Add monitoring for rrdcached updates waiting
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Simon Bomm
parent
d33e95b24a
commit
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################################################################################
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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 : Simon BOMM <sbomm@merethis.net>
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#
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####################################################################################
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package apps::rrdcached::mode::stats;
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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 IO::Socket::UNIX;
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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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"socket-path:s" => { name => 'socket_path', default => '/var/rrdtool/rrdcached/rrdcached.sock' },
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"warning:s" => { name => 'warning', default => '3000' },
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"critical:s" => { name => 'critical', default => '5000' },
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"timeout:s" => { name => 'timeout', default => '10' },
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});
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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 '" . $self->{warning} . "'.");
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$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 '" . $self->{critical} . "'.");
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$self->{output}->option_exit();
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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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my $data;
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my @stat;
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my @tab;
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my $queueLenght;
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my $SOCK_PATH = $self->{option_results}->{socket_path};
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if (-S $SOCK_PATH) {
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my $socket = IO::Socket::UNIX->new(
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Type => SOCK_STREAM(),
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Peer => $SOCK_PATH,
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);
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$socket->send("STATS\n");
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while ($data = <$socket>) {
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if ($data =~ /(\d+) Statistics follow/) {
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my $stats_number = $1;
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if ($stats_number < 9) {
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$self->{output}->output_add(severity => 'UNKNOWN',
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short_msg => "Stats available are incomplete, check rrdcached daemon (try again if few moments)");
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$self->{output}->display();
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$self->{output}->exit();
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}
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}
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next if $data !~ m/(^UpdatesR|Data)/;
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push @tab,$data;
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$socket->send("QUIT\n");
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}
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close($socket);
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foreach my $line (@tab) {
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my ($key, $value) = split (/:\s*/, $line,2);
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push @stat, $value;
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$self->{output}->output_add(long_msg => sprintf("%s = %i", $key, $value));
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}
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my $updatesNotWritten = $stat[0] - $stat[1];
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my $exit = $self->{perfdata}->threshold_check(value => $updatesNotWritten, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("RRDCached has %i updates waiting", $updatesNotWritten));
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$self->{output}->perfdata_add(label => 'UpdatesWaiting', unit => 'updates',
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value => $updatesNotWritten,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
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min => 0);
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$self->{output}->display();
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$self->{output}->exit();
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} else {
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$self->{output}->output_add(severity => 'CRITICAL',
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short_msg => "Can't connect to socket, is rrdcached running ? is your socket path correct ?");
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$self->{output}->display();
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$self->{output}->exit();
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}
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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 if one of centreon-broker output is dead and failover file is present. CRITICAL STATE ONLY
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=over 8
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=item B<--rrd-config-file>
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Specify the name of your master rrd config-file (default: central-rrd.xml)
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=item B<--sql-config-file>
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Specify the name of your master sql config file (default: central-broker.xml)
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=item B<--config-path>
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Specify the path to your broker config files (defaut: /etc/centreon-broker/)
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=back
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=cut
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@ -0,0 +1,64 @@
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################################################################################
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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 apps::rrdcached::plugin;
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use strict;
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use warnings;
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use base qw(centreon::plugins::script_simple);
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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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# $options->{options} = options object
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$self->{version} = '0.1';
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%{$self->{modes}} = (
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'stats' => 'apps::rrdcached::mode::stats',
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);
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return $self;
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}
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1;
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__END__
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=head1 PLUGIN DESCRIPTION
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Check RRDCached related informations
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=cut
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