except Exception as e:
pass
request_resources()
#NETResourcesView.load_topology()
NETManagersView.CRS_DISABLE=options.CRS_DISABLE
NETManagersView.IGNORE_IRMS=options.IGNORE_IRMS
NETManagersView.CRS_HOST = options.CRS_HOST
NETManagersView.CRS_PORT = options.CRS_PORT
NETManagersView.PORT = options.PORT
log = logging.getLogger('werkzeug')
log.setLevel(logging.ERROR)
if not NETManagersView.CRS_DISABLE:
NETManagersView.register_crs()
print "running..."
mgr.run(options.PORT)
def _create_reservation(self, scheduler, alloc_req, alloc_constraints, monitor):
NETManagersView.expect_ready_manager()
groups = {}
#print "alloc_req=", json.dumps(alloc_req)
#print "monitor=", monitor
NETResourcesView()._get_alloc_spec()
# first check that we can support all allocation requests
for req in alloc_req:
if req["Type"] not in NETReservationsView.SupportedTypes:
raise Exception("Do not support allocation request type: %s!" % req["Type"])
# add original order, so that we do not lose it when we sort
n = 1
for elem in alloc_req:
elem['pos'] = n
n = n + 1
# sort the allocation requests
salloc_req = sorted(alloc_req, key=lambda x: NETReservationsView.SupportedTypes[x["Type"]])
#print "salloc_req=", json.dumps(salloc_req)
reservations=[]
rollback = False
error_msg = ""
try:
for req in salloc_req:
if req["Type"] in NETResourcesView.ManagersTypes:
manager = NETManagersView.managers[NETResourcesView.ManagersTypes[req["Type"]]]
else:
manager = None
if req["Type"] == "PublicIP" and "Attributes" in req and "VM" in req["Attributes"] and \
req["Attributes"]["VM"] in groups:
req["Attributes"]["VM"] = groups[req["Attributes"]["VM"]]["resID"]
if req["Type"] == "Link" and "Attributes" in req and "Source" in req["Attributes"] and \
req["Attributes"]["Source"] in groups:
req["Attributes"]["Source"] = groups[req["Attributes"]["Source"]]["ID"]
if req["Type"] == "Link" and "Attributes" in req and "Target" in req["Attributes"] and \
req["Attributes"]["Target"] in groups:
req["Attributes"]["Target"] = groups[req["Attributes"]["Target"]]["ID"]
if manager != None:
ret = post({"Allocation": [req], "Monitor": monitor}, "createReservation", \
manager["Port"], manager["Address"])
elif req["Type"] == "Link":
topology = NETResourcesView.Topology
id = link_create_reservation(topology["links"], topology["paths"], topology["link_list"],\
NETReservationsView.LinkReservations, req)
ret = { "result": { "ReservationID": [id] }}
else:
raise Exception("internal error: type %s not supported!" % req["Type"])
if "result" in ret and "ReservationID" in ret["result"]:
rID = ret["result"]["ReservationID"]
if len(rID) != 1:
raise Exception("Wrong reservation ID (%s), expecting one element; manager info: %s" % (str(rID), str(manager)))
if "Group" in req:
groups[req["Group"]] = {"resID": rID[0] } # reservation ID
if "ID" in req:
groups[req["Group"]]["ID"] = req["ID"] # ID of the physical resource
if manager:
reservations.append({ "addr": manager["Address"], "port": manager["Port"], \
"name": manager["Name"], "ManagerID": manager["ManagerID"], \
"iRes": rID, "pos": req["pos"], "type": req["Type"] })
else:
reservations.append({ "addr": None, "port": None, \
"name": "IRM-NET", "ManagerID": None, \
"iRes": rID, "pos": req["pos"], "type": req["Type"] })
else:
raise Exception("internal error: %s" % str(ret))
except Exception as e:
print "rolling back! " + str(e)
error_msg = str(e)
rollback = True
if not rollback:
resID = uuid.uuid1()
ReservationsView.reservations[str(resID)] = reservations
else:
for iResID in reservations[::-1]:
print "backtracking...%s" % str(iResID)
data = {"ReservationID": iResID["iRes"]}
try:
hresman.utils.delete_(data, 'releaseReservation', iResID["port"], iResID["addr"])
except:
pass
raise Exception("cannot make reservation! (rollbacking): %s" % error_msg)
return { "ReservationID" : [str(resID)] }
def _create_reservation(self, scheduler, alloc_req, alloc_constraints,
monitor):
NETManagersView.expect_ready_manager()
groups = {}
#print "alloc_req=", json.dumps(alloc_req)
#print "monitor=", monitor
NETResourcesView()._get_alloc_spec()
# first check that we can support all allocation requests
for req in alloc_req:
if req["Type"] not in NETReservationsView.SupportedTypes:
raise Exception("Do not support allocation request type: %s!" %
req["Type"])
# add original order, so that we do not lose it when we sort
n = 1
for elem in alloc_req:
elem['pos'] = n
n = n + 1
# sort the allocation requests
salloc_req = sorted(
alloc_req,
key=lambda x: NETReservationsView.SupportedTypes[x["Type"]])
#print "salloc_req=", json.dumps(salloc_req)
reservations = []
rollback = False
error_msg = ""
try:
for req in salloc_req:
if req["Type"] in NETResourcesView.ManagersTypes:
manager = NETManagersView.managers[
NETResourcesView.ManagersTypes[req["Type"]]]
else:
manager = None
if req["Type"] == "PublicIP" and "Attributes" in req and "VM" in req["Attributes"] and \
req["Attributes"]["VM"] in groups:
req["Attributes"]["VM"] = groups[req["Attributes"]
["VM"]]["resID"]
if req["Type"] == "Link" and "Attributes" in req and "Source" in req["Attributes"] and \
req["Attributes"]["Source"] in groups:
req["Attributes"]["Source"] = groups[req["Attributes"]
["Source"]]["ID"]
if req["Type"] == "Link" and "Attributes" in req and "Target" in req["Attributes"] and \
req["Attributes"]["Target"] in groups:
req["Attributes"]["Target"] = groups[req["Attributes"]
["Target"]]["ID"]
if manager != None:
ret = post({"Allocation": [req], "Monitor": monitor}, "createReservation", \
manager["Port"], manager["Address"])
elif req["Type"] == "Link":
topology = NETResourcesView.Topology
id = link_create_reservation(topology["links"], topology["paths"], topology["link_list"],\
NETReservationsView.LinkReservations, req)
ret = {"result": {"ReservationID": [id]}}
else:
raise Exception("internal error: type %s not supported!" %
req["Type"])
if "result" in ret and "ReservationID" in ret["result"]:
rID = ret["result"]["ReservationID"]
if len(rID) != 1:
raise Exception(
"Wrong reservation ID (%s), expecting one element; manager info: %s"
% (str(rID), str(manager)))
if "Group" in req:
groups[req["Group"]] = {
"resID": rID[0]
} # reservation ID
if "ID" in req:
groups[req["Group"]]["ID"] = req[
"ID"] # ID of the physical resource
if manager:
reservations.append({ "addr": manager["Address"], "port": manager["Port"], \
"name": manager["Name"], "ManagerID": manager["ManagerID"], \
"iRes": rID, "pos": req["pos"], "type": req["Type"] })
else:
reservations.append({ "addr": None, "port": None, \
"name": "IRM-NET", "ManagerID": None, \
"iRes": rID, "pos": req["pos"], "type": req["Type"] })
else:
raise Exception("internal error: %s" % str(ret))
except Exception as e:
print "rolling back! " + str(e)
error_msg = str(e)
rollback = True
if not rollback:
resID = uuid.uuid1()
ReservationsView.reservations[str(resID)] = reservations
else:
for iResID in reservations[::-1]:
print "backtracking...%s" % str(iResID)
data = {"ReservationID": iResID["iRes"]}
try:
hresman.utils.delete_(data, 'releaseReservation',
iResID["port"], iResID["addr"])
except:
pass
raise Exception("cannot make reservation! (rollbacking): %s" %
error_msg)
return {"ReservationID": [str(resID)]}
