199 lines
7.7 KiB
Perl
199 lines
7.7 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 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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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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{
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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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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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if (($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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}
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sub run {
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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 => $SOCK_PATH,
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);
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}
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if (!defined($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;
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$socket->send("QUIT\n");
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}
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close($socket);
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foreach my $line (@tab) {
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my ($key, $value) = split (/:\s*/, $line,2);
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push @stat, $value;
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$self->{output}->output_add(long_msg => sprintf("%s = %i", $key, $value));
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}
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chomp($stat[0]);
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my $updatesNotWritten = $stat[1] - $stat[2];
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my $exit1 = $self->{perfdata}->threshold_check(value => $updatesNotWritten, threshold => [ { label => 'critical-update', 'exit_litteral' => 'critical' }, { label => 'warning-update', exit_litteral => 'warning' } ]);
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my $exit2 = $self->{perfdata}->threshold_check(value => $stat[0], threshold => [ { label => 'critical-queue', 'exit_litteral' => 'critical' }, { label => 'warning-queue', exit_litteral => 'warning' } ]);
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my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2 ]);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("RRDCached has %i updates waiting and %i node(s) in queue", $updatesNotWritten, $stat[0]));
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$self->{output}->perfdata_add(label => 'QueueLenght', unit => 'nodes',
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value => $stat[0],
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
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min => 0);
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$self->{output}->perfdata_add(label => 'UpdatesWaiting', unit => 'updates',
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value => $updatesNotWritten,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
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min => 0);
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$self->{output}->display();
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$self->{output}->exit();
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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 Updates cache of rrdcached daemon (compute delta between UpdatesReceived and DataSetsWritten from the rrdcached socket STATS command)
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=over 8
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=item B<--tcp>
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Specify this option if TCP socket is used
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=item B<--host>
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Host where the socket is (should be set if --tcp is used) (default: 127.0.0.1)
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=item B<--port>
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Port where the socket is listening (default: 42217)
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=item B<--unix>
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Specify this option if UNIX socket is used
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=item B<--socket-path>
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Path to the socket (should be set if --unix is used) (default is /var/rrdtool/rrdcached/rrdcached.sock)
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=item B<--warning-update>
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Warning number of cached RRD updates (One update can include several values)
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=item B<--critical-update>
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Critical number of cached RRD updates (One update can include several values)
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=item B<--warning-queue>
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Warning number of nodes in rrdcached queue
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=item B<--critical-queue>
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Critical number of nodes in rrdcached queue
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=back
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=cut
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