NAME
   App::OpenVZ::BCWatch - Monitor the OpenVZ user_beancounters file

SYNOPSIS
    use App::OpenVZ::BCWatch;

    $watch = App::OpenVZ::BCWatch->new;
    $watch->process;

DESCRIPTION
   `App::OpenVZ::BCWatch' monitors the /proc/user_beancounters file and
   sends mail notifications whenever important values change (as defined by
   the user).

   The recommended usage of this application module is to use the provided
   vzwatchd daemon.

CONSTRUCTOR
 new

    $watch = App::OpenVZ::BCWatch->new;

   Instantiate an `App::OpenVZ::BCWatch' object.

METHODS
 process

    $watch->process;

   Inspect whether the user_beancounters file differs from the last run,
   and if, report the differences via mail.

DAEMON USAGE
   Run vzwatchd as root without arguments to obtain a list of commands.

CONFIGURATION FILE
   When vzwatchd is *started* initially, the /etc/vzwatchd.conf file will
   be generated. The configuration will then subsequently remain inactive
   until the `_active' flag is either set within or deleted from the
   configuration file.

 Syntax

   The configuration file is being parsed by Config::File. Unless noted
   otherwise, each option takes exactly one value. Specifying more than one
   value for an option requires that the values are separated by
   whitespace.

 Options

   Adjustable options with defaults are:

   * `mail[from]'
       Mail sender address. Defaults to `root@localhost'.

   * `mail[to]'
       Mail recipient address. Defaults to `root@localhost'.

   * `mail[subject]'
       Mail subject line. Defaults to: `vzwatchd: NOTICE'.

   * `monitor_fields'
       One or more field names to monitor for changes. Defaults to:
       `failcnt'.

   * `sleep'
       Sleep interval in seconds. Defaults to 60.

   * `verbose'
       Be verbose? Defaults to false.

   * `_active'
       Configuration active? Defaults to false.

   Additional options with defaults are:

   * `input_file'
       Location of the user_beancounters file. Defaults to
       /proc/user_beancounters.

   * `data_file'
       Location of the data file. Defaults to $HOME/vzwatchd.dat.

CURRENT LIMITATIONS
   * Cannot parse anything else than the user_beancounters file.
   * Fixed mail report template.
   * No more than one mail recipient.
SEE ALSO
   OpenVZ::BC, http://openvz.org

AUTHOR
   Steven Schubiger <[email protected]>

LICENSE
   This program is free software; you may redistribute it and/or modify it
   under the same terms as Perl itself.

   See http://www.perl.com/perl/misc/Artistic.html