centreon-plugins/apps/haproxy/snmp/mode/backendusage.pm

263 lines
9.7 KiB
Perl

#
# Copyright 2020 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::haproxy::snmp::mode::backendusage;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use Digest::MD5 qw(md5_hex);
use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold);
sub custom_status_output {
my ($self, %options) = @_;
my $msg = 'status : ' . $self->{result_values}->{status};
return $msg;
}
sub custom_status_calc {
my ($self, %options) = @_;
$self->{result_values}->{status} = $options{new_datas}->{$self->{instance} . '_alBackendStatus'};
$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
return 0;
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'backend', type => 1, cb_prefix_output => 'prefix_backend_output', message_multiple => 'All backends are ok' },
];
$self->{maps_counters}->{backend} = [
{ label => 'status', threshold => 0, set => {
key_values => [ { name => 'alBackendStatus' }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_status_calc'),
closure_custom_output => $self->can('custom_status_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold,
}
},
{ label => 'current-queue', set => {
key_values => [ { name => 'alBackendQueueCur' }, { name => 'display' } ],
output_template => 'Current queue : %s',
perfdatas => [
{ label => 'current_queue', value => 'alBackendQueueCur_absolute', template => '%s',
min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'current-sessions', set => {
key_values => [ { name => 'alBackendSessionCur' }, { name => 'display' } ],
output_template => 'Current sessions : %s',
perfdatas => [
{ label => 'current_sessions', value => 'alBackendSessionCur_absolute', template => '%s',
min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'total-sessions', set => {
key_values => [ { name => 'alBackendSessionTotal', diff => 1 }, { name => 'display' } ],
output_template => 'Total sessions : %s',
perfdatas => [
{ label => 'total_connections', value => 'alBackendSessionTotal_absolute', template => '%s',
min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'traffic-in', set => {
key_values => [ { name => 'alBackendBytesIN', diff => 1 }, { name => 'display' } ],
output_template => 'Traffic In : %s %s/s',
per_second => 1, output_change_bytes => 2,
perfdatas => [
{ label => 'traffic_in', value => 'alBackendBytesIN_per_second', template => '%.2f',
min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'traffic-out', set => {
key_values => [ { name => 'alBackendBytesOUT', diff => 1 }, { name => 'display' } ],
output_template => 'Traffic Out : %s %s/s',
per_second => 1, output_change_bytes => 2,
perfdatas => [
{ label => 'traffic_out', value => 'alBackendBytesOUT_per_second', template => '%.2f',
min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
'filter-name:s' => { name => 'filter_name' },
'warning-status:s' => { name => 'warning_status', default => '' },
'critical-status:s' => { name => 'critical_status', default => '%{status} !~ /UP/i' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
$self->change_macros(macros => ['warning_status', 'critical_status']);
}
sub prefix_backend_output {
my ($self, %options) = @_;
return "Backend '" . $options{instance_value}->{display} . "' ";
}
my $mapping = {
entreprise => {
alBackendQueueCur => { oid => '.1.3.6.1.4.1.23263.4.2.1.3.3.1.4' },
alBackendSessionCur => { oid => '.1.3.6.1.4.1.23263.4.2.1.3.3.1.7' },
alBackendSessionTotal => { oid => '.1.3.6.1.4.1.23263.4.2.1.3.3.1.10' },
alBackendBytesIN => { oid => '.1.3.6.1.4.1.23263.4.2.1.3.3.1.12' },
alBackendBytesOUT => { oid => '.1.3.6.1.4.1.23263.4.2.1.3.3.1.13' },
alBackendStatus => { oid => '.1.3.6.1.4.1.23263.4.2.1.3.3.1.20' },
},
csv => {
alBackendQueueCur => { oid => '.1.3.6.1.4.1.29385.106.1.1.2' },
alBackendSessionCur => { oid => '.1.3.6.1.4.1.29385.106.1.1.4' },
alBackendSessionTotal => { oid => '.1.3.6.1.4.1.29385.106.1.1.7' },
alBackendBytesIN => { oid => '.1.3.6.1.4.1.29385.106.1.1.8' },
alBackendBytesOUT => { oid => '.1.3.6.1.4.1.29385.106.1.1.9' },
alBackendStatus => { oid => '.1.3.6.1.4.1.29385.106.1.1.17' },
},
};
my $mapping_name = {
csv => '.1.3.6.1.4.1.29385.106.1.1.0',
entreprise => '.1.3.6.1.4.1.23263.4.2.1.3.3.1.3', # alBackendName
};
sub manage_selection {
my ($self, %options) = @_;
if ($options{snmp}->is_snmpv1()) {
$self->{output}->add_option_msg(short_msg => "Need to use SNMP v2c or v3.");
$self->{output}->option_exit();
}
$self->{backend} = {};
my $snmp_result = $options{snmp}->get_multiple_table(oids => [ { oid => $mapping_name->{csv} }, { oid => $mapping_name->{entreprise} } ], nothing_quit => 1);
my $branch = 'entreprise';
if (defined($snmp_result->{ $mapping_name->{csv} }) && scalar(keys %{$snmp_result->{ $mapping_name->{csv} }}) > 0) {
$branch = 'csv';
}
foreach my $oid (keys %{$snmp_result->{ $mapping_name->{$branch} }}) {
$oid =~ /^$mapping_name->{$branch}\.(.*)$/;
my $instance = $1;
my $name = $snmp_result->{$mapping_name->{$branch}}->{$oid};
if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
$name !~ /$self->{option_results}->{filter_name}/) {
$self->{output}->output_add(long_msg => "skipping backend '" . $name . "'.", debug => 1);
next;
}
$self->{backend}->{$instance} = { display => $name };
}
if (scalar(keys %{$self->{backend}}) <= 0) {
$self->{output}->add_option_msg(short_msg => "No backend found.");
$self->{output}->option_exit();
}
$options{snmp}->load(
oids => [
map($_->{oid}, values(%{$mapping->{$branch}}))
],
instances => [keys %{$self->{backend}}],
instance_regexp => '^(.*)$'
);
$snmp_result = $options{snmp}->get_leef(nothing_quit => 1);
foreach (keys %{$self->{backend}}) {
my $result = $options{snmp}->map_instance(mapping => $mapping->{$branch}, results => $snmp_result, instance => $_);
$result->{alBackendBytesIN} *= 8;
$result->{alBackendBytesOUT} *= 8;
$self->{backend}->{$_} = { %{$self->{backend}->{$_}}, %$result };
}
$self->{cache_name} = "haproxy_" . $self->{mode} . '_' . $options{snmp}->get_hostname() . '_' . $options{snmp}->get_port() . '_' .
(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all')) . '_' .
(defined($self->{option_results}->{filter_name}) ? md5_hex($self->{option_results}->{filter_name}) : md5_hex('all'));
}
1;
__END__
=head1 MODE
Check backend usage.
=over 8
=item B<--filter-counters>
Only display some counters (regexp can be used).
Example: --filter-counters='^total-sessions$'
=item B<--filter-name>
Filter backend name (can be a regexp).
=item B<--warning-status>
Set warning threshold for status.
Can used special variables like: %{status}, %{display}
=item B<--critical-status>
Set critical threshold for status (Default: '%{status} !~ /UP/i').
Can used special variables like: %{status}, %{display}
=item B<--warning-*>
Threshold warning.
Can be: 'total-sessions', 'current-sessions', 'current-queue',
'traffic-in' (b/s), 'traffic-out' (b/s).
=item B<--critical-*>
Threshold critical.
Can be: 'total-sessions', 'current-sessions', 'current-queue',
'traffic-in' (b/s), 'traffic-out' (b/s).
=back
=cut