centreon-plugins/network/infoblox/snmp/mode/dhcpusage.pm

194 lines
7.0 KiB
Perl

#
# Copyright 2018 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 network::infoblox::snmp::mode::dhcpusage;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use Digest::MD5 qw(md5_hex);
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0, cb_prefix_output => 'prefix_global_output' },
{ name => 'dhcp', type => 1, cb_prefix_output => 'prefix_dhcp_output', message_multiple => 'All dhcp subnets are ok' },
];
my @map = (
['ibDhcpTotalNoOfDiscovers', 'discovers : %s', 'total-discovers'],
['ibDhcpTotalNoOfRequests', 'requests : %s', 'total-requests'],
['ibDhcpTotalNoOfReleases', 'releases : %s', 'total-releases'],
['ibDhcpTotalNoOfOffers', 'offers : %s', 'total-offers'],
['ibDhcpTotalNoOfAcks', 'acks : %s', 'total-acks'],
['ibDhcpTotalNoOfNacks', 'nacks : %s', 'total-nacks'],
['ibDhcpTotalNoOfDeclines', 'declines : %s', 'total-declines'],
['ibDhcpTotalNoOfInforms', 'informs : %s', 'total-informs'],
['ibDhcpTotalNoOfOthers', 'others : %s', 'total-others'],
);
$self->{maps_counters}->{global} = [];
for (my $i = 0; $i < scalar(@map); $i++) {
my $perf_label = $map[$i]->[2];
$perf_label =~ s/-/_/g;
push @{$self->{maps_counters}->{global}}, { label => $map[$i]->[2], set => {
key_values => [ { name => $map[$i]->[0], diff => 1 } ],
output_template => $map[$i]->[1],
perfdatas => [
{ label => $perf_label, value => $map[$i]->[0] . '_absolute', template => '%s', min => 0 },
],
}
};
}
$self->{maps_counters}->{dhcp} = [
{ label => 'subnet-used', set => {
key_values => [ { name => 'ibDHCPSubnetPercentUsed' }, { name => 'display' } ],
output_template => 'Used : %.2f %%',
perfdatas => [
{ label => 'subnet_used', value => 'iibDHCPSubnetPercentUsed_absolute', template => '%.2f',
min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"filter-name:s" => { name => 'filter_name' },
});
return $self;
}
sub prefix_global_output {
my ($self, %options) = @_;
return "Total ";
}
sub prefix_dhcp_output {
my ($self, %options) = @_;
return "Subnet '" . $options{instance_value}->{display} . "' ";
}
my $mapping = {
ibDhcpTotalNoOfDiscovers => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.3.1' },
ibDhcpTotalNoOfRequests => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.3.2' },
ibDhcpTotalNoOfReleases => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.3.3' },
ibDhcpTotalNoOfOffers => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.3.4' },
ibDhcpTotalNoOfAcks => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.3.5' },
ibDhcpTotalNoOfNacks => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.3.6' },
ibDhcpTotalNoOfDeclines => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.3.7' },
ibDhcpTotalNoOfInforms => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.3.8' },
ibDhcpTotalNoOfOthers => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.3.9' },
};
my $mapping2 = {
ibDHCPSubnetNetworkAddress => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.1.1.1' },
ibDHCPSubnetNetworkMask => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.1.1.2' },
ibDHCPSubnetPercentUsed => { oid => '.1.3.6.1.4.1.7779.3.1.1.4.1.1.1.3' },
};
my $oid_ibDHCPStatistics = '.1.3.6.1.4.1.7779.3.1.1.4.1.3';
my $oid_ibDHCPSubnetEntry = '.1.3.6.1.4.1.7779.3.1.1.4.1.1.1';
sub manage_selection {
my ($self, %options) = @_;
my $snmp_result = $options{snmp}->get_multiple_table(oids => [
{ oid => $oid_ibDHCPStatistics },
{ oid => $oid_ibDHCPSubnetEntry },
], nothing_quit => 1);
$self->{dhcp} = {};
foreach my $oid (keys %{$snmp_result->{$oid_ibDHCPSubnetEntry}}) {
next if ($oid !~ /^$mapping2->{ibDHCPSubnetNetworkAddress}->{oid}\.(.*)$/);
my $instance = $1;
my $result = $options{snmp}->map_instance(mapping => $mapping2, results => $snmp_result->{$oid_ibDHCPSubnetEntry}, instance => $instance);
my $name = $result->{ibDHCPSubnetNetworkAddress} . '/' . $result->{ibDHCPSubnetNetworkMask};
if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
$name !~ /$self->{option_results}->{filter_name}/) {
$self->{output}->output_add(long_msg => "skipping '" . $name . "': no matching filter.", debug => 1);
next;
}
$self->{dhcp}->{$instance} = { display => $name,
%$result
};
}
my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result->{$oid_ibDHCPStatistics}, instance => '0');
$self->{global} = { %$result };
$self->{cache_name} = "infoblox_" . $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 dhcp usage.
=over 8
=item B<--filter-counters>
Only display some counters (regexp can be used).
Example: --filter-counters='total-requests'
=item B<--filter-name>
Filter dhcp subnet name (can be a regexp).
=item B<--warning-*>
ibDhcpTotalNoOfDiscovers
Threshold warning.
Can be: 'total-discovers', 'total-requests', 'total-releases',
'total-offers', 'total-acks', 'total-nacks', 'total-declines',
'total-informs', 'total-others', 'subnet-used' (%).
=item B<--critical-*>
Threshold critical.
Can be: 'total-discovers', 'total-requests', 'total-releases',
'total-offers', 'total-acks', 'total-nacks', 'total-declines',
'total-informs', 'total-others', 'subnet-used' (%).
=back
=cut