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#
# logactio - simple framework for doing configured action on certain
# log file events
#
# Copyright 2012 - 2015 David Sommerseth <dazo@eurephia.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, version 2
# of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# For the avoidance of doubt the "preferred form" of this code is one which
# is in an open unpatent encumbered format. Where cryptographic key signing
# forms part of the process of creating an executable the information
# including keys needed to generate an equivalently functional executable
# are deemed to be part of the source code.
#
import sys, json
from qpid.util import connect
from qpid.connection import Connection
from qpid.datatypes import Message, RangedSet, uuid4
from qpid.queue import Empty
import LogActio.Message, LogActio.ReporterQueue
class QpidReporter(LogActio.ReporterQueue.ReporterQueue):
"""Simple LogActio reporter module, sending alerts to a Qpid broker
Example configuration to be used in /etc/logactio.cfg
[Reporter:QPID]
module: QpidReporter
broker: qpid.example.com
port: 5672
routing_key: LogActio.Alerts
exchange: amq.topic
This will send reports to the configured Qpid broker queue
"""
def __init__(self, config, logger = None):
if not config.has_key("broker"):
raise Exception("QpidReporter is not configured with a broker host/address")
if not config.has_key("routing_key"):
raise Exception("QpidReporter is not configured with a Qpid routing key")
if not config.has_key("exchange"):
raise Exception("QpidReporter is not configured with a Qpid exchange")
self.__log = logger and logger or self.__logfnc
self.__broker = config["broker"]
self.__port = config.has_key("port") and config["port"] or 5672
self.__routkey = config["routing_key"]
self.__exchange = config["exchange"]
LogActio.ReporterQueue.ReporterQueue.__init__(self,
"QpidReporter",
"Qpid Reporter",
self.__processqueue)
def __logfnc(self, lvl, msg):
print "%s" % msg
sys.stdout.flush()
def __processqueue(self):
# Connect to the Qpid broker
qpidsock = connect(self.__broker, self.__port)
qpidconn = Connection(sock=qpidsock,
service="qpidd", reconnect=True, heartbeat=30)
qpidconn.start()
qpidsess = qpidconn.session(str(uuid4()))
qmsgprops = qpidsess.delivery_properties(routing_key=self.__routkey)
self.__log(1, "[QpidReporter] Connection to %s:%i opened" % (
self.__broker, self.__port))
# Process the internal message queue
done = False
mcount = 0
uuid = str(uuid4())
while not done:
msg = self._QueueGet()
if( msg.MessageType() == LogActio.Message.MSG_SHUTDOWN ):
# Prepare for shutdown
done = True
elif( msg.MessageType() == LogActio.Message.MSG_SEND ):
m = msg.Message()
try:
qm = Message(qmsgprops, m)
qpidsess.message_transfer(self.__exchange, message=qm)
mcount += 1
del qm
except Exception, e:
self.__log(0, "** ERROR ** QpidReporter failed: %s" % str(e))
qpidsess.close(timeout=30)
self.__log(1, "[QpidReporter] Connection to %s:%i closed" % (
self.__broker, self.__port))
def ProcessEvent(self, logfile, prefix, msg, count, threshold):
# Format the report message
msg = {"prefix": prefix, "count": count, "threshold": threshold,
"message": "|".join(msg), "logfile": logfile}
# Queue the message for sending
self._QueueMsg(0, json.dumps(msg))
def InitReporter(config, logger = None):
return QpidReporter(config, logger)
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