ciscolive/automation/syslog-ng-filters/ipsla_timeout.py

#!/usr/local/bin/python2
#
# Copyright (c) 2017-2019  Joe Clarke <jclarke@cisco.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

import sys
sys.path.append('/home/jclarke')
from sparker import Sparker
import CLEUCreds
import re

SPARK_TEAM = 'CL19 NOC Team'
SPARK_ROOM = 'Core Alarms'

if __name__ == '__main__':
    spark = Sparker(token=CLEUCreds.SPARK_TOKEN)

    while True:
        output = ''
        for line in sys.stdin.readline():
            output += line

        host, msg = output.split('~')

        m = re.search(
            r'RTT-3-IPSLATHRESHOLD: IP SLAs\(([0-9])\): Threshold (Occurred|Cleared) for timeout', msg)
        if m:
            type = 'IPv4'
            if m.group(1) == '2':
                type = 'IPv6'
            if m.group(2) == 'Occurred':
                spark.post_to_spark(
                    SPARK_TEAM, SPARK_ROOM, '**DANGER**: {} connectivity is down to Google\'s DNS from {} (lost 3 consecutive pings)'.format(type, host))
            else:
                spark.post_to_spark(
                    SPARK_TEAM, SPARK_ROOM, '_RELAX_: {} connectivity to Google\'s DNS from {} has been restored'.format(type, host))