enh(plugin): test ntp_new.pm
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thibaults-centreon
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#
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# Copyright 2019 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 snmp_standard::mode::ntp_new;
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use base qw(centreon::plugins::templates::counter);
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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 DateTime;
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use Data::Dumper;
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'offset', type => 0 }
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];
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$self->{maps_counters}->{offset} = [
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{ label => 'offset', nlabel => 'time.offset.seconds', set => {
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key_values => [ { name => 'offset' } ],
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output_template => 'Offset: %d second(s)',
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perfdatas => [
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{ label => 'offset', value => 'offset_absolute', template => '%d', unit => 's' },
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],
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}
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},
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];
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$options{options}->add_options(arguments =>
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{
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"ntp-hostname:s" => { name => 'ntp_hostname' },
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"ntp-port:s" => { name => 'ntp_port', default => 123 },
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"warning:s" => { name => 'warning' },
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"critical:s" => { name => 'critical' },
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"timezone:s" => { name => 'timezone' },
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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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$self->SUPER::init(%options);
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if (defined($self->{option_results}->{ntp_hostname})) {
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centreon::plugins::misc::mymodule_load(output => $self->{output}, module => 'Net::NTP',
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error_msg => "Cannot load module 'Net::NTP'.");
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{snmp} = $options{snmp};
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$self->{offset} = {};
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my ($ref_time, $distant_time);
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my $oid_hrSystemDate = '.1.3.6.1.2.1.25.1.2.0';
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my $result = $self->{snmp}->get_leef(oids => [ $oid_hrSystemDate ], nothing_quit => 1);
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if (defined($self->{option_results}->{ntp_hostname}) && $self->{option_results}->{ntp_hostname} ne '') {
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my %ntp;
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eval {
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%ntp = Net::NTP::get_ntp_response($self->{option_results}->{ntp_hostname}, $self->{option_results}->{ntp_port});
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};
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if ($@) {
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$self->{output}->output_add(severity => 'UNKNOWN',
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short_msg => "Couldn't connect to ntp server: " . $@);
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$self->{output}->display();
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$self->{output}->exit();
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}
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$ref_time = $ntp{'Transmit Timestamp'};
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} else {
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$ref_time = time();
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}
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my @remote_date = unpack 'n C6 a C2', $result->{$oid_hrSystemDate};
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my $timezone = 'UTC';
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if (defined($self->{option_results}->{timezone}) && $self->{option_results}->{timezone} ne '') {
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$timezone = $self->{option_results}->{timezone};
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} elsif (defined($remote_date[9])) {
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$timezone = sprintf("%s%02d%02d", $remote_date[7], $remote_date[8], $remote_date[9]); # format +0630
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}
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my $tz = centreon::plugins::misc::set_timezone(name => $timezone);
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my $dt = DateTime->new(
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year => $remote_date[0],
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month => $remote_date[1],
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day => $remote_date[2],
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hour => $remote_date[3],
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minute => $remote_date[4],
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second => $remote_date[5],
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%$tz
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);
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$distant_time = $dt->epoch;
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my $offset = $distant_time - $ref_time;
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my $remote_date_formated = sprintf("Local Time : %02d-%02d-%02dT%02d:%02d:%02d (%s)", $remote_date[0], $remote_date[1], $remote_date[2],
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$remote_date[3], $remote_date[4], $remote_date[5], $timezone);
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$self->{output}->output_add(short_msg => $remote_date_formated);
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my $formated_offset = sprintf("%d", $offset);
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$self->{offset} = { offset => $formated_offset, display => 0 };
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#print Dumper($self);
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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 time offset of server with ntp server. Use local time if ntp-host option is not set.
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SNMP gives a date with second precision (no milliseconds). Time precision is not very accurate.
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Use threshold with (+-) 2 seconds offset (minimum).
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=over 8
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=item B<--warning>
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Threshold warning.
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=item B<--critical>
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Threshold critical.
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=item B<--ntp-hostname>
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Set the ntp hostname (if not set, localtime is used).
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=item B<--ntp-port>
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Set the ntp port (Default: 123).
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=item B<--timezone>
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Set the timezone of distant server. For Windows, you need to set it.
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Can use format: 'Europe/London' or '+0100'.
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=back
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=cut
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