import socket 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 from sfa.util.faults import SfaInvalidArgument, InvalidRSpecVersion from sfa.server.api_versions import ApiVersions 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 { 'geni_request_rspec_versions': request_rspec_versions, 'geni_ad_rspec_versions': ad_rspec_versions, } def get_rspec_version_string(self, rspec_version, options={}): 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')) return version_string def GetVersion(self, api, options): xrn=Xrn(api.hrn, type='authority') version = version_core() cred_types = [{'geni_type': 'geni_sfa', 'geni_version': str(i)} for i in range(4)[-2:]] geni_api_versions = ApiVersions().get_versions() geni_api_versions.append({'3': 'http://%s:%s' % (socket.gethostname(), api.config.sfa_aggregate_port)}) version_generic = { 'testbed': self.driver.testbed_name(), 'interface':'aggregate', 'hrn':xrn.get_hrn(), 'urn':xrn.get_urn(), 'geni_api': 3, 'geni_api_versions': geni_api_versions, '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_credential_types': cred_types, } version.update(version_generic) version.update(self.rspec_versions()) testbed_version = self.driver.aggregate_version() version.update(testbed_version) return version def ListResources(self, api, creds, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return "" # get the rspec's return format from options version_manager = VersionManager() rspec_version = version_manager.get_version(options.get('geni_rspec_version')) version_string = self.get_rspec_version_string(rspec_version, options) # look in cache first cached_requested = options.get('cached', True) if cached_requested and self.driver.cache: 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 (rspec_version, options) if self.driver.cache: logger.debug("%s.ListResources stores advertisement in cache" % (self.driver.__module__)) self.driver.cache.add(version_string, rspec) return rspec def Describe(self, api, creds, urns, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return "" version_manager = VersionManager() rspec_version = version_manager.get_version(options.get('geni_rspec_version')) return self.driver.describe(urns, rspec_version, options) def Status (self, api, urns, creds, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return {} return self.driver.status (urns, options=options) def Allocate(self, api, xrn, creds, rspec_string, expiration, options): """ Allocate resources as described in a request RSpec argument to a slice with the named URN. """ call_id = options.get('call_id') if Callids().already_handled(call_id): return "" return self.driver.allocate(xrn, rspec_string, expiration, options) def Provision(self, api, xrns, creds, 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 "" # make sure geni_rspec_version is specified in options if 'geni_rspec_version' not in options: msg = 'geni_rspec_version is required and must be set in options struct' raise SfaInvalidArgument(msg, 'geni_rspec_version') # make sure we support the requested rspec version version_manager = VersionManager() rspec_version = version_manager.get_version(options['geni_rspec_version']) if not rspec_version: raise InvalidRSpecVersion(options['geni_rspec_version']) return self.driver.provision(xrns, options) def Delete(self, api, xrns, creds, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return True return self.driver.delete(xrns, options) def Renew(self, api, xrns, creds, expiration_time, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return True return self.driver.renew(xrns, expiration_time, options) def PerformOperationalAction(self, api, xrns, creds, action, options={}): call_id = options.get('call_id') if Callids().already_handled(call_id): return True return self.driver.perform_operational_action(xrns, action, options) def Shutdown(self, api, xrn, creds, options={}): call_id = options.get('call_id') if Callids().already_handled(call_id): return True return self.driver.shutdown(xrn, options)