uptime

#!/usr/bin/perl

=head1 NAME

uptime - Plugin to measure uptime on solaris

=head1 CONFIGURATION

No configuration

=head1 AUTHOR

Adam J. Baker (adam@unb.ca)

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

 #%# family=auto
 #%# capabilities=autoconf

=cut

use strict;
use Munin::Plugin;

my $KSTAT = '/usr/bin/kstat -p';
my $STATISTIC = 'unix:0:system_misc:boot_time';

if ($ARGV[0] eq 'autoconf') {
        print "yes\n";
} elsif ($ARGV[0] eq 'config') {
        print "graph_title Uptime\n";
        print "graph_args --base 1000 -l 0 \n";
        print "graph_scale no\n";
        print "graph_category system\n";
        print "graph_vlabel uptime in days\n";
        print "uptime.label uptime\n";
        print "uptime.draw AREA\n";
        print_thresholds("uptime");
} else {
        my $uptime = `$KSTAT $STATISTIC`;

        $uptime =~ m/^$STATISTIC\s*(\d*)$/;

        # uptime in days
        printf "uptime.value %0.2f\n", ((time() - $1) / (60 * 60 * 24));
}