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#!/usr/bin/env perl
use strict;
use warnings;
use Carp;
use Encode;
use LWP::UserAgent;
use JSON::XS;
use Getopt::Long;
use utf8;
binmode( STDOUT, ':utf8' );
my (
$help, $ssl, $user,
$pass, $host, $port,
$warn, $crit, $perf
);
GetOptions(
"h|help" => \$help,
's|ssl' => \$ssl,
'perf' => \$perf,
'H|host=s' => \$host,
'P|port=s' => \$port,
'u|user=s' => \$user,
'p|pass=s' => \$pass,
'w|warn=i' => \$warn,
'c|crit=i' => \$crit,
);
$help = 1 if !$host || !$warn || !$crit;
$help = 1 if ( $user && !$pass ) || ($pass && !$user);
if ($help) {
my $help_text = <<'END';
Usage: %s --ssl --host '127.0.0.1' --port 9000 --user USER --pass PASS -w 10 -c 1000
Check count of unprocessed messages in graylog queue.
END
printf( $help_text, $0 );
exit;
}
my $ua = LWP::UserAgent->new(
timeout => 10,
agent => 'Mozilla/5.0',
ssl_opts => { verify_hostname => 1 },
protocols_allowed => [ 'http', 'https' ]
);
my $schema = $ssl ? 'https' : 'http';
my $auth = "$user:$pass@" if $user && $pass;
my $url = "$schema://$auth$host:$port";
my $res = $ua->get( "$url/api/system/metrics/org.graylog2.journal.entries-uncommitted");
if (!$res->is_success) {
print 'UNKNOWN:' . $res->status_line . "\n" . $res->content . "\n";
exit 3;
}
my $data = JSON::XS->new->utf8->decode( $res->decoded_content);
my $msg = "OK: $data->{value} unprocessed messages";
my $exit = 0;
if ($data->{value} >= $crit) {
$msg = "CRIT: $data->{value} unprocessed messages";
$exit = 2;
} elsif ( $data->{value} >= $warn ){
$msg = "WARN: $data->{value} unprocessed messages";
$exit = 1;
}
print $msg;
print "|graylog_messages=$data->{value};$warn;$crit;0;0;" if $perf;
print "\n";
exit $exit;