1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
#!/usr/bin/perl -w
#
# History:
# 2010-11-05 First release (v1)
#
# Comment: Please send bug fixes and enhancements to <rmichel@devnu11.net>
#
# check_ajp - nagios plugin for jboss monitoring
# Copyright (C) 2010 Michel Rode <rmichel@devnu11.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
# Usage: ./check_ajp --app ip.of.the.app [--port 8009 --warn 1 --crit 2 --timeout 5]
#
use warnings;
use strict;
use Getopt::Long;
use Socket;
use Time::HiRes 'time';
my $app = '';
my $port = '8009';
my $warntime = '1.5';
my $crittime = '3';
my $timeout = '10';
my ($iaddr, $paddr, $proto, $sock, $time1, $time2);
my $pong = 'null';
sub xdie{
my $msg = shift;
printf STDERR "Usage: check_ajp --app ip.of.the.app [--port 8009 --warn 1 --crit 2 --timeout 5]\n\n";
printf STDERR "ERROR: $msg\n";
exit 3;
}
GetOptions("app=s" => \$app, "port=s" => \$port, "warn=f" => \$warntime, "crit=f" => \$crittime, "timeout=f" => \$timeout);
my $ping = pack 'C5' # Format template.
, 0x12, 0x34 # Magic number for server->container packets.
, 0x00, 0x01 # 2 byte int length of payload.
, 0x0A # Type of packet. 10 = CPing.
;
my $expected = pack 'C5' # Format template.
, 0x41, 0x42 # Magic number for container->server packets.
, 0x00, 0x01 # 2 byte int length of payload.
, 0x09 # Type of packet. 9 = CPong reply.
;
$iaddr = inet_aton($app) || xdie("No host given !");
$paddr = sockaddr_in($port, $iaddr) || xdie("Wrong port !");
$proto = getprotobyname 'tcp';
$time1 = time();
eval {
local $SIG{ALRM} = sub { die "alarm\n" };
alarm($timeout);
socket $sock, PF_INET, SOCK_STREAM, $proto || xdie("socket !");
connect $sock, $paddr || xdie("connect !");
syswrite $sock, $ping || xdie("syswrite !");
sysread $sock, $pong, 5 || xdie("sysread !");
alarm(0);
};
if ($@) {
die unless $@ eq "alarm\n";
$time2 = (time() - $time1);
printf "CRITICAL - AJP - Timeout after %1.0fs\n",$time2;
exit 2;
} else {
$time2 = (time() - $time1);
if ($pong eq $expected) {
if ($time2 >= $crittime) {
printf "CRITICAL - AJP - %3.5f seconds response time|time=%3.6fs;;;0.000000;%2.6f\n",$time2,$time2,$timeout;
exit 2;
} elsif ($time2 >= $warntime) {
printf "WARNING - AJP - %3.5f seconds response time|time=%3.6fs;;;0.000000;%2.6f\n",$time2,$time2,$timeout;
exit 1;
} else {
printf "OK - AJP - %3.5f seconds response time|time=%3.6fs;;;0.000000;%2.6f\n",$time2,$time2,$timeout;
exit 0;
}
} else {
printf "UNKNOWN - AJP - %3.5f seconds response time|time=%3.6fs;;;0.000000;%2.6f\n",$time2,$time2,$timeout;
exit 3;
}
}
|
