130 lines
4.0 KiB
Perl
130 lines
4.0 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 database::oracle::mode::redologusage;
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use base qw(centreon::plugins::templates::counter);
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use strict;
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use warnings;
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use Digest::MD5 qw(md5_hex);
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sub custom_get_hitratio_calc {
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my ($self, %options) = @_;
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my $delta_total = ($options{new_datas}->{$self->{instance} . '_redo_entries'} - $options{old_datas}->{$self->{instance} . '_redo_entries'});
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my $delta_retry = ($options{new_datas}->{$self->{instance} . '_redo_buffer_alloc_retries'} - $options{old_datas}->{$self->{instance} . '_redo_buffer_alloc_retries'});
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$self->{result_values}->{retry_ratio} = $delta_total ? (100 * $delta_retry / $delta_total) : 0;
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return 0;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'global', cb_prefix_output => 'prefix_global_output', type => 0 }
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];
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$self->{maps_counters}->{global} = [
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{ label => 'retry-ratio', nlabel => 'redolog.retry.ratio.percentage', set => {
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key_values => [ { name => 'redo_buffer_alloc_retries', diff => 1 }, { name => 'redo_entries', diff => 1 } ],
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closure_custom_calc => $self->can('custom_get_hitratio_calc'),
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output_template => 'retry ratio %.2f%%',
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output_use => 'retry_ratio', threshold_use => 'retry_ratio',
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perfdatas => [
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{ label => 'retry_ratio', value => 'retry_ratio', template => '%.2f', min => 0, max => 100, unit => '%' }
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]
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}
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},
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{ label => 'traffic-io', nlabel => 'redolog.traffic.io.bytespersecond', set => {
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key_values => [ { name => 'redo_size', per_second => 1 } ],
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output_change_bytes => 1,
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output_template => 'traffic io %s %s/s',
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perfdatas => [
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{ label => 'traffic_io', template => '%s', min => 0, unit => 'B/s' }
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]
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}
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}
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];
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}
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sub prefix_global_output {
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my ($self, %options) = @_;
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return 'Redo log ';
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1, force_new_perfdata => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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});
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return $self;
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}
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sub manage_selection {
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my ($self, %options) = @_;
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my $query = q{
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SELECT a.value, b.value, c.value
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FROM v$sysstat a, v$sysstat b, v$sysstat c
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WHERE a.name = 'redo buffer allocation retries'
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AND b.name = 'redo entries'
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AND c.name = 'redo size'
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};
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$options{sql}->connect();
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$options{sql}->query(query => $query);
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my @result = $options{sql}->fetchrow_array();
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$options{sql}->disconnect();
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$self->{global} = {
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redo_buffer_alloc_retries => $result[0],
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redo_entries => $result[1],
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redo_size => $result[2],
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};
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$self->{cache_name} = "oracle_" . $self->{mode} . '_' . $options{sql}->get_unique_id4save() . '_' .
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(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
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}
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1;
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__END__
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=head1 MODE
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Check Oracle redo log usage.
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=over 8
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=item B<--warning-*> B<--critical-*>
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Thresholds.
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Can be: 'retry-ratio', 'traffic-io'.
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=back
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=cut
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