295 lines
15 KiB
Perl
295 lines
15 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 database::informix::mode::tablelocks;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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use centreon::plugins::misc;
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use centreon::plugins::statefile;
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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);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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{
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"warning-deadlks:s" => { name => 'warning_deadlks', },
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"critical-deadlks:s" => { name => 'critical_deadlks', },
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"warning-lockwts:s" => { name => 'warning_lockwts', },
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"critical-lockwts:s" => { name => 'critical_lockwts', },
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"warning-lockreqs:s" => { name => 'warning_lockreqs', },
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"critical-lockreqs:s" => { name => 'critical_lockreqs', },
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"warning-lktouts:s" => { name => 'warning_lktouts', },
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"critical-lktouts:s" => { name => 'critical_lktouts', },
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"name:s" => { name => 'name', },
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"regexp" => { name => 'use_regexp' },
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"filter-tables:s" => { name => 'filter_tables' },
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"only-databases" => { name => 'only_databases' },
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});
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$self->{statefile_cache} = centreon::plugins::statefile->new(%options);
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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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if (($self->{perfdata}->threshold_validate(label => 'warning-deadlks', value => $self->{option_results}->{warning_deadlks})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-deadlks threshold '" . $self->{option_results}->{warning_deadlks} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-deadlks', value => $self->{option_results}->{critical_deadlks})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-deadlks threshold '" . $self->{option_results}->{critical_deadlks} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warning-lockwts', value => $self->{option_results}->{warning_lockwts})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-lockwts threshold '" . $self->{option_results}->{warning_lockwts} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-lockwts', value => $self->{option_results}->{critical_lockwts})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-lockwts threshold '" . $self->{option_results}->{critical_lockwts} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warning-lockreqs', value => $self->{option_results}->{warning_lockreqs})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-lockreqs threshold '" . $self->{option_results}->{warning_lockreqs} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-lockreqs', value => $self->{option_results}->{critical_lockreqs})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-lockreqs threshold '" . $self->{option_results}->{critical_lockreqs} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warning-lktouts', value => $self->{option_results}->{warning_block})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-lktouts threshold '" . $self->{option_results}->{warning_block} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-lktouts', value => $self->{option_results}->{critical_lktouts})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-lktouts threshold '" . $self->{option_results}->{critical_lktouts} . "'.");
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$self->{output}->option_exit();
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}
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$self->{statefile_cache}->check_options(%options);
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}
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sub run {
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my ($self, %options) = @_;
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# $options{sql} = sqlmode object
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$self->{sql} = $options{sql};
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$self->{sql}->connect();
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my $query = q{
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SELECT dbsname, tabname, deadlks, lockwts, lockreqs, lktouts FROM sysptprof
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ORDER BY dbsname, tabname
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};
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$self->{sql}->query(query => $query);
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$self->{output}->output_add(severity => 'OK',
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short_msg => 'All database/table locks are ok');
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my $new_datas = {};
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$self->{statefile_cache}->read(statefile => 'informix_' . $self->{mode} . '_' . $self->{sql}->get_unique_id4save());
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my $old_timestamp = $self->{statefile_cache}->get(name => 'last_timestamp');
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$new_datas->{last_timestamp} = time();
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my $count = 0;
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my $db_found = {};
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while ((my $row = $self->{sql}->fetchrow_hashref())) {
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my $dbname = centreon::plugins::misc::trim($row->{dbsname});
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my $tabname = centreon::plugins::misc::trim($row->{tabname});
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my $longname = $dbname . '.' . $tabname;
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next if (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp}) && $dbname ne $self->{option_results}->{name});
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next if (defined($self->{option_results}->{name}) && defined($self->{option_results}->{use_regexp}) && $dbname !~ /$self->{option_results}->{name}/);
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next if (defined($self->{option_results}->{filter_tables}) && $longname !~ /$self->{option_results}->{filter_tables}/);
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$count++;
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my $old_datas = {};
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my $get_old_value = 0;
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$db_found->{$dbname} = {deadlks => 0, lockwts => 0, lockreqs => 0, lktouts => 0, process => 0} if (!defined($db_found->{$dbname}));
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foreach (('deadlks', 'lockwts', 'lockreqs', 'lktouts')) {
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$new_datas->{$dbname . '_' . $_} = 0 if (!defined($new_datas->{$dbname . '_' . $_}));
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$new_datas->{$dbname . '_' . $_} += $row->{$_};
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$new_datas->{$longname . '_' . $_} = $row->{$_};
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$old_datas->{$longname . '_' . $_} = $self->{statefile_cache}->get(name => $longname . '_' . $_);
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# Restart or onstat -z - we set to 0
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$old_datas->{$longname . '_' . $_} = 0 if (defined($old_datas->{$longname . '_' . $_}) && $old_datas->{$longname . '_' . $_} > $new_datas->{$longname . '_' . $_});
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# If we have a buffer or not
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if (defined($old_datas->{$longname . '_' . $_})) {
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$get_old_value = 1;
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$db_found->{$dbname}->{$_} += $old_datas->{$longname . '_' . $_};
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}
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}
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# Buffer needed
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next if ($get_old_value == 0 || !defined($old_timestamp));
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$db_found->{$dbname}->{process} = 1;
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next if ($self->{option_results}->{only_databases});
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my $diff = {};
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foreach (('deadlks', 'lockwts', 'lockreqs', 'lktouts')) {
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$diff->{$_} = $new_datas->{$longname . '_' . $_} - $old_datas->{$longname . '_' . $_};
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}
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my $exit1 = $self->{perfdata}->threshold_check(value => $diff->{deadlks}, threshold => [ { label => 'critical-deadlks', 'exit_litteral' => 'critical' }, { label => 'warning-deadlks', exit_litteral => 'warning' } ]);
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my $exit2 = $self->{perfdata}->threshold_check(value => $diff->{lockwts}, threshold => [ { label => 'critical-lockwts', 'exit_litteral' => 'critical' }, { label => 'warning-lockwts', exit_litteral => 'warning' } ]);
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my $exit3 = $self->{perfdata}->threshold_check(value => $diff->{lockreqs}, threshold => [ { label => 'critical-lockreqs', 'exit_litteral' => 'critical' }, { label => 'warning-lockreqs', exit_litteral => 'warning' } ]);
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my $exit4 = $self->{perfdata}->threshold_check(value => $diff->{lktouts}, threshold => [ { label => 'critical-lktouts', 'exit_litteral' => 'critical' }, { label => 'warning-lktouts', exit_litteral => 'warning' } ]);
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my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2, $exit3, $exit4 ]);
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$self->{output}->output_add(long_msg => sprintf("Table '%s': Deadlocks %d, Lock Waits %d, Lock Requests %d, Lock Timeouts %d",
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$longname, $diff->{deadlks}, $diff->{lockwts}, $diff->{lockreqs}, $diff->{lktouts}));
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if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Table '%s': Deadlocks %d, Lock Waits %d, Lock Requests %d, Lock Timeouts %d",
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$longname, $diff->{deadlks}, $diff->{lockwts}, $diff->{lockreqs}, $diff->{lktouts}));
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}
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foreach (('deadlks', 'lockwts', 'lockreqs', 'lktouts')) {
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$self->{output}->perfdata_add(label => 'tbl_' . $_ . '_' . $longname,
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value => $diff->{$_},
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $_),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $_),
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min => 0);
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}
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}
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foreach my $dbname (keys %{$db_found}) {
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next if ($db_found->{$dbname}->{process} == 0);
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my $exit1 = $self->{perfdata}->threshold_check(value => $new_datas->{$dbname . '_deadlks'} - $db_found->{$dbname}->{deadlks}, threshold => [ { label => 'critical-deadlks', 'exit_litteral' => 'critical' }, { label => 'warning-deadlks', exit_litteral => 'warning' } ]);
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my $exit2 = $self->{perfdata}->threshold_check(value => $new_datas->{$dbname . '_lockwts'} - $db_found->{$dbname}->{lockwts}, threshold => [ { label => 'critical-lockwts', 'exit_litteral' => 'critical' }, { label => 'warning-lockwts', exit_litteral => 'warning' } ]);
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my $exit3 = $self->{perfdata}->threshold_check(value => $new_datas->{$dbname . '_lockreqs'} - $db_found->{$dbname}->{lockreqs}, threshold => [ { label => 'critical-lockreqs', 'exit_litteral' => 'critical' }, { label => 'warning-lockreqs', exit_litteral => 'warning' } ]);
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my $exit4 = $self->{perfdata}->threshold_check(value => $new_datas->{$dbname . '_lktouts'} - $db_found->{$dbname}->{lktouts}, threshold => [ { label => 'critical-lktouts', 'exit_litteral' => 'critical' }, { label => 'warning-lktouts', exit_litteral => 'warning' } ]);
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my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2, $exit3, $exit4 ]);
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$self->{output}->output_add(long_msg => sprintf("Database '%s': Deadlocks %d, Lock Waits %d, Lock Requests %d, lock timeouts %d",
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$dbname,
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$new_datas->{$dbname . '_deadlks'} - $db_found->{$dbname}->{deadlks},
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$new_datas->{$dbname . '_lockwts'} - $db_found->{$dbname}->{lockwts},
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$new_datas->{$dbname . '_lockreqs'} - $db_found->{$dbname}->{lockreqs},
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$new_datas->{$dbname . '_lktouts'} - $db_found->{$dbname}->{lktouts}));
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if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Database '%s': Deadlocks %d, Lock Waits %d, Lock Requests %d, lock timeouts %d",
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$dbname,
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$new_datas->{$dbname . '_deadlks'} - $db_found->{$dbname}->{deadlks},
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$new_datas->{$dbname . '_lockwts'} - $db_found->{$dbname}->{lockwts},
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$new_datas->{$dbname . '_lockreqs'} - $db_found->{$dbname}->{lockreqs},
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$new_datas->{$dbname . '_lktouts'} - $db_found->{$dbname}->{lktouts}));
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}
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foreach (('deadlks', 'lockwts', 'lockreqs', 'lktouts')) {
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$self->{output}->perfdata_add(label => 'db_' . $_ . '_' . $dbname,
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value => $new_datas->{$dbname . '_' . $_} - $db_found->{$dbname}->{$_},
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $_),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $_),
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min => 0);
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}
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}
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if ($count == 0) {
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$self->{output}->output_add(severity => 'UNKNOWN',
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short_msg => "Cannot find a table (maybe filters).");
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}
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$self->{statefile_cache}->write(data => $new_datas);
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if (!defined($old_timestamp)) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => "Buffer creation...");
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}
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$self->{output}->display();
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$self->{output}->exit();
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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 table locks:
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- deadlks: deadlocks.
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- lockwts: lock waits.
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- lockreqs: lock requests.
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- lktouts: lock timeouts.
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=over 8
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=item B<--warning-deadlks>
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Threshold warning 'deadlks' in absolute.
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=item B<--critical-deadlks>
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Threshold critical 'deadlks' in absolute.
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=item B<--warning-lockwts>
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Threshold warning 'lockwts' in absolute.
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=item B<--critical-lockwts>
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Threshold critical 'lockwts' in absolute.
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=item B<--warning-lockreqs>
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Threshold warning 'lockreqs' in absolute.
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=item B<--critical-lockreqs>
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Threshold critical 'lockreqs' in absolute.
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=item B<--warning-lktouts>
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Threshold warning 'lktouts' in absolute.
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=item B<--critical-lktouts>
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Threshold critical 'lktouts' in absolute.
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=item B<--name>
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Set the database (empty means 'check all databases').
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=item B<--regexp>
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Allows to use regexp to filter database (with option --name).
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=item B<--filter-tables>
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Filter tables (format of a table name: 'sysmater.dual').
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=item B<--only-databases>
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only check locks globally on database (no output for tables).
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=back
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=cut
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