185 lines
6.6 KiB
Perl
185 lines
6.6 KiB
Perl
#
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# Copyright 2017 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package centreon::plugins::perfdata;
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use strict;
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use warnings;
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sub new {
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my ($class, %options) = @_;
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my $self = {};
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bless $self, $class;
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$self->{output} = $options{output};
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# Typical Nagios Perfdata 'with ~ @ ..'
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$self->{threshold_label} = {};
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return $self;
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}
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sub get_perfdata_for_output {
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my ($self, %options) = @_;
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# $options{label} : threshold label
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# $options{total} : percent threshold to transform in global
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# $options{cast_int} : cast absolute to int
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# $options{op} : operator to apply to start/end value (uses with 'value'})
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# $options{value} : value to apply with 'op' option
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if (!defined($self->{threshold_label}->{$options{label}}->{value}) || $self->{threshold_label}->{$options{label}}->{value} eq '') {
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return '';
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}
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my %perf_value = %{$self->{threshold_label}->{$options{label}}};
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if (defined($options{op}) && defined($options{value})) {
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eval "\$perf_value{start} = \$perf_value{start} $options{op} \$options{value}" if ($perf_value{infinite_neg} == 0);
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eval "\$perf_value{end} = \$perf_value{end} $options{op} \$options{value}" if ($perf_value{infinite_pos} == 0);
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}
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if (defined($options{total})) {
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$perf_value{start} = $perf_value{start} * $options{total} / 100 if ($perf_value{infinite_neg} == 0);
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$perf_value{end} = $perf_value{end} * $options{total} / 100 if ($perf_value{infinite_pos} == 0);
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$perf_value{start} = sprintf("%.2f", $perf_value{start}) if ($perf_value{infinite_neg} == 0 && (!defined($options{cast_int}) || $options{cast_int} != 1));
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$perf_value{end} = sprintf("%.2f", $perf_value{end}) if ($perf_value{infinite_pos} == 0 && (!defined($options{cast_int}) || $options{cast_int} != 1));
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}
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$perf_value{start} = int($perf_value{start}) if ($perf_value{infinite_neg} == 0 && defined($options{cast_int}) && $options{cast_int} == 1);
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$perf_value{end} = int($perf_value{end}) if ($perf_value{infinite_pos} == 0 && defined($options{cast_int}) && $options{cast_int} == 1);
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my $perf_output = ($perf_value{arobase} == 1 ? "@" : "") .
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(($perf_value{infinite_neg} == 0) ? $perf_value{start} : "~") .
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":" .
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(($perf_value{infinite_pos} == 0) ? $perf_value{end} : "");
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return $perf_output;
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}
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sub threshold_validate {
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my ($self, %options) = @_;
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# $options{label} : threshold label
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# $options{value} : threshold value
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my $status = 1;
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$self->{threshold_label}->{$options{label}} = {value => $options{value}, start => undef, end => undef, arobase => undef, infinite_neg => undef, infinite_pos => undef};
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if (!defined($options{value}) || $options{value} eq '') {
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return $status;
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}
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($status, $self->{threshold_label}->{$options{label}}->{start}, $self->{threshold_label}->{$options{label}}->{end}, $self->{threshold_label}->{$options{label}}->{arobase}, $self->{threshold_label}->{$options{label}}->{infinite_neg}, $self->{threshold_label}->{$options{label}}->{infinite_pos}) = $self->parse_threshold($options{value});
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return $status;
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}
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sub threshold_check {
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my ($self, %options) = @_;
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# Can check multiple threshold. First match: out. Order is important
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# options{value}: value to compare
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# options{threshold}: ref to an array (example: [ {label => 'warning', exit_litteral => 'warning' }, {label => 'critical', exit_litteral => 'critical'} ]
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foreach (@{$options{threshold}}) {
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next if (!defined($self->{threshold_label}->{$_->{label}}));
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next if (!defined($self->{threshold_label}->{$_->{label}}->{value}) || $self->{threshold_label}->{$_->{label}}->{value} eq '');
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if ($self->{threshold_label}->{$_->{label}}->{arobase} == 0 && ($options{value} < $self->{threshold_label}->{$_->{label}}->{start} || $options{value} > $self->{threshold_label}->{$_->{label}}->{end})) {
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return $_->{exit_litteral};
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} elsif ($self->{threshold_label}->{$_->{label}}->{arobase} == 1 && ($options{value} >= $self->{threshold_label}->{$_->{label}}->{start} && $options{value} <= $self->{threshold_label}->{$_->{label}}->{end})) {
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return $_->{exit_litteral};
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}
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}
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return 'ok';
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}
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sub trim {
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my ($self, $value) = @_;
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$value =~ s/^[ \t]+//;
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$value =~ s/[ \t]+$//;
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return $value;
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}
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sub parse_threshold {
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my ($self, $perf) = @_;
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$perf = $self->trim($perf);
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my $arobase = 0;
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my $infinite_neg = 0;
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my $infinite_pos = 0;
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my $value_start = "";
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my $value_end = "";
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my $global_status = 1;
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if ($perf =~ /^(\@?)((?:~|(?:\+|-)?\d+(?:[\.,]\d+)?|):)?((?:\+|-)?\d+(?:[\.,]\d+)?)?$/) {
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$value_start = $2 if (defined($2));
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$value_end = $3 if (defined($3));
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$arobase = 1 if (defined($1) && $1 eq '@');
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$value_start =~ s/[\+:]//g;
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$value_end =~ s/\+//;
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if ($value_end eq '') {
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$value_end = 1e500;
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$infinite_pos = 1;
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}
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$value_start = 0 if ($value_start eq '');
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$value_start =~ s/,/\./;
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$value_end =~ s/,/\./;
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if ($value_start eq '~') {
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$value_start = -1e500;
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$infinite_neg = 1;
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}
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} else {
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$global_status = 0;
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}
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return ($global_status, $value_start, $value_end, $arobase, $infinite_neg, $infinite_pos);
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}
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sub change_bytes {
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my ($self, %options) = @_;
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my $divide = defined($options{network}) ? 1000 : 1024;
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my @units = ('K', 'M', 'G', 'T');
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my $unit = '';
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for (my $i = 0; $i < scalar(@units); $i++) {
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last if (($options{value} / $divide) < 1);
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$unit = $units[$i];
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$options{value} = $options{value} / $divide;
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}
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return (sprintf("%.2f", $options{value}), $unit . (defined($options{network}) ? 'b' : 'B'));
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}
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1;
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__END__
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=head1 NAME
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Perfdata class
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=head1 SYNOPSIS
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-
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=head1 DESCRIPTION
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B<perfdata>.
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=cut
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