198 lines
6.7 KiB
Perl
198 lines
6.7 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 snmp_standard::mode::dynamiccommand;
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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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my $oid_nsExtendArgs = '.1.3.6.1.4.1.8072.1.3.2.2.1.3';
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my $oid_nsExtendStatus = '.1.3.6.1.4.1.8072.1.3.2.2.1.21'; # 4 = CreateAndGo
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my $oid_nsExtendCommand = '.1.3.6.1.4.1.8072.1.3.2.2.1.2';
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my $oid_nsExtendStorage = '.1.3.6.1.4.1.8072.1.3.2.2.1.20'; # 2 = Volatile (what we want)
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my $oid_nsExtendExecType = '.1.3.6.1.4.1.8072.1.3.2.2.1.6'; # 1 = exec, 2 = sub shell
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my $oid_nsExtendOutput1Line = '.1.3.6.1.4.1.8072.1.3.2.3.1.1';
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my $oid_nsExtendOutNumLines = '.1.3.6.1.4.1.8072.1.3.2.3.1.3';
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my $oid_nsExtendOutputFull = '.1.3.6.1.4.1.8072.1.3.2.3.1.2';
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my $oid_nsExtendResult = '.1.3.6.1.4.1.8072.1.3.2.3.1.4';
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sub new {
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my ($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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'label:s' => { name => 'label' },
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'command:s' => { name => 'command' },
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'args:s' => { name => 'args' },
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'shell' => { name => 'shell' },
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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}->{label})) {
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$self->{output}->add_option_msg(short_msg => "Need to specify an label.");
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$self->{output}->option_exit();
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}
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if (!defined($self->{option_results}->{command})) {
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$self->{output}->add_option_msg(short_msg => "Need to specify a command.");
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$self->{output}->option_exit();
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}
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if (!defined($self->{option_results}->{args})) {
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$self->{output}->add_option_msg(short_msg => "Need to specify arguments (can be empty).");
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$self->{output}->option_exit();
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}
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}
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sub get_instance {
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my ($self, %options) = @_;
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# nsExtendStatus.LengthStr.CharacterInDecimal
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my $instance = length($self->{option_results}->{label});
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foreach (split //, $self->{option_results}->{label}) {
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$instance .= '.' . ord($_);
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}
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return $instance;
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}
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sub create_command {
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my ($self, %options) = @_;
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my $oids2set = {};
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$oids2set->{$oid_nsExtendStatus . '.' . $options{instance}} = { value => 4, type => 'INTEGER' };
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$oids2set->{$oid_nsExtendArgs . '.' . $options{instance}} = { value => $self->{option_results}->{args}, type => 'OCTETSTR' };
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$oids2set->{$oid_nsExtendCommand . '.' . $options{instance}} = { value => $self->{option_results}->{command}, type => 'OCTETSTR' };
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$oids2set->{$oid_nsExtendExecType . '.' . $options{instance}} = { value => (defined($self->{option_results}->{shell}) ? 2 : 1), type => 'INTEGER' };
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$self->{snmp}->set(oids => $oids2set);
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}
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sub update_command {
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my ($self, %options) = @_;
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my $shell = defined($self->{option_results}->{shell}) ? 2 : 1;
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# Cannot change values
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if ($options{result}->{$oid_nsExtendStorage . '.' . $options{instance}} != 2) {
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$self->{output}->add_option_msg(short_msg => "Command label '" . $self->{option_results}->{label} . "' is not volatile. So we can't manage it.");
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$self->{output}->option_exit();
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}
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my $oids2set = {};
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if (!defined($options{result}->{$oid_nsExtendCommand . '.' . $options{instance}}) ||
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$options{result}->{$oid_nsExtendCommand . '.' . $options{instance}} ne $self->{option_results}->{command}) {
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$oids2set->{$oid_nsExtendCommand . '.' . $options{instance}} = { value => $self->{option_results}->{command}, type => 'OCTETSTR' };
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}
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if (!defined($options{result}->{$oid_nsExtendArgs . '.' . $options{instance}}) ||
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$options{result}->{$oid_nsExtendArgs . '.' . $options{instance}} ne $self->{option_results}->{args}) {
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$oids2set->{$oid_nsExtendArgs . '.' . $options{instance}} = { value => $self->{option_results}->{args}, type => 'OCTETSTR' };
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}
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if (!defined($options{result}->{$oid_nsExtendExecType . '.' . $options{instance}}) ||
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$options{result}->{$oid_nsExtendExecType . '.' . $options{instance}} ne $shell) {
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$oids2set->{$oid_nsExtendExecType . '.' . $options{instance}} = { value => $shell, type => 'INTEGER' };
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}
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if (scalar(keys %$oids2set) > 0) {
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$self->{snmp}->set(oids => $oids2set);
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}
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}
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sub run {
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my ($self, %options) = @_;
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$self->{snmp} = $options{snmp};
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# snmpset -On -c test -v 2c localhost \
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# '.1.3.6.1.4.1.8072.1.3.2.2.1.21.4.104.102.101.102' = 4 \
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# '.1.3.6.1.4.1.8072.1.3.2.2.1.2.4.104.102.101.102' = /bin/echo \
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# '.1.3.6.1.4.1.8072.1.3.2.2.1.3.4.104.102.101.102' = 'myplop'
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#
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my $instance = $self->get_instance();
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$self->{snmp}->load(
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oids => [
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$oid_nsExtendArgs, $oid_nsExtendStatus,
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$oid_nsExtendCommand, $oid_nsExtendStorage, $oid_nsExtendExecType
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],
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instances => [$instance],
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instance_regexp => '^(.+)$'
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);
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my $result = $self->{snmp}->get_leef();
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if (!defined($result->{$oid_nsExtendCommand . '.' . $instance})) {
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$self->create_command(instance => $instance);
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} else {
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$self->update_command(result => $result, instance => $instance);
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}
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$result = $self->{snmp}->get_leef(
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oids => [
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$oid_nsExtendOutputFull . '.' . $instance,
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$oid_nsExtendResult . '.' . $instance
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],
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nothing_quit => 1
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);
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$self->{output}->output_add(
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severity => $self->{output}->get_litteral_status(status => $result->{$oid_nsExtendResult . '.' . $instance}),
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short_msg => $result->{$oid_nsExtendOutputFull . '.' . $instance}
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);
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$self->{output}->display(force_ignore_perfdata => 1);
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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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Execute command through SNMP.
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Some prerequisites:
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- 'net-snmp' and 'NET-SNMP-EXTEND-MIB' support ;
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- a write account.
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=over 8
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=item B<--label>
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Label which identify the command
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=item B<--command>
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Command executable.
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=item B<--args>
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Command arguments.
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=item B<--shell>
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Use a sub-shell to execute the command.
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=back
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=cut
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