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#!/usr/bin/env python2
#
# logactio - simple framework for doing configured action on certain
# log file events
#
# Copyright 2012 David Sommerseth <dazo@users.sourceforge.net>
#
# 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; either 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.
#
#
# This is a simple Qpid consumer script, which reports all alerts to stdout
#
import sys, json, socket
from optparse import OptionParser
from qpid.util import connect
from qpid.connection import Connection
from qpid.datatypes import Message, RangedSet, uuid4
from qpid.queue import Empty
if __name__ == "__main__":
parser = OptionParser()
parser.add_option("--broker", action="store", dest="broker",
default="localhost", metavar="HOSTNAME",
help="Qpid broker to connect to")
parser.add_option("--port", action="store", dest="port",
default=5672, metavar="PORT",
help="Qpid broker port")
parser.add_option("--exchange", action="store", dest="exchange",
metavar="EXCHANGE",
help="Qpid exchange to pull messages from")
parser.add_option("--bind-key", action="store", dest="bindkey",
metavar="BIND-KEY",
help="Routing key to bind against")
(opts, args) = parser.parse_args()
if opts.exchange is None or opts.bindkey is None:
print "** ERROR ** Missing --exchange or --bind-key"
sys.exit(1)
qpidsock = connect(opts.broker, opts.port)
connection = Connection (sock=qpidsock, host=opts.broker, service="qpidd")
connection.start()
session = connection.session(str(uuid4()))
session.queue_declare(queue="qpidalerter", exclusive=True)
session.exchange_bind(exchange=opts.exchange, queue="qpidalerter",
binding_key=opts.bindkey)
local_queue = session.incoming("local_qpidalerter")
session.message_subscribe(queue="qpidalerter", destination="local_qpidalerter")
local_queue.start()
print "Started qpid-alert-watcher\n"
while True:
try:
message = local_queue.get()
alert = json.loads(message.body)
session.message_accept(RangedSet(message.id))
print "== LogActio Alert ==============================================="
print "Alert prefix: %-20s [Count %i, threshold %i]" % (
alert["prefix"], alert["count"], alert["threshold"])
print "Logfile: %s" % alert["logfile"]
if alert["message"] is not None:
almsg = "\n ".join(alert["message"].split("|"))
else:
almsg = "(No message)"
print "Message: %s" % almsg
print "-----------------------------------------------------------------"
except Empty:
print ">> (Empty message received)"
except socket.gaierror, e:
print "** WARNING ** Socket error - %s" % str(e)
print " Trying again in 10 seconds"
time.sleep(10)
except socket.error, e:
print "** WARNING ** Socket error - %s" % str(e)
print " Trying again in 20 seconds"
time.sleep(20)
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