centreon-plugins/database/sap/hana/mode/volumeusage.pm

200 lines
6.8 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 database::sap::hana::mode::volumeusage;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'volume', type => 1, cb_prefix_output => 'prefix_volume_output', message_multiple => 'All data volumes are ok' },
];
$self->{maps_counters}->{volume} = [
{ label => 'usage', nlabel => 'volume.usage.bytes', set => {
key_values => [ { name => 'used' }, { name => 'total' }, { name => 'display' } ],
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 => $self->can('custom_usage_threshold'),
}
},
];
}
sub custom_usage_perfdata {
my ($self, %options) = @_;
my ($label, $nlabel) = ('used', $self->{nlabel});
my $value_perf = $self->{result_values}->{used};
if (defined($self->{instance_mode}->{option_results}->{free})) {
($label, $nlabel) = ('free', 'volume.free.usage.bytes');
$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',
nlabel => $self->{nlabel},
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) = @_;
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 ($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});
my $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'};
$self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used};
$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
$self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used};
return 0;
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$options{options}->add_options(arguments => {
"filter-name:s" => { name => 'filter_name' },
"units:s" => { name => 'units', default => '%' },
"free" => { name => 'free' },
});
return $self;
}
sub prefix_volume_output {
my ($self, %options) = @_;
return "Volume '" . $options{instance_value}->{display} . "' ";
}
sub manage_selection {
my ($self, %options) = @_;
$options{sql}->connect();
my $query = q{
SELECT * FROM SYS.M_VOLUME_FILES WHERE FILE_TYPE = 'DATA'
};
$options{sql}->query(query => $query);
$self->{volume} = {};
while ((my $row = $options{sql}->fetchrow_hashref())) {
my $volume_name = $row->{HOST} . ':' . $row->{FILE_NAME};
if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
$volume_name !~ /$self->{option_results}->{filter_name}/) {
$self->{output}->output_add(long_msg => "skipping '" . $volume_name . "': no matching filter.", debug => 1);
next;
}
$self->{volume}->{$volume_name} = {
used => $row->{USED_SIZE},
total => $row->{TOTAL_SIZE},
display => $volume_name
};
}
if (scalar(keys %{$self->{volume}}) <= 0) {
$self->{output}->add_option_msg(short_msg => "No volume found.");
$self->{output}->option_exit();
}
}
1;
__END__
=head1 MODE
Check data volume usages.
=over 8
=item B<--warning-usage>
Threshold warning.
=item B<--critical-usage>
Threshold critical.
=item B<--filter-name>
Filter volume name. (Can be a regex)
=item B<--units>
Default is '%', can be 'B'
=item B<--free>
Thresholds are on free space left.
=back
=cut