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Diffstat (limited to 'files/munin/tor_connections')
| -rwxr-xr-x | files/munin/tor_connections | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/files/munin/tor_connections b/files/munin/tor_connections new file mode 100755 index 0000000..c1d0a92 --- /dev/null +++ b/files/munin/tor_connections @@ -0,0 +1,162 @@ +#!/usr/bin/perl -w +# +# Munin plugin to monitor Tor +# +# Author: Ge van Geldorp <ge@gse.nl> +# +# Parameters understood: +# +# host - Change which host to graph (default localhost) +# port - Change which port to connect to (default 9051) +# password - Plain-text control channel password (see torrc +# HashedControlPassword parameter) +# cookiefile - Name of the file containing the control channel cookie +# (see torrc CookieAuthentication parameter) +# +# Using HashedControlPassword authentication has the problem that you must +# include the plain-text password in the munin config file. To have any +# effect, that file shouldn't be world-readable. +# If you're using CookieAuthentication, you should run this plugin as a user +# which has read access to the tor datafiles. Also note that bugs in versions +# upto and including 0.1.1.20 prevent CookieAuthentication from working. +# +# Usage: place in /etc/munin/node.d/ (or link it there using ln -s) +# +# Parameters understood: +# config (required) +# autoconf (optional - used by munin-config) +# +# +# Magic markers - optional - used by installation scripts and +# munin-config: +# +#%# family=contrib +#%# capabilities=autoconf + +use strict; +use IO::Socket::INET; + +# Config +our $address = $ENV{host} || "localhost"; # Default: localhost +our $port = $ENV{port} || 9051; # Default: 9051 + +# Don't edit below this line + +sub Authenticate +{ + my ($socket) = @_; + my $authline = "AUTHENTICATE"; + if (defined($ENV{cookiefile})) { + if (open(COOKIE, "<$ENV{cookiefile}")) { + binmode COOKIE; + my $cookie; + $authline .= " "; + while (read(COOKIE, $cookie, 32)) { + foreach my $byte (unpack "C*", $cookie) { + $authline .= sprintf "%02x", $byte; + } + } + close COOKIE; + } + } elsif (defined($ENV{password})) { + $authline .= ' "' . $ENV{password} . '"'; + } + print $socket "$authline\r\n"; + my $replyline = <$socket>; + if (substr($replyline, 0, 1) != '2') { + $replyline =~ s/\s*$//; + return "Failed to authenticate: $replyline"; + } + + return; +} + +if ($ARGV[0] and $ARGV[0] eq "autoconf") { + # Try to connect to the daemon + my $socket = IO::Socket::INET->new("$address:$port") + or my $failed = 1; + + if ($failed) { + print "no (failed to connect to $address port $port)\n"; + exit 1; + } + + my $msg = Authenticate($socket); + if (defined($msg)) { + print $socket "QUIT\r\n"; + close($socket); + print "no ($msg)\n"; + exit 1; + } + + print $socket "QUIT\r\n"; + close($socket); + print "yes\n"; + exit 0; +} + +my %connections = ("new", 0, + "launched", 0, + "connected", 0, + "failed", 0, + "closed", 0); + +if ($ARGV[0] and $ARGV[0] eq "config") { + print "graph_title Connections\n"; + print "graph_args -l 0 --base 1000\n"; + print "graph_vlabel connections\n"; + print "graph_category Tor\n"; + print "graph_period second\n"; + print "graph_info This graph shows the number of Tor OR connections.\n"; + + foreach my $status (keys %connections) { + print "$status.label $status\n"; + print "$status.type GAUGE\n"; + print "$status.max 50000\n"; + print "$status.min 0\n"; + } + + exit 0; +} + +my $socket = IO::Socket::INET->new("$address:$port") + or die("Couldn't connect to $address port $port: $!"); + +my $msg = Authenticate($socket); +if (defined($msg)) { + print $socket "QUIT\r\n"; + close($socket); + die "$msg\n"; +} + +print $socket "GETINFO orconn-status\r\n"; +my $replyline = <$socket>; +if (substr($replyline, 0, 1) != '2') { + print $socket "QUIT\r\n"; + close($socket); + $replyline =~ s/\s*$//; + die "Failed to get orconn-status info: $replyline\n"; +} + +while (! (($replyline = <$socket>) =~ /^\.\s*$/)) { + my @reply = split(/\s+/, $replyline); + $connections{lc($reply[1])}++; +} +$replyline = <$socket>; +if (substr($replyline, 0, 1) != '2') { + print $socket "QUIT\r\n"; + close($socket); + $replyline =~ s/\s*$//; + die "Failed to authenticate: $replyline\n"; +} + +print $socket "QUIT\r\n"; +close($socket); + +while (my ($status, $count) = each(%connections)) { + print "$status.value $count\n"; +} + +exit 0; + +# vim:syntax=perl |