380 lines
17 KiB
Perl
380 lines
17 KiB
Perl
#
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# Copyright 2016 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package os::linux::local::mode::packeterrors;
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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::misc;
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use centreon::plugins::statefile;
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use Digest::MD5 qw(md5_hex);
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my $maps_counters = {
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packets_discard_in => { thresholds => {
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warning_in_discard => { label => 'warning-in-discard', exit_value => 'warning' },
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critical_in_discard => { label => 'critical-in-discard', exit_value => 'critical' },
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},
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output_msg => 'In Discard : %.2f %% (%d)',
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regexp => 'RX packets:\d+\s*?errors:\d+\s*?dropped:(\d+)',
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total => 'total_in',
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},
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packets_discard_out => { thresholds => {
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warning_out_discard => { label => 'warning-out-discard', exit_value => 'warning' },
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critical_out_discard => { label => 'critical-out-discard', exit_value => 'critical' },
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},
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output_msg => 'Out Discard : %.2f %% (%d)',
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regexp => 'TX packets:\d+\s*?errors:\d+\s*?dropped:(\d+)',
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total => 'total_out',
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},
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packets_error_in => { thresholds => {
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warning_in_error => { label => 'warning-in-error', exit_value => 'warning' },
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critical_in_error => { label => 'critical-in-error', exit_value => 'critical' },
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},
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output_msg => 'In Error : %.2f %% (%d)',
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regexp => 'RX packets:\d+\s*?errors:(\d+)',
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total => 'total_in',
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},
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packets_error_out => { thresholds => {
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warning_out_error => { label => 'warning-out-error', exit_value => 'warning' },
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critical_out_error => { label => 'critical-out-error', exit_value => 'critical' },
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},
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output_msg => 'Out Error : %.2f %% (%d)',
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regexp => 'TX packets:\d+\s*?errors:(\d+)',
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total => 'total_out',
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},
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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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$options{options}->add_options(arguments =>
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{
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"hostname:s" => { name => 'hostname' },
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"remote" => { name => 'remote' },
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"ssh-option:s@" => { name => 'ssh_option' },
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"ssh-path:s" => { name => 'ssh_path' },
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"ssh-command:s" => { name => 'ssh_command', default => 'ssh' },
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"timeout:s" => { name => 'timeout', default => 30 },
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"sudo" => { name => 'sudo' },
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"command:s" => { name => 'command', default => 'ifconfig' },
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"command-path:s" => { name => 'command_path', default => '/sbin' },
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"command-options:s" => { name => 'command_options', default => '-a 2>&1' },
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"filter-state:s" => { name => 'filter_state', },
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"name:s" => { name => 'name' },
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"regexp" => { name => 'use_regexp' },
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"regexp-isensitive" => { name => 'use_regexpi' },
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"no-loopback" => { name => 'no_loopback', },
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"skip" => { name => 'skip' },
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});
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foreach (keys %{$maps_counters}) {
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foreach my $name (keys %{$maps_counters->{$_}->{thresholds}}) {
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$options{options}->add_options(arguments => {
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$maps_counters->{$_}->{thresholds}->{$name}->{label} . ':s' => { name => $name },
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});
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}
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}
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$self->{result} = {};
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$self->{hostname} = undef;
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$self->{statefile_value} = centreon::plugins::statefile->new(%options);
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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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$self->SUPER::init(%options);
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foreach (keys %{$maps_counters}) {
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foreach my $name (keys %{$maps_counters->{$_}->{thresholds}}) {
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if (($self->{perfdata}->threshold_validate(label => $maps_counters->{$_}->{thresholds}->{$name}->{label}, value => $self->{option_results}->{$name})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong " . $maps_counters->{$_}->{thresholds}->{$name}->{label} . " threshold '" . $self->{option_results}->{$name} . "'.");
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$self->{output}->option_exit();
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}
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}
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}
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$self->{statefile_value}->check_options(%options);
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$self->{hostname} = $self->{option_results}->{hostname};
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if (!defined($self->{hostname})) {
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$self->{hostname} = 'me';
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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my $stdout = centreon::plugins::misc::execute(output => $self->{output},
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options => $self->{option_results},
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sudo => $self->{option_results}->{sudo},
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command => $self->{option_results}->{command},
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command_path => $self->{option_results}->{command_path},
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command_options => $self->{option_results}->{command_options});
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while ($stdout =~ /^(\S+)(.*?)(\n\n|\n$)/msg) {
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my ($interface_name, $values) = ($1, $2);
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my $states = '';
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$states .= 'R' if ($values =~ /RUNNING/ms);
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$states .= 'U' if ($values =~ /UP/ms);
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next if (defined($self->{option_results}->{no_loopback}) && $values =~ /LOOPBACK/ms);
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next if (defined($self->{option_results}->{filter_state}) && $self->{option_results}->{filter_state} ne '' &&
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$states !~ /$self->{option_results}->{filter_state}/);
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next if (defined($self->{option_results}->{name}) && defined($self->{option_results}->{use_regexp}) && defined($self->{option_results}->{use_regexpi})
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&& $interface_name !~ /$self->{option_results}->{name}/i);
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next if (defined($self->{option_results}->{name}) && defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi})
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&& $interface_name !~ /$self->{option_results}->{name}/);
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next if (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi})
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&& $interface_name ne $self->{option_results}->{name});
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$values =~ /RX packets:(\d+).*?TX packets:(\d+)/msi;
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$self->{result}->{$interface_name} = {total_in => $1, total_out => $2, state => $states};
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foreach (keys %{$maps_counters}) {
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$values =~ /$maps_counters->{$_}->{regexp}/msi;
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$self->{result}->{$interface_name}->{$_} = $1;
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}
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}
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if (scalar(keys %{$self->{result}}) <= 0) {
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if (defined($self->{option_results}->{name})) {
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$self->{output}->add_option_msg(short_msg => "No interface found for name '" . $self->{option_results}->{name} . "'.");
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} else {
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$self->{output}->add_option_msg(short_msg => "No interface found.");
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}
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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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$self->manage_selection();
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my $new_datas = {};
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$self->{statefile_value}->read(statefile => "cache_linux_local_" . $self->{hostname} . '_' . $self->{mode} . '_' . (defined($self->{option_results}->{name}) ? md5_hex($self->{option_results}->{name}) : md5_hex('all')));
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$new_datas->{last_timestamp} = time();
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my $old_timestamp = $self->{statefile_value}->get(name => 'last_timestamp');
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if (!defined($self->{option_results}->{name}) || defined($self->{option_results}->{use_regexp})) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => 'All interfaces are ok.');
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}
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foreach my $name (sort(keys %{$self->{result}})) {
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if ($self->{result}->{$name}->{state} !~ /RU/) {
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if (!defined($self->{option_results}->{skip})) {
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$self->{output}->output_add(severity => 'CRITICAL',
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short_msg => "Interface '" . $name . "' is not up or/and running");
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} else {
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# Avoid getting "buffer creation..." alone
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if (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp})) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => "Interface '" . $name . "' is not up or/and running (normal state)");
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}
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$self->{output}->output_add(long_msg => "Skip interface '" . $name . "': not up or/and running.");
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}
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next;
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}
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# Some interface are running but not have bytes in/out
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if (!defined($self->{result}->{$name}->{total_in})) {
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if (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp})) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => "Interface '" . $name . "' is up and running but can't get packets (no values)");
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}
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$self->{output}->output_add(long_msg => "Skip interface '" . $name . "': can't get packets.");
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next;
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}
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my $old_datas = {};
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my $next = 0;
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foreach (keys %{$self->{result}->{$name}}) {
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next if ($_ eq 'state');
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$new_datas->{$_ . '_' . $name} = $self->{result}->{$name}->{$_};
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$old_datas->{$_ . '_' . $name} = $self->{statefile_value}->get(name => $_ . '_' . $name);
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if (!defined($old_datas->{$_ . '_' . $name})) {
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$next = 1;
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} elsif ($new_datas->{$_ . '_' . $name} < $old_datas->{$_ . '_' . $name}) {
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# We set 0. has reboot
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$old_datas->{$_ . '_' . $name} = 0;
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}
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}
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if (!defined($old_timestamp) || $next == 1) {
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next;
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}
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my $time_delta = $new_datas->{last_timestamp} - $old_timestamp;
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if ($time_delta <= 0) {
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# At least one second. two fast calls ;)
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$time_delta = 1;
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}
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############
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my $error_values = {};
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foreach (keys %{$maps_counters}) {
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$error_values->{$_} = {} if (!defined($error_values->{$_}));
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my $total_packets = $new_datas->{$maps_counters->{$_}->{total} . '_' . $name} - $old_datas->{$maps_counters->{$_}->{total} . '_' . $name};
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$error_values->{$_}->{per_sec} = ($new_datas->{$_ . '_' . $name} - $old_datas->{$_ . '_' . $name}) / $time_delta;
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$error_values->{$_}->{prct} = ($total_packets == 0) ? 0 : ($new_datas->{$_ . '_' . $name} - $old_datas->{$_ .'_' . $name}) * 100 / $total_packets;
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}
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###########
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# Manage Output
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###########
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my @exits;
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foreach (keys %{$maps_counters}) {
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foreach my $name (keys %{$maps_counters->{$_}->{thresholds}}) {
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push @exits, $self->{perfdata}->threshold_check(value => $error_values->{$_}->{prct}, threshold => [ { label => $maps_counters->{$_}->{thresholds}->{$name}->{label}, 'exit_litteral' => $maps_counters->{$_}->{thresholds}->{$name}->{exit_value} }]);
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}
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}
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my $exit = $self->{output}->get_most_critical(status => [ @exits ]);
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my $extra_label = '';
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$extra_label = '_' . $name if (!defined($self->{option_results}->{name}) || defined($self->{option_results}->{use_regexp}));
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my $str_output = "Interface '$name' Packets ";
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my $str_append = '';
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foreach (keys %{$maps_counters}) {
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$str_output .= $str_append . sprintf($maps_counters->{$_}->{output_msg}, $error_values->{$_}->{prct}, $new_datas->{$_ . '_' . $name} - $old_datas->{$_ . '_' . $name});
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$str_append = ', ';
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my ($warning, $critical);
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foreach my $name (keys %{$maps_counters->{$_}->{thresholds}}) {
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$warning = $self->{perfdata}->get_perfdata_for_output(label => $maps_counters->{$_}->{thresholds}->{$name}->{label}) if ($maps_counters->{$_}->{thresholds}->{$name}->{exit_value} eq 'warning');
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$critical = $self->{perfdata}->get_perfdata_for_output(label => $maps_counters->{$_}->{thresholds}->{$name}->{label}) if ($maps_counters->{$_}->{thresholds}->{$name}->{exit_value} eq 'critical');
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}
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$self->{output}->perfdata_add(label => $_ . $extra_label, unit => '%',
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value => sprintf("%.2f", $error_values->{$_}->{prct}),
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warning => $warning,
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critical => $critical,
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min => 0, max => 100);
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}
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$self->{output}->output_add(long_msg => $str_output);
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if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1) || (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp}))) {
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$self->{output}->output_add(severity => $exit,
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short_msg => $str_output);
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}
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}
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$self->{statefile_value}->write(data => $new_datas);
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if (!defined($old_timestamp)) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => "Buffer creation...");
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}
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$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 packets errors and discards on interfaces.
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=over 8
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=item B<--remote>
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Execute command remotely in 'ssh'.
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=item B<--hostname>
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Hostname to query (need --remote).
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=item B<--ssh-option>
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Specify multiple options like the user (example: --ssh-option='-l=centreon-engine' --ssh-option='-p=52').
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=item B<--ssh-path>
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Specify ssh command path (default: none)
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=item B<--ssh-command>
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Specify ssh command (default: 'ssh'). Useful to use 'plink'.
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=item B<--timeout>
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Timeout in seconds for the command (Default: 30).
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=item B<--sudo>
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Use 'sudo' to execute the command.
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=item B<--command>
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Command to get information (Default: 'ifconfig').
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Can be changed if you have output in a file.
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=item B<--command-path>
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Command path (Default: '/sbin').
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=item B<--command-options>
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Command options (Default: '-a 2>&1').
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=item B<--warning-*>
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Threshold warning in percent of total packets. Can be:
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in-error, out-error, in-discard, out-discard
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=item B<--critical-*>
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Threshold critical in percent of total packets. Can be:
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in-error, out-error, in-discard, out-discard
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=item B<--name>
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Set the interface name (empty means 'check all interfaces')
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=item B<--regexp>
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Allows to use regexp to filter storage mount point (with option --name).
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=item B<--regexp-isensitive>
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Allows to use regexp non case-sensitive (with --regexp).
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=item B<--filter-state>
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Filter filesystem type (regexp can be used).
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=item B<--skip>
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Skip errors on interface status (not up and running).
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=item B<--no-loopback>
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Don't display loopback interfaces.
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=back
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=cut |