 slices = manager.get_slices(self.api)
53 elif self.api.interface in ['slicemgr']:
54 mgr_type = self.api.config.SFA_SM_TYPE
55 manager_module = manager_base + ".slice_manager_%s" % mgr_type
56 manager = __import__(manager_module, fromlist=[manager_base])
57 slices = manager.get_slices(self.api)