Additional scripts for Zabbix agent on Linux to discover and monitor several services
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#!/usr/bin/perl -w
use strict;
use warnings;
use JSON;
use Getopt::Long;
use Data::Dumper;
use PMG::DBTools;
my $json = {
count_in => 0,
count_out => 0,
bytes_in => 0,
bytes_out => 0,
spam_in => 0,
spam_out => 0,
virus_in => 0,
virus_out => 0,
ptime_in => 0,
ptime_out => 0
};
my $pretty = 0;
my ($domain,$what) = undef;
my $timespan = 900;
my $spamthres = 5;
my $resp = undef;
GetOptions(
'domain=s' => \$domain,
'what=s' => \$what,
'timespan=i' => \$timespan,
'spamthres=i' => \$spamthres,
'pretty' => \$pretty
);
my $dbh = PMG::DBTools::open_ruledb;
my $since = time - $timespan;
my $query = "SELECT cstatistic.direction AS direction, cstatistic.bytes AS bytes, cstatistic.spamlevel AS spamlevel, " .
"cstatistic.virusinfo AS virus, cstatistic.ptime AS ptime, cstatistic.sender AS sender, creceivers.receiver " .
"AS receiver FROM cstatistic LEFT JOIN creceivers ON cstatistic.rid = creceivers.cstatistic_rid" .
" WHERE time > ?";
my $sth = $dbh->prepare($query);
$sth->execute($since);
while (my $res = $sth->fetchrow_hashref){
if (not $res->{direction}){
next if (defined $domain and $res->{sender} !~ m/.*\@$domain$/);
$json->{bytes_out} += $res->{bytes};
$json->{count_out} += 1;
$json->{ptime_out} += $res->{ptime};
$json->{spam_out} += 1 if ($res->{spamlevel} ge $spamthres);
$json->{virus_out} += 1 if (defined $res->{virus});
} else {
next if (defined $domain and $res->{receiver} !~ /.*\@$domain$/);
$json->{bytes_in} += $res->{bytes};
$json->{count_in} += 1;
$json->{ptime_in} += $res->{ptime};
$json->{spam_in} += 1 if ($res->{spamlevel} ge $spamthres);
$json->{virus_in} += 1 if (defined $res->{virus});
}
}
# Init to 0 if missing
$json->{$_} //= 0 foreach (qw/bytes_out count_out ptime_out spam_out virus_out
bytes_in count_in ptime_in spam_in virus_in/);
# Compute averages
$json->{ptime_in} = $json->{ptime_in} / $json->{count_in} / 1000 if ($json->{count_in} > 0);
$json->{ptime_out} = $json->{ptime_out} / $json->{count_out} / 1000 if ($json->{count_out} > 0);
# Now, only for general stats, count early rejects
if (not defined $domain){
$query = "SELECT SUM(rblcount) AS rbl, SUM(pregreetcount) AS pregreet FROM localstat WHERE mtime > ?";
$sth = $dbh->prepare($query);
$sth->execute($since);
my $res = $sth->fetchrow_hashref;
$json->{$_} = $res->{$_} foreach (qw/rbl pregreet/);
}
$json->{$_} //= 0 foreach (qw/rbl pregreet/);
if (defined $what and not defined $json->{$what}){
print 'ZBX_NOTSUPPORTED';
exit 0;
} elsif (defined $what){
$resp = $json->{$what}
} else {
$resp = $json;
}
$resp = (ref $resp eq 'HASH' or ref $resp eq 'ARRAY') ? to_json($resp, { pretty => $pretty }) : $resp;
print $resp . "\n";