116 lines
3.0 KiB
Perl
Executable File
116 lines
3.0 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# Copyright Jean-Samuel Reynaud <js.reynaud@free.fr>
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# Licensed under GPL v2
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#
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# We use this script to produce graph with munin for dns requests
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# This script must have his name start with bind_
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# bind_ : Global bind statistic
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# bind_test.com : Bind statistic for test.com zone
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#
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# "env.bind_stat_file" is the path to the bind statistic file
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# (/var/cache/bind/named.stats by default).
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#
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# "env.bind_rndc" is the path to the rndc tool
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# (/usr/sbin/rndc by default).
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#
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# Thanks for Benjamin Pineau for perl cleaning and correction in non root
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# running
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# Thanks to Immanuel Klinkenberg for adding config parameter by using munin config
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#
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# Magic markers
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#%# family=auto
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#%# capabilities=autoconf
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use strict;
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use warnings;
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# change those to reflect your bind configuration
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# stat file
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my $stat_file = # DB directory
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defined $ENV{'bind_stat_file'} ? $ENV{'bind_stat_file'} : '/var/cache/bind/named.stats';
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# rndc path
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my $rndc = # rndc path
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defined $ENV{'bind_rndc'} ? $ENV{'bind_rndc'} : '/usr/sbin/rndc';
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my $lst = { "success" => 1,
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"referral" => 1,
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"nxrrset" => 1,
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"nxdomain" => 1,
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"recursion" => 1,
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"failure" => 1};
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my $domain = $0;
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$domain =~ s/^.*bind_([\w\d\._\-]*)$/$1/;
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# Parse the statistic file
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sub parseFile {
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my $dom = shift @_;
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open(IN,"<$stat_file") or die "Can't open $stat_file : $!";
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while (<IN>) {
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chomp;
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my ($type,$count,$zone) = split(/ /,$_);
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$zone = defined($zone) ? $zone : "";
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if ($zone eq $dom) {
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if (defined $lst->{$type}) {
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# only keep the latest occurrence for each value
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$lst->{$type} = $count;
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}
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}
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}
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close(IN);
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printf "%s.value %u\n", $_, $lst->{$_} foreach (keys %$lst);
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}
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# Config mode
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if ( defined($ARGV[0]) && $ARGV[0] eq "config" ) {
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printf "graph_title Dns requests %s\n",($domain eq "" ? " all domains":$domain);
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printf "graph_vlabel requests/s\n";
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printf "graph_category dns\n";
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printf "graph_info This graph display dns requests for %s\n",($domain eq "" ? " all domains":$domain);
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printf "success.label Success\n";
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printf "success.type COUNTER\n";
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printf "referral.label Referral\n";
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printf "referral.type COUNTER\n";
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printf "nxrrset.label Nx RR set\n";
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printf "nxrrset.type COUNTER\n";
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printf "nxdomain.label NX domain\n";
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printf "nxdomain.type COUNTER\n";
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printf "recursion.label Recursion\n";
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printf "recursion.type COUNTER\n";
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printf "failure.label Failure\n";
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printf "failure.type COUNTER\n";
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exit 0;
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}
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if ( defined($ARGV[0]) && $ARGV[0] eq "autoconf" ) {
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if (! -f $stat_file) {
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printf "Unable to file bind stat file on %s",$stat_file;
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exit 0;
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}
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if (! -f $rndc) {
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printf "Unable to file rndc tool (configured : %s)",$rndc;
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exit 0;
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}
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exit 0;
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}
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# Remove old stat file
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unlink ($stat_file);
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# Ask to bind to build new one
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`$rndc stats`;
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# Parse the stat file and return result
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parseFile($domain);
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