centreon-plugins/apps/php/apc/web/mode/memory.pm

267 lines
9.2 KiB
Perl

#
# Copyright 2015 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 apps::php::apc::web::mode::memory;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::http;
use centreon::plugins::values;
my $maps_counters = {
'used' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'free' }, { name => 'used' },
],
closure_custom_calc => \&custom_used_calc,
closure_custom_output => \&custom_used_output,
threshold_use => 'used_prct',
output_error_template => 'Memory Usage: %s',
perfdatas => [
{ value => 'used', label => 'used', template => '%d',
unit => 'B', min => 0, max => 'total', threshold_total => 'total' },
],
}
},
'fragmentation' => { class => 'centreon::plugins::values', obj => undef,
set => {
key_values => [
{ name => 'fragmentation' },
],
output_template => 'Memory Fragmentation: %.2f %%', output_error_template => 'Memory Fragmentation: %s',
output_use => 'fragmentation_absolute', threshold_use => 'fragmentation_absolute',
perfdatas => [
{ value => 'fragmentation_absolute', label => 'fragmentation', template => '%.2f',
unit => '%', min => 0, max => 100 },
],
}
},
};
sub custom_used_calc {
my ($self, %options) = @_;
$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_free'} + $options{new_datas}->{$self->{instance} . '_used'};
$self->{result_values}->{free} = $options{new_datas}->{$self->{instance} . '_free'};
$self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'};
$self->{result_values}->{free_prct} = $self->{result_values}->{free} * 100 / $self->{result_values}->{total};
$self->{result_values}->{used_prct} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
return 0;
}
sub custom_used_output {
my ($self, %options) = @_;
my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
my ($used_value, $used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
my ($free_value, $free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free});
return sprintf("Memory Usage Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
$total_value . " " . $total_unit,
$used_value . " " . $used_unit, $self->{result_values}->{used_prct},
$free_value . " " . $free_unit, $self->{result_values}->{free_prct});
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"hostname:s" => { name => 'hostname' },
"port:s" => { name => 'port', },
"proto:s" => { name => 'proto' },
"urlpath:s" => { name => 'url_path', default => "/apc.php" },
"credentials" => { name => 'credentials' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"proxyurl:s" => { name => 'proxyurl' },
"timeout:s" => { name => 'timeout', default => 30 },
});
$self->{http} = centreon::plugins::http->new(output => $self->{output});
foreach (keys %{$maps_counters}) {
$options{options}->add_options(arguments => {
'warning-' . $_ . ':s' => { name => 'warning-' . $_ },
'critical-' . $_ . ':s' => { name => 'critical-' . $_ },
});
my $class = $maps_counters->{$_}->{class};
$maps_counters->{$_}->{obj} = $class->new(output => $self->{output}, perfdata => $self->{perfdata},
label => $_);
$maps_counters->{$_}->{obj}->set(%{$maps_counters->{$_}->{set}});
}
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
foreach (keys %{$maps_counters}) {
$maps_counters->{$_}->{obj}->init(option_results => $self->{option_results});
}
$self->{http}->set_options(%{$self->{option_results}});
}
sub run {
my ($self, %options) = @_;
$self->{webcontent} = $self->{http}->request();
$self->manage_selection();
my ($short_msg, $short_msg_append, $long_msg, $long_msg_append) = ('', '', '', '');
my @exits;
foreach (sort keys %{$maps_counters}) {
$maps_counters->{$_}->{obj}->set(instance => 'mem');
my ($value_check) = $maps_counters->{$_}->{obj}->execute(values => $self->{mem});
if ($value_check != 0) {
$long_msg .= $long_msg_append . $maps_counters->{$_}->{obj}->output_error();
$long_msg_append = ', ';
next;
}
my $exit2 = $maps_counters->{$_}->{obj}->threshold_check();
push @exits, $exit2;
my $output = $maps_counters->{$_}->{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 = ', ';
}
$maps_counters->{$_}->{obj}->perfdata();
}
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 => "Apc $short_msg"
);
} else {
$self->{output}->output_add(short_msg => "Apc $long_msg");
}
$self->{output}->display();
$self->{output}->exit();
}
sub in_bytes {
my ($self, %options) = @_;
my $value = $options{value};
if ($options{unit} =~ /^G/) {
$value *= 1024 * 1024 * 1024;
} elsif ($options{unit} =~ /^M/) {
$value *= 1024 * 1024;
} elsif ($options{unit} =~ /^K/) {
$value *= 1024;
}
return $value;
}
sub manage_selection {
my ($self, %options) = @_;
my ($free, $used);
if ($self->{webcontent} =~ /Memory Usage.*?Free:.*?([0-9\.]+)\s*(\S*)/msi) {
$free = $self->in_bytes(value => $1, unit => $2);
}
if ($self->{webcontent} =~ /Memory Usage.*?Used:.*?([0-9\.]+)\s*(\S*)/msi) {
$used = $self->in_bytes(value => $1, unit => $2);
}
$self->{mem} = {};
$self->{mem}->{free} = $free;
$self->{mem}->{used} = $used;
$self->{mem}->{fragmentation} = $self->{webcontent} =~ /Fragmentation:.*?([0-9\.]+)/msi ? $1 : undef;
}
1;
__END__
=head1 MODE
Check memory usage.
=over 8
=item B<--hostname>
IP Addr/FQDN of the webserver host
=item B<--port>
Port used by web server
=item B<--proxyurl>
Proxy URL if any
=item B<--proto>
Specify https if needed
=item B<--urlpath>
Set path to get server-status page in auto mode (Default: '/apc.php')
=item B<--credentials>
Specify this option if you access server-status page over basic authentification
=item B<--username>
Specify username for basic authentification (Mandatory if --credentials is specidied)
=item B<--password>
Specify password for basic authentification (Mandatory if --credentials is specidied)
=item B<--timeout>
Threshold for HTTP timeout (Default: 30)
=item B<--warning-*>
Threshold warning.
Can be: 'used' (in percent), 'fragmentation' (in percent).
=item B<--critical-*>
Threshold critical.
Can be: 'used' (in percent), 'fragmentation' (in percent).
=back
=cut