centreon-plugins/database/db2/mode/hadr.pm

269 lines
9.2 KiB
Perl

#
# Copyright 2021 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 database::db2::mode::hadr;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng);
use Digest::MD5 qw(md5_hex);
sub custom_role_output {
my ($self, %options) = @_;
return sprintf(
'role: %s [primary member: %s] [standby member: %s]',
$self->{result_values}->{role},
$self->{result_values}->{primaryMember},
$self->{result_values}->{standbyMember}
);
}
sub custom_role_calc {
my ($self, %options) = @_;
$self->{result_values}->{status} = $options{new_datas}->{$self->{instance} . '_status'};
$self->{result_values}->{role} = $options{new_datas}->{$self->{instance} . '_role'};
$self->{result_values}->{roleLast} = $options{old_datas}->{$self->{instance} . '_role'};
$self->{result_values}->{primaryMember} = $options{new_datas}->{$self->{instance} . '_primaryMember'};
$self->{result_values}->{primaryMemberLast} = $options{old_datas}->{$self->{instance} . '_primaryMember'};
$self->{result_values}->{standbyMember} = $options{new_datas}->{$self->{instance} . '_standbyMember'};
$self->{result_values}->{standbyMemberLast} = $options{old_datas}->{$self->{instance} . '_standbyMember'};
if (!defined($options{old_datas}->{ $self->{instance} . '_role' })) {
$self->{error_msg} = "buffer creation";
return -2;
}
return 0;
}
sub server_long_output {
my ($self, %options) = @_;
return "checking database instance '" . $options{instance} . "'";
}
sub prefix_server_output {
my ($self, %options) = @_;
return "database instance '" . $options{instance} . "' ";
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0 },
{ name => 'servers', type => 3, cb_prefix_output => 'prefix_server_output', cb_long_output => 'server_long_output', indent_long_output => ' ', message_multiple => 'All database instances are ok',
group => [
{ name => 'role', type => 0, skipped_code => { -10 => 1 } },
{ name => 'connection', type => 0, skipped_code => { -10 => 1 } },
{ name => 'state', type => 0, skipped_code => { -10 => 1 } },
{ name => 'position', type => 0, skipped_code => { -10 => 1 } }
]
}
];
$self->{maps_counters}->{global} = [
{ label => 'standby-running', nlabel => 'hadr.instances.standby.count', display_ok => 0, set => {
key_values => [ { name => 'standby_running' } ],
output_template => 'number of standby instances running: %s',
perfdatas => [
{ template => '%s', min => 0 }
]
}
}
];
$self->{maps_counters}->{role} = [
{
label => 'role',
type => 2,
set => {
key_values => [ { name => 'role' }, { name => 'primaryMember' }, { name => 'standbyMember' }, { name => 'standbyId' } ],
closure_custom_calc => $self->can('custom_role_calc'),
closure_custom_output => $self->can('custom_role_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
}
];
$self->{maps_counters}->{connection} = [
{
label => 'connection-status',
type => 2,
warning_default => '%{status} eq "congested"',
critical_default => '%{status} eq "disconnected"',
set => {
key_values => [ { name => 'status' }, { name => 'primaryMember' }, { name => 'standbyMember' }, { name => 'standbyId' } ],
output_template => 'connection status: %s',
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
}
];
$self->{maps_counters}->{state} = [
{
label => 'state',
type => 2,
critical_default => '%{state} ne "peer"',
set => {
key_values => [ { name => 'state' }, { name => 'primaryMember' }, { name => 'standbyMember' }, { name => 'standbyId' } ],
output_template => 'state: %s',
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
}
];
$self->{maps_counters}->{position} = [
{ label => 'log-gap', nlabel => 'hadr.instance.log.gap.bytes', set => {
key_values => [ { name => 'logGap' } ],
output_template => 'log gap: %s %s',
output_change_bytes => 1,
perfdatas => [
{ template => '%d', unit => 'B', label_extra_instance => 1 }
]
}
}
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {});
return $self;
}
sub manage_selection {
my ($self, %options) = @_;
$options{sql}->connect();
$options{sql}->query(query => q{
SELECT
STANDBY_ID, HADR_ROLE, HADR_STATE, HADR_CONNECT_STATUS, PRIMARY_MEMBER_HOST, STANDBY_MEMBER_HOST, HADR_LOG_GAP
FROM TABLE(MON_GET_HADR(-2)) AS t
});
$self->{global} = { standby_running => 0 };
$self->{servers} = {};
while (my $row = $options{sql}->fetchrow_arrayref()) {
$self->{servers}->{ $row->[0] } = {
role => {
standbyId => $row->[0],
role => lc($row->[1]),
primaryMember => $row->[4],
standbyMember => $row->[5]
},
connection => {
standbyId => $row->[0],
status => lc($row->[3]),
primaryMember => $row->[4],
standbyMember => $row->[5]
},
state => {
standbyId => $row->[0],
state => lc($row->[2]),
primaryMember => $row->[4],
standbyMember => $row->[5]
},
position => {
logGap => $row->[6]
}
};
$self->{global}->{standby_running}++;
}
$self->{cache_name} = 'db2_' . $self->{mode} . '_' . $options{sql}->get_unique_id4save() . '_' .
(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
}
1;
__END__
=head1 MODE
Check high availability disaster recovery.
=over 8
=item B<--unknown-connection-status>
Set unknown threshold for connection status.
Can used special variables like: %{status}, %{primaryMember}, %{standbyMember}, %{standbyId}
=item B<--warning-connection-status>
Set warning threshold for connection status (Default: '%{status} eq "congested"').
Can used special variables like: %{status}, %{primaryMember}, %{standbyMember}, %{standbyId}
=item B<--critical-connection-status>
Set critical threshold for connection status (Default: '%{status} eq "disconnected"').
Can used special variables like: %{status}, %{primaryMember}, %{standbyMember}, %{standbyId}
=item B<--unknown-state>
Set unknown threshold for state.
Can used special variables like: %{state}, %{primaryMember}, %{standbyMember}, %{standbyId}
=item B<--warning-state>
Set warning threshold for state.
Can used special variables like: %{state}, %{primaryMember}, %{standbyMember}, %{standbyId}
=item B<--critical-state>
Set critical threshold for state (Default: '%{state} ne "peer"').
Can used special variables like: %{state}, %{primaryMember}, %{standbyMember}, %{standbyId}
=item B<--unknown-role>
Set unknown threshold for role status.
Can used special variables like: %{role}, %{roleLast}, %{primaryMember}, %{primaryMemberLast}, %{standbyMember}, %{standbyMemberLast}, %{standbyId}
=item B<--warning-role>
Set warning threshold for role status.
Can used special variables like: %{role}, %{roleLast}, %{primaryMember}, %{primaryMemberLast}, %{standbyMember}, %{standbyMemberLast}, %{standbyId}
=item B<--critical-role>
Set critical threshold for role status.
Can used special variables like: %{role}, %{roleLast}, %{primaryMember}, %{primaryMemberLast}, %{standbyMember}, %{standbyMemberLast}, %{standbyId}
=item B<--warning-*> B<--critical-*>
Thresholds.
Can be: 'standby-running', 'log-gap'.
=back
=cut