313 lines
11 KiB
Perl
313 lines
11 KiB
Perl
#
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# Copyright 2018 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 apps::vmware::connector::custom::connector;
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use strict;
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use warnings;
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use JSON;
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use ZMQ::LibZMQ4;
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use ZMQ::Constants qw(:all);
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use UUID;
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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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# $options{options} = options object
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# $options{output} = output object
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# $options{exit_value} = integer
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# $options{noptions} = integer
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if (!defined($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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$options{options}->add_options(arguments =>
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{
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"connector-hostname:s@" => { name => 'connector_hostname' },
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"connector-port:s@" => { name => 'connector_port' },
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"vsphere-address:s@" => { name => 'vsphere_address' },
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"vsphere-username:s@" => { name => 'vsphere_username' },
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"vsphere-password:s@" => { name => 'vsphere_password' },
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"container:s@" => { name => 'container' },
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"timeout:s@" => { name => 'timeout' },
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"sampling-period:s@" => { name => 'sampling_period' },
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"time-shift:s@" => { name => 'time_shift' },
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});
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}
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$options{options}->add_help(package => __PACKAGE__, sections => 'CONNECTOR OPTIONS', once => 1);
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$self->{output} = $options{output};
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$self->{mode} = $options{mode};
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$self->{json_send} = {};
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return $self;
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}
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# Method to manage multiples
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sub set_options {
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my ($self, %options) = @_;
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# options{options_result}
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$self->{option_results} = $options{option_results};
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}
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# Method to manage multiples
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sub set_defaults {
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my ($self, %options) = @_;
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# options{default}
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# Manage default value
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foreach (keys %{$options{default}}) {
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if ($_ eq $self->{mode}) {
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for (my $i = 0; $i < scalar(@{$options{default}->{$_}}); $i++) {
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foreach my $opt (keys %{$options{default}->{$_}[$i]}) {
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if (!defined($self->{option_results}->{$opt}[$i])) {
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$self->{option_results}->{$opt}[$i] = $options{default}->{$_}[$i]->{$opt};
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}
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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 check_options {
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my ($self, %options) = @_;
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# return 1 = ok still hostname
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# return 0 = no hostname left
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$self->{connector_hostname} = (defined($self->{option_results}->{connector_hostname})) ? shift(@{$self->{option_results}->{connector_hostname}}) : undef;
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$self->{connector_port} = (defined($self->{option_results}->{connector_port})) ? shift(@{$self->{option_results}->{connector_port}}) : 5700;
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$self->{container} = (defined($self->{option_results}->{container})) ? shift(@{$self->{option_results}->{container}}) : 'default';
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$self->{timeout} = (defined($self->{option_results}->{timeout})) ? shift(@{$self->{option_results}->{timeout}}) : undef;
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$self->{vsphere_address} = (defined($self->{option_results}->{vsphere_address})) ? shift(@{$self->{option_results}->{vsphere_address}}) : undef;
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$self->{vsphere_username} = (defined($self->{option_results}->{vsphere_username})) ? shift(@{$self->{option_results}->{vsphere_username}}) : undef;
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$self->{vsphere_password} = (defined($self->{option_results}->{vsphere_password})) ? shift(@{$self->{option_results}->{vsphere_password}}) : undef;
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$self->{sampling_period} = (defined($self->{option_results}->{sampling_period})) ? shift(@{$self->{option_results}->{sampling_period}}) : undef;
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$self->{time_shift} = (defined($self->{option_results}->{sampling_period})) ? shift(@{$self->{option_results}->{time_shift}}) : 0;
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$self->{connector_port} = 5700 if ($self->{connector_port} eq '');
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$self->{container} = 'default' if ($self->{container} eq '');
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if (!defined($self->{connector_hostname}) || $self->{connector_hostname} eq '') {
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$self->{output}->add_option_msg(short_msg => "Please set option --connector-hostname.");
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$self->{output}->option_exit();
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}
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if (defined($self->{timeout}) && $self->{timeout} =~ /^\d+$/ &&
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$self->{timeout} > 0) {
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$self->{timeout} = $self->{timeout};
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} else {
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$self->{timeout} = 50;
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}
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if (!defined($self->{connector_hostname}) ||
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scalar(@{$self->{option_results}->{connector_hostname}}) == 0) {
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return 0;
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}
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return 1;
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}
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sub set_discovery {
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my ($self, %options) = @_;
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$self->{discovery} = 1;
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}
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sub add_params {
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my ($self, %options) = @_;
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$self->{json_send}->{command} = $options{command} if (defined($options{command}));
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foreach (keys %{$options{params}}) {
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$self->{json_send}->{$_} = $options{params}->{$_};
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}
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}
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sub connector_response {
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my ($self, %options) = @_;
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if (!defined($options{response})) {
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$self->{output}->add_option_msg(short_msg => "Cannot read response: $!");
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$self->{output}->option_exit();
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}
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my $data = zmq_msg_data($options{response});
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if ($data !~ /^RESPSERVER (.*)/msi) {
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$self->{output}->add_option_msg(short_msg => "Response not formatted: $data");
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$self->{output}->option_exit();
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}
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my $json = $1;
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my $result;
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eval {
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$result = JSON->new->utf8->decode($json);
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};
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if ($@) {
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$self->{output}->add_option_msg(short_msg => "Cannot decode json result: $@");
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$self->{output}->option_exit();
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}
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foreach my $output (@{$result->{plugin}->{outputs}}) {
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if ($output->{type} == 1) {
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$self->{output}->output_add(severity => $output->{exit},
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short_msg => $output->{msg});
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} elsif ($output->{type} == 2) {
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$self->{output}->output_add(long_msg => $output->{msg});
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}
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}
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foreach my $perf (@{$result->{plugin}->{perfdatas}}) {
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$self->{output}->perfdata_add(label => $perf->{label}, unit => $perf->{unit},
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value => $perf->{value},
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warning => $perf->{warning},
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critical => $perf->{critical},
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min => $perf->{min}, max => $perf->{max});
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}
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}
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sub run {
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my ($self, %options) = @_;
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# Build request
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my $uuid;
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UUID::generate($uuid);
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$self->{uuid} = $uuid;
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$self->{json_send}->{identity} = 'client-' . unpack('H*', $self->{uuid});
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$self->{json_send}->{connector_hostname} = $self->{connector_hostname};
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$self->{json_send}->{connector_port} = $self->{connector_port};
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$self->{json_send}->{container} = $self->{container};
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$self->{json_send}->{vsphere_address} = $self->{vsphere_address};
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$self->{json_send}->{vsphere_username} = $self->{vsphere_username};
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$self->{json_send}->{vsphere_password} = $self->{vsphere_password};
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$self->{json_send}->{sampling_period} = $self->{sampling_period};
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$self->{json_send}->{time_shift} = $self->{time_shift};
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# Init
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my $context = zmq_init();
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$self->{requester} = zmq_socket($context, ZMQ_DEALER);
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if (!defined($self->{requester})) {
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$self->{output}->add_option_msg(short_msg => "Cannot create socket: $!");
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$self->{output}->option_exit();
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}
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my $flag = ZMQ_NOBLOCK | ZMQ_SNDMORE;
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zmq_setsockopt($self->{requester}, ZMQ_IDENTITY, "client-" . $self->{uuid});
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zmq_setsockopt($self->{requester}, ZMQ_LINGER, 0); # we discard
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zmq_connect($self->{requester}, 'tcp://' . $self->{connector_hostname} . ':' . $self->{connector_port});
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zmq_sendmsg($self->{requester}, "REQCLIENT " . JSON->new->utf8->encode($self->{json_send}), ZMQ_NOBLOCK);
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my @poll = (
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{
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socket => $self->{requester},
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events => ZMQ_POLLIN,
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callback => sub {
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my $response = zmq_recvmsg($self->{requester});
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zmq_close($self->{requester});
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$self->connector_response(response => $response);
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# We need to remove xml output
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if (defined($self->{output}->{option_results}->{output_xml})) {
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delete $self->{output}->{option_results}->{output_xml};
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}
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if (!defined($self->{discovery})) {
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$self->{output}->display();
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} else {
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$self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
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}
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$self->{output}->exit();
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},
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},
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);
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zmq_poll(\@poll, $self->{timeout} * 1000);
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zmq_close($self->{requester});
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$self->{output}->output_add(severity => 'UNKNOWN',
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short_msg => sprintf("Cannot get response (timeout received)"));
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$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 NAME
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VMWare connector library
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=head1 SYNOPSIS
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my vmware connector
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=head1 CONNECTOR OPTIONS
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=over 8
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=item B<--connector-hostname>
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Connector hostname (required).
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=item B<--connector-port>
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Connector port (default: 5700).
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=item B<--container>
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Container to use (it depends of the connector configuration).
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=item B<--vsphere-address>
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Address of vpshere/ESX to connect.
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=item B<--vsphere-username>
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Username of vpshere/ESX connection (with --vsphere-address).
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=item B<--vsphere-password>
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Password of vpshere/ESX connection (with --vsphere-address).
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=item B<--timeout>
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Set global execution timeout (Default: 50)
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=item B<--sampling-period>
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Choose the sampling period (can change the default sampling for counters).
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Should be not different than 300 or 20.
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=item B<--time-shift>
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Can shift the time. We the following option you can average X counters values (default: 0).
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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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