-#
-import sys
-import time,datetime
-from StringIO import StringIO
-from types import StringTypes
-from copy import deepcopy
-from copy import copy
-from lxml import etree
-
-from sfa.util.sfalogging import logger
-#from sfa.util.sfalogging import sfa_logger
-#from sfa.util.rspecHelper import merge_rspecs
-from sfa.util.xrn import Xrn, urn_to_hrn, hrn_to_urn
-from sfa.util.plxrn import hrn_to_pl_slicename
-#from sfa.util.rspec import *
-#from sfa.util.specdict import *
-from sfa.util.faults import *
-from sfa.util.record import SfaRecord
-#from sfa.rspecs.pg_rspec import PGRSpec
-#from sfa.rspecs.sfa_rspec import SfaRSpec
-from sfa.rspecs.rspec_converter import RSpecConverter
-#from sfa.rspecs.rspec_parser import parse_rspec
-#from sfa.rspecs.rspec_version import RSpecVersion
-#from sfa.rspecs.sfa_rspec import sfa_rspec_version
-#from sfa.rspecs.pg_rspec import pg_rspec_ad_version, pg_rspec_request_version
-from sfa.client.client_helper import sfa_to_pg_users_arg
-from sfa.rspecs.version_manager import VersionManager
-
-#from sfa.rspecs.rspec import RSpec
-from sfa.util.policy import Policy
-from sfa.util.prefixTree import prefixTree
-#from sfa.util.sfaticket import *
-from sfa.trust.credential import Credential
-#from sfa.util.threadmanager import ThreadManager
-#import sfa.util.xmlrpcprotocol as xmlrpcprotocol
-#import sfa.plc.peers as peers
-from sfa.util.version import version_core
-from sfa.util.callids import Callids
-#from sfa.senslab.api import *
-
-
-#api=SfaAPI(interface='slicemgr')
-
-def _call_id_supported(api, server):
- """
- Returns true if server support the optional call_id arg, false otherwise.
- """
- server_version = api.get_cached_server_version(server)
-
- if 'sfa' in server_version:
- code_tag = server_version['code_tag']
- code_tag_parts = code_tag.split("-")
-
- version_parts = code_tag_parts[0].split(".")
- major, minor = version_parts[0:2]
- rev = code_tag_parts[1]
- if int(major) > 1:
- if int(minor) > 0 or int(rev) > 20:
- return True
- return False
-
-# we have specialized xmlrpclib.ServerProxy to remember the input url
-# OTOH it's not clear if we're only dealing with XMLRPCServerProxy instances
-def get_serverproxy_url (server):
- try:
- return server.get_url()
- except:
- logger.warning("GetVersion, falling back to xmlrpclib.ServerProxy internals")
- return server._ServerProxy__host + server._ServerProxy__handler
-
-def GetVersion(api):
- # peers explicitly in aggregates.xml
- peers =dict ([ (peername,get_serverproxy_url(v)) for (peername,v) in api.aggregates.iteritems()
- if peername != api.hrn])
- 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())
- default_rspec_version = version_manager.get_version("sfa 1").to_dict()
- xrn=Xrn(api.hrn, 'authority+sa')
- version_more = {'interface':'slicemgr',
- 'hrn' : xrn.get_hrn(),
- 'urn' : xrn.get_urn(),
- 'peers': peers,
- 'request_rspec_versions': request_rspec_versions,
- 'ad_rspec_versions': ad_rspec_versions,
- 'default_ad_rspec': default_rspec_version
- }
- sm_version=version_core(version_more)
- # local aggregate if present needs to have localhost resolved
- if api.hrn in api.aggregates:
- local_am_url=get_serverproxy_url(api.aggregates[api.hrn])
- sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
- return sm_version
-
-
-#def GetVersion(api):
- ## peers explicitly in aggregates.xml
- #peers =dict ([ (peername,get_serverproxy_url(v)) for (peername,v) in api.aggregates.iteritems()
- #if peername != api.hrn])
- #xrn=Xrn (api.hrn)
- #request_rspec_versions = [dict(pg_rspec_request_version), dict(sfa_rspec_version)]
- #ad_rspec_versions = [dict(pg_rspec_ad_version), dict(sfa_rspec_version)]
- #version_more = {'interface':'slicemgr',
- #'hrn' : xrn.get_hrn(),
- #'urn' : xrn.get_urn(),
- #'peers': peers,
- #'request_rspec_versions': request_rspec_versions,
- #'ad_rspec_versions': ad_rspec_versions,
- #'default_ad_rspec': dict(sfa_rspec_version)
- #}
- #sm_version=version_core(version_more)
- ## local aggregate if present needs to have localhost resolved
- #if api.hrn in api.aggregates:
- #local_am_url=get_serverproxy_url(api.aggregates[api.hrn])
- #sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
- #return sm_version
-
-
-def drop_slicemgr_stats(api,rspec):
- try:
- stats_elements = rspec.xml.xpath('//statistics')
- for node in stats_elements:
- node.getparent().remove(node)
- except Exception, e:
- api.logger.warn("drop_slicemgr_stats failed: %s " % (str(e)))
-
-
-
-
-def CreateSliver(api, xrn, creds, rspec_str, users, call_id):
-
- version_manager = VersionManager()
- def _CreateSliver(aggregate, server, xrn, credential, rspec, users, call_id):
-
- tStart = time.time()
- try:
- # Need to call GetVersion at an aggregate to determine the supported
- # rspec type/format beofre calling CreateSliver at an Aggregate.
- print>>sys.stderr, " \r\n SLICE MANAGERSLAB _CreateSliver server "
- 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)
- args = [xrn, credential, rspec, requested_users]
- if _call_id_supported(api, server):
- args.append(call_id)
- rspec = server.CreateSliver(*args)
- 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"}
-
-
- if Callids().already_handled(call_id): return ""
-
- # 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)
-
- print>>sys.stderr, " \r\n \r\n \t\t =======SLICE MANAGER _CreateSliver api %s" %(api)
- # if there is a <statistics> section, the aggregates don't care about it,
- # so delete it.
- drop_slicemgr_stats(api,rspec)
-
- # attempt to use delegated credential first
- credential = api.getDelegatedCredential(creds)
- if not credential:
- credential = 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()
- print>>sys.stderr, " \r\n \r\n \t\t =======SLICE MANAGER _CreateSliver api aggregates %s \t caller_hrn %s api.hrn %s" %(api.aggregates, caller_hrn, api.hrn)
- 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]
- print>>sys.stderr, " \r\n \r\n \t\t =======SLICE MANAGER _CreateSliver aggregate %s interface %s" %(api.aggregates[aggregate],interface)
- server = api.get_server(interface, credential)
- if server is None:
- print>>sys.stderr, " \r\n \r\n \t\t =======SLICE MANAGER _CreateSliver NOSERVERS "
- # Just send entire RSpec to each aggregate
- #threads.run(_CreateSliver, aggregate, xrn, [credential], rspec.toxml(), users, call_id)
- threads.run(_CreateSliver, aggregate, server, xrn, [credential], rspec.toxml(), users, call_id)
- results = threads.get_results()
- manifest_version = version_manager._get_version(rspec.version.type, rspec.version.version, 'manifest')
- result_rspec = RSpec(version=manifest_version)
- #rspec = SfaRSpec()
- for result in results:
- add_slicemgr_stat(result_rspec, "CreateSliver", result["aggregate"], result["elapsed"], result["status"])
- if result["status"]=="success":
- try:
- result_rspec.version.merge(result["rspec"])
- except:
- api.logger.log_exc("SM.CreateSliver: Failed to merge aggregate rspec")
- return result_rspec.toxml()
- #rspec.merge(result)
- #return rspec.toxml()
-
-def RenewSliver(api, xrn, creds, expiration_time, call_id):
- if Callids().already_handled(call_id): return True
-
- (hrn, 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
- credential = api.getDelegatedCredential(creds)
- if not credential:
- credential = 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
-
- server = api.aggregates[aggregate]
- threads.run(server.RenewSliver, xrn, [credential], expiration_time, call_id)
- # 'and' the results
- return reduce (lambda x,y: x and y, threads.get_results() , True)
-
-def get_ticket(api, xrn, creds, rspec, users):
- 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
- credential = api.getDelegatedCredential(creds)
- if not credential:
- credential = api.getCredential()
- threads = ThreadManager()
- for (aggregate, aggregate_rspec) in aggregate_rspecs.iteritems():
- # 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
- server = None
- if aggregate in api.aggregates:
- server = api.aggregates[aggregate]
- else:
- net_urn = hrn_to_urn(aggregate, 'authority')
- # we may have a peer that knows about this aggregate
- for agg in api.aggregates:
- target_aggs = api.aggregates[agg].get_aggregates(credential, net_urn)
- if not target_aggs or not 'hrn' in target_aggs[0]:
- continue
- # send the request to this address
- url = target_aggs[0]['url']
- server = xmlrpcprotocol.get_server(url, api.key_file, api.cert_file)
- # aggregate found, no need to keep looping
- break
- if server is None:
- continue
- threads.run(server.ParseTicket, xrn, credential, aggregate_rspec, users)
-
- results = threads.get_results()
-
- # gather information from each ticket
- rspecs = []
- 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()
- rspecs.append(agg_ticket.get_rspec())
- initscripts.extend(attrs.get('initscripts', []))
- slivers.extend(attrs.get('slivers', []))
-
- # merge info
- attributes = {'initscripts': initscripts,
- 'slivers': slivers}
- merged_rspec = merge_rspecs(rspecs)
-
- # 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(merged_rspec)
- ticket.encode()
- ticket.sign()
- return ticket.save_to_string(save_parents=True)
-
-
-def DeleteSliver(api, xrn, creds, call_id):
- if Callids().already_handled(call_id): return ""
- (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
- credential = api.getDelegatedCredential(creds)
- if not credential:
- credential = 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
- server = api.aggregates[aggregate]
- threads.run(server.DeleteSliver, xrn, credential, call_id)
- threads.get_results()
- return 1
-
-def start_slice(api, xrn, creds):
- hrn, type = urn_to_hrn(xrn)
-
- # get the callers hrn
- valid_cred = api.auth.checkCredentials(creds, 'startslice', hrn)[0]
- caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
-
- # attempt to use delegated credential first
- credential = api.getDelegatedCredential(creds)
- if not credential:
- credential = 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
- server = api.aggregates[aggregate]
- threads.run(server.Start, xrn, credential)
- threads.get_results()
- return 1
-
-def stop_slice(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
- credential = api.getDelegatedCredential(creds)
- if not credential:
- credential = 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
- server = api.aggregates[aggregate]
- threads.run(server.Stop, xrn, credential)
- threads.get_results()
- return 1
-
-def reset_slice(api, xrn):
- """
- Not implemented
- """
- return 1
-
-def shutdown(api, xrn, creds):
- """
- Not implemented
- """
- return 1
-
-def status(api, xrn, creds):
- """
- Not implemented
- """
- return 1
-
-# Thierry : caching at the slicemgr level makes sense to some extent
-#caching=True
-caching=False
-def ListSlices(api, creds, call_id):
-
- if Callids().already_handled(call_id): return []
-
- # look in cache first
- if caching and api.cache:
- slices = api.cache.get('slices')
- if slices:
- 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
- credential = api.getDelegatedCredential(creds)
- if not credential:
- credential = 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
- server = api.aggregates[aggregate]
- threads.run(server.ListSlices, credential, call_id)
-
- # combime results
- results = threads.get_results()
- slices = []
- for result in results:
- slices.extend(result)
-
- # cache the result
- if caching and api.cache:
- api.cache.add('slices', slices)
-
- return slices
-
-def add_slicemgr_stat(rspec, callname, aggname, elapsed, status):
- try:
- stats_tags = rspec.xml.xpath('//statistics[@call="%s"]' % callname)
- if stats_tags:
- stats_tag = stats_tags[0]
- else:
- stats_tag = etree.SubElement(rspec.xml.root, "statistics", call=callname)
-
- etree.SubElement(stats_tag, "aggregate", name=str(aggname), elapsed=str(elapsed), status=str(status))
- except Exception, e:
- api.logger.warn("add_slicemgr_stat failed on %s: %s" %(aggname, str(e)))
-
-
-
-
-def ListResources(api, creds, options, call_id):
- version_manager = VersionManager()
- def _ListResources(aggregate, server, credential, opts, call_id):
-
- my_opts = copy(opts)
- args = [credential, my_opts]
- tStart = time.time()
- try:
- if _call_id_supported(api, server):
- args.append(call_id)
- version = api.get_cached_server_version(server)
- # force ProtoGENI aggregates to give us a v2 RSpec
- if 'sfa' not in version.keys():
- my_opts['rspec_version'] = version_manager.get_version('ProtoGENI 2').to_dict()
- rspec = server.ListResources(*args)
- return {"aggregate": aggregate, "rspec": rspec, "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"}
-
- if Callids().already_handled(call_id): return ""
-
- # 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('rspec_version'))
- version_string = "rspec_%s" % (rspec_version.to_string())
-
- # look in cache first
- if caching and api.cache and not xrn:
- rspec = api.cache.get(version_string)
- if rspec:
- 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.get_server(interface, cred)
- threads.run(_ListResources, aggregate, server, [cred], options, call_id)
-
-
- results = threads.get_results()
- rspec_version = version_manager.get_version(options.get('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:
- add_slicemgr_stat(rspec, "ListResources", result["aggregate"], result["elapsed"], result["status"])
- if result["status"]=="success":
- try:
- rspec.version.merge(result["rspec"])
- except:
- api.logger.log_exc("SM.ListResources: Failed to merge aggregate rspec")
-
- # cache the result
- if caching and api.cache and not xrn:
- api.cache.add(version_string, rspec.toxml())
-
- print >>sys.stderr, "\r\n slice_manager \r\n" , rspec
- return rspec.toxml()
-
-#def ListResources(api, creds, options, call_id):
-
- #if Callids().already_handled(call_id): return ""
-
- ## get slice's hrn from options
- #xrn = options.get('geni_slice_urn', '')
- #(hrn, type) = urn_to_hrn(xrn)
- #print >>sys.stderr, " SM_ListResources xrn " , xrn
- ##print >>sys.stderr, " SM ListResources api.__dict__ " , api.__dict__.keys()
- ##print >>sys.stderr, " SM ListResources dir(api)" , dir(api)
- #print >>sys.stderr, " \r\n avant RspecVersion \r\n \r\n"
- ## get the rspec's return format from options
- #rspec_version = RSpecVersion(options.get('rspec_version'))
- #print >>sys.stderr, " \r\n \r\n ListResources RSpecVersion ", rspec_version
- #version_string = "rspec_%s" % (rspec_version.get_version_name())
-
- ##panos adding the info option to the caching key (can be improved)
- #if options.get('info'):
- #version_string = version_string + "_"+options.get('info')
-
- #print>>sys.stderr,"version string = ",version_string
-
- ## look in cache first
- #if caching and api.cache and not xrn:
- #print>>sys.stderr," \r\n caching %s and api.cache %s and not xrn %s"%(caching , api.cache,xrn)
- #rspec = api.cache.get(version_string)
- #if rspec:
- #return rspec
-
- ## get the callers hrn
- #print >>sys.stderr, " SM ListResources get the callers hrn "
- #valid_cred = api.auth.checkCredentials(creds, 'listnodes', hrn)[0]
- #caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
- #print >>sys.stderr, " \r\n SM ListResources get the callers caller_hrn hrn %s "%(caller_hrn)
- ## attempt to use delegated credential first
- #credential = api.getDelegatedCredential(creds)
- #print >>sys.stderr, " \r\n SM ListResources get the callers credential %s "%(credential)
- #if not credential:
- #credential = api.getCredential()
- #threads = ThreadManager()
- #print >>sys.stderr, " \r\n SM ListResources get the callers api.aggregates %s "%(api.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
- ## get the rspec from the aggregate
- #server = api.aggregates[aggregate]
- #print >>sys.stderr, " Slice Mgr ListResources, server" ,server
- #my_opts = copy(options)
- #my_opts['geni_compressed'] = False
- #threads.run(server.ListResources, credential, my_opts, call_id)
- #print >>sys.stderr, "\r\n !!!!!!!!!!!!!!!! \r\n"
- #results = threads.get_results()
- ##results.append(open('/root/protogeni.rspec', 'r').read())
- #rspec_version = RSpecVersion(my_opts.get('rspec_version'))
- #if rspec_version['type'].lower() == 'protogeni':
- #rspec = PGRSpec()
- #else:
- #rspec = SfaRSpec()
-
- #for result in results:
- #print >>sys.stderr, "\r\n slice_manager result" , result
- #try:
- #print >>sys.stderr, "avant merge" , rspec
- #rspec.merge(result)
- #print >>sys.stderr, "AFTERMERGE" , rspec
- #except:
- #raise
- #api.logger.info("SM.ListResources: Failed to merge aggregate rspec")
-
- ## cache the result
- #if caching and api.cache and not xrn:
- #api.cache.add(version_string, rspec.toxml())
-
- #print >>sys.stderr, "\r\n slice_manager \r\n" , rspec
- #return rspec.toxml()
-
-# first draft at a merging SliverStatus
-def SliverStatus(api, slice_xrn, creds, call_id):
- if Callids().already_handled(call_id): return {}
- # attempt to use delegated credential first
- credential = api.getDelegatedCredential(creds)
- if not credential:
- credential = api.getCredential()
- threads = ThreadManager()
- for aggregate in api.aggregates:
- server = api.aggregates[aggregate]
- threads.run (server.SliverStatus, slice_xrn, credential, call_id)
- results = 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']
-
- # consolidate geni_status - simple model using max on a total order
- states = [ 'ready', 'configuring', 'failed', 'unknown' ]
- # hash name to index
- shash = dict ( zip ( states, range(len(states)) ) )
- def combine_status (x,y):
- return shash [ max (shash(x),shash(y)) ]
- overall['geni_status'] = reduce (combine_status, [ result['geni_status'] for result in results], 'ready' )
-
- # {'ready':0,'configuring':1,'failed':2,'unknown':3}
- # append all geni_resources
- overall['geni_resources'] = \
- reduce (lambda x,y: x+y, [ result['geni_resources'] for result in results] , [])
-
- return overall
-
-def main():
- r = RSpec()
- r.parseFile(sys.argv[1])
- rspec = r.toDict()
- CreateSliver(None,'plc.princeton.tmacktestslice',rspec,'create-slice-tmacktestslice')
-
-if __name__ == "__main__":
- main()
-