275 lines
8.4 KiB
Perl
275 lines
8.4 KiB
Perl
#
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# Copyright 2020 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 database::influxdb::custom::api;
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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::http;
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use URI::Encode;
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use JSON::XS;
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sub new {
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my ($class, %options) = @_;
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my $self = {};
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bless $self, $class;
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if (!defined($options{output})) {
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print "Class Custom: Need to specify 'output' argument.\n";
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exit 3;
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}
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if (!defined($options{options})) {
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$options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
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$options{output}->option_exit();
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}
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if (!defined($options{noptions})) {
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$options{options}->add_options(arguments => {
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'hostname:s' => { name => 'hostname' },
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'port:s' => { name => 'port' },
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'proto:s' => { name => 'proto' },
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'username:s' => { name => 'username' },
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'password:s' => { name => 'password' },
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'timeout:s' => { name => 'timeout' },
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'unknown-http-status:s' => { name => 'unknown_http_status' },
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'warning-http-status:s' => { name => 'warning_http_status' },
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'critical-http-status:s' => { name => 'critical_http_status' }
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});
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}
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$options{options}->add_help(package => __PACKAGE__, sections => 'CUSTOM MODE OPTIONS', once => 1);
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$self->{output} = $options{output};
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$self->{http} = centreon::plugins::http->new(%options);
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return $self;
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}
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sub set_options {
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my ($self, %options) = @_;
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$self->{option_results} = $options{option_results};
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}
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sub set_defaults {}
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sub check_options {
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my ($self, %options) = @_;
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$self->{hostname} = (defined($self->{option_results}->{hostname})) ? $self->{option_results}->{hostname} : '';
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$self->{port} = (defined($self->{option_results}->{port})) ? $self->{option_results}->{port} : 8086;
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$self->{proto} = (defined($self->{option_results}->{proto})) ? $self->{option_results}->{proto} : 'http';
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$self->{timeout} = (defined($self->{option_results}->{timeout})) ? $self->{option_results}->{timeout} : 10;
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$self->{username} = (defined($self->{option_results}->{username})) ? $self->{option_results}->{username} : undef;
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$self->{password} = (defined($self->{option_results}->{password})) ? $self->{option_results}->{password} : undef;
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$self->{unknown_http_status} = (defined($self->{option_results}->{unknown_http_status})) ? $self->{option_results}->{unknown_http_status} : '%{http_code} < 200 or %{http_code} >= 300' ;
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$self->{warning_http_status} = (defined($self->{option_results}->{warning_http_status})) ? $self->{option_results}->{warning_http_status} : '';
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$self->{critical_http_status} = (defined($self->{option_results}->{critical_http_status})) ? $self->{option_results}->{critical_http_status} : '';
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if (!defined($self->{hostname}) || $self->{hostname} eq '') {
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$self->{output}->add_option_msg(short_msg => "Need to specify --hostname option.");
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$self->{output}->option_exit();
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}
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return 0;
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}
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sub get_hostname {
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my ($self, %options) = @_;
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return $self->{hostname};
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}
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sub get_port {
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my ($self, %options) = @_;
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return $self->{port};
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}
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sub build_options_for_httplib {
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my ($self, %options) = @_;
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$self->{option_results}->{hostname} = $self->{hostname};
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$self->{option_results}->{port} = $self->{port};
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$self->{option_results}->{proto} = $self->{proto};
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$self->{option_results}->{timeout} = $self->{timeout};
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if (defined($self->{username}) && $self->{username} ne '') {
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$self->{option_results}->{credentials} = 1;
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$self->{option_results}->{basic} = 1;
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$self->{option_results}->{username} = $self->{username};
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$self->{option_results}->{password} = $self->{password};
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}
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}
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sub settings {
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my ($self, %options) = @_;
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$self->build_options_for_httplib();
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$self->{http}->set_options(%{$self->{option_results}});
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}
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sub request {
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my ($self, %options) = @_;
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$self->settings();
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$self->{output}->output_add(long_msg => "URL: '" . $self->{proto} . '://' . $self->{hostname} . ':' . $self->{port} . $options{url_path} . "'", debug => 1);
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$self->{output}->output_add(long_msg => "Parameters: '" . join(', ', @{$options{post_param}}) . "'", debug => 1) if (defined($options{post_param}));
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my $content = $self->{http}->request(
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%options,
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unknown_status => $self->{unknown_http_status},
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warning_status => $self->{warning_http_status},
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critical_status => $self->{critical_http_status},
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);
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if (!defined($content) || $content eq '') {
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$self->{output}->add_option_msg(short_msg => "API returns empty content [code: '" . $self->{http}->get_code() . "'] [message: '" . $self->{http}->get_message() . "']");
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$self->{output}->option_exit();
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}
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my $decoded;
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eval {
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$decoded = JSON::XS->new->utf8->decode($content);
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};
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if ($@) {
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$self->{output}->output_add(long_msg => $content, debug => 1);
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$self->{output}->add_option_msg(short_msg => "Cannot decode response (add --debug option to display returned content)");
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$self->{output}->option_exit();
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}
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if (defined($decoded->{error})) {
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$self->{output}->add_option_msg(short_msg => "API returns error '" . $decoded->{error} . "'");
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$self->{output}->option_exit();
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}
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return $decoded;
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}
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sub query {
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my ($self, %options) = @_;
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my $data;
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foreach my $query (@{$options{queries}}) {
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my $results = $self->request(
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method => 'POST',
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url_path => '/query?epoch=s',
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post_param => ['q=' . $query]
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);
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if (defined($results->{results}[0]->{error})) {
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$self->{output}->add_option_msg(short_msg => "API returns error '" . $results->{results}[0]->{error} . "'");
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$self->{output}->option_exit();
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}
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push @{$data}, @{$results->{results}[0]->{series}} if (defined($results->{results}[0]->{series}));
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}
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return $data;
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}
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sub compute {
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my ($self, %options) = @_;
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my $result;
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if ($options{aggregation} eq 'average') {
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my $points = 0;
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foreach my $value (@{$options{values}}) {
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$result = 0 if (!defined($result));
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$result += $value->[$options{column}];
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$points++;
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}
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$result /= $points;
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} elsif ($options{aggregation} eq 'minimum') {
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foreach my $value (@{$options{values}}) {
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$result = $value->[$options{column}] if (!defined($result) || $value->[$options{column}] < $result);
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}
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} elsif ($options{aggregation} eq 'maximum') {
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foreach my $value (@{$options{values}}) {
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$result = $value->[$options{column}] if (!defined($result) || $value->[$options{column}] > $result);
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}
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} elsif ($options{aggregation} eq 'sum') {
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foreach my $value (@{$options{values}}) {
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$result = 0 if (!defined($result));
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$result += $value->[$options{column}];
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}
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}
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return $result;
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}
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1;
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__END__
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=head1 NAME
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InfluxDB Rest API
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=head1 CUSTOM MODE OPTIONS
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InfluxDB Rest API
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=over 8
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=item B<--hostname>
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Remote hostname or IP address.
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=item B<--port>
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Port used (Default: 8086)
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=item B<--proto>
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Specify https if needed (Default: 'http')
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=item B<--username>
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Specify username for authentication.
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=item B<--password>
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Specify password for authentication.
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=item B<--timeout>
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Set timeout in seconds (Default: 10).
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=item B<--unknown-http-status>
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Threshold unknown for http response code.
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(Default: '%{http_code} < 200 or %{http_code} >= 300')
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=item B<--warning-http-status>
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Threshold warning for http response code.
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=item B<--critical-http-status>
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Threshold critical for http response code.
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=back
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=head1 DESCRIPTION
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B<custom>.
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=cut
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