def DeleteSliver(api, xrn, creds, call_id):
def _DeleteSliver(server, xrn, creds, call_id):
server_version = api.get_cached_server_version(server)
args = [xrn, creds]
if _call_id_supported(api, server):
args.append(call_id)
return server.DeleteSliver(*args)
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
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.get_server(interface, cred)
threads.run(_DeleteSliver, server, xrn, [cred], call_id)
threads.get_results()
return 1
def ListSlices(api, creds, call_id):
def _ListSlices(server, creds, call_id):
server_version = api.get_cached_server_version(server)
args = [creds]
if _call_id_supported(api, server):
args.append(call_id)
return server.ListSlices(*args)
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
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.get_server(interface, cred)
threads.run(_ListSlices, server, [cred], 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 SliverStatus(api, slice_xrn, creds, call_id):
def _SliverStatus(server, xrn, creds, call_id):
server_version = api.get_cached_server_version(server)
args = [xrn, creds]
if _call_id_supported(api, server):
args.append(call_id)
return server.SliverStatus(*args)
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.get_server(interface, cred)
threads.run (_SliverStatus, server, slice_xrn, [cred], 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']
overall['pl_login'] = results[0]['pl_login']
# 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(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.get_server(interface, cred)
threads.run(server.Stop, xrn, cred)
threads.get_results()
return 1
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
cred = api.getDelegatedCredential(creds)
if not cred:
cred = 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
interface = api.aggregates[aggregate]
server = api.get_server(interface, cred)
threads.run(server.GetTicket, xrn, [cred], 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 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.
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)
# if there is a <statistics> section, the aggregates don't care about it,
# so delete it.
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.get_server(interface, cred)
# Just send entire RSpec to each aggregate
threads.run(_CreateSliver, aggregate, server, xrn, [cred], 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)
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()
# 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: