100 lines
2.1 KiB
Plaintext
100 lines
2.1 KiB
Plaintext
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#!/usr/bin/perl -w
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# Author: William Viker <william.viker@gmail.com>
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# Version: 0.1
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# Non-members may check out a read-only working copy anonymously over HTTP.
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# $ svn checkout http://wfrogmunin.googlecode.com/svn/trunk/ wfrogmunin-read-only
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# TODO:
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# * Wait a couple of hours to see if this actually works.
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# * Add proper data labels for the different values possible
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# * more..
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use strict;
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use Data::Dumper;
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# INSTRUCTIONS
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#
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# 1. Install wfrog, get it up running with your weather station
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# 2. Locate your wfrog.csv file (wfrog creates after 10 mins)
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# 3. cd /etc/munin/plugins/
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# 4. ln -s /usr/share/munin/plugins/wfrog wfrog_temp
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# 4. ln -s /usr/share/munin/plugins/wfrog wfrog_pressure
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# 5. etc..
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# 6. reload munin-node ;-)
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# In case you need to change this.
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my %CONFIG = (
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'wfrogcsv' => '/var/lib/wfrog/wfrog.csv',
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);
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my $interesting;
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if ($0 =~ m#wfrog_(\w+)#) {
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$interesting = $1;
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}
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else {
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print STDERR "Symlink the wfrog plugin file to wfrog_something, like wfrog_temperature, etc." . "\n";
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exit 1;
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}
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if (defined $ARGV[0] && $ARGV[0] eq 'autoconf') {
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print "yes\n";
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exit 0;
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}
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open FILE, "<", $CONFIG{'wfrogcsv'};
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my $header = <FILE>;
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seek( FILE, -300, 2 );
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my @line = readline FILE;
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$header =~ s/[\r\n]//gs; # bah @ csv
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$line[-1] =~ s/[\r\n]//gs; # --- " ---
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my @Data = split /,/, $line[-1];
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my @Keys = split /,/, $header;
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my $GotKeyName;
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my $GotKeyData;
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my $cpos = 0;
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for (@Keys) {
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if ($_ eq $interesting) {
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$GotKeyName = $_;
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if (defined $Data[$cpos]) {
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$GotKeyData = $Data[$cpos];
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}
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}
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$cpos++;
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}
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unless (defined $GotKeyName) {
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print STDERR "Could not find any data on '$interesting'. Does the file contain any data?\n";
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exit 1;
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}
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my $graph_name = $GotKeyName;
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$graph_name =~ s/[^a-z]//gi;
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if (defined $ARGV[0] && $ARGV[0] eq 'config') {
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print "graph_title WFrog $GotKeyName\n"
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. "graph_args --base 1000 -l 0\n"
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. "graph_vlabel Value\n"
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. "graph_scale yes\n"
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. "graph_category sensors\n"
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# . "graph_printf %3.0lf\n"
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. "$graph_name.label $GotKeyName\n"
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. "$graph_name.draw AREASTACK\n";
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exit 0;
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}
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print "$graph_name.value $GotKeyData\n";
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