centreon-plugins/centreon/common/emc/navisphere/mode/cache.pm

214 lines
7.8 KiB
Perl

#
# Copyright 2021 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 centreon::common::emc::navisphere::mode::cache;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
my %states = (
read_cache => [
['^enabled$' , 'OK'],
['^disabling$' , 'CRITICAL'],
['^disabled$' , 'CRITICAL'],
['^.*$' , 'CRITICAL'],
],
write_cache => [
['^enabled$' , 'OK'],
['^disabled$' , 'CRITICAL'],
['^enabling$' , 'OK'],
['^initializing$' , 'WARNING'],
['^dumping$' , 'CRITICAL'],
['^frozen$' , 'CRITICAL'],
['^.*$' , 'CRITICAL'],
],
write_mirror => [
['^yes$' , 'OK'],
['^.*$' , 'CRITICAL'],
],
);
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$options{options}->add_options(arguments =>
{
"cache-command:s" => { name => 'cache_command', default => 'getcache' },
"cache-options:s" => { name => 'cache_options', default => '-pdp -state -mirror' },
"threshold-overload:s@" => { name => 'threshold_overload' },
"warning:s" => { name => 'warning', },
"critical:s" => { name => 'critical', },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
$self->{output}->option_exit();
}
$self->{overload_th} = {};
foreach my $val (@{$self->{option_results}->{threshold_overload}}) {
if ($val !~ /(.*?):(.*?)=(.*)/) {
$self->{output}->add_option_msg(short_msg => "Wrong threshold-overload option '" . $val . "'.");
$self->{output}->option_exit();
}
my ($label, $filter, $threshold) = ($1, $2, $3);
if ($self->{output}->is_litteral_status(status => $threshold) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong threshold-overload status '" . $val . "'.");
$self->{output}->option_exit();
}
$self->{overload_th}->{$label} = {} if (!defined($self->{overload_th}->{$label}));
$self->{overload_th}->{$label}->{$filter} = $threshold;
}
}
sub get_severity {
my ($self, %options) = @_;
my $status = 'unknown';
foreach my $entry (@{$states{$options{label}}}) {
if ($options{value} =~ /${$entry}[0]/i) {
$status = ${$entry}[1];
foreach my $filter (keys %{$self->{overload_th}->{$options{label}}}) {
if (${$entry}[0] =~ /$filter/i) {
$status = $self->{overload_th}->{$options{label}}->{$filter};
last;
}
}
last;
}
}
return $status;
}
sub run {
my ($self, %options) = @_;
my $clariion = $options{custom};
#Prct Dirty Cache Pages = 0
#SP Read Cache State Enabled
#SP Write Cache State Enabled
#Write Cache Mirrored: YES
my $response = $clariion->execute_command(cmd => $self->{option_results}->{cache_command} . ' ' . $self->{option_results}->{cache_options});
chomp $response;
my ($read_cache_state, $write_cache_state);
if ($response !~ /^SP Read Cache State(\s+|:\s+)(.*)/im) {
$self->{output}->output_add(severity => 'UNKNOWN',
short_msg => 'Cannot find cache informations.');
$self->{output}->display();
$self->{output}->exit();
}
$read_cache_state = $2;
$response =~ /^SP Write Cache State(\s+|:\s+)(.*)\s*$/im;
$write_cache_state = $2;
my ($write_cache_mirror, $dirty_prct);
if ($response =~ /^Write Cache Mirrored:\s+(.*)\s*$/im) {
$write_cache_mirror = $1;
}
if ($response =~ /^Prct.*?=\s+(\S+)/im) {
$dirty_prct = $1;
}
$self->{output}->output_add(severity => $self->get_severity(value => $read_cache_state,
label => 'read_cache'),
short_msg => sprintf("Read cache state is '%s'",
$read_cache_state));
$self->{output}->output_add(severity => $self->get_severity(value => $write_cache_state,
label => 'write_cache'),
short_msg => sprintf("Write cache state is '%s'",
$write_cache_state));
if (defined($write_cache_mirror)) {
$self->{output}->output_add(severity => $self->get_severity(value => $write_cache_mirror,
label => 'write_mirror'),
short_msg => sprintf("Write cache mirror is '%s'",
$write_cache_mirror));
}
if (defined($dirty_prct)) {
my $exit = $self->{perfdata}->threshold_check(value => $dirty_prct,
threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Dirty Cache Pages is %s %%", $dirty_prct));
}
$self->{output}->perfdata_add(label => 'dirty_cache', unit => '%',
value => $dirty_prct,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
min => 0, max => 100);
}
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check status of the read and write cache.
=over 8
=item B<--cache-command>
Set cache command (Default: 'getcache').
=item B<--cache-options>
Set option for cache command (Default: '-pdp -state -mirror').
=item B<--warning>
Threshold warning in percent (for dirty cache).
=item B<--critical>
Threshold critical in percent (for dirty cache).
=item B<--threshold-overload>
Set to overload default threshold value.
Example: --threshold-overload='read_cache:(enabled)=critical'
=back
=cut