1 from sfa.util.faults import *
2 from sfa.util.namespace import *
3 from sfa.util.method import Method
4 from sfa.util.parameter import Parameter, Mixed
5 from sfa.trust.credential import Credential
6 from sfa.util.sfatablesRuntime import run_sfatables
10 class ListResources(Method):
12 Returns information about available resources or resources allocated to this slice
13 @param credential list
14 @param options dictionary
17 interfaces = ['aggregate', 'slicemgr']
19 Mixed(Parameter(str, "Credential string"),
20 Parameter(type([str]), "List of credentials")),
21 Parameter(dict, "Options")
23 returns = Parameter(str, "List of resources")
25 def call(self, creds, options):
26 self.api.logger.info("interface: %s\tmethod-name: %s" % (self.api.interface, self.name))
28 # get slice's hrn from options
29 xrn = options.get('geni_slice_urn', None)
30 hrn, _ = urn_to_hrn(xrn)
32 # Find the valid credentials
33 valid_creds = self.api.auth.checkCredentials(creds, 'listnodes', hrn)
35 # get hrn of the original caller
36 origin_hrn = options.get('origin_hrn', None)
38 origin_hrn = Credential(string=valid_creds[0]).get_gid_caller().get_hrn()
39 # get manager for this interface
40 manager = self.api.get_interface_manager()
41 rspec = manager.get_rspec(self.api, creds, options)
43 # filter rspec through sfatables
44 if self.api.interface in ['aggregate']:
45 chain_name = 'OUTGOING'
46 elif self.api.interface in ['slicemgr']:
47 chain_name = 'FORWARD-OUTGOING'
48 filtered_rspec = run_sfatables(chain_name, hrn, origin_hrn, rspec)
50 if options.has_key('geni_compressed') and options['geni_compressed'] == True:
51 filtered_rspec = zlib.compress(filtered_rspec).encode('base64')