def _get_metrics(self, reservID, address, entry):
#managers = copy.copy(crs_managers_view.CRSManagersView.managers)
reservations = crs_reservations_view.CRSReservationsView.reservations
if reservID not in reservations:
raise Exception("cannot find reservation: " + reservID)
resData = reservations[reservID]
print "resData=", json.dumps(resData, indent=4)
ret = {}
for rd in resData:
r = post({"ReservationID": rd['iRes']}, "checkReservation",
rd['port'], rd['addr'])
if "result" not in r:
raise Exception(
"error extracting address from reservationID: ", reservID)
print "r['result'] =", json.dumps(r["result"], indent=4)
instances = r["result"]["Instances"]
for i in instances:
status = instances[i]["Ready"]
if type(status) is bool:
status = "TRUE"
if status.upper() == "FALSE":
raise Exception("Reservation: " + i + " not ready!")
for addr in instances[i]["Address"]:
if address == "" or addr == address:
print str({
"ReservationID": i,
"Address": addr,
"Entry": entry
})
r=post({ "ReservationID": i, "Address": addr, "Entry": entry }, "getMetrics",\
rd['port'], rd['addr'])
if "result" not in r:
raise Exception("Cannot get metrics: " + str(r))
ret[addr] = r["result"]["Metrics"]
return {"Metrics": ret}
raise Exception("Cannot find address for reservation: " + reservID)
def _get_metrics(self, reservID, address, entry):
try:
ret = post(
{
"ReservationID": reservID,
"Address": address,
"Entry": entry
}, "getResourceValueStore", 12000, self.config['ORCH_IP'])
return {"Metrics": ret}
except:
raise Exception("Cannot connect monitoring agent!")
def register_monitor(data, IP, IP_IB, rID):
try:
if 'DFECluster' not in data:
return
req_metrics = copy.deepcopy(data['DFECluster'])
for metric in req_metrics:
if metric == "DFE_UTILISATION":
req_metrics[metric]['command'] = "maxtop -r %s^%s -v | grep \"FPGA usage\"" \
" | gawk '{ sub(\"%%\", \"\", $3); sum += $3; n++ } END" \
" { if (n > 0) print sum /n;}'" % (rID, IP_IB)
elif metric == "DFE_POWER":
req_metrics[metric]['command'] = "maxtop -r %s^%s -v | grep \"Power usage\"" \
" | gawk '{ sum += $3; n++ } END" \
" { if (n > 0) print sum /n; }'" % (rID, IP_IB)
elif metric == "DFE_TEMPERATURE":
req_metrics[metric]['command'] = "maxtop -r %s^%s -v | grep \"Temperature\"" \
" | gawk '{ sub(\"C\", \"\", $3); sum += $3; n++ } END" \
" { if (n > 0) print sum/n; } ' " \
% (rID, IP_IB)
elif metric != "PollTime":
pass # should probably give a warning
req_metrics[metric]['type'] = "FLOAT"
if 'PollTimeMultiplier' not in req_metrics[metric]:
req_metrics[metric]['PollTimeMultiplier'] = 1
if "PollTime" in req_metrics:
polltime = req_metrics['PollTime']
del req_metrics['PollTime']
else:
polltime = 1000
ret = post(
{
"metrics": req_metrics,
"instanceType": "generic",
"PollTime": polltime,
"uuid": rID
}, "createAgent", 12000, IP)
except Exception as e:
print "[!] Monitoring agent not set up correctly!"
pass
def compute_capacity(managers, mgr_id, resource, request):
if mgr_id not in managers:
raise Exception("cannot find manager: " + mgr_id)
addr = managers[mgr_id]['Address']
port = managers[mgr_id]['Port']
data = {
'Resource': resource,
"Allocation": [{
"Attributes": request["Attributes"]
}],
"Release": []
}
ret = utils.post(data, 'calculateCapacity', port, addr)
if "result" not in ret:
raise Exception("cannot calculate capacity!")
return ret["result"]
def _calculate_capacity(self, resource, allocation, release):
net_managers_view.NETManagersView.expect_ready_manager()
spec = self._get_alloc_spec()
if resource["Type"] not in spec["Types"]:
raise Exception("Type %s not supported!" % resource["Type"])
if resource["Type"] == "Link":
ret = { "result": link_calc_capacity(resource, allocation, release) }
else:
manager = net_managers_view.NETManagersView.managers[NETResourcesView.ManagersTypes[resource["Type"]]]
ret = post({"Resource": resource, "Allocation": allocation, "Release": release}, \
"calculateCapacity", manager["Port"], manager["Address"])
if "result" not in ret:
raise Exception("Error: %s", str(ret))
return ret["result"]
def _calculate_capacity(self, resource, allocation, release):
net_managers_view.NETManagersView.expect_ready_manager()
spec = self._get_alloc_spec()
if resource["Type"] not in spec["Types"]:
raise Exception("Type %s not supported!" % resource["Type"])
if resource["Type"] == "Link":
ret = {"result": link_calc_capacity(resource, allocation, release)}
else:
manager = net_managers_view.NETManagersView.managers[
NETResourcesView.ManagersTypes[resource["Type"]]]
ret = post({"Resource": resource, "Allocation": allocation, "Release": release}, \
"calculateCapacity", manager["Port"], manager["Address"])
if "result" not in ret:
raise Exception("Error: %s", str(ret))
return ret["result"]
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)]}
