def DeleteSliver(self, api, xrn, creds, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return "" def _DeleteSliver(server, xrn, creds, options): return server.DeleteSliver(xrn, creds, options) (hrn, type) = urn_to_hrn(xrn) # get the callers hrn valid_cred = api.auth.checkCredentials(creds, 'deletesliver', hrn)[0] caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn() # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: cred = api.getCredential() threads = ThreadManager() for aggregate in api.aggregates: # prevent infinite loop. Dont send request back to caller # 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) threads.run(_DeleteSliver, server, xrn, [cred], options) threads.get_results() return 1
def delete_instances(self, instance_name, tenant_name): def _delete_security_group(instance): security_group = instance.metadata.get('security_groups', '') if security_group: manager = SecurityGroup(self.driver) timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete start_time = time.time() instance_deleted = False while instance_deleted == False and (time.time() - start_time) < timeout: inst = self.driver.shell.nova_manager.servers.findall(id=instance.id) if not inst: instance_deleted = True time.sleep(1) manager.delete_security_group(security_group) thread_manager = ThreadManager() self.driver.shell.nova_manager.connect(tenant=tenant_name) instances = self.driver.shell.nova_manager.servers.findall(name=instance_name) for instance in instances: # destroy instance self.driver.shell.nova_manager.servers.delete(instance) # deleate this instance's security groups thread_manager.run(_delete_security_group, instance) return True
def RenewSliver(self, api, xrn, creds, expiration_time, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return True def _RenewSliver(aggregate, server, xrn, creds, expiration_time, options): try: result=server.RenewSliver(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 _RenewSliver with URL %s'%server.url) return {'aggregate': aggregate, 'exc_info': traceback.format_exc(), 'code': {'geni_code': -1}, 'value': False, 'output': ""} (hrn, urn_type) = urn_to_hrn(xrn) # get the callers hrn valid_cred = api.auth.checkCredentials(creds, 'renewsliver', hrn)[0] caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn() # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: cred = api.getCredential(minimumExpiration=31*86400) threads = ThreadManager() for aggregate in api.aggregates: # prevent infinite loop. Dont send request back to caller # 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) threads.run(_RenewSliver, aggregate, server, xrn, [cred], expiration_time, options) results = threads.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) for agg_result in results: 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} return results
def ListSlices(self, api, creds, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return [] def _ListSlices(server, creds, options): return server.ListSlices(creds, options) # look in cache first # xxx is this really frequent enough that it is worth being cached ? if self.cache: slices = self.cache.get('slices') if slices: api.logger.debug("SliceManager.ListSlices returns from cache") return slices # get the callers hrn valid_cred = api.auth.checkCredentials(creds, 'listslices', None)[0] caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn() # attempt to use delegated credential first cred= api.getDelegatedCredential(creds) if not cred: cred = api.getCredential() threads = ThreadManager() # fetch from aggregates for aggregate in api.aggregates: # prevent infinite loop. Dont send request back to caller # 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) threads.run(_ListSlices, server, [cred], options) # combime results results = [ReturnValue.get_value(result) for result in threads.get_results()] slices = [] for result in results: slices.extend(result) # cache the result if self.cache: api.logger.debug("SliceManager.ListSlices caches value") self.cache.add('slices', slices) return slices
def SliverStatus(self, api, slice_xrn, creds, options): def _SliverStatus(server, xrn, creds, options): return server.SliverStatus(xrn, creds, options) 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: cred = api.getCredential() threads = ThreadManager() for aggregate in api.aggregates: interface = api.aggregates[aggregate] server = api.server_proxy(interface, cred) threads.run (_SliverStatus, server, slice_xrn, [cred], options) results = [ReturnValue.get_value(result) for result in threads.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_resources']] # do not try to combine if there's no result if not results : return {} # otherwise let's merge stuff overall = {} # mmh, it is expected that all results carry the same urn overall['geni_urn'] = results[0]['geni_urn'] overall['pl_login'] = None for result in results: if result.get('pl_login'): overall['pl_login'] = result['pl_login'] break elif isinstance(result.get('value'), dict) and result['value'].get('pl_login'): overall['pl_login'] = result['value']['pl_login'] break # append all geni_resources overall['geni_resources'] = \ reduce (lambda x,y: x+y, [ result['geni_resources'] for result in results] , []) overall['status'] = 'unknown' if overall['geni_resources']: overall['status'] = 'ready' return overall
def stop_slice(self, api, xrn, creds): hrn, type = urn_to_hrn(xrn) # get the callers hrn valid_cred = api.auth.checkCredentials(creds, 'stopslice', hrn)[0] caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn() # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: cred = api.getCredential() threads = ThreadManager() for aggregate in api.aggregates: # prevent infinite loop. Dont send request back to caller # 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) threads.run(server.Stop, xrn, cred) threads.get_results() return 1
def GetTicket(self, api, xrn, creds, rspec, users, options): slice_hrn, type = urn_to_hrn(xrn) # get the netspecs contained within the clients rspec aggregate_rspecs = {} tree= etree.parse(StringIO(rspec)) elements = tree.findall('./network') for element in elements: aggregate_hrn = element.values()[0] aggregate_rspecs[aggregate_hrn] = rspec # get the callers hrn valid_cred = api.auth.checkCredentials(creds, 'getticket', slice_hrn)[0] caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn() # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: cred = api.getCredential() threads = ThreadManager() for (aggregate, aggregate_rspec) in aggregate_rspecs.iteritems(): # xxx sounds like using call_id here would be safer # prevent infinite loop. Dont send request back to caller # 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) threads.run(server.GetTicket, xrn, [cred], aggregate_rspec, users, options) results = threads.get_results() # gather information from each ticket rspec = None initscripts = [] slivers = [] object_gid = None for result in results: agg_ticket = SfaTicket(string=result) attrs = agg_ticket.get_attributes() if not object_gid: object_gid = agg_ticket.get_gid_object() if not rspec: rspec = RSpec(agg_ticket.get_rspec()) else: rspec.version.merge(agg_ticket.get_rspec()) initscripts.extend(attrs.get('initscripts', [])) slivers.extend(attrs.get('slivers', [])) # merge info attributes = {'initscripts': initscripts, 'slivers': slivers} # create a new ticket ticket = SfaTicket(subject = slice_hrn) ticket.set_gid_caller(api.auth.client_gid) ticket.set_issuer(key=api.key, subject=api.hrn) ticket.set_gid_object(object_gid) ticket.set_pubkey(object_gid.get_pubkey()) #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn)) ticket.set_attributes(attributes) ticket.set_rspec(rspec.toxml()) ticket.encode() ticket.sign() return ticket.save_to_string(save_parents=True)
def CreateSliver(self, api, xrn, creds, rspec_str, users, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return "" version_manager = VersionManager() def _CreateSliver(aggregate, server, xrn, credential, rspec, users, 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) requested_users = users 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 = rspec.toxml() requested_users = sfa_to_pg_users_arg(users) rspec = server.CreateSliver(xrn, credential, rspec, requested_users, options) return {"aggregate": aggregate, "rspec": rspec, "elapsed": time.time()-tStart, "status": "success"} except: logger.log_exc('Something wrong in _CreateSliver 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 # schema = "/var/www/html/schemas/pl.rng" rspec = RSpec(rspec_str) # schema = None # if schema: # rspec.validate(schema) # if there is a <statistics> 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] caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn() threads = ThreadManager() for aggregate in api.aggregates: # prevent infinite loop. Dont send request back to caller # 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 threads.run(_CreateSliver, aggregate, server, xrn, [cred], rspec.toxml(), users, options) results = threads.get_results() manifest_version = version_manager._get_version(rspec.version.type, rspec.version.version, 'manifest') result_rspec = RSpec(version=manifest_version) for result in results: self.add_slicemgr_stat(result_rspec, "CreateSliver", result["aggregate"], result["elapsed"], result["status"], result.get("exc_info",None)) if result["status"]=="success": try: result_rspec.version.merge(ReturnValue.get_value(result["rspec"])) except: api.logger.log_exc("SM.CreateSliver: Failed to merge aggregate rspec") return result_rspec.toxml()
cached_requested = options.get('cached', True) if not xrn and self.cache and cached_requested: rspec = self.cache.get(version_string) if rspec: api.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(string=valid_cred).get_gid_caller().get_hrn() # attempt to use delegated credential first cred = api.getDelegatedCredential(creds) if not cred: cred = api.getCredential() threads = ThreadManager() for aggregate in api.aggregates: # prevent infinite loop. Dont send request back to caller # 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) threads.run(_ListResources, aggregate, server, [cred], options) results = threads.get_results() rspec_version = version_manager.get_version(options.get('geni_rspec_version')) if xrn: