X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fmanagers%2Fslice_manager.py;h=a6af10b33f0e534eb2441da920fc02847a94a081;hb=fd395e1944dcd49f10a4d5b27ce4983ad389fb96;hp=2a99b6f42dd3733fd7fd46b013348117b6d1847b;hpb=d59f8e0b663b71d8c349017d0ecb37cb6bc527a1;p=sfa.git diff --git a/sfa/managers/slice_manager.py b/sfa/managers/slice_manager.py index 2a99b6f4..a6af10b3 100644 --- a/sfa/managers/slice_manager.py +++ b/sfa/managers/slice_manager.py @@ -1,11 +1,10 @@ +# pylint: disable=c0111, c0103 + import sys import time import traceback -from StringIO import StringIO from copy import copy -from lxml import etree -from sfa.trust.sfaticket import SfaTicket from sfa.trust.credential import Credential from sfa.util.sfalogging import logger @@ -16,95 +15,108 @@ from sfa.util.cache import Cache from sfa.client.multiclient import MultiClient -from sfa.rspecs.rspec_converter import RSpecConverter from sfa.rspecs.version_manager import VersionManager -from sfa.rspecs.rspec import RSpec +from sfa.rspecs.rspec import RSpec -from sfa.client.client_helper import sfa_to_pg_users_arg from sfa.client.return_value import ReturnValue + class SliceManager: - # the cache instance is a class member so it survives across incoming requests + # the cache instance is a class member so it survives across incoming + # requests cache = None - def __init__ (self, config): - self.cache=None + def __init__(self, config): + self.cache = None if config.SFA_SM_CACHING: if SliceManager.cache is None: SliceManager.cache = Cache() self.cache = SliceManager.cache - + def GetVersion(self, api, options): # peers explicitly in aggregates.xml - peers =dict ([ (peername,interface.get_url()) for (peername,interface) in api.aggregates.iteritems() - if peername != api.hrn]) + peers = {peername: interface.get_url() + for (peername, interface) in api.aggregates.iteritems() + if peername != api.hrn} version_manager = VersionManager() ad_rspec_versions = [] request_rspec_versions = [] - cred_types = [{'geni_type': 'geni_sfa', 'geni_version': str(i)} for i in range(4)[-2:]] + cred_types = [{'geni_type': 'geni_sfa', + 'geni_version': str(i)} for i in range(4)[-2:]] 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()) - xrn=Xrn(api.hrn, 'authority+sm') + xrn = Xrn(api.hrn, 'authority+sm') version_more = { - 'interface':'slicemgr', + 'interface': 'slicemgr', 'sfa': 2, 'geni_api': 3, - 'geni_api_versions': {'3': 'http://%s:%s' % (api.config.SFA_SM_HOST, api.config.SFA_SM_PORT)}, - 'hrn' : xrn.get_hrn(), - 'urn' : xrn.get_urn(), + 'geni_api_versions': + {'3': 'https://%s:%s' + % (api.config.SFA_SM_HOST, api.config.SFA_SM_PORT)}, + 'hrn': xrn.get_hrn(), + 'urn': xrn.get_urn(), 'peers': peers, - '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. + # Accept operations that act on as subset of slivers in a given + # state. + 'geni_single_allocation': 0, + # Multiple slivers can exist and be incrementally added, including + # those which connect or overlap in some way. + 'geni_allocate': 'geni_many', 'geni_credential_types': cred_types, - } - sm_version=version_core(version_more) + } + sm_version = version_core(version_more) # local aggregate if present needs to have localhost resolved if api.hrn in api.aggregates: - local_am_url=api.aggregates[api.hrn].get_url() - sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname']) + local_am_url = api.aggregates[api.hrn].get_url() + sm_version['peers'][api.hrn] = local_am_url.replace( + 'localhost', sm_version['hostname']) return sm_version - + def drop_slicemgr_stats(self, rspec): try: stats_elements = rspec.xml.xpath('//statistics') for node in stats_elements: node.getparent().remove(node) - except Exception, e: - logger.warn("drop_slicemgr_stats failed: %s " % (str(e))) - - def add_slicemgr_stat(self, rspec, callname, aggname, elapsed, status, exc_info=None): + except Exception as e: + logger.warning("drop_slicemgr_stats failed: %s " % (str(e))) + + def add_slicemgr_stat(self, rspec, callname, aggname, + elapsed, status, exc_info=None): try: stats_tags = rspec.xml.xpath('//statistics[@call="%s"]' % callname) if stats_tags: stats_tag = stats_tags[0] else: - stats_tag = rspec.xml.root.add_element("statistics", call=callname) + stats_tag = rspec.xml.root.add_element( + "statistics", call=callname) - stat_tag = stats_tag.add_element("aggregate", name=str(aggname), - elapsed=str(elapsed), status=str(status)) + stat_tag = stats_tag.add_element( + "aggregate", name=str(aggname), + elapsed=str(elapsed), status=str(status)) if exc_info: - exc_tag = stat_tag.add_element("exc_info", name=str(exc_info[1])) - - # formats the traceback as one big text blob - #exc_tag.text = "\n".join(traceback.format_exception(exc_info[0], exc_info[1], exc_info[2])) + exc_tag = stat_tag.add_element( + "exc_info", name=str(exc_info[1])) # formats the traceback as a set of xml elements tb = traceback.extract_tb(exc_info[2]) for item in tb: - exc_frame = exc_tag.add_element("tb_frame", filename=str(item[0]), - line=str(item[1]), func=str(item[2]), code=str(item[3])) + exc_frame = exc_tag.add_element( + "tb_frame", filename=str(item[0]), + line=str(item[1]), func=str(item[2]), code=str(item[3])) + + except Exception as e: + logger.warning("add_slicemgr_stat failed on %s: %s" % + (aggname, str(e))) - except Exception, e: - logger.warn("add_slicemgr_stat failed on %s: %s" %(aggname, str(e))) - def ListResources(self, api, creds, options): - call_id = options.get('call_id') - if Callids().already_handled(call_id): return "" + call_id = options.get('call_id') + if Callids().already_handled(call_id): + return "" version_manager = VersionManager() @@ -114,35 +126,40 @@ class SliceManager: try: version = api.get_cached_server_version(server) # force ProtoGENI aggregates to give us a v2 RSpec - forward_options['geni_rspec_version'] = options.get('geni_rspec_version') + forward_options['geni_rspec_version'] = options.get( + 'geni_rspec_version') result = server.ListResources(credential, forward_options) - return {"aggregate": aggregate, "result": result, "elapsed": time.time()-tStart, "status": "success"} - except Exception, e: - api.logger.log_exc("ListResources failed at %s" %(server.url)) - return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception", "exc_info": sys.exc_info()} - + return {"aggregate": aggregate, "result": result, + "elapsed": time.time() - tStart, "status": "success"} + except Exception as e: + logger.log_exc("ListResources failed at %s" % (server.url)) + return {"aggregate": aggregate, "elapsed": time.time() - tStart, + "status": "exception", "exc_info": sys.exc_info()} + # get slice's hrn from options xrn = options.get('geni_slice_urn', '') (hrn, type) = urn_to_hrn(xrn) if 'geni_compressed' in options: del(options['geni_compressed']) - + # get the rspec's return format from options - rspec_version = version_manager.get_version(options.get('geni_rspec_version')) + rspec_version = version_manager.get_version( + options.get('geni_rspec_version')) version_string = "rspec_%s" % (rspec_version) - + # look in cache first cached_requested = options.get('cached', True) if not xrn and self.cache and cached_requested: - rspec = self.cache.get(version_string) + rspec = self.cache.get(version_string) if rspec: - api.logger.debug("SliceManager.ListResources returns cached advertisement") + logger.debug( + "SliceManager.ListResources returns cached advertisement") return rspec - + # get the callers hrn valid_cred = api.auth.checkCredentials(creds, 'listnodes', hrn)[0] caller_hrn = Credential(cred=valid_cred).get_gid_caller().get_hrn() - + # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: @@ -153,61 +170,69 @@ class SliceManager: # unless the caller is the aggregate's SM if caller_hrn == aggregate and aggregate != api.hrn: continue - + # get the rspec from the aggregate interface = api.aggregates[aggregate] server = api.server_proxy(interface, cred) multiclient.run(_ListResources, aggregate, server, [cred], options) - - + results = multiclient.get_results() - rspec_version = version_manager.get_version(options.get('geni_rspec_version')) - if xrn: - result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'manifest') - else: - result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'ad') + rspec_version = version_manager.get_version( + options.get('geni_rspec_version')) + if xrn: + result_version = version_manager._get_version( + rspec_version.type, rspec_version.version, 'manifest') + else: + result_version = version_manager._get_version( + rspec_version.type, rspec_version.version, 'ad') rspec = RSpec(version=result_version) for result in results: - self.add_slicemgr_stat(rspec, "ListResources", result["aggregate"], result["elapsed"], - result["status"], result.get("exc_info",None)) - if result["status"]=="success": + self.add_slicemgr_stat( + rspec, "ListResources", result["aggregate"], result["elapsed"], + result["status"], result.get("exc_info", None)) + if result["status"] == "success": res = result['result']['value'] try: rspec.version.merge(ReturnValue.get_value(res)) - except: - api.logger.log_exc("SM.ListResources: Failed to merge aggregate rspec") - + except Exception: + logger.log_exc( + "SM.ListResources: Failed to merge aggregate rspec") + # cache the result if self.cache and not xrn: - api.logger.debug("SliceManager.ListResources caches advertisement") + logger.debug("SliceManager.ListResources caches advertisement") self.cache.add(version_string, rspec.toxml()) - - return rspec.toxml() + return rspec.toxml() def Allocate(self, api, xrn, creds, rspec_str, expiration, options): call_id = options.get('call_id') - if Callids().already_handled(call_id): return "" - + if Callids().already_handled(call_id): + return "" + version_manager = VersionManager() + def _Allocate(aggregate, server, xrn, credential, rspec, options): tStart = time.time() try: # Need to call GetVersion at an aggregate to determine the supported # rspec type/format beofre calling CreateSliver at an Aggregate. #server_version = api.get_cached_server_version(server) - #if 'sfa' not in server_version and 'geni_api' in server_version: + # if 'sfa' not in server_version and 'geni_api' in server_version: # sfa aggregtes support both sfa and pg rspecs, no need to convert # if aggregate supports sfa rspecs. otherwise convert to pg rspec #rspec = RSpec(RSpecConverter.to_pg_rspec(rspec, 'request')) #filter = {'component_manager_id': server_version['urn']} - #rspec.filter(filter) + # rspec.filter(filter) #rspec = rspec.toxml() result = server.Allocate(xrn, credential, rspec, options) - return {"aggregate": aggregate, "result": result, "elapsed": time.time()-tStart, "status": "success"} + return {"aggregate": aggregate, "result": result, + "elapsed": time.time() - tStart, "status": "success"} except: - logger.log_exc('Something wrong in _Allocate with URL %s'%server.url) - return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception", "exc_info": sys.exc_info()} + logger.log_exc( + 'Something wrong in _Allocate with URL %s' % server.url) + return {"aggregate": aggregate, "elapsed": time.time() - tStart, + "status": "exception", "exc_info": sys.exc_info()} # Validate the RSpec against PlanetLab's schema --disabled for now # The schema used here needs to aggregate the PL and VINI schemas @@ -216,16 +241,16 @@ class SliceManager: # schema = None # if schema: # rspec.validate(schema) - + # if there is a section, the aggregates don't care about it, # so delete it. self.drop_slicemgr_stats(rspec) - + # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: cred = api.getCredential() - + # get the callers hrn hrn, type = urn_to_hrn(xrn) valid_cred = api.auth.checkCredentials(creds, 'createsliver', hrn)[0] @@ -233,54 +258,64 @@ class SliceManager: multiclient = MultiClient() for aggregate in api.aggregates: # prevent infinite loop. Dont send request back to caller - # unless the caller is the aggregate's SM + # unless the caller is the aggregate's SM if caller_hrn == aggregate and aggregate != api.hrn: continue interface = api.aggregates[aggregate] server = api.server_proxy(interface, cred) # Just send entire RSpec to each aggregate - multiclient.run(_Allocate, aggregate, server, xrn, [cred], rspec.toxml(), options) - + multiclient.run(_Allocate, aggregate, server, xrn, + [cred], rspec.toxml(), options) + results = multiclient.get_results() - manifest_version = version_manager._get_version(rspec.version.type, rspec.version.version, 'manifest') + manifest_version = version_manager._get_version( + rspec.version.type, rspec.version.version, 'manifest') result_rspec = RSpec(version=manifest_version) geni_urn = None geni_slivers = [] for result in results: - self.add_slicemgr_stat(result_rspec, "Allocate", result["aggregate"], result["elapsed"], - result["status"], result.get("exc_info",None)) - if result["status"]=="success": + self.add_slicemgr_stat( + result_rspec, "Allocate", result["aggregate"], result["elapsed"], + result["status"], result.get("exc_info", None)) + if result["status"] == "success": try: res = result['result']['value'] geni_urn = res['geni_urn'] - result_rspec.version.merge(ReturnValue.get_value(res['geni_rspec'])) + result_rspec.version.merge( + ReturnValue.get_value(res['geni_rspec'])) geni_slivers.extend(res['geni_slivers']) - except: - api.logger.log_exc("SM.Allocate: Failed to merge aggregate rspec") + except Exception: + logger.log_exc( + "SM.Allocate: Failed to merge aggregate rspec") return { 'geni_urn': geni_urn, 'geni_rspec': result_rspec.toxml(), 'geni_slivers': geni_slivers } - def Provision(self, api, xrn, creds, options): call_id = options.get('call_id') - if Callids().already_handled(call_id): return "" + if Callids().already_handled(call_id): + return "" version_manager = VersionManager() + def _Provision(aggregate, server, xrn, credential, options): tStart = time.time() try: # Need to call GetVersion at an aggregate to determine the supported - # rspec type/format beofre calling CreateSliver at an Aggregate. + # rspec type/format before calling CreateSliver at an + # Aggregate. server_version = api.get_cached_server_version(server) result = server.Provision(xrn, credential, options) - return {"aggregate": aggregate, "result": result, "elapsed": time.time()-tStart, "status": "success"} - except: - logger.log_exc('Something wrong in _Allocate with URL %s'%server.url) - return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception", "exc_info": sys.exc_info()} + return {"aggregate": aggregate, "result": result, + "elapsed": time.time() - tStart, "status": "success"} + except Exception: + logger.log_exc( + 'Something wrong in _Allocate with URL %s' % server.url) + return {"aggregate": aggregate, "elapsed": time.time() - tStart, + "status": "exception", "exc_info": sys.exc_info()} # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) @@ -299,45 +334,50 @@ class SliceManager: interface = api.aggregates[aggregate] server = api.server_proxy(interface, cred) # Just send entire RSpec to each aggregate - multiclient.run(_Provision, aggregate, server, xrn, [cred], options) + multiclient.run(_Provision, aggregate, + server, xrn, [cred], options) results = multiclient.get_results() - manifest_version = version_manager._get_version('GENI', '3', 'manifest') + manifest_version = version_manager._get_version( + 'GENI', '3', 'manifest') result_rspec = RSpec(version=manifest_version) geni_slivers = [] - geni_urn = None + geni_urn = None for result in results: - self.add_slicemgr_stat(result_rspec, "Provision", result["aggregate"], result["elapsed"], - result["status"], result.get("exc_info",None)) - if result["status"]=="success": + self.add_slicemgr_stat( + result_rspec, "Provision", result["aggregate"], result["elapsed"], + result["status"], result.get("exc_info", None)) + if result["status"] == "success": try: res = result['result']['value'] geni_urn = res['geni_urn'] - result_rspec.version.merge(ReturnValue.get_value(res['geni_rspec'])) + result_rspec.version.merge( + ReturnValue.get_value(res['geni_rspec'])) geni_slivers.extend(res['geni_slivers']) except: - api.logger.log_exc("SM.Provision: Failed to merge aggregate rspec") + logger.log_exc( + "SM.Provision: Failed to merge aggregate rspec") return { 'geni_urn': geni_urn, 'geni_rspec': result_rspec.toxml(), 'geni_slivers': geni_slivers - } - + } - def Renew(self, api, xrn, creds, expiration_time, options): call_id = options.get('call_id') - if Callids().already_handled(call_id): return True + if Callids().already_handled(call_id): + return True def _Renew(aggregate, server, xrn, creds, expiration_time, options): try: - result=server.Renew(xrn, creds, expiration_time, options) - if type(result)!=dict: + result = server.Renew(xrn, creds, expiration_time, options) + if type(result) != dict: result = {'code': {'geni_code': 0}, 'value': result} result['aggregate'] = aggregate return result except: - logger.log_exc('Something wrong in _Renew with URL %s'%server.url) + logger.log_exc( + 'Something wrong in _Renew with URL %s' % server.url) return {'aggregate': aggregate, 'exc_info': traceback.format_exc(), 'code': {'geni_code': -1}, 'value': False, 'output': ""} @@ -349,7 +389,7 @@ class SliceManager: # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: - cred = api.getCredential(minimumExpiration=31*86400) + cred = api.getCredential(minimumExpiration=31 * 86400) multiclient = MultiClient() for aggregate in api.aggregates: # prevent infinite loop. Dont send request back to caller @@ -358,25 +398,30 @@ class SliceManager: continue interface = api.aggregates[aggregate] server = api.server_proxy(interface, cred) - multiclient.run(_Renew, aggregate, server, xrn, [cred], expiration_time, options) + multiclient.run(_Renew, aggregate, server, xrn, + [cred], expiration_time, options) results = multiclient.get_results() geni_code = 0 - geni_output = ",".join([x.get('output',"") for x in results]) - geni_value = reduce (lambda x,y: x and y, [result.get('value',False) for result in results], True) + geni_output = ",".join([x.get('output', "") for x in results]) + geni_value = reduce(lambda x, y: x and y, + [result.get('value', False) for result in results], + True) for agg_result in results: - agg_geni_code = agg_result['code'].get('geni_code',0) + agg_geni_code = agg_result['code'].get('geni_code', 0) if agg_geni_code: geni_code = agg_geni_code - results = {'aggregates': results, 'code': {'geni_code': geni_code}, 'value': geni_value, 'output': geni_output} + results = {'aggregates': results, 'code': { + 'geni_code': geni_code}, 'value': geni_value, 'output': geni_output} return results def Delete(self, api, xrn, creds, options): call_id = options.get('call_id') - if Callids().already_handled(call_id): return "" + if Callids().already_handled(call_id): + return "" def _Delete(server, xrn, creds, options): return server.Delete(xrn, creds, options) @@ -399,20 +444,20 @@ class SliceManager: interface = api.aggregates[aggregate] server = api.server_proxy(interface, cred) multiclient.run(_Delete, server, xrn, [cred], options) - + results = [] for result in multiclient.get_results(): results += ReturnValue.get_value(result) return results - - + # first draft at a merging SliverStatus def Status(self, api, slice_xrn, creds, options): def _Status(server, xrn, creds, options): return server.Status(xrn, creds, options) - call_id = options.get('call_id') - if Callids().already_handled(call_id): return {} + call_id = options.get('call_id') + if Callids().already_handled(call_id): + return {} # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: @@ -421,36 +466,41 @@ class SliceManager: for aggregate in api.aggregates: interface = api.aggregates[aggregate] server = api.server_proxy(interface, cred) - multiclient.run (_Status, server, slice_xrn, [cred], options) - results = [ReturnValue.get_value(result) for result in multiclient.get_results()] - - # get rid of any void result - e.g. when call_id was hit, where by convention we return {} - results = [ result for result in results if result and result['geni_slivers']] - + multiclient.run(_Status, server, slice_xrn, [cred], options) + results = [ReturnValue.get_value(result) + for result in multiclient.get_results()] + + # get rid of any void result - e.g. when call_id was hit, where by + # convention we return {} + results = [ + result for result in results if result and result['geni_slivers']] + # do not try to combine if there's no result - if not results : return {} - + if not results: + return {} + # otherwise let's merge stuff geni_slivers = [] - geni_urn = None + geni_urn = None for result in results: try: geni_urn = result['geni_urn'] geni_slivers.extend(result['geni_slivers']) - except: - api.logger.log_exc("SM.Provision: Failed to merge aggregate rspec") + except Exception: + logger.log_exc( + "SM.Provision: Failed to merge aggregate rspec") return { 'geni_urn': geni_urn, 'geni_slivers': geni_slivers } - def Describe(self, api, creds, xrns, options): def _Describe(server, xrn, creds, options): return server.Describe(xrn, creds, options) call_id = options.get('call_id') - if Callids().already_handled(call_id): return {} + if Callids().already_handled(call_id): + return {} # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: @@ -459,39 +509,46 @@ class SliceManager: for aggregate in api.aggregates: interface = api.aggregates[aggregate] server = api.server_proxy(interface, cred) - multiclient.run (_Describe, server, xrns, [cred], options) - results = [ReturnValue.get_value(result) for result in multiclient.get_results()] + multiclient.run(_Describe, server, xrns, [cred], options) + results = [ReturnValue.get_value(result) + for result in multiclient.get_results()] - # get rid of any void result - e.g. when call_id was hit, where by convention we return {} - results = [ result for result in results if result and result.get('geni_urn')] + # get rid of any void result - e.g. when call_id was hit, where by + # convention we return {} + results = [ + result for result in results if result and result.get('geni_urn')] # do not try to combine if there's no result - if not results : return {} + if not results: + return {} # otherwise let's merge stuff version_manager = VersionManager() - manifest_version = version_manager._get_version('GENI', '3', 'manifest') + manifest_version = version_manager._get_version( + 'GENI', '3', 'manifest') result_rspec = RSpec(version=manifest_version) geni_slivers = [] - geni_urn = None + geni_urn = None for result in results: try: geni_urn = result['geni_urn'] - result_rspec.version.merge(ReturnValue.get_value(result['geni_rspec'])) + result_rspec.version.merge( + ReturnValue.get_value(result['geni_rspec'])) geni_slivers.extend(result['geni_slivers']) - except: - api.logger.log_exc("SM.Provision: Failed to merge aggregate rspec") + except Exception: + logger.log_exc( + "SM.Provision: Failed to merge aggregate rspec") return { 'geni_urn': geni_urn, - 'geni_rspec': result_rspec.toxml(), + 'geni_rspec': result_rspec.toxml(), 'geni_slivers': geni_slivers - } - + } + def PerformOperationalAction(self, api, xrn, creds, action, options): # get the callers hrn valid_cred = api.auth.checkCredentials(creds, 'createsliver', xrn)[0] caller_hrn = Credential(cred=valid_cred).get_gid_caller().get_hrn() - + # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: @@ -503,18 +560,20 @@ class SliceManager: if caller_hrn == aggregate and aggregate != api.hrn: continue interface = api.aggregates[aggregate] - server = api.server_proxy(interface, cred) - multiclient.run(server.PerformOperationalAction, xrn, [cred], action, options) - multiclient.get_results() + server = api.server_proxy(interface, cred) + multiclient.run(server.PerformOperationalAction, + xrn, [cred], action, options) + multiclient.get_results() return 1 - + def Shutdown(self, api, xrn, creds, options=None): - if options is None: options={} - xrn = Xrn(xrn) + if options is None: + options = {} + xrn = Xrn(xrn) # get the callers hrn valid_cred = api.auth.checkCredentials(creds, 'stopslice', xrn.hrn)[0] caller_hrn = Credential(cred=valid_cred).get_gid_caller().get_hrn() - + # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: @@ -528,6 +587,5 @@ class SliceManager: interface = api.aggregates[aggregate] server = api.server_proxy(interface, cred) multiclient.run(server.Shutdown, xrn.urn, cred) - multiclient.get_results() + multiclient.get_results() return 1 -