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74 lines
2.0 KiB
Perl
74 lines
2.0 KiB
Perl
#!/usr/bin/perl -w
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# -*- perl -*-
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=head1 NAME
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fastd_peers_ - Plugin to monitor fastd peers
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=head1 CONFIGURATION
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Set user and group to have access to the socket
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Set path to socketfile if not /tmp/fastd.sock
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[fastd_peers_*]
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user fastd
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group fastd
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env.socketfile /tmp/fastd.sock
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=head1 USAGE
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Link this plugin to /etc/munin/plugins/
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After creating the links, restart munin-node. Don't forget to configure the plugin!
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=head1 AUTHORS
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Dominique Goersch <mail@dgoersch.info>
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Niklas Yann Wettengel <niyawe@niyawe.de>
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=head1 LICENSE
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GPLv2
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=head1 MAGIC MARKERS
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#%# family=manual
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=cut
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use strict;
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use warnings;
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use File::Basename;
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use IO::Socket::UNIX qw( SOCK_STREAM );
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use JSON;
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if ($ARGV[0] and $ARGV[0] eq "config") { #config graph
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print "graph_title fastd peers\n";
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print "graph_info This graph shows the peers of the fastd on this supernode\n";
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print "graph_args -l 0\n";
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print "graph_scale no\n";
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print "graph_vlabel peers count\n";
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print "graph_category fastd\n";
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print "peers.label peers\n";
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print "peers.draw AREA\n";
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exit 0;
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}
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my $statusfile = exists $ENV{'socketfile'} ? $ENV{'socketfile'} : "/tmp/fastd.sock"; #get path to socket from environment or use default
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my $socket = IO::Socket::UNIX->new(Type => SOCK_STREAM,Peer => $statusfile) #open socket
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or die("Can't connect to server: $!\n");
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my $fastdstatus = "";
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foreach my $line (<$socket>) {$fastdstatus .= $line;} #read contents from socket
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my $json = decode_json($fastdstatus); #decode json
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#my $fastd_peers = scalar(keys(%{$json->{peers}})); #get number of peers from json
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my $fastd_peers = 0;
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for my $key (keys(%{$json->{peers}})) {
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$fastd_peers = $fastd_peers + ($json->{peers}{$key}{connection}? 1 : 0);
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}
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print "peers.value $fastd_peers\n"; #return number of peers
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