4 from sfa.util.faults import *
5 from sfa.util.xrn import urn_to_hrn
6 from sfa.util.method import Method
7 from sfa.util.parameter import Parameter, Mixed
8 from sfa.trust.credential import Credential
9 from sfa.util.sfatablesRuntime import run_sfatables
11 class ListResources(Method):
13 Returns information about available resources or resources allocated to this slice
14 @param credential list
15 @param options dictionary
18 interfaces = ['aggregate', 'slicemgr']
20 Mixed(Parameter(str, "Credential string"),
21 Parameter(type([str]), "List of credentials")),
22 Parameter(dict, "Options"),
23 Parameter(str, "call_id"),
25 returns = Parameter(str, "List of resources")
27 def call(self, creds, options, call_id=""):
28 self.api.logger.info("interface: %s\tmethod-name: %s" % (self.api.interface, self.name))
30 # get slice's hrn from options
31 xrn = options.get('geni_slice_urn', '')
32 (hrn, _) = urn_to_hrn(xrn)
34 # Find the valid credentials
35 valid_creds = self.api.auth.checkCredentials(creds, 'listnodes', hrn)
37 # get hrn of the original caller
38 origin_hrn = options.get('origin_hrn', None)
40 origin_hrn = Credential(string=valid_creds[0]).get_gid_caller().get_hrn()
41 # get manager for this interface
42 manager = self.api.get_interface_manager()
43 rspec = manager.ListResources(self.api, creds, options, call_id)
45 # filter rspec through sfatables
46 if self.api.interface in ['aggregate']:
47 chain_name = 'OUTGOING'
48 elif self.api.interface in ['slicemgr']:
49 chain_name = 'FORWARD-OUTGOING'
50 self.api.logger.debug("ListResources: sfatables on chain %s"%chain_name)
51 filtered_rspec = run_sfatables(chain_name, hrn, origin_hrn, rspec)
53 if options.has_key('geni_compressed') and options['geni_compressed'] == True:
54 filtered_rspec = zlib.compress(filtered_rspec).encode('base64')