401 lines
18 KiB
Perl
401 lines
18 KiB
Perl
################################################################################
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# Copyright 2005-2013 MERETHIS
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# Centreon is developped by : Julien Mathis and Romain Le Merlus under
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# GPL Licence 2.0.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation ; either version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, see <http://www.gnu.org/licenses>.
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#
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# Linking this program statically or dynamically with other modules is making a
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# combined work based on this program. Thus, the terms and conditions of the GNU
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# General Public License cover the whole combination.
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#
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# As a special exception, the copyright holders of this program give MERETHIS
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# permission to link this program with independent modules to produce an executable,
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# regardless of the license terms of these independent modules, and to copy and
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# distribute the resulting executable under terms of MERETHIS choice, provided that
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# MERETHIS also meet, for each linked independent module, the terms and conditions
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# of the license of that module. An independent module is a module which is not
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# derived from this program. If you modify this program, you may extend this
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# exception to your version of the program, but you are not obliged to do so. If you
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# do not wish to do so, delete this exception statement from your version.
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#
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# For more information : contact@centreon.com
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# Authors : Quentin Garnier <qgarnier@merethis.com>
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#
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####################################################################################
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package snmp_standard::mode::processcount;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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use centreon::plugins::statefile;
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use Digest::MD5 qw(md5_hex);
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my %map_process_status = (
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1 => 'running',
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2 => 'runnable',
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3 => 'notRunnable',
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4 => 'invalid',
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);
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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{
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"warning:s" => { name => 'warning', },
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"critical:s" => { name => 'critical', },
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"warning-cpu-total:s" => { name => 'warning_cpu_total', },
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"critical-cpu-total:s" => { name => 'critical_cpu_total', },
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"warning-mem-total:s" => { name => 'warning_mem_total', },
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"critical-mem-total:s" => { name => 'critical_mem_total', },
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"warning-mem-avg:s" => { name => 'warning_mem_avg', },
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"critical-mem-avg:s" => { name => 'critical_mem_avg', },
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"process-name:s" => { name => 'process_name', },
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"regexp-name" => { name => 'regexp_name', },
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"process-path:s" => { name => 'process_path', },
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"regexp-path" => { name => 'regexp_path', },
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"process-args:s" => { name => 'process_args', },
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"regexp-args" => { name => 'regexp_args', },
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"process-status:s" => { name => 'process_status', default => 'running|runnable' },
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"memory" => { name => 'memory', },
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"cpu" => { name => 'cpu', },
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});
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$self->{statefile_cache} = centreon::plugins::statefile->new(%options);
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$self->{filter4md5} = '';
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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warning-mem-total', value => $self->{option_results}->{warning_mem_total})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-mem-total threshold '" . $self->{warning_mem_total} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-mem-total', value => $self->{option_results}->{critical_mem_total})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-mem-total threshold '" . $self->{critical_mem_total} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warning-mem-avg', value => $self->{option_results}->{warning_mem_avg})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-mem-avg threshold '" . $self->{warning_mem_avg} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-mem-avg', value => $self->{option_results}->{critical_mem_avg})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-mem-avg threshold '" . $self->{critical_mem_avg} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warning-cpu-total', value => $self->{option_results}->{warning_cpu_total})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-cpu-total threshold '" . $self->{warning_cpu_total} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-cpu-total', value => $self->{option_results}->{critical_cpu_total})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-cpu-total threshold '" . $self->{critical_cpu_total} . "'.");
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$self->{output}->option_exit();
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}
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if (defined($self->{option_results}->{cpu})) {
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$self->{statefile_cache}->check_options(%options);
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# Construct filter for file cache (avoid one check erase one other)
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my @labels = ('process_name', 'regexp_name', 'process_path', 'regexp_path', 'process_args', 'regexp_args', 'process_status');
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foreach (@labels) {
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if (defined($self->{option_results}->{$_})) {
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$self->{filter4md5} .= ',' . $self->{option_results}->{$_};
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}
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}
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}
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}
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sub run {
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my ($self, %options) = @_;
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# $options{snmp} = snmp object
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$self->{snmp} = $options{snmp};
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my $oids = {
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name => '.1.3.6.1.2.1.25.4.2.1.2', # hrSWRunName
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path => '.1.3.6.1.2.1.25.4.2.1.4', # hrSWRunPath
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args => '.1.3.6.1.2.1.25.4.2.1.5', # hrSWRunParameters (Warning: it's truncated. (128 characters))
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status => '.1.3.6.1.2.1.25.4.2.1.7', # hrSWRunStatus
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};
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my $oid_hrSWRunPerfMem = '.1.3.6.1.2.1.25.5.1.1.2';
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my $oid_hrSWRunPerfCPU = '.1.3.6.1.2.1.25.5.1.1.1';
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my $oid2check_filter;
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# To have a better order
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foreach (('name', 'path', 'args', 'status')) {
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if (defined($self->{option_results}->{'process_' . $_})) {
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$oid2check_filter = $_;
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last;
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}
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}
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# Build other
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my $mores_filters = {};
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my $more_oids = [];
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if (defined($self->{option_results}->{memory})) {
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push @{$more_oids}, $oid_hrSWRunPerfMem;
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}
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if (defined($self->{option_results}->{cpu})) {
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push @{$more_oids}, $oid_hrSWRunPerfCPU;
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}
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foreach (keys %$oids) {
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if ($_ ne $oid2check_filter && defined($self->{option_results}->{'process_' . $_})) {
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push @{$more_oids}, $oids->{$_};
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$mores_filters->{$_} = 1;
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}
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}
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my $result = $self->{snmp}->get_table(oid => $oids->{$oid2check_filter});
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my $instances_keep = {};
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foreach my $key ($self->{snmp}->oid_lex_sort(keys %$result)) {
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my $option_val = $self->{option_results}->{'process_' . $oid2check_filter};
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if ($oid2check_filter eq 'status') {
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if ($map_process_status{$result->{$key}} =~ /$option_val/) {
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$key =~ /\.([0-9]+)$/;
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$instances_keep->{$1} = 1;
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}
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} elsif ((defined($self->{option_results}->{'regexp_' . $oid2check_filter}) && $result->{$key} =~ /$option_val/)
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|| (!defined($self->{option_results}->{'regexp_' . $oid2check_filter}) && $result->{$key} eq $option_val)) {
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$key =~ /\.([0-9]+)$/;
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$instances_keep->{$1} = 1;
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}
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}
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my $result2;
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my $datas = {};
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$datas->{last_timestamp} = time();
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if (scalar(keys %$instances_keep) > 0) {
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if (scalar(@$more_oids) > 0) {
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$self->{snmp}->load(oids => $more_oids, instances => [ keys %$instances_keep ]);
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$result2 = $self->{snmp}->get_leef();
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}
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foreach my $key (keys %$instances_keep) {
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my $value = ($oid2check_filter eq 'status') ? $map_process_status{$result->{$oids->{$oid2check_filter} . '.' . $key}} : $result->{$oids->{$oid2check_filter} . '.' . $key};
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my $long_value = '[ ' . $oid2check_filter . ' => ' . $value . ' ]';
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my $deleted = 0;
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foreach (keys %$mores_filters) {
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my $opt_val = $self->{option_results}->{'process_' . $_};
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$value = ($_ eq 'status') ? $map_process_status{$result2->{$oids->{$_} . '.' . $key}} : $result2->{$oids->{$_} . '.' . $key};
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if ($_ eq 'status') {
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if ($value !~ /$opt_val/) {
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delete $instances_keep->{$key};
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$deleted = 1;
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last;
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}
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} elsif ((defined($self->{option_results}->{'regexp_' . $_}) && $value !~ /$opt_val/)
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|| (!defined($self->{option_results}->{'regexp_' . $_}) && $value ne $opt_val)) {
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delete $instances_keep->{$key};
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$deleted = 1;
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last;
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}
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$long_value .= ' [ ' . $_ . ' => ' . $value . ' ]';
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}
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if ($deleted == 0) {
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$self->{output}->output_add(long_msg => 'Process: ' . $long_value);
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}
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}
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}
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my $num_processes_match = scalar(keys(%$instances_keep));
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my $exit = $self->{perfdata}->threshold_check(value => $num_processes_match, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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$self->{output}->output_add(severity => $exit,
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short_msg => "Number of current processes running: $num_processes_match");
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$self->{output}->perfdata_add(label => 'nbproc',
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value => $num_processes_match,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
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min => 0);
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# Check memory
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if (defined($self->{option_results}->{memory}) && $num_processes_match > 0) {
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my $total_memory = 0;
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foreach my $key (keys %$instances_keep) {
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$total_memory += ($result2->{$oid_hrSWRunPerfMem . "." . $key} * 1024);
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}
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$exit = $self->{perfdata}->threshold_check(value => $total_memory, threshold => [ { label => 'critical-mem-total', 'exit_litteral' => 'critical' }, { label => 'warning-mem-total', exit_litteral => 'warning' } ]);
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my ($total_mem_value, $total_mem_unit) = $self->{perfdata}->change_bytes(value => $total_memory);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Total memory usage: %s", $total_mem_value . " " . $total_mem_unit));
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$self->{output}->perfdata_add(label => 'mem_total',
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value => $total_memory,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning_mem_total'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical_mem_total'),
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min => 0);
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$exit = $self->{perfdata}->threshold_check(value => $total_memory / $num_processes_match, threshold => [ { label => 'critical-mem-avg', 'exit_litteral' => 'critical' }, { label => 'warning-mem-avg', exit_litteral => 'warning' } ]);
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my ($avg_mem_value, $avg_mem_unit) = $self->{perfdata}->change_bytes(value => $total_memory / $num_processes_match);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Average memory usage: %.2f %s", $avg_mem_value, $avg_mem_unit));
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$self->{output}->perfdata_add(label => 'mem_avg',
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value => sprintf("%.2f", $total_memory / $num_processes_match),
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning_avg_total'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical_avg_total'),
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min => 0);
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}
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# Check cpu
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if (defined($self->{option_results}->{cpu}) && $num_processes_match > 0) {
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$self->{hostname} = $self->{snmp}->get_hostname();
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$self->{snmp_port} = $self->{snmp}->get_port();
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$self->{statefile_cache}->read(statefile => "snmpstandard_" . $self->{hostname} . '_' . $self->{snmp_port} . '_' . $self->{mode} . '_' . md5_hex($self->{filter4md5}));
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my $old_timestamp = $self->{statefile_cache}->get(name => 'last_timestamp');
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my $total_cpu = 0;
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my $checked = 0;
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foreach my $key (keys %$instances_keep) {
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$datas->{'cpu_' . $key} = $result2->{$oid_hrSWRunPerfCPU . "." . $key};
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my $old_cpu = $self->{statefile_cache}->get(name => 'cpu_' . $key);
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# No value added
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if (!defined($old_cpu) || !defined($old_timestamp)) {
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$self->{output}->output_add(long_msg => 'Buffer creation for process pid ' . $key . '...');
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next;
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}
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# Go back to zero
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if ($old_cpu > $datas->{'cpu_' . $key}) {
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$old_cpu = 0;
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}
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my $time_delta = ($datas->{last_timestamp} - $old_timestamp);
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# At least one seconds.
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if ($time_delta == 0) {
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$time_delta = 1;
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}
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$total_cpu += (($datas->{'cpu_' . $key} - $old_cpu) / $time_delta);
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$checked = 1;
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}
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if ($checked == 1) {
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$exit = $self->{perfdata}->threshold_check(value => $total_cpu, threshold => [ { label => 'critical-cpu-total', 'exit_litteral' => 'critical' }, { label => 'warning-cpu-total', exit_litteral => 'warning' } ]);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("CPU Total Usage: %.2f %%", $total_cpu));
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$self->{output}->perfdata_add(label => 'cpu_total', unit => '%',
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value => sprintf("%.2f", $total_cpu),
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning_cpu_total'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical_cpu_total'),
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min => 0);
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}
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$self->{statefile_cache}->write(data => $datas);
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}
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$self->{output}->display();
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$self->{output}->exit();
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}
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1;
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__END__
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=head1 MODE
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Check system number of processes.
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Can also check memory usage and cpu usage.
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=over 8
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=item B<--warning>
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Threshold warning (process count).
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=item B<--critical>
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Threshold critical (process count).
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=item B<--warning-mem-total>
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Threshold warning in Bytes of total memory usage processes.
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=item B<--critical-mem-total>
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Threshold warning in Bytes of total memory usage processes.
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=item B<--warning-mem-avg>
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Threshold warning in Bytes of average memory usage processes.
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=item B<--critical-mem-avg>
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Threshold warning in Bytes of average memory usage processes.
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=item B<--warning-cpu-total>
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Threshold warning in percent of cpu usage for all processes (sum).
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CPU usage is in % of one cpu, so maximum can be 100% * number of CPU
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and a process can have a value greater than 100%.
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=item B<--critical-cpu-total>
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Threshold critical in percent of cpu usage for all processes (sum).
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CPU usage is in % of one cpu, so maximum can be 100% * number of CPU
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and a process can have a value greater than 100%.
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=item B<--process-name>
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Check process name.
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=item B<--regexp-name>
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Allows to use regexp to filter process name (with option --process-name).
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=item B<--process-path>
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Check process path.
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=item B<--regexp-path>
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Allows to use regexp to filter process path (with option --process-path).
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=item B<--process-args>
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Check process args.
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=item B<--regexp-args>
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Allows to use regexp to filter process args (with option --process-args).
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=item B<--process-status>
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Check process status (Default: 'running|runnable'). Can be a regexp.
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=item B<--memory>
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Check memory.
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=item B<--cpu>
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Check cpu usage. Should be used with fix processes.
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if processes pid changes too much, the plugin can compute values.
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=back
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=cut
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