centreon-plugins/snmp_standard/mode/inodes.pm

276 lines
11 KiB
Perl

#
# Copyright 2016 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 snmp_standard::mode::inodes;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::values;
my $maps_counters = {
disk => {
'000_usage' => {
set => {
key_values => [ { name => 'usage' }, { name => 'display' } ],
output_template => 'Used: %s %%', output_error_template => "%s",
perfdatas => [
{ label => 'used', value => 'usage_absolute', template => '%d',
unit => '%', min => 0, max => 100, label_extra_instance => 1, instance_use => 'display_absolute' },
],
},
},
}
};
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"name" => { name => 'use_name' },
"diskpath:s" => { name => 'diskpath' },
"regexp" => { name => 'use_regexp' },
"regexp-isensitive" => { name => 'use_regexpi' },
"filter-device:s" => { name => 'filter_device' },
"display-transform-src:s" => { name => 'display_transform_src' },
"display-transform-dst:s" => { name => 'display_transform_dst' },
});
foreach my $key (('disk')) {
foreach (keys %{$maps_counters->{$key}}) {
my ($id, $name) = split /_/;
if (!defined($maps_counters->{$key}->{$_}->{threshold}) || $maps_counters->{$key}->{$_}->{threshold} != 0) {
$options{options}->add_options(arguments => {
'warning-' . $name . ':s' => { name => 'warning-' . $name },
'critical-' . $name . ':s' => { name => 'critical-' . $name },
});
}
$maps_counters->{$key}->{$_}->{obj} = centreon::plugins::values->new(output => $self->{output}, perfdata => $self->{perfdata},
label => $name);
$maps_counters->{$key}->{$_}->{obj}->set(%{$maps_counters->{$key}->{$_}->{set}});
}
}
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
foreach my $key (('disk')) {
foreach (keys %{$maps_counters->{$key}}) {
$maps_counters->{$key}->{$_}->{obj}->init(option_results => $self->{option_results});
}
}
}
sub run {
my ($self, %options) = @_;
$self->{snmp} = $options{snmp};
$self->manage_selection();
my $multiple = 1;
if (scalar(keys %{$self->{disk_selected}}) == 1) {
$multiple = 0;
}
if ($multiple == 1) {
$self->{output}->output_add(severity => 'OK',
short_msg => 'All inode partitions are ok');
}
foreach my $id (sort keys %{$self->{disk_selected}}) {
my ($short_msg, $short_msg_append, $long_msg, $long_msg_append) = ('', '', '', '');
my @exits;
foreach (sort keys %{$maps_counters->{disk}}) {
my $obj = $maps_counters->{disk}->{$_}->{obj};
$obj->set(instance => $id);
my ($value_check) = $obj->execute(values => $self->{disk_selected}->{$id});
if ($value_check != 0) {
$long_msg .= $long_msg_append . $obj->output_error();
$long_msg_append = ', ';
next;
}
my $exit2 = $obj->threshold_check();
push @exits, $exit2;
my $output = $obj->output();
$long_msg .= $long_msg_append . $output;
$long_msg_append = ', ';
if (!$self->{output}->is_status(litteral => 1, value => $exit2, compare => 'ok')) {
$short_msg .= $short_msg_append . $output;
$short_msg_append = ', ';
}
$obj->perfdata(extra_instance => $multiple);
}
$self->{output}->output_add(long_msg => "Inode partition '" . $self->{disk_selected}->{$id}->{display} . "' $long_msg");
my $exit = $self->{output}->get_most_critical(status => [ @exits ]);
if (!$self->{output}->is_status(litteral => 1, value => $exit, compare => 'ok')) {
$self->{output}->output_add(severity => $exit,
short_msg => "Inode partition '" . $self->{disk_selected}->{$id}->{display} . "' $short_msg"
);
}
if ($multiple == 0) {
$self->{output}->output_add(short_msg => "Inode partition '" . $self->{disk_selected}->{$id}->{display} . "' $long_msg");
}
}
$self->{output}->display();
$self->{output}->exit();
}
my $mapping = {
dskPath => { oid => '.1.3.6.1.4.1.2021.9.1.2' },
dskDevice => { oid => '.1.3.6.1.4.1.2021.9.1.3' },
dskPercentNode => { oid => '.1.3.6.1.4.1.2021.9.1.10' },
};
sub manage_selection {
my ($self, %options) = @_;
my $results = $self->{snmp}->get_multiple_table(oids => [ { oid => $mapping->{dskPath}->{oid} },
{ oid => $mapping->{dskDevice}->{oid} },
{ oid => $mapping->{dskPercentNode}->{oid} } ],
return_type => 1, nothing_quit => 1);
$self->{disk_selected} = {};
foreach my $oid ($self->{snmp}->oid_lex_sort(keys %{$results})) {
next if ($oid !~ /^$mapping->{dskPath}->{oid}\.(.*)/);
my $instance = $1;
my $result = $self->{snmp}->map_instance(mapping => $mapping, results => $results, instance => $instance);
$result->{dskPath} = $self->get_display_value(value => $result->{dskPath});
$self->{output}->output_add(long_msg => sprintf("disk path : '%s', device : '%s'", $result->{dskPath}, $result->{dskDevice}), debug => 1);
if (!defined($result->{dskPercentNode})) {
$self->{output}->output_add(long_msg => sprintf("skipping '%s' : no inode usage value", $result->{dskPath}), debug => 1);
next;
}
if (defined($result->{dskDevice}) && defined($self->{option_results}->{filter_device}) &&
$self->{option_results}->{filter_device} ne '' && $result->{dskDevice} !~ /$self->{option_results}->{filter_device}/) {
$self->{output}->output_add(long_msg => sprintf("skipping '%s' : filter disk device", $result->{dskPath}), debug => 1);
next;
}
if (!defined($self->{option_results}->{use_name}) && defined($self->{option_results}->{diskpath})) {
if ($self->{option_results}->{diskpath} !~ /(^|\s|,)$instance(\s*,|$)/) {
$self->{output}->output_add(long_msg => sprintf("skipping '%s' : filter id disk path", $result->{dskPath}), debug => 1);
next;
}
} elsif (defined($self->{option_results}->{diskpath}) && $self->{option_results}->{diskpath} ne '') {
if (defined($self->{option_results}->{use_regexp}) && defined($self->{option_results}->{use_regexpi}) && $result->{dskPath} !~ /$self->{option_results}->{diskpath}/i) {
$self->{output}->output_add(long_msg => sprintf("skipping '%s' : filter disk path", $result->{dskPath}), debug => 1);
next;
}
if (defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi}) && $result->{dskPath} !~ /$self->{option_results}->{diskpath}/) {
$self->{output}->output_add(long_msg => sprintf("skipping '%s' : filter disk path", $result->{dskPath}), debug => 1);
next;
}
if (!defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi}) && $result->{dskPath} ne $self->{option_results}->{diskpath}) {
$self->{output}->output_add(long_msg => sprintf("skipping '%s' : filter disk path", $result->{dskPath}), debug => 1);
next;
}
}
$self->{disk_selected}->{$instance} = { display => $result->{dskPath},
usage => $result->{dskPercentNode} };
}
if (scalar(keys %{$self->{disk_selected}}) <= 0) {
$self->{output}->add_option_msg(short_msg => "No entry found.");
$self->{output}->option_exit();
}
}
sub get_display_value {
my ($self, %options) = @_;
my $value = $options{value};
if (defined($self->{option_results}->{display_transform_src})) {
$self->{option_results}->{display_transform_dst} = '' if (!defined($self->{option_results}->{display_transform_dst}));
eval "\$value =~ s{$self->{option_results}->{display_transform_src}}{$self->{option_results}->{display_transform_dst}}";
}
return $value;
}
1;
__END__
=head1 MODE
Check Inodes space usage on partitions.
Need to enable "includeAllDisks 10%" on snmpd.conf.
=over 8
=item B<--warning-usage>
Threshold warning in percent.
=item B<--critical-usage>
Threshold critical in percent.
=item B<--diskpath>
Set the disk path (number expected) ex: 1, 2,... (empty means 'check all disks path').
=item B<--name>
Allows to use disk path name with option --diskpath instead of disk path oid index.
=item B<--regexp>
Allows to use regexp to filter diskpath (with option --name).
=item B<--regexp-isensitive>
Allows to use regexp non case-sensitive (with --regexp).
=item B<--display-transform-src>
Regexp src to transform display value. (security risk!!!)
=item B<--display-transform-dst>
Regexp dst to transform display value. (security risk!!!)
=item B<--filter-device>
Filter device name (Can be a regexp).
=back
=cut