262 lines
8.5 KiB
Perl
262 lines
8.5 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 apps::redis::cli::mode::replication;
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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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my $thresholds = {
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link => [
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['down', 'CRITICAL'],
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['up', 'OK'],
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],
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sync => [
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['stopped', 'OK'],
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['in progress', 'WARNING'],
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],
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};
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my %map_sync = (
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0 => 'stopped',
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1 => 'in progress',
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);
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'global', type => 0 },
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{ name => 'master', type => 0 },
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{ name => 'slave', type => 0 }
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];
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$self->{maps_counters}->{global} = [
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{ label => 'connected-slaves', set => {
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key_values => [ { name => 'connected_slaves' } ],
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output_template => 'Number of connected slaves: %s',
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perfdatas => [
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{ label => 'connected_slaves', value => 'connected_slaves_absolute', template => '%s', min => 0 },
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],
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},
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},
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];
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$self->{maps_counters}->{master} = [
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{ label => 'master-repl-offset', set => {
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key_values => [ { name => 'master_repl_offset' } ],
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output_template => 'Master replication offset: %s s',
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perfdatas => [
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{ label => 'master_repl_offset', value => 'master_repl_offset_absolute', template => '%s', min => 0, unit => 's' },
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],
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},
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},
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];
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$self->{maps_counters}->{slave} = [
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{ label => 'master-last-io', set => {
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key_values => [ { name => 'master_last_io_seconds_ago' } ],
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output_template => 'Last interaction with master: %s s',
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perfdatas => [
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{ label => 'master_last_io', value => 'master_last_io_seconds_ago_absolute', template => '%s', min => 0, unit => 's' },
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],
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},
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},
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{ label => 'slave-repl-offset', set => {
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key_values => [ { name => 'slave_repl_offset' } ],
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output_template => 'Slave replication offset: %s s',
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perfdatas => [
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{ label => 'slave_repl_offset', value => 'slave_repl_offset_absolute', template => '%s', min => 0, unit => 's' },
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],
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},
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},
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{ label => 'slave-priority', set => {
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key_values => [ { name => 'slave_priority' } ],
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output_template => 'Slave replication offset: %s s',
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perfdatas => [
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{ label => 'slave_priority', value => 'slave_priority_absolute', template => '%s' },
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],
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},
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},
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{ label => 'slave-read-only', set => {
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key_values => [ { name => 'slave_read_only' } ],
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output_template => 'Slave replication offset: %s s',
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perfdatas => [
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{ label => 'slave_read_only', value => 'slave_read_only_absolute', template => '%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 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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"threshold-overload:s@" => { name => 'threshold_overload' },
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});
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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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$self->SUPER::init(%options);
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$self->{overload_th} = {};
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foreach my $val (@{$self->{option_results}->{threshold_overload}}) {
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if ($val !~ /^(.*?),(.*?),(.*)$/) {
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$self->{output}->add_option_msg(short_msg => "Wrong threshold-overload option '" . $val . "'.");
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$self->{output}->option_exit();
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}
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my ($section, $status, $filter) = ($1, $2, $3);
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if ($self->{output}->is_litteral_status(status => $status) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong threshold-overload status '" . $val . "'.");
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$self->{output}->option_exit();
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}
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$self->{overload_th}->{$section} = [] if (!defined($self->{overload_th}->{$section}));
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push @{$self->{overload_th}->{$section}}, {filter => $filter, status => $status};
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}
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}
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sub get_severity {
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my ($self, %options) = @_;
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my $status = 'UNKNOWN'; # default
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if (defined($self->{overload_th}->{$options{section}})) {
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foreach (@{$self->{overload_th}->{$options{section}}}) {
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if ($options{value} =~ /$_->{filter}/i) {
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$status = $_->{status};
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return $status;
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}
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}
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}
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foreach (@{$thresholds->{$options{section}}}) {
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if ($options{value} =~ /$$_[0]/i) {
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$status = $$_[1];
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return $status;
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}
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}
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return $status;
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{redis} = $options{custom};
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$self->{results} = $self->{redis}->get_info();
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my @exits;
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$self->{output}->output_add(short_msg => sprintf("Node is '%s'", $self->{results}->{role}));
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$self->{global} = { 'connected_slaves' => $self->{results}->{connected_slaves} };
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if ($self->{results}->{role} =~ /master/) {
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$self->{master} = { 'master_repl_offset' => $self->{results}->{master_repl_offset} };
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} elsif ($self->{results}->{role} =~ /slave/) {
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$self->{output}->output_add(short_msg => sprintf("Link with master '%s:%s' is '%s', Sync is '%s'",
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$self->{results}->{master_host},
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$self->{results}->{master_port},
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$self->{results}->{master_link_status},
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$map_sync{$self->{results}->{master_sync_in_progress}}));
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push @exits, $self->get_severity(section => 'link', value => $self->{results}->{master_link_status});
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push @exits, $self->get_severity(section => 'sync', value => $map_sync{$self->{results}->{master_sync_in_progress}});
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$self->{slave} = { 'master_last_io_seconds_ago' => $self->{results}->{master_last_io_seconds_ago},
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'slave_repl_offset' => $self->{results}->{slave_repl_offset},
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'slave_priority' => $self->{results}->{slave_priority},
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'slave_read_only' => $self->{results}->{slave_read_only} };
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}
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my $exit = $self->{output}->get_most_critical(status => \@exits);
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$self->{output}->output_add(severity => $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 replication status
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=over 8
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=item B<--threshold-overload>
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Set to overload default threshold values (syntax: section,status,regexp)
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Example: --threshold-overload='link,OK,down'
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Section can be: 'link', 'sync'
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=item B<--warning-connected-slaves>
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Warning threshold for number of connected slave
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=item B<--critical-connected-slaves>
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Critical threshold for number of connected slave
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=item B<--warning-master-repl-offset>
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Warning threshold for master replication offset (in second)
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=item B<--critical-master-repl-offset>
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Critical threshold for master replication offset (in second)
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=item B<--warning-master-last-io>
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Warning threshold for last interaction with master (in second)
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=item B<--critical-master-last-io>
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Critical threshold for last interaction with master (in second)
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=item B<--warning-slave-priority>
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Warning threshold for slave priority
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=item B<--critical-slave-priority>
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Critical threshold for slave priority
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=item B<--warning-slave-read-only>
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Warning threshold for slave being in read-only
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=item B<--critical-slave-read-only>
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Critical threshold for slave being in read-only
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=back
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=cut
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