### $URL$
from sfa.util.faults import *
-from sfa.util.misc import *
+from sfa.util.namespace import *
from sfa.util.method import Method
from sfa.util.parameter import Parameter, Mixed
from sfa.trust.auth import Auth
from sfa.plc.slices import Slices
from sfa.util.config import Config
-# RSpecManager_pl is not used. This is just to resolve issues with the dynamic __import__ that comes later.
+# RSpecManager_pl is not used. It's used to make sure the module is in place.
import sfa.rspecs.aggregates.rspec_manager_pl
from sfa.trust.credential import Credential
+from sfatables.runtime import SFATablesRules
class create_slice(Method):
Instantiate the specified slice according to whats defined in the specified rspec
@param cred credential string specifying the rights of the caller
- @param hrn human readable name of slice to instantiate
+ @param hrn human readable name of slice to instantiate (hrn or xrn)
@param rspec resource specification
@return 1 is successful, faults otherwise
"""
accepts = [
Parameter(str, "Credential string"),
- Parameter(str, "Human readable name of slice to instantiate"),
+ Parameter(str, "Human readable name of slice to instantiate (hrn or xrn)"),
Parameter(str, "Resource specification"),
+ Mixed(Parameter(str, "Human readable name of the original caller"),
+ Parameter(None, "Origin hrn not specified"))
]
returns = Parameter(int, "1 if successful")
- def call(self, cred, hrn, rspec, caller_cred=None):
- if caller_cred==None:
- caller_cred=cred
- #log the call
- self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, Credential(string=caller_cred).get_gid_caller().get_hrn(), hrn, self.name))
+ def call(self, cred, xrn, requested_rspec, origin_hrn=None):
+ hrn, type = urn_to_hrn(xrn)
+ user_cred = Credential(string=cred)
+ #log the call
+ if not origin_hrn:
+ origin_hrn = user_cred.get_gid_caller().get_hrn()
+ self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, hrn, self.name))
+
+ # validate the credential
+ self.api.auth.check(cred, 'createslice')
sfa_aggregate_type = Config().get_aggregate_rspec_type()
- self.api.auth.check(cred, 'createslice')
- if (sfa_aggregate_type == 'pl'):
- slices = Slices(self.api, caller_cred=caller_cred)
- slices.create_slice(hrn, rspec)
- else:
- # To clean up after July 21 - SB
- rspec_manager = __import__("sfa.rspecs.aggregates.rspec_manager_"+sfa_aggregate_type, fromlist = ["sfa.rspecs.aggregates"])
+ rspec_manager = __import__("sfa.rspecs.aggregates.rspec_manager_"+sfa_aggregate_type, fromlist = ["sfa.rspecs.aggregates"])
+ #Filter the incoming rspec using sfatables
+ if self.api.interface in ['slicemgr']:
+ incoming_rules = SFATablesRules('FORWARD-INCOMING')
+ elif self.api.interface in ['aggregate']:
+ incoming_rules = SFATablesRules('INCOMING')
+
+ if incoming_rules.sorted_rule_list:
+ #incoming_rules.set_slice(hrn) # This is a temporary kludge. Eventually, we'd like to fetch the context requested by the match/target
+
+ contexts = incoming_rules.contexts
+ request_context = rspec_manager.fetch_context(hrn, origin_hrn, contexts)
+ incoming_rules.set_context(request_context)
+ rspec = incoming_rules.apply(requested_rspec)
+ else:
+ rspec = requested_rspec
+
+ # send the call to the right manager
+ if sfa_aggregate_type not in ['pl']:
+ # To clean up after July 21 - SB
rspec = rspec_manager.create_slice(self.api, hrn, rspec)
-
+ return 1
+
+ manager_base = 'sfa.managers'
+ if self.api.interface in ['aggregate']:
+ mgr_type = self.api.config.SFA_AGGREGATE_TYPE
+ manager_module = manager_base + ".aggregate_manager_%s" % mgr_type
+ manager = __import__(manager_module, fromlist=[manager_base])
+ manager.create_slice(self.api, xrn, rspec)
+ elif self.api.interface in ['slicemgr']:
+ mgr_type = self.api.config.SFA_SM_TYPE
+ manager_module = manager_base + ".slice_manager_%s" % mgr_type
+ manager = __import__(manager_module, fromlist=[manager_base])
+ manager.create_slice(self.api, xrn, rspec, origin_hrn)
+
return 1