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
# XX FIX ME: should merge result from multiple aggregates instead of
# calling aggregate implementation
from sfa.managers.aggregate_manager_pl import slice_status
+# 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.url
+ except:
+ sfa_logger().warning("GetVersion, falling back to xmlrpclib.ServerProxy internals")
+ return server._ServerProxy__host + server._ServerProxy__handler
+
def GetVersion(api):
- peers =dict ([ (peername,v._ServerProxy__host) for (peername,v) in api.aggregates.items()
+ # 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)
- return version_core({'interface':'slicemgr',
- 'hrn' : xrn.get_hrn(),
- 'urn' : xrn.get_urn(),
- 'peers': peers,
- })
+ sm_version=version_core({'interface':'slicemgr',
+ 'hrn' : xrn.get_hrn(),
+ 'urn' : xrn.get_urn(),
+ 'peers': peers,
+ })
+ # 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 CreateSliver(api, xrn, creds, rspec, users, call_id):
+
+ if Callids().already_handled(call_id): return ""
-def create_slice(api, xrn, creds, rspec, users):
hrn, type = urn_to_hrn(xrn)
# Validate the RSpec against PlanetLab's schema --disabled for now
# Just send entire RSpec to each aggregate
server = api.aggregates[aggregate]
- threads.run(server.CreateSliver, xrn, credential, rspec, users)
+ threads.run(server.CreateSliver, xrn, credential, rspec, users, call_id)
results = threads.get_results()
merged_rspec = merge_rspecs(results)
if not credential:
credential = api.getCredential()
threads = ThreadManager()
- for aggregate, aggregate_rspec in aggregate_rspecs.items():
+ 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:
api.cache.add('slices', slices)
return slices
-
-def get_rspec(api, creds, options):
-
+
+
+# Thierry : caching at the slicemgr level makes sense to some extent
+caching=True
+#caching=False
+def ListResources(api, creds, options, call_id):
+
+ if Callids().already_handled(call_id):
+ api.logger.info("%d received ListResources with known call_id %s"%(api.interface,call_id))
+ return ""
+
# get slice's hrn from options
xrn = options.get('geni_slice_urn', '')
- hrn, type = urn_to_hrn(xrn)
+ (hrn, type) = urn_to_hrn(xrn)
# get hrn of the original caller
origin_hrn = options.get('origin_hrn', None)
origin_hrn = Credential(string=creds).get_gid_caller().get_hrn()
# look in cache first
- if api.cache and not xrn:
+ if caching and api.cache and not xrn:
rspec = api.cache.get('nodes')
if rspec:
return rspec
- hrn, type = urn_to_hrn(xrn)
-
# get the callers hrn
valid_cred = api.auth.checkCredentials(creds, 'listnodes', hrn)[0]
caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
server = api.aggregates[aggregate]
my_opts = copy(options)
my_opts['geni_compressed'] = False
- threads.run(server.ListResources, credential, my_opts)
+ threads.run(server.ListResources, credential, my_opts, call_id)
#threads.run(server.get_resources, cred, xrn, origin_hrn)
results = threads.get_results()
merged_rspec = merge_rspecs(results)
# cache the result
- if api.cache and not xrn:
+ if caching and api.cache and not xrn:
api.cache.add('nodes', merged_rspec)
return merged_rspec
r = RSpec()
r.parseFile(sys.argv[1])
rspec = r.toDict()
- create_slice(None,'plc.princeton.tmacktestslice',rspec)
+ CreateSliver(None,'plc.princeton.tmacktestslice',rspec,'create-slice-tmacktestslice')
if __name__ == "__main__":
main()