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
104
105
|
#!@@PERL@@ -w
# -*- cperl -*-
=head1 NAME
haproxy_ - Graph stats from the haproxy daemon
=head1 APPLICABLE SYSTEMS
Any haproxy host
=head1 CONFIGURATION
This is a wildcard plugin to support fetching status from multiple
instances of haproxy that each need a distinct configurations, e.g.:
haproxy_backend
and
haproxy_frontend
Each with a separate configuration. The following example shows the
default URL used by the plugin for the imaginary backend:
[haproxy_backend]
env.url http://localhost/haproxy-status;csv;norefresh
If you need authenticated access to the URL you can specify the
username and password in the URL. For example:
[haproxy_backend]
env.url http://munin:spamalot@localhost/haproxy-status;csv;norefresh
This will provide for HTTP basic authentication.
=head1 MAGIC MARKERS
#%# family=contrib
=head1 AUTHOR
Jimmy Olsen (based on some Apache plugin). Documented by Nicolai Langfeldt.
=head1 LICENSE
GPLv2
=cut
use Munin::Plugin;
my $ret = undef;
if (! eval "require LWP::UserAgent;")
{
$ret = "LWP::UserAgent not found";
}
my $URL = exists $ENV{'url'} ? $ENV{'url'} : "http://localhost/haproxy-status;csv;norefresh";
my $ua = LWP::UserAgent->new(timeout => 30,
agent => sprintf("munin/%s (libwww-perl/%s)", $Munin::Common::Defaults::MUNIN_VERSION, $LWP::VERSION));
my $url = $URL;
my $response = $ua->request(HTTP::Request->new('GET',$url));
my $content = $response->content;
my %backends = ();
if ( exists $ARGV[0] and $ARGV[0] eq "config" )
{
my $clusterid = "unknown cluster";
if ($content =~ /\n([^,]+),FRONTEND/) {
$clusterid = $1;
}
print "graph_title HAProxy statistics for $clusterid\n";
print "graph_args --base 1000 -l 0\n";
print "graph_vlabel connections per \${graph_period}\n";
print "graph_category haproxy\n";
while ($content =~ /\n([^,]+),([^,]+),[^,]+,[^,]+,[^,]+,[^,]+,[^,]*,([^,]+),[^,]+,[^,]+,[^,]*,[^,]+,/g) {
next if $2 eq "BACKEND";
my $field_name = clean_fieldname($2);
next if defined $backends{$field_name};
$backends{$field_name} = 1;
print "s$field_name.label ", $2, "\n";
print "s$field_name.type DERIVE\n";
print "s$field_name.min 0\n";
print "s$field_name.draw AREASTACK\n";
}
exit 0;
}
while ($content =~ /\n([^,]+),([^,]+),[^,]+,[^,]+,[^,]+,[^,]+,[^,]*,([^,]+),[^,]+,[^,]+,[^,]*,[^,]+,/g) {
next if $2 eq "BACKEND";
my $field_name = clean_fieldname($2);
if (defined ($field_name)) {
$backends{$field_name} += $3;
} else {
$backends{$field_name} = $3;
}
}
foreach my $be (keys %backends) {
print "s$be.value ", $backends{$be}, "\n";
}
# vim:syntax=perl
|
