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add memory mode
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Shini31
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243
apps/docker/mode/memory.pm
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243
apps/docker/mode/memory.pm
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###############################################################################
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# Copyright 2005-2015 CENTREON
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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 CENTREON
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# permission to link this program with independent modules to produce an timeelapsedutable,
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# regardless of the license terms of these independent modules, and to copy and
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# distribute the resulting timeelapsedutable under terms of CENTREON choice, provided that
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# CENTREON 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 : Mathieu Cinquin <mcinquin@centreon.com>
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#
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####################################################################################
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package apps::docker::mode::memory;
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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::httplib;
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use JSON;
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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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"port:s" => { name => 'port', default => '2376'},
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"proto:s" => { name => 'proto', default => 'https' },
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"urlpath:s" => { name => 'url_path', default => '/' },
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"name:s" => { name => 'name' },
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"id:s" => { name => 'id' },
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"warning:s" => { name => 'warning' },
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"critical:s" => { name => 'critical' },
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"credentials" => { name => 'credentials' },
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"username:s" => { name => 'username' },
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"password:s" => { name => 'password' },
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"ssl:s" => { name => 'ssl', },
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"cert-file:s" => { name => 'cert_file' },
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"key-file:s" => { name => 'key_file' },
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"cacert-file:s" => { name => 'cacert_file' },
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"timeout:s" => { name => 'timeout', default => '3' },
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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}->{hostname})) {
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$self->{output}->add_option_msg(short_msg => "Please set the hostname option");
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$self->{output}->option_exit();
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}
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if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
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$self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
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$self->{output}->option_exit();
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}
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if ((defined($self->{option_results}->{name})) && (defined($self->{option_results}->{id}))) {
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$self->{output}->add_option_msg(short_msg => "Please set the name or id option");
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$self->{output}->option_exit();
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}
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if ((!defined($self->{option_results}->{name})) && (!defined($self->{option_results}->{id}))) {
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$self->{output}->add_option_msg(short_msg => "Please set the name or id option");
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$self->{output}->option_exit();
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}
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if (($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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}
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sub run {
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my ($self, %options) = @_;
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my $jsoncontent;
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my $query_form_get = { stream => 'false' };
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if (defined($self->{option_results}->{id})) {
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$self->{option_results}->{url_path} = "/containers/".$self->{option_results}->{id}."/stats";
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$jsoncontent = centreon::plugins::httplib::connect($self, query_form_get => $query_form_get, connection_exit => 'critical');
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} elsif (defined($self->{option_results}->{name})) {
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$self->{option_results}->{url_path} = "/containers/".$self->{option_results}->{name}."/stats";
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$jsoncontent = centreon::plugins::httplib::connect($self, query_form_get => $query_form_get, connection_exit => 'critical');
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}
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my $json = JSON->new;
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my $webcontent;
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eval {
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$webcontent = $json->decode($jsoncontent);
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};
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if ($@) {
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$self->{output}->add_option_msg(short_msg => "Cannot decode json response");
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$self->{output}->option_exit();
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}
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my $total_size = $webcontent->{memory_stats}->{limit};
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my $memory_used = $webcontent->{memory_stats}->{usage};
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my $memory_free = $webcontent->{memory_stats}->{limit} - $webcontent->{memory_stats}->{usage};
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my $prct_used = $memory_used * 100 / $total_size;
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my $prct_free = 100 - $prct_used;
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my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size);
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my ($used_value, $used_unit) = $self->{perfdata}->change_bytes(value => $memory_used);
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my ($free_value, $free_unit) = $self->{perfdata}->change_bytes(value => $memory_free);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Memory Total: %s Used: %s (%.2f%%) Free: %s %.2f%%)",
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$total_value . " " . $total_unit,
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$used_value . " " . $used_unit, $prct_used,
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$free_value . " " . $free_unit, $prct_free)
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);
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$self->{output}->perfdata_add(label => "used",
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value => $webcontent->{memory_stats}->{usage},
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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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max => $webcontent->{memory_stats}->{limit},
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);
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$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 Container's memory
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=over 8
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=item B<--hostname>
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IP Addr/FQDN of Docker's API
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=item B<--port>
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Port used by Docker's API (Default: '2576')
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=item B<--proto>
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Specify https if needed (Default: 'https')
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=item B<--urlpath>
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Set path to get Docker's container information (Default: '/')
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=item B<--id>
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Specify one container's id
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=item B<--name>
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Specify one container's name
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=item B<--warning>
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Threshold warning in percent.
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=item B<--critical>
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Threshold critical in percent.
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=item B<--credentials>
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Specify this option if you access webpage over basic authentification
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=item B<--username>
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Specify username
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=item B<--password>
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Specify password
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=item B<--ssl>
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Specify SSL version (example : 'sslv3', 'tlsv1'...)
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=item B<--cert-file>
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Specify certificate to send to the webserver
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=item B<--key-file>
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Specify key to send to the webserver
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=item B<--cacert-file>
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Specify root certificate to send to the webserver
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=item B<--timeout>
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Threshold for HTTP timeout (Default: 3)
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=back
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=cut
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