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47
README.md
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47
README.md
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# Icinga/Nagios plugin to check status of a Livestatus socket
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This script could be used as Icinga/Nagios check plugin to check Livestatus socket status.
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## Installation
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```
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git clone https://gogs.zionetrix.net/bn8/check_livestatus.git /usr/local/src/check_livestatus
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mkdir -p /usr/local/lib/nagios/plugins
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ln -s /usr/local/src/check_livestatus/check_livestatus /usr/local/lib/nagios/plugins/
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```
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## Usage
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```
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usage: check_livestatus [-h] [-d] [-v] [-l LOGFILE] [-C] [-U UNIX_SOCKET_PATH]
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[-H HOST] [-p PORT] [-t TIMEOUT]
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Icinga/Nagios plugin to check status of a Livestatus socket
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optional arguments:
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-h, --help show this help message and exit
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-d, --debug Show debug messages
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-v, --verbose Show verbose messages
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-l LOGFILE, --log-file LOGFILE
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Log file path
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-C, --console Also log on console (even if log file is provided)
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-U UNIX_SOCKET_PATH, --unix-socket-path UNIX_SOCKET_PATH
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Livestatus UNIX socket path
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-H HOST, --host HOST Livestatus host (default: 127.0.0.1)
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-p PORT, --port PORT Livestatus port (default: 6557)
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-t TIMEOUT, --timeout TIMEOUT
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Livestatus timeout in second (default: 2)
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```
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## Copyright
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Copyright (c) 2022 Benjamin Renard
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## License
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This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.
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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.
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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.
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143
check_livestatus
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check_livestatus
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#!/usr/bin/python2.7
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"""
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Icinga/Nagios plugin to check status of a Livestatus socket
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"""
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import argparse
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import json
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import logging
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import os
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import socket
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import sys
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import traceback
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DEFAULT_HOST = '127.0.0.1'
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DEFAULT_PORT = 6557
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DEFAULT_TIMEOUT = 2
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### MAIN ####
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument(
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'-d', '--debug',
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action='store_true',
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help='Show debug messages'
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)
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parser.add_argument(
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'-v', '--verbose',
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action='store_true',
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help='Show verbose messages'
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)
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parser.add_argument(
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'-l',
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'--log-file',
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action="store",
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type=str,
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dest="logfile",
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help="Log file path"
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)
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parser.add_argument(
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'-C', '--console',
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action='store_true',
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help='Also log on console (even if log file is provided)'
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)
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parser.add_argument(
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'-U', '--unix-socket-path',
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action='store',
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type=str,
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dest='unix_socket_path',
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help='Livestatus UNIX socket path',
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)
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parser.add_argument(
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'-H', '--host',
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action='store',
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type=str,
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dest='host',
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help='Livestatus host (default: %s)' % DEFAULT_HOST,
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default=DEFAULT_HOST
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)
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parser.add_argument(
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'-p', '--port',
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action='store',
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type=int,
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dest='port',
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help='Livestatus port (default: %d)' % DEFAULT_PORT,
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default=DEFAULT_PORT
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)
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parser.add_argument(
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'-t', '--timeout',
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action='store',
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type=float,
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dest='timeout',
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help='Livestatus timeout in second (default: %s)' % DEFAULT_TIMEOUT,
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default=DEFAULT_TIMEOUT
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)
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options = parser.parse_args()
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# Initialize log
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log = logging.getLogger()
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logformat = logging.Formatter("%(asctime)s - " + os.path.basename(sys.argv[0]) + " - %(levelname)s - %(message)s")
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if options.debug:
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log.setLevel(logging.DEBUG)
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elif options.verbose:
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log.setLevel(logging.INFO)
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else:
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log.setLevel(logging.WARNING)
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if options.logfile:
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logfile = logging.FileHandler(options.logfile)
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logfile.setFormatter(logformat)
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log.addHandler(logfile)
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if not options.logfile or options.console:
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logconsole = logging.StreamHandler()
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logconsole.setFormatter(logformat)
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log.addHandler(logconsole)
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try:
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if options.unix_socket_path:
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peer = options.unix_socket_path
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livestatus = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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livestatus.connect(options.unix_socket_path)
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elif options.host and options.port:
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peer = "%s:%d" % (options.host, options.port)
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livestatus = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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livestatus.connect((options.host, options.port))
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else:
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parser.error('You must provide Livestatus UNIX socket path or host & port')
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sys.exit(3)
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livestatus.settimeout(options.timeout)
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livestatus.send("GET status\nOutputFormat: json\nColumnHeaders: on\n\n")
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livestatus.shutdown(socket.SHUT_WR)
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rawdata = livestatus.makefile().read()
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status = None
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if rawdata:
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data = json.loads(rawdata)
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assert isinstance(data, list) and len(data) == 2, "Invalid Livestatus return:\n%s" % data
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status = dict(
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(data[0][idx], value)
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for idx, value in enumerate(data[1])
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)
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except Exception:
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print(
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'UNKNOWN - Fail to retreive status from Livestatus from %s\n\nException:\n%s' %
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(peer, traceback.format_exc())
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)
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sys.exit(2)
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if isinstance(status, dict) and 'num_hosts' in status:
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print('OK - %s host(s) found\n' % status['num_hosts'])
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for key in sorted(status.keys()):
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print('%s: %s' % (key, status[key]))
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sys.exit(0)
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print('UNKNOWN - Invalid Livestatus return\n\n%s' % data)
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sys.exit(3)
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