centreon-plugins/storage/netapp/snmp/mode/filesys.pm

323 lines
13 KiB
Perl

#
# Copyright 2019 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 storage::netapp::snmp::mode::filesys;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'fs', type => 1, cb_prefix_output => 'prefix_fs_output', message_multiple => 'All filesystems are ok.' },
];
$self->{maps_counters}->{fs} = [
{ label => 'usage', set => {
key_values => [ { name => 'display' }, { name => 'used' }, { name => 'total' } ],
closure_custom_calc => $self->can('custom_usage_calc'),
closure_custom_output => $self->can('custom_usage_output'),
closure_custom_perfdata => $self->can('custom_usage_perfdata'),
closure_custom_threshold_check => $self->can('custom_usage_threshold'),
}
},
{ label => 'inodes', set => {
key_values => [ { name => 'dfPerCentInodeCapacity' }, { name => 'display' } ],
output_template => 'Inodes Used : %s %%', output_error_template => "Inodes : %s",
perfdatas => [
{ label => 'inodes', value => 'dfPerCentInodeCapacity_absolute', template => '%d',
unit => '%', min => 0, max => 100, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'compresssaved', set => {
key_values => [ { name => 'dfCompressSavedPercent' }, { name => 'display' } ],
output_template => 'Compress Saved : %s %%', output_error_template => "Compress Saved : %s",
perfdatas => [
{ label => 'compresssaved', value => 'dfCompressSavedPercent_absolute', template => '%d',
unit => '%', min => 0, max => 100, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'dedupsaved', set => {
key_values => [ { name => 'dfDedupeSavedPercent' }, { name => 'display' } ],
output_template => 'Dedupe Saved : %s %%', output_error_template => "Dedupe Saved : %s",
perfdatas => [
{ label => 'dedupsaved', value => 'dfDedupeSavedPercent_absolute', template => '%d',
unit => '%', min => 0, max => 100, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
];
}
sub custom_usage_perfdata {
my ($self, %options) = @_;
return if ($self->{result_values}->{total} <= 0);
my $label = 'used';
my $value_perf = $self->{result_values}->{used};
if (defined($self->{instance_mode}->{option_results}->{free})) {
$label = 'free';
$value_perf = $self->{result_values}->{free};
}
my %total_options = ();
if ($self->{instance_mode}->{option_results}->{units} eq '%') {
$total_options{total} = $self->{result_values}->{total};
$total_options{cast_int} = 1;
}
$self->{output}->perfdata_add(
label => $label, unit => 'B',
instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{display} : undef,
value => $value_perf,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{thlabel}, %total_options),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{thlabel}, %total_options),
min => 0, max => $self->{result_values}->{total}
);
}
sub custom_usage_threshold {
my ($self, %options) = @_;
return 'ok' if ($self->{result_values}->{total} <= 0);
my ($exit, $threshold_value);
$threshold_value = $self->{result_values}->{used};
$threshold_value = $self->{result_values}->{free} if (defined($self->{instance_mode}->{option_results}->{free}));
if ($self->{instance_mode}->{option_results}->{units} eq '%') {
$threshold_value = $self->{result_values}->{prct_used};
$threshold_value = $self->{result_values}->{prct_free} if (defined($self->{instance_mode}->{option_results}->{free}));
}
$exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical-' . $self->{thlabel}, exit_litteral => 'critical' }, { label => 'warning-'. $self->{thlabel}, exit_litteral => 'warning' } ]);
return $exit;
}
sub custom_usage_output {
my ($self, %options) = @_;
my $msg;
if ($self->{result_values}->{total} == 0) {
$msg = 'skipping: total size is 0';
} elsif ($self->{result_values}->{total} < 0) {
$msg = 'skipping: negative total value (maybe use snmp v2c)';
} else {
my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free});
$msg = sprintf("Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
$total_size_value . " " . $total_size_unit,
$total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used},
$total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free});
}
return $msg;
}
sub custom_usage_calc {
my ($self, %options) = @_;
$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_total'};
$self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'};
return 0 if ($options{new_datas}->{$self->{instance} . '_total'} == 0);
$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
$self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used};
$self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used};
# snapshot can be over 100%
if ($self->{result_values}->{free} < 0) {
$self->{result_values}->{free} = 0;
$self->{result_values}->{prct_free} = 0;
}
return 0;
}
sub prefix_fs_output {
my ($self, %options) = @_;
return "Filesys '" . $options{instance_value}->{display} . "' ";
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments => {
'units:s' => { name => 'units', default => '%' },
'free' => { name => 'free' },
'filter-name:s' => { name => 'filter_name' },
'filter-type:s' => { name => 'filter_type' },
'filter-vserver:s' => { name => 'filter_vserver' },
});
return $self;
}
my %map_types = (
1 => 'traditionalVolume',
2 => 'flexibleVolume',
3 => 'aggregate',
4 => 'stripedAggregate',
5 => 'stripedVolume'
);
my $mapping = {
dfType => { oid => '.1.3.6.1.4.1.789.1.5.4.1.23', map => \%map_types },
};
my $mapping2 = {
dfFileSys => { oid => '.1.3.6.1.4.1.789.1.5.4.1.2' },
dfKBytesTotal => { oid => '.1.3.6.1.4.1.789.1.5.4.1.3' },
dfKBytesUsed => { oid => '.1.3.6.1.4.1.789.1.5.4.1.4' },
dfPerCentInodeCapacity => { oid => '.1.3.6.1.4.1.789.1.5.4.1.9' },
df64TotalKBytes => { oid => '.1.3.6.1.4.1.789.1.5.4.1.29' },
df64UsedKBytes => { oid => '.1.3.6.1.4.1.789.1.5.4.1.30' },
dfVserver => { oid => '.1.3.6.1.4.1.789.1.5.4.1.34' },
dfCompressSavedPercent => { oid => '.1.3.6.1.4.1.789.1.5.4.1.38' },
dfDedupeSavedPercent => { oid => '.1.3.6.1.4.1.789.1.5.4.1.40' },
};
sub manage_selection {
my ($self, %options) = @_;
my @oids = (
$mapping2->{dfKBytesTotal}->{oid},
$mapping2->{dfKBytesUsed}->{oid},
$mapping2->{dfPerCentInodeCapacity}->{oid},
$mapping2->{dfCompressSavedPercent}->{oid},
$mapping2->{dfDedupeSavedPercent}->{oid},
$mapping2->{dfVserver}->{oid},
);
if (!$options{snmp}->is_snmpv1()) {
push @oids, $mapping2->{df64TotalKBytes}->{oid};
push @oids, $mapping2->{df64UsedKBytes}->{oid};
}
my $results;
if (defined($self->{option_results}->{filter_type}) && $self->{option_results}->{filter_type} ne '') {
$results = $options{snmp}->get_multiple_table(
oids => [
{ oid => $mapping->{dfType}->{oid} },
{ oid => $mapping2->{dfFileSys}->{oid} }
],
return_type => 1,
nothing_quit => 1
);
} else {
$results = $options{snmp}->get_table(oid => $mapping2->{dfFileSys}->{oid}, nothing_quit => 1);
}
my @fs_selected;
foreach my $oid (keys %{$results}) {
next if ($oid !~ /^$mapping2->{dfFileSys}->{oid}\.(\d+)/);
my $instance = $1;
my $name = $results->{$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 '" . $name . "': no matching filter name.", debug => 1);
next;
}
if (defined($self->{option_results}->{filter_type}) && $self->{option_results}->{filter_type} ne '' &&
$map_types{$results->{$mapping->{dfType}->{oid} . '.' . $instance}} !~ /$self->{option_results}->{filter_type}/) {
$self->{output}->output_add(long_msg => "skipping '" . $name . "': no matching filter type.", debug => 1);
next;
}
push @fs_selected, $instance;
}
if (scalar(@fs_selected) <= 0) {
$self->{output}->add_option_msg(short_msg => "No entry found.");
$self->{output}->option_exit();
}
$self->{fs} = {};
$options{snmp}->load(oids => \@oids, instances => \@fs_selected);
my $snmp_result = $options{snmp}->get_leef(nothing_quit => 1);
foreach my $instance (sort @fs_selected) {
my $result2 = $options{snmp}->map_instance(mapping => $mapping2, results => $snmp_result, instance => $instance);
$self->{fs}->{$instance} = {
display => defined($result2->{dfVserver}) && $result2->{dfVserver} ne '' ?
$result2->{dfVserver} . ':' . $results->{$mapping2->{dfFileSys}->{oid} . '.' . $instance} :
$results->{$mapping2->{dfFileSys}->{oid} . '.' . $instance}
};
$self->{fs}->{$instance}->{total} = $result2->{dfKBytesTotal} * 1024;
$self->{fs}->{$instance}->{used} = $result2->{dfKBytesUsed} * 1024;
if (defined($result2->{df64TotalKBytes}) && $result2->{df64TotalKBytes} > 0) {
$self->{fs}->{$instance}->{total} = $result2->{df64TotalKBytes} * 1024;
$self->{fs}->{$instance}->{used} = $result2->{df64UsedKBytes} * 1024;
}
$self->{fs}->{$instance}->{dfCompressSavedPercent} = $result2->{dfCompressSavedPercent};
$self->{fs}->{$instance}->{dfDedupeSavedPercent} = $result2->{dfDedupeSavedPercent};
if ($self->{fs}->{$instance}->{total} > 0) {
$self->{fs}->{$instance}->{dfPerCentInodeCapacity} = $result2->{dfPerCentInodeCapacity};
}
}
}
1;
__END__
=head1 MODE
Check filesystem usage (volumes, snapshots and aggregates also).
=over 8
=item B<--warning-*>
Threshold warning.
Can be: usage, inodes (%), compresssaved (%), dedupsaved (%).
=item B<--critical-*>
Threshold critical.
Can be: usage, inodes (%), compresssaved (%), dedupsaved (%).
=item B<--units>
Units of thresholds (Default: '%') ('%', 'B').
=item B<--free>
Thresholds are on free space left.
=item B<--filter-name>
Filter by filesystem name (can be a regexp).
=item B<--filter-vserver>
Filter by vserver name (can be a regexp).
=item B<--filter-type>
Filter filesystem type (can be a regexp. Example: 'flexibleVolume|aggregate').
=back
=cut