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#!/usr/bin/perl
# denao - denao@uol.com.br - Systems Engineering
# Universo Online - http://www.uol.com.br
use DBI;
use Time::Local;
my $t_lambuja = 5; # (expire_minutes)
my $databasename = ""; # The name of nagios database (i.e.: nagios)
my $table = "programstatus";
my $where = "localhost"; # The machine where the database
my $port = "3306";
my $base = "DBI:mysql:$databasename:$where:$port";
my $user = ""; # the user to connect to the database
# (needs permission to "select at programstatus table only"
my $password = ""; # the password (if any)
my %results;
my @fields = qw( last_update );
my $dbh = DBI->connect($base,$user,$password);
my $fields = join(', ', @fields);
my $query = "SELECT $fields FROM $table";
my $sth = $dbh->prepare($query);
$sth->execute();
@results{@fields} = ();
$sth->bind_columns(map { \$results{$_} } @fields);
$sth->fetch();
$sth->finish();
$dbh->disconnect();
check_update();
sub check_update {
($yea,$mon,$day,$hou,$min,$sec)=($results{last_update}=~/(\d+)\-(\d+)\-(\d+)\s(\d+)\:(\d+)\:(\d+)/);
($sec_now, $min_now, $hou_now, $day_now, $mon_now, $yea_now) = (localtime(time))[0,1,2,3,4,5];
$mon_now+=1; $yea_now+=1900;
$unixdate=timelocal($sec,$min,$hou,$day,$mon,$yea);
$unixdate_now=timelocal($sec_now,$min_now,$hou_now,$day_now,$mon_now,$yea_now);
if (scalar($unixdate_now - $unixdate) > scalar($t_lambuja * 60)) {
print "Nagios problem: nagios is down, for at least " . scalar($t_lambuja) . " minutes.\n";
exit(1);
} else {
print "Nagios ok: status data updated " . scalar($unixdate_now - $unixdate) . " seconds ago\n";
exit(0);
}
}