def generate_events(self):
"""
Report state changes to event engine.
"""
_logger.debug("Checks which hosts didn't answer")
answers = self.pinger.results()
for ip, rtt in answers:
# rtt = round trip time (-1 => host didn't reply)
netboxid = self.ip_to_netboxid.get(ip)
self.replies[netboxid].push(rtt)
netbox = self.netboxmap[netboxid]
if rtt != -1:
statistics.update(netbox.sysname, 'N', 'UP', rtt)
else:
# ugly...
statistics.update(netbox.sysname, 'N', 'DOWN', 5)
down_now = []
# Find out which netboxes to consider down
for (netboxid, replies) in self.replies.items():
if replies[:self._nrping] == [-1] * self._nrping:
down_now.append(netboxid)
_logger.debug("No answer from %i hosts", len(down_now))
# Detect state changes since last run
report_down = set(down_now) - set(self.down)
report_up = set(self.down) - set(down_now)
self.down = down_now
# Reporting netboxes as down
_logger.debug("Starts reporting %i hosts as down", len(report_down))
for netboxid in report_down:
netbox = self.netboxmap[netboxid]
new_event = Event(
None,
netbox.netboxid,
None, # deviceid
Event.boxState,
"pping",
Event.DOWN)
self.db.new_event(new_event)
_logger.info("%s marked as down.", netbox)
# Reporting netboxes as up
_logger.debug("Starts reporting %i hosts as up", len(report_up))
for netboxid in report_up:
try:
netbox = self.netboxmap[netboxid]
except:
_logger.info("Netbox %s is no longer with us...", netboxid)
continue
new_event = Event(
None,
netbox.netboxid,
None, # deviceid
Event.boxState,
"pping",
Event.UP)
self.db.new_event(new_event)
_logger.info("%s marked as up.", netbox)
def updateRrd(self):
try:
statistics.update(self.getNetboxid(), self.getSysname(), 'N',
self.getStatus(), self.getResponsetime(),
self.getServiceid(), self.getType())
except Exception, e:
service = "%s:%s" % (self.getSysname(), self.getType())
debug("rrd update failed for %s [%s]" % (service, e), 3)
def update_stats(self):
"""Send an updated metric to the Graphite backend"""
try:
statistics.update(self.netboxid, self.sysname, 'N', self.status,
self.response_time, self.serviceid,
self.get_type())
except Exception as err: # pylint: disable=broad-except
service = "%s:%s" % (self.sysname, self.get_type())
LOGGER.error("statistics update failed for %s [%s]", service, err)
def updateRrd(self):
try:
statistics.update(self.getNetboxid(),
self.getSysname(),
'N',
self.getStatus(),
self.getResponsetime(),
self.getServiceid(),
self.getType()
)
except Exception, e:
service = "%s:%s" % (self.getSysname(), self.getType())
debug("rrd update failed for %s [%s]" % (service, e), 3)
def generateEvents(self):
"""
Report state changes to event engine.
"""
debug.debug("Checks which hosts didn't answer",7)
answers = self.pinger.results()
for ip, rtt in answers:
# rtt = round trip time (-1 => host didn't reply)
netboxid = self.ipToNetboxid.get(ip)
self.replies[netboxid].push(rtt)
netbox = self.netboxmap[netboxid]
if rtt != -1:
statistics.update(netbox.netboxid, netbox.sysname, 'N', 'UP',
rtt)
else:
# ugly...
statistics.update(netbox.netboxid, netbox.sysname, 'N', 'DOWN',
5)
downNow = []
# Find out which netboxes to consider down
for (netboxid, replies) in self.replies.items():
if replies[:self._nrping] == [-1]*self._nrping:
downNow.append(netboxid)
debug.debug("No answer from %i hosts" %len(downNow),7)
# Detect state changes since last run
reportDown = filter(lambda x: x not in self.down, downNow)
reportUp = filter(lambda x: x not in downNow, self.down)
self.down = downNow
# Reporting netboxes as down
debug.debug("Starts reporting %i hosts as down" % len(reportDown),7)
for netboxid in reportDown:
netbox = self.netboxmap[netboxid]
newEvent = Event(None,
netbox.netboxid,
netbox.deviceid,
Event.boxState,
"pping",
Event.DOWN
)
self.db.newEvent(newEvent)
debug.debug("%s marked as down." % netbox)
# Reporting netboxes as up
debug.debug("Starts reporting %i hosts as up" % len(reportUp),7)
for netboxid in reportUp:
try:
netbox = self.netboxmap[netboxid]
except:
debug.debug("Netbox %s is no longer with us..." % netboxid)
continue
newEvent = Event(None,
netbox.netboxid,
netbox.deviceid,
Event.boxState,
"pping",
Event.UP
)
self.db.newEvent(newEvent)
debug.debug( "%s marked as up." % netbox)