import soctet from sfa.rspecs.version_manager import VersionManager from sfa.util.version import version_core from sfa.util.xrn import Xrn from sfa.util.callids import Callids from sfa.util.sfalogging import logger class AggregateManager: def __init__ (self, config): pass # essentially a union of the core version, the generic version (this code) and # whatever the driver needs to expose def _rspec_versions(self): version_manager = VersionManager() ad_rspec_versions = [] request_rspec_versions = [] for rspec_version in version_manager.versions: if rspec_version.content_type in ['*', 'ad']: ad_rspec_versions.append(rspec_version.to_dict()) if rspec_version.content_type in ['*', 'request']: request_rspec_versions.append(rspec_version.to_dict()) return { 'testbed':self.testbed_name(), 'geni_request_rspec_versions': request_rspec_versions, 'geni_ad_rspec_versions': ad_rspec_versions, } def GetVersion(self, api, options): xrn=Xrn(api.hrn) version = version_core() version_generic = { 'testbed': self.driver.testbed_name(), 'interface':'aggregate', 'hrn':xrn.get_hrn(), 'urn':xrn.get_urn(), 'geni_api': 3, 'geni_api_versions': {'3': 'http://%s:%s' % (socket.gethostname(), api.config.sfa_aggregate_port)}, 'geni_single_allocation': 0, # Accept operations that act on as subset of slivers in a given state. 'geni_allocate': 'geni_many',# Multiple slivers can exist and be incrementally added, including those which connect or overlap in some way. 'geni_best_effort': 'true', 'geni_credential_types': [{ 'geni_type': 'geni_sfa', 'geni_version': 3, }], } version.update(version_generic) testbed_version = self.driver.aggregate_version() version.update(testbed_version) return version def ListSlices(self, api, creds, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return [] # look in cache first if self.driver.cache: slices = self.driver.cache.get('slices') if slices: logger.debug("%s.list_slices returns from cache" % (self.driver.__module__)) return slices # call driver slices = self.driver.list_slices(creds, options) # cache the result if self.driver.cache: logger.debug ("%s.list_slices stores value in cache" % (self.driver.__module__)) self.driver.cache.add('slices', instance_urns) return self.driver.list_slices (creds, options) def ListResources(self, api, creds, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return "" version_manager = VersionManager() # get the rspec's return format from options rspec_version = version_manager.get_version(options.get('geni_rspec_version')) version_string = "rspec_%s" % (rspec_version) #panos adding the info option to the caching key (can be improved) if options.get('info'): version_string = version_string + "_"+options.get('info', 'default') # Adding the list_leases option to the caching key if options.get('list_leases'): version_string = version_string + "_"+options.get('list_leases', 'default') # Adding geni_available to caching key if options.get('geni_available'): version_string = version_string + "_" + str(options.get('geni_available')) # look in cache first cached_requested = options.get('cached', True) if cached_requested and self.driver.cache and not slice_hrn: rspec = self.driver.cache.get(version_string) if rspec: logger.debug("%s.ListResources returning cached advertisement" % (self.driver.__module__)) return rspec rspec = self.driver.list_resources (creds, options) if self.driver.cache: logger.debug("%s.ListResources stores advertisement in cache" % (self.driver.__module__)) self.driver.cache.add(version_string, rspec) return self.driver.list_resources (creds, options) def Describe(self, api, creds, urns, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return "" return self.driver.describe (creds, urns, options) def SliverStatus (self, api, xrn, creds, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return {} xrn = Xrn(xrn,'slice') slice_urn=xrn.get_urn() slice_hrn=xrn.get_hrn() return self.driver.sliver_status (slice_urn, slice_hrn) def CreateSliver(self, api, xrn, creds, rspec_string, users, options): """ Create the sliver[s] (slice) at this aggregate. Verify HRN and initialize the slice record in PLC if necessary. """ call_id = options.get('call_id') if Callids().already_handled(call_id): return "" xrn = Xrn(xrn, 'slice') slice_urn=xrn.get_urn() slice_hrn=xrn.get_hrn() return self.driver.create_sliver (slice_urn, slice_hrn, creds, rspec_string, users, options) def DeleteSliver(self, api, xrn, creds, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return True xrn = Xrn(xrn, 'slice') slice_urn=xrn.get_urn() slice_hrn=xrn.get_hrn() return self.driver.delete_sliver (slice_urn, slice_hrn, creds, options) def RenewSliver(self, api, xrn, creds, expiration_time, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return True xrn = Xrn(xrn, 'slice') slice_urn=xrn.get_urn() slice_hrn=xrn.get_hrn() return self.driver.renew_sliver (slice_urn, slice_hrn, creds, expiration_time, options) ### these methods could use an options extension for at least call_id def start_slice(self, api, xrn, creds): xrn = Xrn(xrn) slice_urn=xrn.get_urn() slice_hrn=xrn.get_hrn() return self.driver.start_slice (slice_urn, slice_hrn, creds) def stop_slice(self, api, xrn, creds): xrn = Xrn(xrn) slice_urn=xrn.get_urn() slice_hrn=xrn.get_hrn() return self.driver.stop_slice (slice_urn, slice_hrn, creds) def reset_slice(self, api, xrn): xrn = Xrn(xrn) slice_urn=xrn.get_urn() slice_hrn=xrn.get_hrn() return self.driver.reset_slice (slice_urn, slice_hrn) def GetTicket(self, api, xrn, creds, rspec, users, options): xrn = Xrn(xrn) slice_urn=xrn.get_urn() slice_hrn=xrn.get_hrn() return self.driver.get_ticket (slice_urn, slice_hrn, creds, rspec, options)