def stop_uve_partition(self, part):
for tk in self.ptab_info[part].keys():
for rkey in self.ptab_info[part][tk].keys():
uk = tk + ":" + rkey
if tk in self.tab_alarms:
if uk in self.tab_alarms[tk]:
del self.tab_alarms[tk][uk]
ustruct = UVEAlarms(name=rkey, deleted=True)
alarm_msg = AlarmTrace(data=ustruct, table=tk)
self._logger.error('send del alarm for stop: %s' % \
(alarm_msg.log()))
alarm_msg.send(sandesh=self._sandesh)
del self.ptab_info[part][tk][rkey]
self._logger.error("UVE %s deleted in stop" % (uk))
del self.ptab_info[part][tk]
del self.ptab_info[part]
def handle_uve_notif(self, part, uves):
"""
Call this function when a UVE has changed. This can also
happed when taking ownership of a partition, or when a
generator is deleted.
Args:
part : Partition Number
uve : dict, where the key is the UVE Name.
The value is either a dict of UVE structs, or "None",
which means that all UVE structs should be processed.
Returns:
status of operation (True for success)
"""
self._logger.debug("Changed part %d UVEs : %s" % (part, str(uves)))
success = True
output = {}
for uv, types in uves.iteritems():
tab = uv.split(':', 1)[0]
if tab not in self.tab_perf:
self.tab_perf[tab] = AGTabStats()
uve_name = uv.split(':', 1)[1]
prevt = UTCTimestampUsec()
filters = {}
if types:
filters["cfilt"] = {}
for typ in types.keys():
filters["cfilt"][typ] = set()
failures, uve_data = self._us.get_uve(uv, True, filters)
if failures:
success = False
self.tab_perf[tab].record_get(UTCTimestampUsec() - prevt)
# Handling Agg UVEs
if not part in self.ptab_info:
self._logger.error("Creating UVE table for part %s" %
str(part))
self.ptab_info[part] = {}
if not tab in self.ptab_info[part]:
self.ptab_info[part][tab] = {}
if uve_name not in self.ptab_info[part][tab]:
self.ptab_info[part][tab][uve_name] = AGKeyInfo(part)
prevt = UTCTimestampUsec()
output[uv] = {}
touched = False
if not types:
self.ptab_info[part][tab][uve_name].update(uve_data)
if len(self.ptab_info[part][tab][uve_name].removed()):
touched = True
self._logger.info("UVE %s removed structs %s" % (uve_name, \
self.ptab_info[part][tab][uve_name].removed()))
for rems in self.ptab_info[part][tab][uve_name].removed():
output[uv][rems] = None
if len(self.ptab_info[part][tab][uve_name].changed()):
touched = True
self._logger.debug("UVE %s changed structs %s" % (uve_name, \
self.ptab_info[part][tab][uve_name].changed()))
for chgs in self.ptab_info[part][tab][uve_name].changed():
output[uv][chgs] = \
self.ptab_info[part][tab][uve_name].values()[chgs]
if len(self.ptab_info[part][tab][uve_name].added()):
touched = True
self._logger.debug("UVE %s added structs %s" % (uve_name, \
self.ptab_info[part][tab][uve_name].added()))
for adds in self.ptab_info[part][tab][uve_name].added():
output[uv][adds] = \
self.ptab_info[part][tab][uve_name].values()[adds]
else:
for typ in types:
val = None
if typ in uve_data:
val = uve_data[typ]
self.ptab_info[part][tab][uve_name].update_single(typ, val)
if len(self.ptab_info[part][tab][uve_name].removed()):
touched = True
self._logger.info("UVE %s removed structs %s" % (uve_name, \
self.ptab_info[part][tab][uve_name].removed()))
for rems in self.ptab_info[part][tab][
uve_name].removed():
output[uv][rems] = None
if len(self.ptab_info[part][tab][uve_name].changed()):
touched = True
self._logger.debug("UVE %s changed structs %s" % (uve_name, \
self.ptab_info[part][tab][uve_name].changed()))
for chgs in self.ptab_info[part][tab][
uve_name].changed():
output[uv][chgs] = \
self.ptab_info[part][tab][uve_name].values()[chgs]
if len(self.ptab_info[part][tab][uve_name].added()):
touched = True
self._logger.debug("UVE %s added structs %s" % (uve_name, \
self.ptab_info[part][tab][uve_name].added()))
for adds in self.ptab_info[part][tab][uve_name].added(
):
output[uv][adds] = \
self.ptab_info[part][tab][uve_name].values()[adds]
if not touched:
del output[uv]
local_uve = self.ptab_info[part][tab][uve_name].values()
self.tab_perf[tab].record_pub(UTCTimestampUsec() - prevt)
if len(local_uve.keys()) == 0:
self._logger.info("UVE %s deleted in proc" % (uv))
del self.ptab_info[part][tab][uve_name]
output[uv] = None
# Both alarm and non-alarm contents are gone.
# We do not need to do alarm evaluation
continue
# Withdraw the alarm if the UVE has no non-alarm structs
if len(local_uve.keys()) == 1 and "UVEAlarms" in local_uve:
if tab in self.tab_alarms:
if uv in self.tab_alarms[tab]:
del self.tab_alarms[tab][uv]
ustruct = UVEAlarms(name=uve_name, deleted=True)
alarm_msg = AlarmTrace(data=ustruct, table=tab, \
sandesh=self._sandesh)
self._logger.info('send del alarm: %s' %
(alarm_msg.log()))
alarm_msg.send(sandesh=self._sandesh)
continue
# Handing Alarms
if not self.mgrs.has_key(tab):
continue
prevt = UTCTimestampUsec()
#TODO: We may need to remove alarm from local_uve before
# alarm evaluation
# if "UVEAlarms" in uve_data:
# del uve_data["UVEAlarms"]
results = self.mgrs[tab].map_method("__call__", uv, local_uve)
self.tab_perf[tab].record_call(UTCTimestampUsec() - prevt)
new_uve_alarms = {}
for res in results:
nm, sev, errs = res
self._logger.debug("Alarm[%s] %s: %s" % (tab, nm, str(errs)))
elems = []
for ae in errs:
rule, val = ae
rv = AlarmElement(rule, val)
elems.append(rv)
if len(elems):
new_uve_alarms[nm] = UVEAlarmInfo(type=nm,
severity=sev,
timestamp=0,
token="",
description=elems,
ack=False)
del_types = []
if self.tab_alarms[tab].has_key(uv):
for nm, uai in self.tab_alarms[tab][uv].iteritems():
uai2 = copy.deepcopy(uai)
uai2.timestamp = 0
uai2.token = ""
# This type was present earlier, but is now gone
if not new_uve_alarms.has_key(nm):
del_types.append(nm)
else:
# This type has no new information
if uai2 == new_uve_alarms[nm]:
del new_uve_alarms[nm]
if len(del_types) != 0 or \
len(new_uve_alarms) != 0:
self._logger.debug("Alarm[%s] Deleted %s" % \
(tab, str(del_types)))
self._logger.debug("Alarm[%s] Updated %s" % \
(tab, str(new_uve_alarms)))
# These alarm types are new or updated
for nm, uai2 in new_uve_alarms.iteritems():
uai = copy.deepcopy(uai2)
uai.timestamp = UTCTimestampUsec()
uai.token = Controller.token(self._sandesh, uai.timestamp)
if not self.tab_alarms[tab].has_key(uv):
self.tab_alarms[tab][uv] = {}
self.tab_alarms[tab][uv][nm] = uai
# These alarm types are now gone
for dnm in del_types:
del self.tab_alarms[tab][uv][dnm]
ustruct = None
if len(self.tab_alarms[tab][uv]) == 0:
ustruct = UVEAlarms(name=uve_name, deleted=True)
del self.tab_alarms[tab][uv]
else:
alm_copy = copy.deepcopy(self.tab_alarms[tab][uv])
ustruct = UVEAlarms(name=uve_name,
alarms=alm_copy.values(),
deleted=False)
alarm_msg = AlarmTrace(data=ustruct, table=tab, \
sandesh=self._sandesh)
self._logger.info('send alarm: %s' % (alarm_msg.log()))
alarm_msg.send(sandesh=self._sandesh)
if success:
return output
else:
return None
