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- #!/usr/bin/env python3
- #
- # 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 os
- import re
- import sys
- import time
- import json
- import paramiko
- import sparker
- from multiprocessing import Pool
- import traceback
- import CLEUCreds
- from cleu.config import Config as C
- devices = ['CORE1-WA', 'CORE2-WA']
- ROOM_NAME = 'Core Alarms'
- CACHE_FILE = '/home/jclarke/tcam_util.json'
- spark = None
- def exec_command(chan, cmd, dev):
- output = ''
- chan.send(cmd + '\n')
- time.sleep(1)
- output += chan.recv(65535)
- return output
- def get_results(dev, cache):
- global ROOM_NAME, spark
- commands = [
- 'show platform hardware fed active fwd-asic resource tcam utilization']
- ssh_client = paramiko.SSHClient()
- ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
- output = ''
- try:
- ssh_client.connect(dev, username=CLEUCreds.NET_USER, password=CLEUCreds.NET_PASS,
- timeout=5, allow_agent=False, look_for_keys=False)
- chan = ssh_client.invoke_shell()
- try:
- exec_command(chan, 'term width 0', dev)
- exec_command(chan, 'term length 0', dev)
- for cmd in commands:
- try:
- output = exec_command(chan, cmd, dev)
- except Exception as iie:
- sys.stderr.write(
- 'Failed to get result for {} from {}: {}\n'.format(cmd, dev, iie))
- traceback.print_exc()
- except Exception as ie:
- sys.stderr.write(
- 'Failed to setup SSH on {}: {}\n'.format(dev, ie))
- traceback.print_exc()
- except Exception as e:
- sys.stderr.write(
- 'Failed to connect to {}: {}\n'.format(dev, e))
- ssh_client.close()
- ready = False
- cache[dev] = {}
- for line in output.split('\n'):
- line = line.strip()
- if re.search(r'^-+$', line):
- ready = True
- continue
- if not ready:
- continue
- if len(line) == 0:
- break
- line = re.sub(r'\s+', ' ', line)
- elements = line.split(' ')
- used = elements[-1]
- max = elements[-2]
- metric = ' '.join(elements[0:-2])
- metric = metric.strip()
- m = re.search(r'(\d+)(/\d+)?', used)
- used = float(m.group(1))
- m = re.search(r'(\d+)(/\d+)?', max)
- max = float(m.group(1))
- perc = float(used / max) * 100.0
- # if metric == 'Directly or indirectly connected routes':
- # perc = 76.0
- if perc >= 75.0:
- msg = '**!!! DANGER DANGER DANGER DANGER !!!**<br>{} on {} is {}% used'.format(
- metric, dev, perc)
- spark.post_to_spark(C.WEBEX_TEAM, ROOM_NAME, msg)
- cache[dev][metric] = perc
- if __name__ == '__main__':
- spark = sparker.Sparker(token=CLEUCreds.SPARK_TOKEN)
- cache = {}
- for dev in devices:
- get_results(dev, cache)
- fd = open(CACHE_FILE, 'w')
- json.dump(cache, fd, indent=4)
- fd.close()
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