def __init__(self, snmpAgentInfo):
Thread.__init__(self)
self.storage = SnmpMonitorStorage(snmpAgentInfo)
self.snmpAgentInfo = snmpAgentInfo
self.previous = dict()
self.running = True
self.start()
def __init__(self, snmpAgentInfo):
Thread.__init__(self)
self.notificationManager = SnmpNotificationManager(snmpAgentInfo)
self.storage = SnmpMonitorStorage(snmpAgentInfo)
self.agent = snmpAgentInfo
self.running = True
self.start()
def __init__(self, snmpAgentInfo):
Thread.__init__(self)
self.notificationManager = SnmpNotificationManager(snmpAgentInfo)
self.detector = AberrantBehaviorDetector(snmpAgentInfo)
self.storage = SnmpMonitorStorage(snmpAgentInfo)
self.agent = snmpAgentInfo
self.previous = dict()
self.running = True
self.start()
class SnmpAgentMonitor(Thread):
def __init__(self, snmpAgentInfo):
Thread.__init__(self)
self.storage = SnmpMonitorStorage(snmpAgentInfo)
self.snmpAgentInfo = snmpAgentInfo
self.running = True
self.start()
def stop(self):
self.running = False
def __del__(self):
self.stop()
def run(self):
while self.running:
try:
updateValues = dict()
responses = snmpQuery.snmpGet(
self.snmpAgentInfo.snmpVersion,
self.snmpAgentInfo.community,
self.snmpAgentInfo.address,
self.snmpAgentInfo.port,
appConstants.SIMPLE_OIDS
)
if responses:
for oid in responses:
name = appConstants.OID_TO_NAME[oid]
updateValues[name] = responses[oid]
for oid in appConstants.COMPLEX_OIDS:
responses = snmpQuery.snmpWalk(
self.snmpAgentInfo.snmpVersion,
self.snmpAgentInfo.community,
self.snmpAgentInfo.address,
self.snmpAgentInfo.port,
oid
)
if responses:
total = 0
for key in responses:
total += int(responses[key])
name = appConstants.OID_TO_NAME[oid]
updateValues[name] = str(total)
self.storage.updateDatabase(updateValues)
time.sleep(appConstants.MONITOR_FREQ)
except:
logging.error('Exception while monitoring %s : %s',
self.snmpAgentInfo, sys.exc_info())
self.stop()
class SnmpAgentMonitor(Thread):
def __init__(self, snmpAgentInfo):
Thread.__init__(self)
self.storage = SnmpMonitorStorage(snmpAgentInfo)
self.agent = snmpAgentInfo
self.running = True
self.start()
def setGroup(self, group):
self.group = group
def stop(self):
self.running = False
def __del__(self):
self.stop()
def run(self):
while self.running:
try:
updates = dict()
updates[
rrdConstants.DS_MEMORY] = perf.getMemoryUsagePercentage(
self.agent)
updates[rrdConstants.DS_DISK] = perf.getDiskUsagePercentage(
self.agent)
updates[rrdConstants.DS_CPU] = perf.getAverageProcessorLoad(
self.agent)
self.storage.updateDatabase(updates)
time.sleep(appConstants.MONITOR_FREQ)
except:
logging.error('Exception while monitoring %s : %s', self.agent,
sys.exc_info())
self.stop()
self.group.stageRemoval(self.agent)
self.group = None
class SnmpAgentMonitor(Thread):
def __init__(self, snmpAgentInfo):
Thread.__init__(self)
self.notificationManager = SnmpNotificationManager(snmpAgentInfo)
self.storage = SnmpMonitorStorage(snmpAgentInfo)
self.agent = snmpAgentInfo
self.running = True
self.start()
def stop(self):
self.running = False
def __del__(self):
self.stop()
def run(self):
while self.running:
try:
updates = dict()
updates[
rrdConstants.DS_MEMORY] = perf.getMemoryUsagePercentage(
self.agent)
updates[rrdConstants.DS_DISK] = perf.getDiskUsagePercentage(
self.agent)
updates[rrdConstants.DS_CPU] = perf.getAverageProcessorLoad(
self.agent)
notificationLevel = self.storage.updateDatabase(updates)
if notificationLevel == rrdConstants.READY:
self.notificationManager.sendReadyNotification()
elif notificationLevel == rrdConstants.SET:
self.notificationManager.sendSetNotification()
elif notificationLevel == rrdConstants.GO:
self.notificationManager.sendGoNotification()
self.notificationManager.flushPending()
time.sleep(appConstants.MONITOR_FREQ)
except:
logging.error('Exception while monitoring %s : %s', self.agent,
sys.exc_info())
self.stop()
class SnmpAgentMonitor(Thread):
def __init__(self, snmpAgentInfo):
Thread.__init__(self)
self.notificationManager = SnmpNotificationManager(snmpAgentInfo)
self.detector = AberrantBehaviorDetector(snmpAgentInfo)
self.storage = SnmpMonitorStorage(snmpAgentInfo)
self.agent = snmpAgentInfo
self.previous = dict()
self.running = True
self.start()
def setGroup(self, group):
self.group = group
def stop(self):
self.running = False
def __del__(self):
self.stop()
def run(self):
try:
# Information to compute deltas.
self.previous['ifInOctets'] = self.queryInterface()
self.previous['time'] = int(time.time())
self.previous['time'] -= appConstants.MONITOR_FREQ
while self.running:
updates = dict()
updates[rrdConstants.DS_CPU] = perf.getAverageProcessorLoad(
self.agent)
updates[rrdConstants.DS_NETWORK] = self.computeBandwidth()
self.storage.updateDatabase(updates)
if self.detector.update(updates):
self.notificationManager.sendNotification()
self.notificationManager.flushPending()
time.sleep(appConstants.MONITOR_FREQ)
except:
logging.error('Exception while monitoring %s : %s', self.agent,
sys.exc_info())
self.stop()
self.group.stageRemoval(self.agent)
self.group = None
def queryInterface(self):
# Get the device's ifTable
query = snmpQuery.snmpWalk(self.agent.snmpVersion,
self.agent.community, self.agent.address,
self.agent.port, '1.3.6.1.2.1.2.2.1')
# Loop through the entries to find the first
# interface ot type ethernetCsmacd (6)
ifIndex = None
for key, value in query.items():
# Check if this is an ifType column.
if key.startswith('1.3.6.1.2.1.2.2.1.3.'):
if not value == '6':
continue
# The ifIndex is the las item on the OID.
ifIndex = key.split('.')[-1]
break
if not ifIndex:
return None
ifInOctets = int(query['1.3.6.1.2.1.2.2.1.10.' + ifIndex])
return ifInOctets
def computeBandwidth(self):
# Compute average speed using deltas
# and a formula similar to Cisco's.
ifInOctets = self.queryInterface()
now = int(time.time())
if not ifInOctets:
return None
deltaIn = ifInOctets - self.previous['ifInOctets']
deltaTime = now - self.previous['time']
inBandwidth = (deltaIn * 8) / deltaTime
# Store the current values for the next iteration.
self.previous['ifInOctets'] = ifInOctets
self.previous['time'] = now
return inBandwidth