97 lines
2.2 KiB
Perl
Executable File
97 lines
2.2 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# Copyright (C) 2006 Lars Strand
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#
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# Plugin to fetch temperature from tgftp.nws.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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# Find areacodes here http://tgftp.nws.noaa.gov/
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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 = ("ENGM", "ENBR", "ENVA", "ENTC");
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}
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my $unit = $ENV{unit} || "C"; # "C" = Celsius, "F" = Fahrenheit
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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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} else {
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print "yes\n";
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}
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exit 0;
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}
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my $datasource = "http://tgftp.nws.noaa.gov/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 $ARGV[0] eq "config") {
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print "graph_title Outside temperature\n";
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print "graph_args --base 1000 -l 0\n";
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print "graph_category sensors\n";
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print "graph_info This graph shows temperatures fetched from weather.nooa.gov.\n";
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if ($unit =~ /F/) {
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print "graph_vlabel temp in F\n";
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} else {
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print "graph_vlabel temp in C\n";
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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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# 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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exit 0;
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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 =~ /Temperature:\s*(.*)\s+F\s*\(\s*(.*)\s+C/) {
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if ($unit =~ /F/) {
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print "$station.value $1\n";
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} else {
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print "$station.value $2\n";
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}
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} else {
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print "$station.value U\n";
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}
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}
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