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lib/Monitoring/GLPlugin.pm  view on Meta::CPAN

=cut

use strict;
use IO::File;
use File::Basename;
use Digest::MD5 qw(md5_hex);
use Errno;
use Data::Dumper;
$Data::Dumper::Indent = 1;
eval {
  # avoid "used only once" because older Data::Dumper don't have this
  # use OMD please because OMD has everything!
  no warnings 'all';
  $Data::Dumper::Sparseseen = 1;
};
our $AUTOLOAD;
*VERSION = \'3.0.2.6';

use constant { OK => 0, WARNING => 1, CRITICAL => 2, UNKNOWN => 3 };

{
  our $mode = undef;
  our $plugin = undef;
  our $pluginname = basename($ENV{'NAGIOS_PLUGIN'} || $0);
  our $blacklist = undef;
  our $info = [];
  our $extendedinfo = [];
  our $summary = [];
  our $variables = {};
  our $survive_sudo_env = ["LD_LIBRARY_PATH", "SHLIB_PATH"];
}

sub new {
  my ($class, %params) = @_;
  my $self = {};
  bless $self, $class;
  require Monitoring::GLPlugin::Commandline
      if ! grep /BEGIN/, keys %Monitoring::GLPlugin::Commandline::;
  require Monitoring::GLPlugin::Item
      if ! grep /BEGIN/, keys %Monitoring::GLPlugin::Item::;
  require Monitoring::GLPlugin::TableItem
      if ! grep /BEGIN/, keys %Monitoring::GLPlugin::TableItem::;
  $Monitoring::GLPlugin::plugin = Monitoring::GLPlugin::Commandline->new(%params);
  return $self;
}

sub rebless {
  my ($self, $class) = @_;
  bless $self, $class;
  $self->debug('using '.$class);
  # gilt nur fuer "echte" Fabrikate mit "Classes::" vorndran
  $self->{classified_as} = ref($self) if $class !~ /^Monitoring::GLPlugin/;
}

sub init {
  my ($self) = @_;
  if ($self->opts->can("blacklist") && $self->opts->blacklist &&
      -f $self->opts->blacklist) {
    $self->opts->blacklist = do {
        local (@ARGV, $/) = $self->opts->blacklist; <> };
  }
}

sub dumper {
  my ($self, $object) = @_;
  my $run = $object->{runtime};
  delete $object->{runtime};
  printf STDERR "%s\n", Data::Dumper::Dumper($object);
  $object->{runtime} = $run;
}

sub no_such_mode {
  my ($self) = @_;
  printf "Mode %s is not implemented for this type of device\n",
      $self->opts->mode;
  exit 3;
}

#########################################################
# framework-related. setup, options
#
sub add_default_args {
  my ($self) = @_;
  $self->add_arg(
      spec => 'mode=s',
      help => "--mode
   A keyword which tells the plugin what to do",
      required => 1,
  );
  $self->add_arg(
      spec => 'regexp',
      help => "--regexp
   Parameter name/name2/name3 will be interpreted as (perl) regular expression",
      required => 0,);
  $self->add_arg(
      spec => 'warning=s',
      help => "--warning
   The warning threshold",
      required => 0,);
  $self->add_arg(
      spec => 'critical=s',
      help => "--critical
   The critical threshold",
      required => 0,);
  $self->add_arg(
      spec => 'warningx=s%',
      help => '--warningx
   The extended warning thresholds
   e.g. --warningx db_msdb_free_pct=6: to override the threshold for a
   specific item ',
      required => 0,
  );
  $self->add_arg(
      spec => 'criticalx=s%',
      help => '--criticalx
   The extended critical thresholds',
      required => 0,
  );
  $self->add_arg(
      spec => 'units=s',