313 lines
13 KiB
Perl
313 lines
13 KiB
Perl
#
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# Copyright 2021 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::common::cisco::standard::snmp::mode::components::sensor;
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use strict;
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use warnings;
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use centreon::plugins::misc;
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my %map_sensor_status = (
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1 => 'ok',
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2 => 'unavailable',
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3 => 'nonoperational',
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);
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my %map_sensor_type = (
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1 => 'other',
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2 => 'unknown',
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3 => 'voltsAC',
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4 => 'voltsDC',
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5 => 'amperes',
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6 => 'watts',
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7 => 'hertz',
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8 => 'celsius',
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9 => 'percentRH',
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10 => 'rpm',
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11 => 'cmm',
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12 => 'truthvalue',
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13 => 'specialEnum',
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14 => 'dBm',
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);
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my %map_scale = (
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1 => -24, # yocto,
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2 => -21, # zepto
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3 => -18, # atto
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4 => -15, # femto
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5 => -12, # pico
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6 => -9, # nano
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7 => -6, # micro
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8 => -3, # milli
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9 => 0, #units
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10 => 3, #kilo
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11 => 6, #mega
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12 => 9, #giga
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13 => 12, #tera
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14 => 18, #exa
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15 => 15, #peta
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16 => 21, #zetta
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17 => 24, #yotta
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);
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my %map_severity = (
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1 => 'other',
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10 => 'minor',
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20 => 'major',
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30 => 'critical',
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);
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my %map_relation = (
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1 => 'lessThan',
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2 => 'lessOrEqual',
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3 => 'greaterThan',
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4 => 'greaterOrEqual',
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5 => 'equalTo',
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6 => 'notEqualTo',
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);
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my %perfdata_unit = (
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'other' => '',
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'unknown' => '',
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'voltsAC' => 'V',
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'voltsDC' => 'V',
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'amperes' => 'A',
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'watts' => 'W',
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'hertz' => 'Hz',
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'celsius' => 'C',
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'percentRH' => '%',
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'rpm' => 'rpm',
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'cmm' => '',
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'truthvalue' => '',
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'specialEnum' => '',
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'dBm' => 'dBm',
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);
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# In MIB 'CISCO-ENTITY-SENSOR-MIB'
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my $mapping = {
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entSensorType => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.1', map => \%map_sensor_type },
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entSensorScale => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.2', map => \%map_scale },
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entSensorPrecision => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.3' },
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entSensorValue => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.4' },
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entSensorStatus => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.5', map => \%map_sensor_status },
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entSensorValueUpdateRate => { oid => '.1.3.6.1.4.1.9.9.91.1.1.1.1.7' }, # 0 means no threshold check
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};
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my $mapping2 = {
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entSensorThresholdSeverity => { oid => '.1.3.6.1.4.1.9.9.91.1.2.1.1.2', map => \%map_severity },
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entSensorThresholdRelation => { oid => '.1.3.6.1.4.1.9.9.91.1.2.1.1.3', map => \%map_relation },
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entSensorThresholdValue => { oid => '.1.3.6.1.4.1.9.9.91.1.2.1.1.4' },
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};
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my $oid_entSensorValueEntry = '.1.3.6.1.4.1.9.9.91.1.1.1.1';
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my $oid_entSensorThresholdEntry = '.1.3.6.1.4.1.9.9.91.1.2.1.1';
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my $oid_entPhysicalDescr = '.1.3.6.1.2.1.47.1.1.1.1.2';
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sub load {
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my ($self) = @_;
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push @{$self->{request}}, { oid => $oid_entSensorValueEntry, end => $mapping->{entSensorStatus}->{oid} },
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{ oid => $oid_entSensorThresholdEntry, end => $mapping2->{entSensorThresholdValue}->{oid} };
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}
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sub get_default_warning_threshold {
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my ($self, %options) = @_;
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my ($high_th, $low_th);
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foreach my $oid ($self->{snmp}->oid_lex_sort(keys %{$self->{results}->{$oid_entSensorThresholdEntry}})) {
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next if ($oid !~ /^$mapping2->{entSensorThresholdSeverity}->{oid}\.$options{instance}\.(.*)$/);
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my $instance = $1;
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my $result = $self->{snmp}->map_instance(mapping => $mapping2, results => $self->{results}->{$oid_entSensorThresholdEntry}, instance => $options{instance} . '.' . $instance);
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next if ($result->{entSensorThresholdSeverity} ne 'minor');
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my $value = $result->{entSensorThresholdValue} * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision})));
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if ($result->{entSensorThresholdRelation} eq 'greaterOrEqual') {
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$high_th = $value - (1 * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision}))));
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} elsif ($result->{entSensorThresholdRelation} eq 'greaterThan') {
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$high_th = $value;
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} elsif ($result->{entSensorThresholdRelation} eq 'lessOrEqual') {
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$low_th = $value + (1 * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision}))));
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} elsif ($result->{entSensorThresholdRelation} eq 'lessThan') {
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$low_th = $value;
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}
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}
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# when it's the same value. Means no threshold.
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if (defined($low_th) && defined($high_th) && $high_th <= $low_th) {
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return '';
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}
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my $th = '';
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$th = centreon::plugins::misc::expand_exponential(value => $low_th) . ':' if (defined($low_th));
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$th .= centreon::plugins::misc::expand_exponential(value => $high_th) if (defined($high_th));
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$th = '~:' . $high_th if (defined($high_th) && !defined($low_th));
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return $th;
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}
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sub get_default_critical_threshold {
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my ($self, %options) = @_;
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my ($high_th, $low_th);
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foreach my $oid ($self->{snmp}->oid_lex_sort(keys %{$self->{results}->{$oid_entSensorThresholdEntry}})) {
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next if ($oid !~ /^$mapping2->{entSensorThresholdSeverity}->{oid}\.$options{instance}\.(.*)$/);
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my $instance = $1;
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my $result = $self->{snmp}->map_instance(mapping => $mapping2, results => $self->{results}->{$oid_entSensorThresholdEntry}, instance => $options{instance} . '.' . $instance);
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next if ($result->{entSensorThresholdSeverity} !~ /major|critical/);
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my $value = $result->{entSensorThresholdValue} * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision})));
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if ($result->{entSensorThresholdRelation} eq 'greaterOrEqual') {
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$high_th = $value - (1 * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision}))));
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} elsif ($result->{entSensorThresholdRelation} eq 'greaterThan') {
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$high_th = $value;
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} elsif ($result->{entSensorThresholdRelation} eq 'lessOrEqual') {
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$low_th = $value + (1 * (10 ** ($options{result}->{entSensorScale}) * (10 ** -($options{result}->{entSensorPrecision}))));
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} elsif ($result->{entSensorThresholdRelation} eq 'lessThan') {
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$low_th = $value;
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}
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}
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# when it's the same value. Means no threshold.
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if (defined($low_th) && defined($high_th) && $high_th <= $low_th) {
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return '';
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}
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my $th = '';
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$th = centreon::plugins::misc::expand_exponential(value => $low_th) . ':' if (defined($low_th));
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$th .= centreon::plugins::misc::expand_exponential(value => $high_th) if (defined($high_th));
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$th = '~:' . $high_th if (defined($high_th) && !defined($low_th));
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return $th;
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}
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sub check {
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my ($self) = @_;
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$self->{output}->output_add(long_msg => "Checking sensors");
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$self->{components}->{sensor} = {name => 'sensors', total => 0, skip => 0};
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return if ($self->check_filter(section => 'sensor'));
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my $verify_th_update = {};
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foreach my $oid ($self->{snmp}->oid_lex_sort(keys %{$self->{results}->{$oid_entSensorValueEntry}})) {
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next if ($oid !~ /^$mapping->{entSensorStatus}->{oid}\.(.*)$/);
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my $instance = $1;
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my $result = $self->{snmp}->map_instance(mapping => $mapping, results => $self->{results}->{$oid_entSensorValueEntry}, instance => $instance);
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next if (!defined($self->{results}->{$oid_entPhysicalDescr}->{$oid_entPhysicalDescr . '.' . $instance}));
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my $sensor_descr = $self->{results}->{$oid_entPhysicalDescr}->{$oid_entPhysicalDescr . '.' . $instance};
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next if ($self->check_filter(section => 'sensor', instance => $result->{entSensorType} . '.' . $instance));
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$self->{components}->{sensor}->{total}++;
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$result->{entSensorValue} = defined($result->{entSensorValue}) ?
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$result->{entSensorValue} * (10 ** ($result->{entSensorScale}) * (10 ** -($result->{entSensorPrecision}))) : undef;
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$self->{output}->output_add(
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long_msg => sprintf(
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"Sensor '%s' status is '%s' [instance: %s] [value: %s %s]",
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$sensor_descr, $result->{entSensorStatus},
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$instance,
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defined($result->{entSensorValue}) ? $result->{entSensorValue} : '-',
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$result->{entSensorType}
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)
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);
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my $exit = $self->get_severity(section => $result->{entSensorType}, label => 'sensor', value => $result->{entSensorStatus});
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if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
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$self->{output}->output_add(
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severity => $exit,
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short_msg => sprintf(
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"Sensor '%s/%s' status is '%s'",
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$sensor_descr, $instance, $result->{entSensorStatus}
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)
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);
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}
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next if (!defined($result->{entSensorValue}) || $result->{entSensorValue} !~ /[0-9]/);
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my $component = 'sensor.' . $result->{entSensorType};
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my ($exit2, $warn, $crit, $checked) = $self->get_severity_numeric(section => $component, instance => $instance, value => $result->{entSensorValue});
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if ($checked == 0) {
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my $warn_th = get_default_warning_threshold($self, instance => $instance, result => $result);
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my $crit_th = get_default_critical_threshold($self, instance => $instance, result => $result);
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$self->{perfdata}->threshold_validate(label => 'warning-' . $component . '-instance-' . $instance, value => $warn_th);
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$self->{perfdata}->threshold_validate(label => 'critical-' . $component . '-instance-' . $instance, value => $crit_th);
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$warn = $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $component . '-instance-' . $instance);
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$crit = $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $component . '-instance-' . $instance);
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$exit2 = $self->{perfdata}->threshold_check(
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value => $result->{entSensorValue},
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threshold => [
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{ label => 'critical-' . $component . '-instance-' . $instance, exit_litteral => 'critical' },
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{ label => 'warning-' . $component . '-instance-' . $instance, exit_litteral => 'warning' }
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]
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);
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}
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if (!$self->{output}->is_status(value => $exit2, compare => 'ok', litteral => 1)) {
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# we verify if it's a entSensorValueUpdateRate is not zero
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if ($checked == 0) {
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$verify_th_update->{$instance} = { result => $result, warn => $warn, crit => $crit, sensor_descr => $sensor_descr, status => $exit2 };
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next;
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}
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$self->{output}->output_add(
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severity => $exit2,
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short_msg => sprintf(
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"Sensor '%s/%s' is %s %s",
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$sensor_descr, $instance, $result->{entSensorValue}, $perfdata_unit{$result->{entSensorType}}
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)
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);
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}
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$self->{output}->perfdata_add(
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label => $component, unit => $perfdata_unit{$result->{entSensorType}},
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nlabel => 'hardware.' . $component,
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instances => $sensor_descr,
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value => $result->{entSensorValue},
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warning => $warn,
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critical => $crit
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);
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}
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return if (scalar(keys %$verify_th_update) <= 0);
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my $snmp_result = $self->{snmp}->get_leef(oids => [map($mapping->{entSensorValueUpdateRate}->{oid} . '.' . $_, keys(%$verify_th_update))]);
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foreach (keys %$verify_th_update) {
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my ($warn, $crit) = ($verify_th_update->{$_}->{warn}, $verify_th_update->{$_}->{crit});
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if (defined($snmp_result->{$mapping->{entSensorValueUpdateRate}->{oid} . '.' . $_}) &&
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$snmp_result->{$mapping->{entSensorValueUpdateRate}->{oid} . '.' . $_} == 0) {
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($warn, $crit) = ('', '');
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$verify_th_update->{$_}->{status} = 'ok';
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}
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if (!$self->{output}->is_status(value => $verify_th_update->{$_}->{status}, compare => 'ok', litteral => 1)) {
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$self->{output}->output_add(
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severity => $verify_th_update->{$_}->{status},
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short_msg => sprintf(
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"Sensor '%s/%s' is %s %s",
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$verify_th_update->{$_}->{sensor_descr}, $_,
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$verify_th_update->{$_}->{result}->{entSensorValue},
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$perfdata_unit{ $verify_th_update->{$_}->{result}->{entSensorType} }
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)
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);
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}
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$self->{output}->perfdata_add(
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label => 'sensor.' . $verify_th_update->{$_}->{result}->{entSensorType},
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unit => $perfdata_unit{ $verify_th_update->{$_}->{result}->{entSensorType} },
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nlabel => 'hardware.sensor.' . $verify_th_update->{$_}->{result}->{entSensorType},
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instances => $verify_th_update->{$_}->{sensor_descr},
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value => $verify_th_update->{$_}->{result}->{entSensorValue},
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warning => $warn,
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critical => $crit
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);
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}
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}
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1;
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