mirror of
https://github.com/munin-monitoring/contrib.git
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72 lines
1.9 KiB
Plaintext
72 lines
1.9 KiB
Plaintext
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#!/usr/bin/perl -w
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#
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# Copyright (C) Viktoras Pecia 2010(Based on 2006 Lars Strand "temperatures" code)
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#
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# Plugin to fetch humidity from weather.noaa.gov
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#
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# Parameters supported:
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#
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# config
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# autoconf
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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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my @wcode = undef;
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if (defined($ENV{wcode})) {
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@wcode = split(' ', $ENV{wcode});
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} else {
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@wcode = ("EYSA","EYKA","EYPA","EYVI");
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}
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my $proxy = $ENV{proxy} || undef; # Example: "http://proxy.foo.bar:8080/"
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my $ret = undef;
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if (! eval "require LWP::UserAgent;")
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{
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$ret = "LWP::UserAgent not found";
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}
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if (defined $ARGV[0] and $ARGV[0] eq "autoconf") {
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if (defined $ret) {
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print "no ($ret)\n";
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exit 1;
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} else {
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print "yes\n";
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exit 0;
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}
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}
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my $datasource = "http://weather.noaa.gov/pub/data/observations/metar/decoded/";
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my $ua = LWP::UserAgent->new(timeout => 30);
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$ua->agent('Munin');
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# Use proxy, if defined.
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if (defined($proxy)) {
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$ua->proxy(['http'], $proxy);
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}
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if (defined $ARGV[0] and $ARGV[0] eq "config") {
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print "graph_title Humidity\n";
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print "graph_args --base 1000 -l 0\n";
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print "graph_category sensors\n";
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print "graph_info This graph shows humidity fetched from weather.nooa.gov.\n";
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print "graph_vlabel humidity in %\n";
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for my $station (@wcode) {
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my $url = "$datasource$station.TXT";
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my $response = $ua->request(HTTP::Request->new('GET',$url));
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# New York City, Central Park, NY, United States (KNYC) 40-47-00N 073-58-00W 48M
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if ($response->content =~ /^((.*?),.*\)).*\n/) {
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print "$station.label $2\n";
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print "$station.info $1\n";
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} else {
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print "$station.label $station\n";
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}
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}
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}
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for my $station (@wcode) {
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my $url = "$datasource$station.TXT";
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my $response = $ua->request(HTTP::Request->new('GET',$url));
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if ($response->content =~ /Relative Humidity:\s*(\d+)\%.*/) {
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print "$station.value $1\n";
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} else {
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print "$station.value U\n";
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}
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}
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