| 1 | #!/usr/bin/perl |
| 2 | # |
| 3 | # Copyright Jean-Samuel Reynaud <js.reynaud@free.fr> |
| 4 | # Licenced under GPL v2 |
| 5 | # |
| 6 | # We use this script to produce graph with munin for dns requests |
| 7 | # |
| 8 | # Thanks for Benjamin Pineau for perl cleaning and correction in non root |
| 9 | # running |
| 10 | # |
| 11 | # modified for bind 9.5 by -thh 2009-04-15 |
| 12 | # |
| 13 | # Magic markers |
| 14 | #%# family=auto |
| 15 | #%# capabilities=autoconf |
| 16 | |
| 17 | use strict; |
| 18 | use warnings; |
| 19 | |
| 20 | # change those to reflect your bind configuration |
| 21 | # stat file |
| 22 | my $stat_file = "/var/log/named/stats"; |
| 23 | # rndc path |
| 24 | my $rndc = "/usr/sbin/rndc"; |
| 25 | |
| 26 | |
| 27 | |
| 28 | my $lst = { "success" => 1, |
| 29 | "referral" => 1, |
| 30 | "nxrrset" => 1, |
| 31 | "nxdomain" => 1, |
| 32 | "recursion" => 1, |
| 33 | "failure" => 1}; |
| 34 | |
| 35 | #my $domain = $0; |
| 36 | #$domain =~ s/^.*bind_([\w\d\._\-]*)$/$1/; |
| 37 | my $domain = ''; |
| 38 | |
| 39 | |
| 40 | # Parse the statistic file |
| 41 | sub parseFile { |
| 42 | my $dom = shift @_; |
| 43 | open(IN,"<$stat_file") or die "Can't open $stat_file : $!"; |
| 44 | |
| 45 | while (<IN>) { |
| 46 | chomp; |
| 47 | s/^ *//; |
| 48 | my ($count,@type) = split(/ /,$_); |
| 49 | my $type = join(' ',@type); |
| 50 | #$zone = defined($zone) ? $zone : ""; |
| 51 | #if ($zone eq $dom) { |
| 52 | # if (defined $lst->{$type}) { |
| 53 | # # only keep the latest occurence for each value |
| 54 | # $lst->{$type} = $count; |
| 55 | # } |
| 56 | # |
| 57 | #} |
| 58 | if ($type=~/successful answer/) { |
| 59 | $lst->{'success'} = $count; |
| 60 | } elsif ($type=~/FIXME/) { |
| 61 | $lst->{'referral'} = $count; |
| 62 | } elsif ($type=~/nxrrset/) { |
| 63 | $lst->{'nxrrset'} = $count; |
| 64 | } elsif ($type=~/resulted in NXDOMAIN/i) { |
| 65 | $lst->{'nxdomain'} = $count; |
| 66 | } elsif ($type=~/recursion/) { |
| 67 | $lst->{'recursion'} = $count; |
| 68 | } elsif ($type=~/failures/) { |
| 69 | $lst->{'failure'} = $count; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | close(IN); |
| 74 | printf "%s.value %u\n", $_, $lst->{$_} foreach (keys %$lst); |
| 75 | } |
| 76 | |
| 77 | |
| 78 | |
| 79 | # Config mode |
| 80 | if ( defined($ARGV[0]) && $ARGV[0] eq "config" ) { |
| 81 | printf "graph_title Dns requests %s\n",($domain eq "" ? "all domains":$domain); |
| 82 | printf "graph_vlabel requests/s\n"; |
| 83 | printf "graph_category network\n"; |
| 84 | printf "graph_info This graph display dns requests for %s\n",($domain eq "" ? "all domains":$domain); |
| 85 | printf "success.label Success\n"; |
| 86 | printf "success.type COUNTER\n"; |
| 87 | |
| 88 | printf "referral.label Referral\n"; |
| 89 | printf "referral.type COUNTER\n"; |
| 90 | |
| 91 | printf "nxrrset.label Nx RR set\n"; |
| 92 | printf "nxrrset.type COUNTER\n"; |
| 93 | |
| 94 | printf "nxdomain.label NX domain\n"; |
| 95 | printf "nxdomain.type COUNTER\n"; |
| 96 | |
| 97 | printf "recursion.label Recursion\n"; |
| 98 | printf "recursion.type COUNTER\n"; |
| 99 | |
| 100 | printf "failure.label Failure\n"; |
| 101 | printf "failure.type COUNTER\n"; |
| 102 | |
| 103 | exit 0; |
| 104 | } |
| 105 | |
| 106 | if ( defined($ARGV[0]) && $ARGV[0] eq "autoconf" ) { |
| 107 | if (! -f $stat_file) { |
| 108 | printf "Unable to file bind stat file on %s",$stat_file; |
| 109 | exit 1; |
| 110 | } |
| 111 | if (! -f $rndc) { |
| 112 | printf "Unable to file rndc tool (configured : %s)",$rndc; |
| 113 | exit 1; |
| 114 | } |
| 115 | exit 0; |
| 116 | } |
| 117 | |
| 118 | # Remove old stat file |
| 119 | unlink ($stat_file); |
| 120 | # Ask to bind to build new one |
| 121 | `$rndc stats`; |
| 122 | # Parse the stat file and return result |
| 123 | parseFile($domain); |
| 124 | |