centreon-plugins/centreon/common/cisco/standard/snmp/mode/components/sensor.pm

313 lines
13 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::common::cisco::standard::snmp::mode::components::sensor;
use strict;
use warnings;
use centreon::plugins::misc;
my %map_sensor_status = (
1 => 'ok',
2 => 'unavailable',
3 => 'nonoperational',
);
my %map_sensor_type = (
1 => 'other',
2 => 'unknown',
3 => 'voltsAC',
4 => 'voltsDC',
5 => 'amperes',
6 => 'watts',
7 => 'hertz',
8 => 'celsius',
9 => 'percentRH',
10 => 'rpm',
11 => 'cmm',
12 => 'truthvalue',
13 => 'specialEnum',
14 => 'dBm',
);
my %map_scale = (
1 => -24, # yocto,
2 => -21, # zepto
3 => -18, # atto
4 => -15, # femto
5 => -12, # pico
6 => -9, # nano
7 => -6, # micro
8 => -3, # milli
9 => 0, #units
10 => 3, #kilo
11 => 6, #mega
12 => 9, #giga
13 => 12, #tera
14 => 18, #exa
15 => 15, #peta
16 => 21, #zetta
17 => 24, #yotta
);
my %map_severity = (
1 => 'other',
10 => 'minor',
20 => 'major',
30 => 'critical',
);
my %map_relation = (
1 => 'lessThan',
2 => 'lessOrEqual',
3 => 'greaterThan',
4 => 'greaterOrEqual',
5 => 'equalTo',
6 => 'notEqualTo',
);
my %perfdata_unit = (
'other' => '',
'unknown' => '',
'voltsAC' => 'V',
'voltsDC' => 'V',
'amperes' => 'A',
'watts' => 'W',
'hertz' => 'Hz',
'celsius' => 'C',
'percentRH' => '%',
'rpm' => 'rpm',
'cmm' => '',
'truthvalue' => '',
'specialEnum' => '',
'dBm' => 'dBm',
);
# In MIB 'CISCO-ENTITY-SENSOR-MIB'
my $mapping = {
entSensorType => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.1', map => \%map_sensor_type },
entSensorScale => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.2', map => \%map_scale },
entSensorPrecision => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.3' },
entSensorValue => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.4' },
entSensorStatus => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.5', map => \%map_sensor_status },
entSensorValueUpdateRate => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.7' }, # 0 means no threshold check
};
my $mapping2 = {
entSensorThresholdSeverity => { oid => '.1.3.6.1.4.1.9.9.91.1.2.1.1.2', map => \%map_severity },
entSensorThresholdRelation => { oid => '.1.3.6.1.4.1.9.9.91.1.2.1.1.3', map => \%map_relation },
entSensorThresholdValue => { oid => '.1.3.6.1.4.1.9.9.91.1.2.1.1.4' },
};
my $oid_entSensorValueEntry = '.1.3.6.1.4.1.9.9.91.1.1.1.1';
my $oid_entSensorThresholdEntry = '.1.3.6.1.4.1.9.9.91.1.2.1.1';
my $oid_entPhysicalDescr = '.1.3.6.1.2.1.47.1.1.1.1.2';
sub load {
my ($self) = @_;
push @{$self->{request}}, { oid => $oid_entSensorValueEntry, end => $mapping->{entSensorStatus}->{oid} },
{ oid => $oid_entSensorThresholdEntry, end => $mapping2->{entSensorThresholdValue}->{oid} };
}
sub get_default_warning_threshold {
my ($self, %options) = @_;
my ($high_th, $low_th);
foreach my $oid ($self->{snmp}->oid_lex_sort(keys %{$self->{results}->{$oid_entSensorThresholdEntry}})) {
next if ($oid !~ /^$mapping2->{entSensorThresholdSeverity}->{oid}\.$options{instance}\.(.*)$/);
my $instance = $1;
my $result = $self->{snmp}->map_instance(mapping => $mapping2, results => $self->{results}->{$oid_entSensorThresholdEntry}, instance => $options{instance} . '.' . $instance);
next if ($result->{entSensorThresholdSeverity} ne 'minor');
my $value = $result->{entSensorThresholdValue} * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision})));
if ($result->{entSensorThresholdRelation} eq 'greaterOrEqual') {
$high_th = $value - (1 * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision}))));
} elsif ($result->{entSensorThresholdRelation} eq 'greaterThan') {
$high_th = $value;
} elsif ($result->{entSensorThresholdRelation} eq 'lessOrEqual') {
$low_th = $value + (1 * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision}))));
} elsif ($result->{entSensorThresholdRelation} eq 'lessThan') {
$low_th = $value;
}
}
# when it's the same value. Means no threshold.
if (defined($low_th) && defined($high_th) && $high_th <= $low_th) {
return '';
}
my $th = '';
$th = centreon::plugins::misc::expand_exponential(value => $low_th) . ':' if (defined($low_th));
$th .= centreon::plugins::misc::expand_exponential(value => $high_th) if (defined($high_th));
$th = '~:' . $high_th if (defined($high_th) && !defined($low_th));
return $th;
}
sub get_default_critical_threshold {
my ($self, %options) = @_;
my ($high_th, $low_th);
foreach my $oid ($self->{snmp}->oid_lex_sort(keys %{$self->{results}->{$oid_entSensorThresholdEntry}})) {
next if ($oid !~ /^$mapping2->{entSensorThresholdSeverity}->{oid}\.$options{instance}\.(.*)$/);
my $instance = $1;
my $result = $self->{snmp}->map_instance(mapping => $mapping2, results => $self->{results}->{$oid_entSensorThresholdEntry}, instance => $options{instance} . '.' . $instance);
next if ($result->{entSensorThresholdSeverity} !~ /major|critical/);
my $value = $result->{entSensorThresholdValue} * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision})));
if ($result->{entSensorThresholdRelation} eq 'greaterOrEqual') {
$high_th = $value - (1 * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision}))));
} elsif ($result->{entSensorThresholdRelation} eq 'greaterThan') {
$high_th = $value;
} elsif ($result->{entSensorThresholdRelation} eq 'lessOrEqual') {
$low_th = $value + (1 * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision}))));
} elsif ($result->{entSensorThresholdRelation} eq 'lessThan') {
$low_th = $value;
}
}
# when it's the same value. Means no threshold.
if (defined($low_th) && defined($high_th) && $high_th <= $low_th) {
return '';
}
my $th = '';
$th = centreon::plugins::misc::expand_exponential(value => $low_th) . ':' if (defined($low_th));
$th .= centreon::plugins::misc::expand_exponential(value => $high_th) if (defined($high_th));
$th = '~:' . $high_th if (defined($high_th) && !defined($low_th));
return $th;
}
sub check {
my ($self) = @_;
$self->{output}->output_add(long_msg => "Checking sensors");
$self->{components}->{sensor} = {name => 'sensors', total => 0, skip => 0};
return if ($self->check_filter(section => 'sensor'));
my $verify_th_update = {};
foreach my $oid ($self->{snmp}->oid_lex_sort(keys %{$self->{results}->{$oid_entSensorValueEntry}})) {
next if ($oid !~ /^$mapping->{entSensorStatus}->{oid}\.(.*)$/);
my $instance = $1;
my $result = $self->{snmp}->map_instance(mapping => $mapping, results => $self->{results}->{$oid_entSensorValueEntry}, instance => $instance);
next if (!defined($self->{results}->{$oid_entPhysicalDescr}->{$oid_entPhysicalDescr . '.' . $instance}));
my $sensor_descr = $self->{results}->{$oid_entPhysicalDescr}->{$oid_entPhysicalDescr . '.' . $instance};
next if ($self->check_filter(section => 'sensor', instance => $result->{entSensorType} . '.' . $instance));
$self->{components}->{sensor}->{total}++;
$result->{entSensorValue} = defined($result->{entSensorValue}) ?
$result->{entSensorValue} * (10 ** ($result->{entSensorScale}) * (10 ** -($result->{entSensorPrecision}))) : undef;
$self->{output}->output_add(
long_msg => sprintf(
"Sensor '%s' status is '%s' [instance: %s] [value: %s %s]",
$sensor_descr, $result->{entSensorStatus},
$instance,
defined($result->{entSensorValue}) ? $result->{entSensorValue} : '-',
$result->{entSensorType}
)
);
my $exit = $self->get_severity(section => $result->{entSensorType}, label => 'sensor', value => $result->{entSensorStatus});
if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
$self->{output}->output_add(
severity => $exit,
short_msg => sprintf(
"Sensor '%s/%s' status is '%s'",
$sensor_descr, $instance, $result->{entSensorStatus}
)
);
}
next if (!defined($result->{entSensorValue}) || $result->{entSensorValue} !~ /[0-9]/);
my $component = 'sensor.' . $result->{entSensorType};
my ($exit2, $warn, $crit, $checked) = $self->get_severity_numeric(section => $component, instance => $instance, value => $result->{entSensorValue});
if ($checked == 0) {
my $warn_th = get_default_warning_threshold($self, instance => $instance, result => $result);
my $crit_th = get_default_critical_threshold($self, instance => $instance, result => $result);
$self->{perfdata}->threshold_validate(label => 'warning-' . $component . '-instance-' . $instance, value => $warn_th);
$self->{perfdata}->threshold_validate(label => 'critical-' . $component . '-instance-' . $instance, value => $crit_th);
$warn = $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $component . '-instance-' . $instance);
$crit = $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $component . '-instance-' . $instance);
$exit2 = $self->{perfdata}->threshold_check(
value => $result->{entSensorValue},
threshold => [
{ label => 'critical-' . $component . '-instance-' . $instance, exit_litteral => 'critical' },
{ label => 'warning-' . $component . '-instance-' . $instance, exit_litteral => 'warning' }
]
);
}
if (!$self->{output}->is_status(value => $exit2, compare => 'ok', litteral => 1)) {
# we verify if it's a entSensorValueUpdateRate is not zero
if ($checked == 0) {
$verify_th_update->{$instance} = { result => $result, warn => $warn, crit => $crit, sensor_descr => $sensor_descr, status => $exit2 };
next;
}
$self->{output}->output_add(
severity => $exit2,
short_msg => sprintf(
"Sensor '%s/%s' is %s %s",
$sensor_descr, $instance, $result->{entSensorValue}, $perfdata_unit{$result->{entSensorType}}
)
);
}
$self->{output}->perfdata_add(
label => $component, unit => $perfdata_unit{$result->{entSensorType}},
nlabel => 'hardware.' . $component,
instances => $sensor_descr,
value => $result->{entSensorValue},
warning => $warn,
critical => $crit
);
}
return if (scalar(keys %$verify_th_update) <= 0);
my $snmp_result = $self->{snmp}->get_leef(oids => [map($mapping->{entSensorValueUpdateRate}->{oid} . '.' . $_, keys(%$verify_th_update))]);
foreach (keys %$verify_th_update) {
my ($warn, $crit) = ($verify_th_update->{$_}->{warn}, $verify_th_update->{$_}->{crit});
if (defined($snmp_result->{$mapping->{entSensorValueUpdateRate}->{oid} . '.' . $_}) &&
$snmp_result->{$mapping->{entSensorValueUpdateRate}->{oid} . '.' . $_} == 0) {
($warn, $crit) = ('', '');
$verify_th_update->{$_}->{status} = 'ok';
}
if (!$self->{output}->is_status(value => $verify_th_update->{$_}->{status}, compare => 'ok', litteral => 1)) {
$self->{output}->output_add(
severity => $verify_th_update->{$_}->{status},
short_msg => sprintf(
"Sensor '%s/%s' is %s %s",
$verify_th_update->{$_}->{sensor_descr}, $_,
$verify_th_update->{$_}->{result}->{entSensorValue},
$perfdata_unit{ $verify_th_update->{$_}->{result}->{entSensorType} }
)
);
}
$self->{output}->perfdata_add(
label => 'sensor.' . $verify_th_update->{$_}->{result}->{entSensorType},
unit => $perfdata_unit{ $verify_th_update->{$_}->{result}->{entSensorType} },
nlabel => 'hardware.sensor.' . $verify_th_update->{$_}->{result}->{entSensorType},
instances => $verify_th_update->{$_}->{sensor_descr},
value => $verify_th_update->{$_}->{result}->{entSensorValue},
warning => $warn,
critical => $crit
);
}
}
1;