munin-plugin


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#!/usr/bin/perl
#
# Generate list of nodes to load from /etc/munin/munin.conf to check
# all the machines reporting to sitesummary.

use strict;
use warnings;

use SiteSummary;

my %sitelabels;

if (!defined $ARGV[0]) {
    for_all_hosts(\&handle_host);
    for my $sitelabel (sort keys %sitelabels) {
        print "$sitelabel.value ", $sitelabels{$sitelabel}, "\n";
    }
} elsif ($ARGV[0] eq "config") {
    for_all_hosts(\&handle_host);
    print "graph_title SiteSummary History\n";
    print "graph_order " . join(" ", sort keys %sitelabels), "\n";
    print "graph_vlabel count\n";
    print "graph_scale yes\n";
    print "graph_height 400\n";
    print "graph_category SiteSummary\n";

    my $first = 1;
    for my $sitelabel (sort keys %sitelabels) {
        print "$sitelabel.label $sitelabel\n";
        if ($first) {
            print "$sitelabel.draw AREA\n"
        } else {
            print "$sitelabel.draw STACK\n"
        }
        $first = 0;
    }
} elsif ($ARGV[0] eq "autoconf") {
    # This module is only available when the sitesummary collector is
    # installed too, thus we always answer yes.
    print "yes\n";
    exit 0;
}

sub handle_host {
    my $hostid = shift;
    for my $site (get_site($hostid)) {
        $site = "NoSite" unless defined $site;
        $site =~ s/[^a-zA-Z_]/_/g;
        $sitelabels{$site}++;
    }
}

exit 0;