root / plugins / sensors / temperatures @ e5ce7492
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| 1 | d3ae4577 | Lars Strand | #!/usr/bin/perl -w |
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| 2 | # |
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| 3 | # Copyright (C) 2006 Lars Strand |
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| 4 | # |
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| 5 | # Plugin to fetch temperature from weather.noaa.gov |
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| 6 | # |
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| 7 | # Parameters supported: |
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| 8 | # |
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| 9 | # config |
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| 10 | # autoconf |
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| 11 | # |
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| 12 | # Magic markers: |
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| 13 | #%# family=auto |
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| 14 | #%# capabilities=autoconf |
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| 15 | |||
| 16 | use strict; |
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| 17 | |||
| 18 | # Find areacodes here http://weather.noaa.gov/ |
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| 19 | my @wcode = undef; |
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| 20 | |||
| 21 | if (defined($ENV{wcode})) {
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| 22 | @wcode = split(' ', $ENV{wcode});
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| 23 | } else {
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| 24 | @wcode = ("ENGM", "ENBR", "ENVA", "ENTC");
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| 25 | } |
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| 26 | |||
| 27 | my $unit = $ENV{unit} || "C"; # "C" = Celsius, "F" = Fahrenheit
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| 28 | my $proxy = $ENV{proxy} || undef; # Example: "http://proxy.foo.bar:8080/"
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| 29 | |||
| 30 | my $ret = undef; |
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| 31 | if (! eval "require LWP::UserAgent;") |
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| 32 | {
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| 33 | $ret = "LWP::UserAgent not found"; |
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| 34 | } |
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| 35 | |||
| 36 | if (defined $ARGV[0] and $ARGV[0] eq "autoconf") {
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| 37 | if (defined $ret) {
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| 38 | print "no ($ret)\n"; |
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| 39 | exit 1; |
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| 40 | } else {
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| 41 | print "yes\n"; |
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| 42 | exit 0; |
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| 43 | } |
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| 44 | } |
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| 45 | |||
| 46 | my $datasource = "http://weather.noaa.gov/pub/data/observations/metar/decoded/"; |
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| 47 | |||
| 48 | my $ua = LWP::UserAgent->new(timeout => 30); |
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| 49 | $ua->agent('Munin');
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| 50 | |||
| 51 | # Use proxy, if defined. |
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| 52 | if (defined($proxy)) {
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| 53 | $ua->proxy(['http'], $proxy); |
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| 54 | } |
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| 55 | |||
| 56 | if (defined $ARGV[0] and $ARGV[0] eq "config") {
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| 57 | |||
| 58 | print "graph_title Outside temperature\n"; |
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| 59 | print "graph_args --base 1000 -l 0\n"; |
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| 60 | print "graph_category sensors\n"; |
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| 61 | print "graph_info This graph shows temperatures fetched from weather.nooa.gov.\n"; |
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| 62 | |||
| 63 | if ($unit =~ /F/) {
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| 64 | print "graph_vlabel temp in F\n"; |
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| 65 | } else {
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| 66 | print "graph_vlabel temp in C\n"; |
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| 67 | } |
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| 68 | |||
| 69 | for my $station (@wcode) {
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| 70 | my $url = "$datasource$station.TXT"; |
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| 71 | my $response = $ua->request(HTTP::Request->new('GET',$url));
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| 72 | # New York City, Central Park, NY, United States (KNYC) 40-47-00N 073-58-00W 48M |
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| 73 | if ($response->content =~ /^((.*?),.*\)).*\n/) {
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| 74 | print "$station.label $2\n"; |
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| 75 | print "$station.info $1\n"; |
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| 76 | } else {
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| 77 | print "$station.label $station\n"; |
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| 78 | } |
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| 79 | } |
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| 80 | exit 0; |
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| 81 | } |
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| 82 | |||
| 83 | for my $station (@wcode) {
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| 84 | my $url = "$datasource$station.TXT"; |
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| 85 | my $response = $ua->request(HTTP::Request->new('GET',$url));
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| 86 | |||
| 87 | if ($response->content =~ /Temperature:\s*(.*)\s+F\s*\(\s*(.*)\s+C/) {
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| 88 | if ($unit =~ /F/) {
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| 89 | print "$station.value $1\n"; |
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| 90 | } else {
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| 91 | print "$station.value $2\n"; |
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| 92 | } |
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| 93 | } else {
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| 94 | print "$station.value U\n"; |
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| 95 | } |
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| 96 | } |