centreon-plugins/centreon/plugins/values.pm

318 lines
12 KiB
Perl

#
# Copyright 2021 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package centreon::plugins::values;
use strict;
use warnings;
# Warning message with sprintf and too much arguments.
# Really annoying. Need to disable that warning
no if ($^V gt v5.22.0), 'warnings' => 'redundant';
sub new {
my ($class, %options) = @_;
my $self = {};
bless $self, $class;
$self->{statefile} = $options{statefile};
$self->{output} = $options{output};
$self->{perfdata} = $options{perfdata};
$self->{label} = $options{label};
$self->{nlabel} = $options{nlabel};
$self->{thlabel} = defined($options{thlabel}) ? $options{thlabel} : $self->{label};
$self->{perfdatas} = [];
$self->{output_template} = $self->{label} . ' : %s';
$self->{output_use} = undef;
$self->{output_change_bytes} = 0;
$self->{output_error_template} = $self->{label} . ' : %s';
$self->{threshold_use} = undef;
$self->{threshold_warn} = undef;
$self->{threshold_crit} = undef;
$self->{per_second} = 0;
$self->{manual_keys} = 0;
$self->{last_timestamp} = undef;
$self->{result_values} = {};
return $self;
}
sub init {
my ($self, %options) = @_;
my $unkn = defined($self->{threshold_unkn}) ? $self->{threshold_unkn} : 'unknown-' . $self->{thlabel};
my $warn = defined($self->{threshold_warn}) ? $self->{threshold_warn} : 'warning-' . $self->{thlabel};
my $crit = defined($self->{threshold_crit}) ? $self->{threshold_crit} : 'critical-' . $self->{thlabel};
if (($self->{perfdata}->threshold_validate(label => $unkn, value => $options{option_results}->{$unkn})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong $unkn threshold '" . $options{option_results}->{$unkn} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => $warn, value => $options{option_results}->{$warn})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong $warn threshold '" . $options{option_results}->{$warn} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => $crit, value => $options{option_results}->{$crit})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong $crit threshold '" . $options{option_results}->{$crit} . "'.");
$self->{output}->option_exit();
}
}
sub set {
my ($self, %options) = @_;
foreach (keys %options) {
$self->{$_} = $options{$_};
}
}
sub calc {
my ($self, %options) = @_;
# manage only one value ;)
foreach my $value (@{$self->{key_values}}) {
if (defined($value->{diff}) && $value->{diff} == 1) {
$self->{result_values}->{$value->{name}} = $options{new_datas}->{$self->{instance} . '_' . $value->{name}} - $options{old_datas}->{$self->{instance} . '_' . $value->{name}};
} elsif (defined($value->{per_second}) && $value->{per_second} == 1) {
$self->{result_values}->{$value->{name}} = ($options{new_datas}->{$self->{instance} . '_' . $value->{name}} - $options{old_datas}->{$self->{instance} . '_' . $value->{name}}) / $options{delta_time};
} elsif (defined($value->{per_minute}) && $value->{per_minute} == 1) {
$self->{result_values}->{$value->{name}} = ($options{new_datas}->{$self->{instance} . '_' . $value->{name}} - $options{old_datas}->{$self->{instance} . '_' . $value->{name}}) / ($options{delta_time} / 60);
} else {
$self->{result_values}->{$value->{name}} = $options{new_datas}->{$self->{instance} . '_' . $value->{name}};
}
}
return 0;
}
sub threshold_check {
my ($self, %options) = @_;
if (defined($self->{closure_custom_threshold_check})) {
return &{$self->{closure_custom_threshold_check}}($self, %options);
}
my $unkn = defined($self->{threshold_unkn}) ? $self->{threshold_unkn} : 'unknown-' . $self->{thlabel};
my $warn = defined($self->{threshold_warn}) ? $self->{threshold_warn} : 'warning-' . $self->{thlabel};
my $crit = defined($self->{threshold_crit}) ? $self->{threshold_crit} : 'critical-' . $self->{thlabel};
my $value = '';
if (defined($self->{threshold_use})) {
$value = $self->{result_values}->{ $self->{threshold_use} };
} else {
$value = defined($self->{key_values}->[0]) ? $self->{result_values}->{ $self->{key_values}->[0]->{name} } : '';
}
return $self->{perfdata}->threshold_check(
value => $value, threshold => [
{ label => $crit, exit_litteral => 'critical' },
{ label => $warn, exit_litteral => 'warning' },
{ label => $unkn, exit_litteral => 'unknown' }
]
);
}
sub output_error {
my ($self, %options) = @_;
return sprintf($self->{output_error_template}, $self->{error_msg});
}
sub output {
my ($self, %options) = @_;
if (defined($self->{closure_custom_output})) {
return $self->{closure_custom_output}->($self);
}
my ($value, $unit, $name) = ('', '');
if (defined($self->{output_use})) {
$name = $self->{output_use};
} else {
$name = defined($self->{key_values}->[0]) ? $self->{key_values}->[0]->{name} : undef;
}
if (defined($name)) {
$value = $self->{result_values}->{$name};
if ($self->{output_change_bytes} == 1) {
($value, $unit) = $self->{perfdata}->change_bytes(value => $value);
} elsif ($self->{output_change_bytes} == 2) {
($value, $unit) = $self->{perfdata}->change_bytes(value => $value, network => 1);
}
}
return sprintf($self->{output_template}, $value, $unit);
}
sub use_instances {
my ($self, %options) = @_;
if (!defined($options{extra_instance}) || $options{extra_instance} != 0 || $self->{output}->use_new_perfdata()) {
return 1;
}
return 0;
}
sub perfdata {
my ($self, %options) = @_;
if (defined($self->{closure_custom_perfdata})) {
return &{$self->{closure_custom_perfdata}}($self, %options);
}
my $warn = defined($self->{threshold_warn}) ? $self->{threshold_warn} : 'warning-' . $self->{thlabel};
my $crit = defined($self->{threshold_crit}) ? $self->{threshold_crit} : 'critical-' . $self->{thlabel};
foreach my $perf (@{$self->{perfdatas}}) {
my ($label, $extra_label, $min, $max, $th_total) = ($self->{label}, '');
my $cast_int = (defined($perf->{cast_int}) && $perf->{cast_int} == 1) ? 1 : 0;
my $template = '%s';
$template = $perf->{template} if (defined($perf->{template}));
$label = $perf->{label} if (defined($perf->{label}));
if (defined($perf->{min})) {
$min = ($perf->{min} =~ /[^0-9]/) ? $self->{result_values}->{$perf->{min}} : $perf->{min};
}
if (defined($perf->{max})) {
$max = ($perf->{max} =~ /[^0-9]/) ? $self->{result_values}->{$perf->{max}} : $perf->{max};
}
if (defined($perf->{threshold_total})) {
$th_total = ($perf->{threshold_total} =~ /[^0-9]/) ? $self->{result_values}->{$perf->{threshold_total}} : $perf->{threshold_total};
}
my $instances;
if (defined($perf->{label_extra_instance}) && $perf->{label_extra_instance} == 1) {
my $instance = '';
if (defined($perf->{instance_use})) {
$instance = $self->{result_values}->{$perf->{instance_use}};
} else {
$instance = $self->{instance};
}
if (!defined($options{extra_instance}) || $options{extra_instance} != 0 || $self->{output}->use_new_perfdata()) {
$instances = $instance;
}
}
my $value = defined($perf->{value}) ? $perf->{value} : $self->{key_values}->[0]->{name};
$self->{output}->perfdata_add(
label => $label,
instances => $instances,
nlabel => $self->{nlabel},
unit => $perf->{unit},
value => $cast_int == 1 ? int($self->{result_values}->{$value}) : sprintf($template, $self->{result_values}->{$value}),
warning => $self->{perfdata}->get_perfdata_for_output(label => $warn, total => $th_total, cast_int => $cast_int),
critical => $self->{perfdata}->get_perfdata_for_output(label => $crit, total => $th_total, cast_int => $cast_int),
min => $min,
max => $max
);
}
}
sub execute {
my ($self, %options) = @_;
my $old_datas = {};
$self->{result_values} = {},
$self->{error_msg} = undef;
my $quit = 0;
$options{new_datas} = {} if (!defined($options{new_datas}));
foreach my $value (@{$self->{key_values}}) {
if (!defined($options{values}->{$value->{name}}) ||
defined($value->{no_value}) && $options{values}->{$value->{name}} eq $value->{no_value}) {
$quit = 2;
last;
}
if ((defined($value->{diff}) && $value->{diff} == 1) ||
(defined($value->{per_minute}) && $value->{per_minute} == 1) ||
(defined($value->{per_second}) && $value->{per_second} == 1)) {
$options{new_datas}->{$self->{instance} . '_' . $value->{name}} = $options{values}->{$value->{name}};
$old_datas->{$self->{instance} . '_' . $value->{name}} = $self->{statefile}->get(name => $self->{instance} . '_' . $value->{name});
if (!defined($old_datas->{$self->{instance} . '_' . $value->{name}})) {
$quit = 1;
next;
}
if ($old_datas->{$self->{instance} . '_' . $value->{name}} > $options{new_datas}->{$self->{instance} . '_' . $value->{name}}) {
$old_datas->{$self->{instance} . '_' . $value->{name}} = 0;
}
} else {
$options{new_datas}->{$self->{instance} . '_' . $value->{name}} = $options{values}->{$value->{name}};
if (defined($self->{statefile})) {
$old_datas->{$self->{instance} . '_' . $value->{name}} = $self->{statefile}->get(name => $self->{instance} . '_' . $value->{name});
}
}
}
# Very manual
if ($self->{manual_keys} == 1) {
foreach my $name (keys %{$options{values}}) {
$options{new_datas}->{$self->{instance} . '_' . $name} = $options{values}->{$name};
if (defined($self->{statefile})) {
$old_datas->{$self->{instance} . '_' . $name} = $self->{statefile}->get(name => $self->{instance} . '_' . $name);
}
}
}
if ($quit == 2) {
$self->{error_msg} = 'skipped (no value(s))';
return -10;
}
if (defined($self->{statefile})) {
$self->{last_timestamp} = $self->{statefile}->get(name => 'last_timestamp');
}
if ($quit == 1) {
$self->{error_msg} = 'Buffer creation';
return -1;
}
my $delta_time;
if (defined($self->{statefile}) && defined($self->{last_timestamp})) {
$delta_time = $options{new_datas}->{last_timestamp} - $self->{last_timestamp};
if ($delta_time <= 0) {
$delta_time = 1;
}
}
if (defined($self->{closure_custom_calc})) {
return $self->{closure_custom_calc}->(
$self,
old_datas => $old_datas,
new_datas => $options{new_datas},
delta_time => $delta_time,
extra_options => $self->{closure_custom_calc_extra_options}
);
}
return $self->calc(old_datas => $old_datas, new_datas => $options{new_datas}, delta_time => $delta_time);
}
1;
__END__