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Refs #5379 

Initial work on linux local mode diskio
This commit is contained in:
Quentin Garnier 2014-03-20 16:44:10 +01:00
parent 4db37a9558
commit 95ece57303
2 changed files with 372 additions and 0 deletions
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os/linux/local/mode/diskio.pm Normal file
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@ -0,0 +1,371 @@
################################################################################
# Copyright 2005-2014 MERETHIS
# Centreon is developped by : Julien Mathis and Romain Le Merlus under
# GPL Licence 2.0.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation ; either version 2 of the License.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, see <http://www.gnu.org/licenses>.
#
# Linking this program statically or dynamically with other modules is making a
# combined work based on this program. Thus, the terms and conditions of the GNU
# General Public License cover the whole combination.
#
# As a special exception, the copyright holders of this program give MERETHIS
# permission to link this program with independent modules to produce an executable,
# regardless of the license terms of these independent modules, and to copy and
# distribute the resulting executable under terms of MERETHIS choice, provided that
# MERETHIS also meet, for each linked independent module, the terms and conditions
# of the license of that module. An independent module is a module which is not
# derived from this program. If you modify this program, you may extend this
# exception to your version of the program, but you are not obliged to do so. If you
# do not wish to do so, delete this exception statement from your version.
#
# For more information : contact@centreon.com
# Authors : Quentin Garnier <qgarnier@merethis.com>
#
####################################################################################
package os::linux::local::mode::diskio;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::misc;
use centreon::plugins::statefile;
use Digest::MD5 qw(md5_hex);
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' },
"remote" => { name => 'remote' },
"ssh-option:s@" => { name => 'ssh_option' },
"ssh-path:s" => { name => 'ssh_path' },
"ssh-command:s" => { name => 'ssh_command', default => 'ssh' },
"timeout:s" => { name => 'timeout', default => 30 },
"sudo" => { name => 'sudo' },
"command:s" => { name => 'command', default => 'tail' },
"command-path:s" => { name => 'command_path', },
"command-options:s" => { name => 'command_options', default => '-n +1 /proc/stat /proc/diskstats 2>&1' },
"warning-bytes-read:s" => { name => 'warning_bytes_read' },
"critical-bytes-read:s" => { name => 'critical_bytes_read' },
"warning-bytes-write:s" => { name => 'warning_bytes_write' },
"critical-bytes-write:s" => { name => 'critical_bytes_write' },
"warning-utils:s" => { name => 'warning_utils' },
"critical-utils:s" => { name => 'critical_utils' },
"name:s" => { name => 'name' },
"regexp" => { name => 'use_regexp' },
"regexp-isensitive" => { name => 'use_regexpi' },
"interrupt-frequency:s" => { name => 'interrupt_frequency', default => 1000 },
"bytes_per_sector:s" => { name => 'bytes_per_sector', default => 512 },
});
$self->{result} = { cpu => {}, total_cpu => 0, disks => {} };
$self->{hostname} = undef;
$self->{statefile_value} = centreon::plugins::statefile->new(%options);
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{perfdata}->threshold_validate(label => 'warning-bytes-read', value => $self->{option_results}->{warning_bytes_read})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-bytes-read threshold '" . $self->{option_results}->{warning_bytes_read} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-bytes-read', value => $self->{option_results}->{critical_bytes_read})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical-bytes-read threshold '" . $self->{option_results}->{critical_bytes_read} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warning-bytes-write', value => $self->{option_results}->{warning_bytes_write})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-bytes-write threshold '" . $self->{option_results}->{warning_bytes_write} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-bytes-write', value => $self->{option_results}->{critical_bytes_write})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical-bytes-write threshold '" . $self->{option_results}->{critical_bytes_writes} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warning-utils', value => $self->{option_results}->{warning_utils})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-utils threshold '" . $self->{option_results}->{warning_utils} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-utils', value => $self->{option_results}->{critical_utils})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical-utils threshold '" . $self->{option_results}->{critical_utils} . "'.");
$self->{output}->option_exit();
}
$self->{statefile_value}->check_options(%options);
$self->{hostname} = $self->{option_results}->{hostname};
if (!defined($self->{hostname})) {
$self->{hostname} = 'me';
}
}
sub manage_selection {
my ($self, %options) = @_;
my $stdout = centreon::plugins::misc::execute(output => $self->{output},
options => $self->{option_results},
sudo => $self->{option_results}->{sudo},
command => $self->{option_results}->{command},
command_path => $self->{option_results}->{command_path},
command_options => $self->{option_results}->{command_options});
$stdout =~ /\/proc\/stat(.*)\/proc\/diskstats(.*)/msg;
my ($cpu_parts, $disk_parts) = ($1, $2);
# Manage CPU Parts
$cpu_parts =~ /^cpu\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/ms;
$self->{result}->{cpu}->{idle} = $4;
$self->{result}->{cpu}->{system} = $3;
$self->{result}->{cpu}->{user} = $1;
$self->{result}->{cpu}->{iowait} = $5;
while ($cpu_parts =~ /^cpu(\d+)/msg) {
$self->{result}->{total_cpu}++;
}
# Manage Disk Parts
while ($disk_parts =~ /^\s*(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+/msg) {
my ($partition_name, $read_sector, $write_sector, $read_ms, $write_ms, $ms_ticks) = ($3, $6, $10, $7, $11, $13);
next if (defined($self->{option_results}->{name}) && defined($self->{option_results}->{use_regexp}) && defined($self->{option_results}->{use_regexpi})
&& $partition_name !~ /$self->{option_results}->{name}/i);
next if (defined($self->{option_results}->{name}) && defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi})
&& $partition_name !~ /$self->{option_results}->{name}/);
next if (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi})
&& $partition_name ne $self->{option_results}->{name});
$self->{result}->{disks}->{$partition_name} = { read_sectors => $read_sector, write_sectors => $write_sector,
read_ms => $read_ms, write_ms => $write_ms, ticks => $ms_ticks};
}
if (scalar(keys %{$self->{result}}) <= 0) {
if (defined($self->{option_results}->{name})) {
$self->{output}->add_option_msg(short_msg => "No partition found for name '" . $self->{option_results}->{name} . "'.");
} else {
$self->{output}->add_option_msg(short_msg => "No partition found.");
}
$self->{output}->option_exit();
}
}
sub run {
my ($self, %options) = @_;
$self->manage_selection();
use Data::Dumper;
print Data::Dumper::Dumper($self->{result});
exit(1);
my $new_datas = {};
$self->{statefile_value}->read(statefile => "cache_linux_local_" . $self->{hostname} . '_' . $self->{mode} . '_' . (defined($self->{option_results}->{name}) ? md5_hex($self->{option_results}->{name}) : md5_hex('all')));
$new_datas->{last_timestamp} = time();
my $old_timestamp = $self->{statefile_value}->get(name => 'last_timestamp');
if (!defined($self->{option_results}->{name}) || defined($self->{option_results}->{use_regexp})) {
$self->{output}->output_add(severity => 'OK',
short_msg => 'All traffic are ok.');
}
foreach my $name (sort(keys %{$self->{result}})) {
$new_datas->{'in_' . $name} = $self->{result}->{$name}->{in} * 8;
$new_datas->{'out_' . $name} = $self->{result}->{$name}->{out} * 8;
my $old_in = $self->{statefile_value}->get(name => 'in_' . $name);
my $old_out = $self->{statefile_value}->get(name => 'out_' . $name);
if (!defined($old_timestamp) || !defined($old_in) || !defined($old_out)) {
next;
}
if ($new_datas->{'in_' . $name} < $old_in) {
# We set 0. Has reboot.
$old_in = 0;
}
if ($new_datas->{'out_' . $name} < $old_out) {
# We set 0. Has reboot.
$old_out = 0;
}
my $time_delta = $new_datas->{last_timestamp} - $old_timestamp;
if ($time_delta <= 0) {
# At least one second. two fast calls ;)
$time_delta = 1;
}
my $in_absolute_per_sec = ($new_datas->{'in_' . $name} - $old_in) / $time_delta;
my $out_absolute_per_sec = ($new_datas->{'out_' . $name} - $old_out) / $time_delta;
my ($exit, $interface_speed, $in_prct, $out_prct);
if (defined($self->{option_results}->{speed}) && $self->{option_results}->{speed} ne '') {
$interface_speed = $self->{option_results}->{speed} * 1000000;
$in_prct = $in_absolute_per_sec * 100 / ($self->{option_results}->{speed} * 1000000);
$out_prct = $out_absolute_per_sec * 100 / ($self->{option_results}->{speed} * 1000000);
if ($self->{option_results}->{units} eq '%') {
my $exit1 = $self->{perfdata}->threshold_check(value => $in_prct, threshold => [ { label => 'critical-in', 'exit_litteral' => 'critical' }, { label => 'warning-in', exit_litteral => 'warning' } ]);
my $exit2 = $self->{perfdata}->threshold_check(value => $out_prct, threshold => [ { label => 'critical-out', 'exit_litteral' => 'critical' }, { label => 'warning-out', exit_litteral => 'warning' } ]);
$exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2 ]);
}
$in_prct = sprintf("%.2f", $in_prct);
$out_prct = sprintf("%.2f", $out_prct);
} else {
my $exit1 = $self->{perfdata}->threshold_check(value => $in_absolute_per_sec, threshold => [ { label => 'critical-in', 'exit_litteral' => 'critical' }, { label => 'warning-in', exit_litteral => 'warning' } ]);
my $exit2 = $self->{perfdata}->threshold_check(value => $out_absolute_per_sec, threshold => [ { label => 'critical-out', 'exit_litteral' => 'critical' }, { label => 'warning-out', exit_litteral => 'warning' } ]);
$exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2 ]);
$in_prct = '-';
$out_prct = '-';
}
###########
# Manage Output
###########
my ($in_value, $in_unit) = $self->{perfdata}->change_bytes(value => $in_absolute_per_sec, network => 1);
my ($out_value, $out_unit) = $self->{perfdata}->change_bytes(value => $out_absolute_per_sec, network => 1);
$self->{output}->output_add(long_msg => sprintf("Interface '%s' Traffic In : %s/s (%s %%), Out : %s/s (%s %%) ", $name,
$in_value . $in_unit, $in_prct,
$out_value . $out_unit, $out_prct));
if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1) || (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp}))) {
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Interface '%s' Traffic In : %s/s (%s %%), Out : %s/s (%s %%) ", $name,
$in_value . $in_unit, $in_prct,
$out_value . $out_unit, $out_prct));
}
my $extra_label = '';
$extra_label = '_' . $name if (!defined($self->{option_results}->{name}) || defined($self->{option_results}->{use_regexp}));
$self->{output}->perfdata_add(label => 'traffic_in' . $extra_label, unit => 'b/s',
value => sprintf("%.2f", $in_absolute_per_sec),
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-in', total => $interface_speed),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-in', total => $interface_speed),
min => 0, max => $interface_speed);
$self->{output}->perfdata_add(label => 'traffic_out' . $extra_label, unit => 'b/s',
value => sprintf("%.2f", $out_absolute_per_sec),
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-out', total => $interface_speed),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-out', total => $interface_speed),
min => 0, max => $interface_speed);
}
$self->{statefile_value}->write(data => $new_datas);
if (!defined($old_timestamp)) {
$self->{output}->output_add(severity => 'OK',
short_msg => "Buffer creation...");
}
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check some disk io counters:
read and writes bytes per seconds, milliseconds time spent reading and writing, %util (like iostat)
=over 8
=item B<--remote>
Execute command remotely in 'ssh'.
=item B<--hostname>
Hostname to query (need --remote).
=item B<--ssh-option>
Specify multiple options like the user (example: --ssh-option='-l=centreon-engine' --ssh-option='-p=52').
=item B<--ssh-path>
Specify ssh command path (default: none)
=item B<--ssh-command>
Specify ssh command (default: 'ssh'). Useful to use 'plink'.
=item B<--timeout>
Timeout in seconds for the command (Default: 30).
=item B<--sudo>
Use 'sudo' to execute the command.
=item B<--command>
Command to get information (Default: 'tail').
Can be changed if you have output in a file.
=item B<--command-path>
Command path (Default: none).
=item B<--command-options>
Command options (Default: '-n +1 /proc/stat /proc/diskstats 2>&1').
=item B<--warning-bytes-read>
Threshold warning in bytes per seconds read.
=item B<--critical-bytes-read>
Threshold critical in bytes per seconds read.
=item B<--warning-bytes-write>
Threshold warning in bytes per seconds write.
=item B<--critical-bytes-write>
Threshold critical in bytes per seconds write.
=item B<--warning-utils>
Threshold warning in %utils.
=item B<--critical-utils>
Threshold critical in %utils.
=item B<--name>
Set the partition name (empty means 'check all partitions')
=item B<--regexp>
Allows to use regexp to filter partition name (with option --name).
=item B<--regexp-isensitive>
Allows to use regexp non case-sensitive (with --regexp).
=item B<--bytes-per-sector>
Bytes per sector (Default: 512)
=item B<--interrupt-frequency>
Linux Kernel Timer Interrupt Frequency (Default: 1000)
=back
=cut

1
os/linux/local/plugin.pm
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@ -49,6 +49,7 @@ sub new {
%{$self->{modes}} = (
'cpu' => 'os::linux::local::mode::cpu',
'cmd-return' => 'os::linux::local::mode::cmdreturn',
'diskio' => 'os::linux::local::mode::diskio',
'files-size' => 'os::linux::local::mode::filessize',
'files-date' => 'os::linux::local::mode::filesdate',
'inodes' => 'os::linux::local::mode::inodes',