enh(plugin): refactored the RRDcached plugin (#5025)
This commit is contained in:
omercier
GitHub
parent
30286395ab
commit
531ac59d6b
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@ -3,7 +3,7 @@
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"pkg_summary": "Centreon Plugin to check RRDCached related informations",
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"plugin_name": "centreon_rrdcached.pl",
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"files": [
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"centreon/plugins/script_simple.pm",
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"centreon/plugins/script_custom.pm",
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"apps/rrdcached/"
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]
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}
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}
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@ -0,0 +1,118 @@
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# Copyright 2024 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::rrdcached::custom::tcp;
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use strict;
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use warnings;
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use IO::Socket;
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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, $class;
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# Check if an output option is available
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if (!defined($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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# Check if options are available
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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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# Adding options legacy from appsmetrics.pm in single mode
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$options{options}->add_options(arguments => {
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'hostname:s' => { name => 'hostname', default => '127.0.0.1' },
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'port:s' => { name => 'port', default => 42217 },
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'timeout:s' => { name => 'timeout', default => 5 }
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});
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}
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# Adding Help structure to the object
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$options{options}->add_help(package => __PACKAGE__, sections => 'RRDCACHED TCP OPTIONS', once => 1);
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# Adding output structure to the object
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$self->{output} = $options{output};
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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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return 0;
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}
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sub connect {
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my ($self, %options) = @_;
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my $socket = IO::Socket::INET->new(
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PeerHost => $self->{option_results}->{hostname},
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PeerPort => $self->{option_results}->{port},
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Timeout => $self->{option_results}->{timeout},
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Proto => 'tcp',
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);
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return $socket;
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}
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1;
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__END__
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=head1 NAME
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TCP socket custom mode.
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=head1 SYNOPSIS
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RRDcached access via TCP socket.
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=head1 RRDCACHED TCP OPTIONS
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=over 8
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=item B<--hostname>
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Hostname to connect to.
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=item B<--port>
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TCP port (default: 42217)
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=item B<--timeout>
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Connection timeout.
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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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@ -0,0 +1,111 @@
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# Copyright 2024 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::rrdcached::custom::unix;
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use strict;
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use warnings;
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use IO::Socket;
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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, $class;
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# Check if an output option is available
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if (!defined($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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# Check if options are available
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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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$options{options}->add_options(arguments => {
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'socket-path:s' => { name => 'socket_path', default => '/var/rrdtool/rrdcached/rrdcached.sock' },
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'timeout:s' => { name => 'timeout', default => 5 }
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});
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}
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# Adding the custom mode's help to the object
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$options{options}->add_help(package => __PACKAGE__, sections => 'RRDCACHED UNIX SOCKET OPTIONS', once => 1);
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# Adding output structure to the object
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$self->{output} = $options{output};
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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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return 0;
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}
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sub connect {
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my ($self, %options) = @_;
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my $socket = IO::Socket::UNIX->new(
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Type => SOCK_STREAM(),
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Peer => $self->{option_results}->{socket_path},
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Timeout => $self->{option_results}->{timeout},
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);
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return $socket;
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}
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1;
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__END__
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=head1 NAME
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UNIX socket custom mode.
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=head1 SYNOPSIS
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RRDcached access via UNIX socket.
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=head1 RRDCACHED UNIX SOCKET OPTIONS
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=over 8
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=item B<--socket-path>
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Path to the UNIX socket (default is /var/rrdtool/rrdcached/rrdcached.sock).
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=item B<--timeout>
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Connection timeout.
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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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@ -0,0 +1,118 @@
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#
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# Copyright 2024 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::rrdcached::mode::ping;
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use strict;
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use warnings;
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use IO::Socket;
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use base qw(centreon::plugins::templates::counter);
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use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng);
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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, force_new_perfdata => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {});
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return $self;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{
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name => 'global',
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type => 0
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}
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];
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$self->{maps_counters}->{global} = [
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{
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label => 'response',
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type => 2,
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critical_default => '%{response} !~ /PONG/',
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set => {
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key_values => [ { name => 'response' } ],
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output_template => 'response: %s',
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closure_custom_threshold_check => \&catalog_status_threshold_ng
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}
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}
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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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my $ping_answered = 'no response';
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# open the socket of either type TCP/UNIX
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my $socket = $options{custom}->connect();
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# exit if we cannot connect/open it
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if (!defined($socket) or !$socket->connected()) {
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$self->{output}->output_add(severity => 'CRITICAL', short_msg => "Can't connect to socket, is rrdcached running ? is your socket path/address:port correct ?");
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$self->{output}->display();
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$self->{output}->exit();
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}
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# send the PING command and receive the response
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$socket->send("PING\n");
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SOCKETREAD:
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while (my $data = <$socket>) {
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chomp $data;
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# store the response
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$ping_answered = $data;
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$self->{output}->output_add(long_msg => sprintf("Received response - %s", $data));
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# only one line is expected so we can quit immediately
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$socket->send("QUIT\n");
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close($socket);
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# exit the while loop
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last SOCKETREAD;
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}
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$self->{global} = {
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response => $ping_answered
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};
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}
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1;
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__END__
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=head1 MODE
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Check if the RRDcached daemon is answering to the basic PING command.
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=item B<--warning-response>
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Define the conditions to match for the status to be WARNING. You can use the variable '%{response}'.
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=item B<--critical-response>
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Define the conditions to match for the status to be CRITICAL. You can use the variable '%{response}'.
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Default: '%{response} !~ /PONG/'.
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=over 8
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=back
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@ -20,131 +20,130 @@
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package apps::rrdcached::mode::stats;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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use IO::Socket;
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use base qw(centreon::plugins::templates::counter);
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
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bless $self, $class;
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$options{options}->add_options(arguments =>
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{
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"host:s" => { name => 'host', default => '127.0.0.1' },
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"port:s" => { name => 'port', default => '42217' },
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"unix-socket-path:s" => { name => 'unix_socket_path', default => '/var/rrdtool/rrdcached/rrdcached.sock' },
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"warning-update:s" => { name => 'warning_update', default => '3000' },
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"critical-update:s" => { name => 'critical_update', default => '5000' },
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"warning-queue:s" => { name => 'warning_queue', default => '70' },
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"critical-queue:s" => { name => 'critical_queue', default => '100' },
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"socket-type:s" => { name => 'socket_type', default => 'unix' },
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});
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$options{options}->add_options(arguments => {});
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return $self;
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}
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sub check_options {
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sub set_counters {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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if (($self->{perfdata}->threshold_validate(label => 'warning-update', value => $self->{option_results}->{warning_update})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-update threshold '" . $self->{warning} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-update', value => $self->{option_results}->{critical_update})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{critical} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'warning-queue', value => $self->{option_results}->{warning_queue})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-queue threshold '" . $self->{warning} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-queue', value => $self->{option_results}->{critical_queue})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-queue threshold '" . $self->{critical} . "'.");
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$self->{output}->option_exit();
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}
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$self->{maps_counters_type} = [
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{
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name => 'global',
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type => 0
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}
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];
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$self->{maps_counters}->{global} = [
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{
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label => 'queue-length',
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nlabel => 'rrdcached.queue-length',
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set => {
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key_values => [ { name => 'queue_length' } ],
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output_template => 'queue length: %s',
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perfdatas => [
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{
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template => '%d',
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min => 0
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}
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]
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}
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},
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{
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label => 'waiting-updates',
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nlabel => 'rrdcached.waiting-updates',
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set => {
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key_values => [ { name => 'waiting_updates' } ],
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output_template => 'waiting updates: %s',
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perfdatas => [
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{
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template => '%d',
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min => 0
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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 run {
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sub manage_selection {
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my ($self, %options) = @_;
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my $data;
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my @stat;
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my @tab;
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my $queueLenght;
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my $socket;
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if ($self->{option_results}->{socket_type} eq 'tcp') {
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$socket = IO::Socket::INET->new(
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PeerHost => $self->{option_results}->{host},
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PeerPort => $self->{option_results}->{port},
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Proto => 'tcp',
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);
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} else {
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my $SOCK_PATH = $self->{option_results}->{unix_socket_path};
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$socket = IO::Socket::UNIX->new(
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Type => SOCK_STREAM(),
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Peer => $SOCK_PATH,
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);
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my %raw_data;
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# open the socket of either type TCP/UNIX
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my $socket = $options{custom}->connect();
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# exit if we cannot connect/open it
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if (!defined($socket) or !$socket->connected()) {
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$self->{output}->output_add(severity => 'CRITICAL', short_msg => "Can't connect to socket, is RRDcached running
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? Is your socket path or address:port correct ?");
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$self->{output}->display();
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$self->{output}->exit();
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}
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if (!defined($socket)) {
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$self->{output}->output_add(severity => 'CRITICAL',
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short_msg => "Can't connect to socket, is rrdcached running ? is your socket path/address:port correct ?");
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$self->{output}->display();
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$self->{output}->exit();
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} else {
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$socket->send("STATS\n");
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while ($data = <$socket>) {
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if ($data =~ /(\d+) Statistics follow/) {
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my $stats_number = $1;
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if ($stats_number < 9) {
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$self->{output}->output_add(severity => 'UNKNOWN',
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short_msg => "Stats available are incomplete, check rrdcached daemon (try again if few moments)");
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$self->{output}->display();
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$self->{output}->exit();
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}
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}
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next if $data !~ m/(^UpdatesR|Data|Queue)/;
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push @tab,$data;
|
||||
$socket->send("QUIT\n");
|
||||
|
||||
}
|
||||
|
||||
close($socket);
|
||||
|
||||
foreach my $line (@tab) {
|
||||
my ($key, $value) = split (/:\s*/, $line,2);
|
||||
push @stat, $value;
|
||||
$self->{output}->output_add(long_msg => sprintf("%s = %i", $key, $value));
|
||||
# send the STATS command and receive the response
|
||||
$socket->send("STATS\n");
|
||||
SOCKETREAD:
|
||||
while ($data = <$socket>) {
|
||||
chomp $data;
|
||||
# there should be at least 9 statistics in the response
|
||||
if ($data =~ /(\d+) Statistics follow/) {
|
||||
my $stats_number = $1;
|
||||
if ($stats_number < 9) {
|
||||
$self->{output}->output_add(
|
||||
severity => 'UNKNOWN',
|
||||
short_msg => "The returned statistics are incomplete. Try again later or check that the service is up.");
|
||||
$self->{output}->display();
|
||||
$self->{output}->exit();
|
||||
}
|
||||
next SOCKETREAD;
|
||||
}
|
||||
chomp($stat[0]);
|
||||
my $updatesNotWritten = $stat[1] - $stat[2];
|
||||
|
||||
my $exit1 = $self->{perfdata}->threshold_check(value => $updatesNotWritten, threshold => [ { label => 'critical-update', 'exit_litteral' => 'critical' }, { label => 'warning-update', exit_litteral => 'warning' } ]);
|
||||
my $exit2 = $self->{perfdata}->threshold_check(value => $stat[0], threshold => [ { label => 'critical-queue', 'exit_litteral' => 'critical' }, { label => 'warning-queue', exit_litteral => 'warning' } ]);
|
||||
|
||||
my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2 ]);
|
||||
# parse the stats as "Key: value" lines
|
||||
if (my ($key, $value) = $data =~ m/^([^:]+):\s*([\d]+)$/) {
|
||||
$raw_data{$key} = $value;
|
||||
$self->{output}->output_add(long_msg => "Received data - $key: $value");
|
||||
} else {
|
||||
$self->{output}->output_add(long_msg => "Skipping data - $data");
|
||||
next SOCKETREAD;
|
||||
}
|
||||
# once all the expected data has been received, we can quit the command and close the socket
|
||||
if (defined($raw_data{QueueLength}) and defined($raw_data{UpdatesReceived}) and defined($raw_data{DataSetsWritten})) {
|
||||
$socket->send("QUIT\n");
|
||||
close($socket);
|
||||
last SOCKETREAD;
|
||||
}
|
||||
}
|
||||
|
||||
$self->{output}->output_add(severity => $exit,
|
||||
short_msg => sprintf("RRDCached has %i updates waiting and %i node(s) in queue", $updatesNotWritten, $stat[0]));
|
||||
|
||||
$self->{output}->perfdata_add(label => 'QueueLenght', unit => 'nodes',
|
||||
value => $stat[0],
|
||||
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
|
||||
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
|
||||
min => 0);
|
||||
|
||||
$self->{output}->perfdata_add(label => 'UpdatesWaiting', unit => 'updates',
|
||||
value => $updatesNotWritten,
|
||||
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
|
||||
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
|
||||
min => 0);
|
||||
|
||||
# just in case...
|
||||
if (!defined($raw_data{QueueLength}) or !defined($raw_data{UpdatesReceived}) or !defined($raw_data{DataSetsWritten})) {
|
||||
# all the data have not been gathered despite the socket's answer is finished
|
||||
close($socket) if $socket->connected();
|
||||
# exit with unknown status
|
||||
$self->{output}->output_add(severity => 'UNKNOWN', short_msg => "The returned statistics are incomplete. Try again later.");
|
||||
$self->{output}->display();
|
||||
$self->{output}->exit();
|
||||
}
|
||||
}
|
||||
# at this point, we should have the needed data, let's store it to our counter
|
||||
$self->{global} = {
|
||||
queue_length => $raw_data{QueueLength},
|
||||
waiting_updates => $raw_data{UpdatesReceived} - $raw_data{DataSetsWritten}
|
||||
};
|
||||
}
|
||||
|
||||
1;
|
||||
|
|
@ -153,46 +152,25 @@ __END__
|
|||
|
||||
=head1 MODE
|
||||
|
||||
Check Updates cache of rrdcached daemon (compute delta between UpdatesReceived and DataSetsWritten from the rrdcached socket STATS command)
|
||||
Check if the cache of RRDcached daemon's queue is too long or if it has too many updates waiting (difference between
|
||||
UpdatesReceived and DataSetsWritten from the rrdcached socket STATS command).
|
||||
|
||||
=over 8
|
||||
|
||||
=item B<--tcp>
|
||||
=item B<--warning-rrdcached-waiting-updates>
|
||||
|
||||
Specify this option if TCP socket is used
|
||||
Warning threshold for cached RRD updates (one update can include several values).
|
||||
|
||||
=item B<--host>
|
||||
=item B<--critical-rrdcached-waiting-updates>
|
||||
|
||||
Host where the socket is (should be set if --tcp is used) (default: 127.0.0.1)
|
||||
Critical threshold for cached RRD updates (one update can include several values).
|
||||
|
||||
=item B<--port>
|
||||
=item B<--warning-rrdcached-queue-length>
|
||||
|
||||
Port where the socket is listening (default: 42217)
|
||||
Warning threshold for the number of nodes currently enqueued in the update queue.
|
||||
|
||||
=item B<--unix>
|
||||
=item B<--critical-rrdcached-queue-length>
|
||||
|
||||
Specify this option if UNIX socket is used
|
||||
|
||||
=item B<--socket-path>
|
||||
|
||||
Path to the socket (should be set if --unix is used) (default is /var/rrdtool/rrdcached/rrdcached.sock)
|
||||
|
||||
=item B<--warning-update>
|
||||
|
||||
Warning number of cached RRD updates (One update can include several values)
|
||||
|
||||
=item B<--critical-update>
|
||||
|
||||
Critical number of cached RRD updates (One update can include several values)
|
||||
|
||||
=item B<--warning-queue>
|
||||
|
||||
Warning number of nodes in rrdcached queue
|
||||
|
||||
=item B<--critical-queue>
|
||||
|
||||
Critical number of nodes in rrdcached queue
|
||||
Critical threshold for the number of nodes currently enqueued in the update queue.
|
||||
|
||||
=back
|
||||
|
||||
=cut
|
||||
|
|
|
|||
|
|
@ -22,7 +22,7 @@ package apps::rrdcached::plugin;
|
|||
|
||||
use strict;
|
||||
use warnings;
|
||||
use base qw(centreon::plugins::script_simple);
|
||||
use base qw(centreon::plugins::script_custom);
|
||||
|
||||
sub new {
|
||||
my ($class, %options) = @_;
|
||||
|
|
@ -30,9 +30,13 @@ sub new {
|
|||
bless $self, $class;
|
||||
|
||||
$self->{version} = '0.1';
|
||||
%{$self->{modes}} = (
|
||||
$self->{modes} = {
|
||||
'stats' => 'apps::rrdcached::mode::stats',
|
||||
);
|
||||
'ping' => 'apps::rrdcached::mode::ping'
|
||||
};
|
||||
|
||||
$self->{custom_modes}->{tcp} = 'apps::rrdcached::custom::tcp';
|
||||
$self->{custom_modes}->{unix} = 'apps::rrdcached::custom::unix';
|
||||
|
||||
return $self;
|
||||
}
|
||||
|
|
@ -43,6 +47,6 @@ __END__
|
|||
|
||||
=head1 PLUGIN DESCRIPTION
|
||||
|
||||
Check RRDCached related informations
|
||||
Check RRDCached status and statistics.
|
||||
|
||||
=cut
|
||||
|
|
|
|||
|
|
@ -42,6 +42,7 @@ perfdata
|
|||
powershell
|
||||
proto
|
||||
queue-messages-inflighted
|
||||
RRDCached
|
||||
Sansymphony
|
||||
SNMP
|
||||
space-usage-prct
|
||||
|
|
|
|||
Loading…
Reference in New Issue