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Nagios plugin for checking various parameters on a FreeSWITCH system

check_freeswitch_health.pl is a plugin for Nagios that checks various health parameters on a FreeSWITCH server. It takes advantage of the fs_cli FreeSWITCH command-line tool. It may be extended to check practically anything that fs_cli can check.

License

This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.

Installation/Usage

check_freeswitch_health.pl must be installed in the Nagios plugins directory on the host system (not the Nagios server). It is called via NRPE.

Sample nrpe.cfg command line: command[check_freeswitch_health]=/usr/lib64/nagios/plugins/check_freeswitch_health.pl $ARG1$

and on the Nagios server, corresponding commands and services may be:

  define command {
    command_name    check_freeswitch_health
    command_line    $USER1$/check_nrpe -H $HOSTADDRESS$ -c check_freeswitch_health $ARG1$
  }

  define service {
    host_name       freeswitch01
    service_description     FreeSWITCH - Calls Count
    check_command   check_freeswitch_health!-a '-q show-calls-count'!!!!!!!
  }

Author

Khalid J Hosein

Written July 2013

To Do

  • Refine the use of the $perfdatatitle (better logic on selecting the title)
  • First check for the fs_cli command, and report back via cmd line output and perfdata if can't find

Thanks

Thanks to Ton Voon for his Nagios::Plugin Perl module. It dramatically cuts development time for writing Nagios plugins and keeps the main code clean.

Thanks also to:

  • Nathan Vonnahme for his presentation Writing Custom Nagios Plugins In Perl. Available on SlideShare.
  • Jose Luis Martinez for his presentation on Writing Perl Nagios Plugins. PDF