def Delete(self, api, xrn, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return ""
def _Delete(server, xrn, creds, options):
return server.Delete(xrn, creds, options)
(hrn, type) = urn_to_hrn(xrn[0])
# get the callers hrn
valid_cred = api.auth.checkCredentials(creds, 'deletesliver', 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:
cred = api.getCredential()
multiclient = MultiClient()
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)
multiclient.run(_Delete, server, xrn, [cred], options)
results = []
for result in multiclient.get_results():
results += ReturnValue.get_value(result)
return results
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'))
options['creds']=creds
return api.driver.describe(urns, rspec_version, options)
def Provision(self, api, xrn, creds, options):
call_id = options.get('call_id')
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.
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()}
# attempt to use delegated credential first
cred = api.getDelegatedCredential(creds)
if not cred:
cred = api.getCredential()
# get the callers hrn
valid_cred = api.auth.checkCredentials(creds, 'createsliver', xrn)[0]
caller_hrn = Credential(cred=valid_cred).get_gid_caller().get_hrn()
multiclient = MultiClient()
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
multiclient.run(_Provision, aggregate, server, xrn, [cred], options)
results = multiclient.get_results()
manifest_version = version_manager._get_version('GENI', '3', 'manifest')
result_rspec = RSpec(version=manifest_version)
geni_slivers = []
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":
try:
res = result['result']['value']
geni_urn = res['geni_urn']
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")
return {
'geni_urn': geni_urn,
'geni_rspec': result_rspec.toxml(),
'geni_slivers': geni_slivers
}
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 ""
options['creds']=creds
return api.driver.allocate(xrn, rspec_string, expiration, options)
def CreateSliver(self, api, slice_xrn, creds, rspec_string, users,
options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return ""
#TODO: create real CreateSliver response rspec
ret = self.create_slice(api, slice_xrn, creds, rspec_string, users)
if ret:
return self.get_rspec(api, creds, slice_xrn)
else:
return "<?xml version=\"1.0\" ?> <RSpec type=\"SFA\"> Error! </RSpec>"
def Renew(self, api, xrns, creds, expiration_time, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return True
# extend as long as possible
if options.get('geni_extend_alap'):
now = datetime.datetime.now()
requested = utcparse(expiration_time)
max = adjust_datetime(now, days=int(api.config.SFA_MAX_SLICE_RENEW))
if requested > max:
expiration_time = max
options['creds']=creds
return api.driver.renew(xrns, expiration_time, options)
def Renew(self, api, xrn, creds, expiration_time, options):
call_id = options.get('call_id')
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 = {'code': {'geni_code': 0}, 'value': result}
result['aggregate'] = aggregate
return result
except:
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': ""}
# get the callers hrn
valid_cred = api.auth.checkCredentials(creds, 'renewsliver', 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:
cred = api.getCredential(minimumExpiration=31*86400)
multiclient = MultiClient()
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)
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)
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 ListResources(self, api, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return ""
version_manager = VersionManager()
def _ListResources(aggregate, server, credential, options):
forward_options = copy(options)
tStart = time.time()
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')
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()}
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'])
options['creds']=creds
return api.driver.provision(xrns, options)
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 {}
# attempt to use delegated credential first
cred = api.getDelegatedCredential(creds)
if not cred:
cred = api.getCredential()
multiclient = MultiClient()
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()]
# 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 {}
# otherwise let's merge stuff
version_manager = VersionManager()
manifest_version = version_manager._get_version('GENI', '3', 'manifest')
result_rspec = RSpec(version=manifest_version)
geni_slivers = []
geni_urn = None
for result in results:
try:
geni_urn = result['geni_urn']
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")
return {
'geni_urn': geni_urn,
'geni_rspec': result_rspec.toxml(),
'geni_slivers': geni_slivers
}
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 api.driver.cache:
rspec = api.driver.cache.get(version_string)
if rspec:
logger.debug("%s.ListResources returning cached advertisement" % (api.driver.__module__))
return rspec
options['creds']=creds
rspec = api.driver.list_resources (rspec_version, options)
if api.driver.cache:
logger.debug("%s.ListResources stores advertisement in cache" % (api.driver.__module__))
api.driver.cache.add(version_string, rspec)
return rspec
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 {}
# attempt to use delegated credential first
cred = api.getDelegatedCredential(creds)
if not cred:
cred = api.getCredential()
multiclient = MultiClient()
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']]
# do not try to combine if there's no result
if not results : return {}
# otherwise let's merge stuff
geni_slivers = []
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")
return {
'geni_urn': geni_urn,
'geni_slivers': geni_slivers
}
def Status (self, api, urns, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return {}
options['creds']=creds
return api.driver.status (urns, options=options)
def Delete(self, api, xrns, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return True
options['creds']=creds
return api.driver.delete(xrns, options)
def PerformOperationalAction(self, api, xrns, creds, action, options={}):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return True
options['creds']=creds
return api.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
options['creds']=creds
return api.driver.shutdown(xrn, options)
def Allocate(self, api, xrn, creds, rspec_str, expiration, options):
call_id = options.get('call_id')
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:
# 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()
result = server.Allocate(xrn, credential, rspec, 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()}
# 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(cred=valid_cred).get_gid_caller().get_hrn()
multiclient = MultiClient()
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
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')
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":
try:
res = result['result']['value']
geni_urn = res['geni_urn']
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")
return {
'geni_urn': geni_urn,
'geni_rspec': result_rspec.toxml(),
'geni_slivers': geni_slivers
}
def ListResources(self, api, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return ""
# version_string = "rspec_%s" % (rspec_version.get_version_name())
slice_urn = options.get('geni_slice_urn')
return self.get_rspec(api, creds, slice_urn)
def DeleteSliver(self, api, xrn, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return ""
return self.delete_slice(api, xrn, creds)
def SliverStatus(self, api, slice_xrn, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return {}
return self.slice_status(api, slice_xrn, creds)
