tyler.durden
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centreon-plugins
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Add support for TCP socket for rrdcached

This commit is contained in:
Simon Bomm 2015-02-09 16:55:51 +01:00
parent ec82f23594
commit be7c841660
1 changed files with 103 additions and 43 deletions
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146
apps/rrdcached/mode/stats.pm
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@ -39,7 +39,7 @@ use base qw(centreon::plugins::mode);
use strict;
use warnings;
use IO::Socket::UNIX;
use IO::Socket;
sub new {
my ($class, %options) = @_;
@ -49,10 +49,15 @@ sub new {
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"socket-path:s" => { name => 'socket_path', default => '/var/rrdtool/rrdcached/rrdcached.sock' },
"warning:s" => { name => 'warning', default => '3000' },
"critical:s" => { name => 'critical', default => '5000' },
"timeout:s" => { name => 'timeout', default => '10' },
"host:s" => { name => 'host', default => '127.0.0.1' },
"port:s" => { name => 'port', default => '42217' },
"unix-socket-path:s" => { name => 'unix_socket_path', default => '/var/rrdtool/rrdcached/rrdcached.sock' },
"warning-update:s" => { name => 'warning_update', default => '3000' },
"critical-update:s" => { name => 'critical_update', default => '5000' },
"warning-queue:s" => { name => 'warning_queue', default => '70' },
"critical-queue:s" => { name => 'critical_queue', default => '100' },
"tcp" => { name => 'tcp' },
"unix" => { name => 'unix' },
});
return $self;
}
@ -61,15 +66,30 @@ sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{warning} . "'.");
if (($self->{perfdata}->threshold_validate(label => 'warning-update', value => $self->{option_results}->{warning_update})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-update threshold '" . $self->{warning} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
if (($self->{perfdata}->threshold_validate(label => 'critical-update', value => $self->{option_results}->{critical_update})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{critical} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warning-queue', value => $self->{option_results}->{warning_queue})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-queue threshold '" . $self->{warning} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-queue', value => $self->{option_results}->{critical_queue})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical-queue threshold '" . $self->{critical} . "'.");
$self->{output}->option_exit();
}
if ((defined($self->{option_results}->{tcp})) && (!defined($self->{option_results}->{host}) || !defined($self->{option_results}->{port}))) {
$self->{output}->add_option_msg(short_msg => "Please define host and port options when __tcp option is used");
$self->{output}->option_exit();
}
if ((defined($self->{option_results}->{unix})) && (!defined($self->{option_results}->{unix_socket_path}))) {
$self->{output}->add_option_msg(short_msg => "Please define host and port option when --unix option is used");
$self->{output}->option_exit();
}
}
sub run {
@ -77,19 +97,32 @@ sub run {
my $data;
my @stat;
my @tab;
my $queueLenght;
my $SOCK_PATH = $self->{option_results}->{socket_path};
if (-S $SOCK_PATH) {
my $queueLenght;
my $socket;
my $socket = IO::Socket::UNIX->new(
Type => SOCK_STREAM(),
Peer => $SOCK_PATH,
);
if (defined($self->{option_results}->{tcp})) {
$socket = IO::Socket::INET->new(
PeerHost => $self->{option_results}->{host},
PeerPort => $self->{option_results}->{port},
Proto => 'tcp',
);
} else {
my $SOCK_PATH = $self->{option_results}->{unix_socket_path};
$socket = IO::Socket::UNIX->new(
Type => SOCK_STREAM(),
Peer => $SOCK_PATH,
);
}
if (!defined($socket)) {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => "Can't connect to socket, is rrdcached running ? is your socket path/address:port correct ?");
$self->{output}->display();
$self->{output}->exit();
} else {
$socket->send("STATS\n");
while ($data = <$socket>) {
if ($data =~ /(\d+) Statistics follow/) {
my $stats_number = $1;
@ -100,7 +133,7 @@ sub run {
$self->{output}->exit();
}
}
next if $data !~ m/(^UpdatesR|Data)/;
next if $data !~ m/(^UpdatesR|Data|Queue)/;
push @tab,$data;
$socket->send("QUIT\n");
}
@ -108,18 +141,28 @@ sub run {
close($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, $value));
my ($key, $value) = split (/:\s*/, $line,2);
push @stat, $value;
$self->{output}->output_add(long_msg => sprintf("%s = %i", $key, $value));
}
my $updatesNotWritten = $stat[0] - $stat[1];
my $exit = $self->{perfdata}->threshold_check(value => $updatesNotWritten, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("RRDCached has %i updates waiting", $updatesNotWritten));
chomp($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 ]);
$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'),
@ -128,14 +171,7 @@ sub run {
$self->{output}->display();
$self->{output}->exit();
} else {
$self->{output}->output_add(severity => 'CRITICAL',
short_msg => "Can't connect to socket, is rrdcached running ? is your socket path correct ?");
$self->{output}->display();
$self->{output}->exit();
}
}
1;
@ -148,17 +184,41 @@ Check Updates cache of rrdcached daemon (compute delta between UpdatesReceived a
=over 8
=item B<--warning>
=item B<--tcp>
Warning number of cached RRD updates (One update can include several values)
Specify this option if TCP socket is used
=item B<--critical>
=item B<--host>
Critical number of cached RRD updates (One update can include several values)
Host where the socket is (should be set if --tcp is used) (default: 127.0.0.1)
=item B<--port>
Port where the socket is listening (default: 42217)
=item B<--unix>
Specify this option if UNIX socket is used
=item B<--socket-path>
Path to the socket (default is /var/rrdtool/rrdcached/rrdcached.sock)
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
=back