centreon-plugins/apps/redis/cli/mode/replication.pm

262 lines
8.5 KiB
Perl

#
# Copyright 2017 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 apps::redis::cli::mode::replication;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
my $thresholds = {
link => [
['down', 'CRITICAL'],
['up', 'OK'],
],
sync => [
['stopped', 'OK'],
['in progress', 'WARNING'],
],
};
my %map_sync = (
0 => 'stopped',
1 => 'in progress',
);
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0 },
{ name => 'master', type => 0 },
{ name => 'slave', type => 0 }
];
$self->{maps_counters}->{global} = [
{ label => 'connected-slaves', set => {
key_values => [ { name => 'connected_slaves' } ],
output_template => 'Number of connected slaves: %s',
perfdatas => [
{ label => 'connected_slaves', value => 'connected_slaves_absolute', template => '%s', min => 0 },
],
},
},
];
$self->{maps_counters}->{master} = [
{ label => 'master-repl-offset', set => {
key_values => [ { name => 'master_repl_offset' } ],
output_template => 'Master replication offset: %s s',
perfdatas => [
{ label => 'master_repl_offset', value => 'master_repl_offset_absolute', template => '%s', min => 0, unit => 's' },
],
},
},
];
$self->{maps_counters}->{slave} = [
{ label => 'master-last-io', set => {
key_values => [ { name => 'master_last_io_seconds_ago' } ],
output_template => 'Last interaction with master: %s s',
perfdatas => [
{ label => 'master_last_io', value => 'master_last_io_seconds_ago_absolute', template => '%s', min => 0, unit => 's' },
],
},
},
{ label => 'slave-repl-offset', set => {
key_values => [ { name => 'slave_repl_offset' } ],
output_template => 'Slave replication offset: %s s',
perfdatas => [
{ label => 'slave_repl_offset', value => 'slave_repl_offset_absolute', template => '%s', min => 0, unit => 's' },
],
},
},
{ label => 'slave-priority', set => {
key_values => [ { name => 'slave_priority' } ],
output_template => 'Slave replication offset: %s s',
perfdatas => [
{ label => 'slave_priority', value => 'slave_priority_absolute', template => '%s' },
],
},
},
{ label => 'slave-read-only', set => {
key_values => [ { name => 'slave_read_only' } ],
output_template => 'Slave replication offset: %s s',
perfdatas => [
{ label => 'slave_read_only', value => 'slave_read_only_absolute', template => '%s' },
],
},
},
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"threshold-overload:s@" => { name => 'threshold_overload' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
$self->{overload_th} = {};
foreach my $val (@{$self->{option_results}->{threshold_overload}}) {
if ($val !~ /^(.*?),(.*?),(.*)$/) {
$self->{output}->add_option_msg(short_msg => "Wrong threshold-overload option '" . $val . "'.");
$self->{output}->option_exit();
}
my ($section, $status, $filter) = ($1, $2, $3);
if ($self->{output}->is_litteral_status(status => $status) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong threshold-overload status '" . $val . "'.");
$self->{output}->option_exit();
}
$self->{overload_th}->{$section} = [] if (!defined($self->{overload_th}->{$section}));
push @{$self->{overload_th}->{$section}}, {filter => $filter, status => $status};
}
}
sub get_severity {
my ($self, %options) = @_;
my $status = 'UNKNOWN'; # default
if (defined($self->{overload_th}->{$options{section}})) {
foreach (@{$self->{overload_th}->{$options{section}}}) {
if ($options{value} =~ /$_->{filter}/i) {
$status = $_->{status};
return $status;
}
}
}
foreach (@{$thresholds->{$options{section}}}) {
if ($options{value} =~ /$$_[0]/i) {
$status = $$_[1];
return $status;
}
}
return $status;
}
sub manage_selection {
my ($self, %options) = @_;
$self->{redis} = $options{custom};
$self->{results} = $self->{redis}->get_info();
my @exits;
$self->{output}->output_add(short_msg => sprintf("Node is '%s'", $self->{results}->{role}));
$self->{global} = { 'connected_slaves' => $self->{results}->{connected_slaves} };
if ($self->{results}->{role} =~ /master/) {
$self->{master} = { 'master_repl_offset' => $self->{results}->{master_repl_offset} };
} elsif ($self->{results}->{role} =~ /slave/) {
$self->{output}->output_add(short_msg => sprintf("Link with master '%s:%s' is '%s', Sync is '%s'",
$self->{results}->{master_host},
$self->{results}->{master_port},
$self->{results}->{master_link_status},
$map_sync{$self->{results}->{master_sync_in_progress}}));
push @exits, $self->get_severity(section => 'link', value => $self->{results}->{master_link_status});
push @exits, $self->get_severity(section => 'sync', value => $map_sync{$self->{results}->{master_sync_in_progress}});
$self->{slave} = { 'master_last_io_seconds_ago' => $self->{results}->{master_last_io_seconds_ago},
'slave_repl_offset' => $self->{results}->{slave_repl_offset},
'slave_priority' => $self->{results}->{slave_priority},
'slave_read_only' => $self->{results}->{slave_read_only} };
}
my $exit = $self->{output}->get_most_critical(status => \@exits);
$self->{output}->output_add(severity => $exit);
}
1;
__END__
=head1 MODE
Check replication status
=over 8
=item B<--threshold-overload>
Set to overload default threshold values (syntax: section,status,regexp)
Example: --threshold-overload='link,OK,down'
Section can be: 'link', 'sync'
=item B<--warning-connected-slaves>
Warning threshold for number of connected slave
=item B<--critical-connected-slaves>
Critical threshold for number of connected slave
=item B<--warning-master-repl-offset>
Warning threshold for master replication offset (in second)
=item B<--critical-master-repl-offset>
Critical threshold for master replication offset (in second)
=item B<--warning-master-last-io>
Warning threshold for last interaction with master (in second)
=item B<--critical-master-last-io>
Critical threshold for last interaction with master (in second)
=item B<--warning-slave-priority>
Warning threshold for slave priority
=item B<--critical-slave-priority>
Critical threshold for slave priority
=item B<--warning-slave-read-only>
Warning threshold for slave being in read-only
=item B<--critical-slave-read-only>
Critical threshold for slave being in read-only
=back
=cut