1
Files
misc/muninweather
2016-09-03 22:38:52 +03:00

125 lines
3.5 KiB
Perl

#!/usr/bin/perl
use strict;
use warnings "all";
use bytes;
use XML::Simple;
#use Data::Dumper;
use POSIX qw(strftime);
use Fcntl;
my $tmpdir = '/tmp';
my $citiesfile = "$tmpdir/cities.xml";
my $outfile = "$tmpdir/munin_weather.txt";
my $date = strftime "%Y-%m-%d", localtime;
sub parsedata($); # give $filename, returns [pressure, humidity, temperature, geomag index]
sub getIdByCountryAndCity(@);
# get yandex data with city<->id stuff
unless(-f $citiesfile){
`curl -s -q -k --no-buffer --retry 3 --retry-delay 1 --connect-timeout 15 --tcp-nodelay 'https://pogoda.yandex.ru/static/cities.xml' >$citiesfile`;
unless($? == 0){
print "unable to download https://pogoda.yandex.ru/static/cities.xml";
unlink($citiesfile);
exit 1;
}
}
my %city;
$city{'msk'} = getIdByCountryAndCity('Россия', 'Москва');
$city{'spb'} = getIdByCountryAndCity('Россия', 'Санкт-Петербург');
$city{'nsk'} = getIdByCountryAndCity('Россия', 'Новосибирск');
$city{'ksk'} = getIdByCountryAndCity('Россия', 'Красноярск');
$city{'nnov'} = getIdByCountryAndCity('Россия', 'Нижний Новгород');
$city{'vld'} = getIdByCountryAndCity('Россия', 'Владивосток');
$city{'vlg'} = getIdByCountryAndCity('Россия', 'Волгоград');
$city{'ast'} = getIdByCountryAndCity('Казахстан', 'Астана');
my $str = '';
foreach my $c (keys(%city)){
my $id = $city{$c};
my $xmldata = '';
unless(-f "$tmpdir/$id.xml"){
for(1..9){
$xmldata .= `curl -s -k --no-buffer --connect-timeout 20 --tcp-nodelay https://export.yandex.ru/weather-ng/forecasts/$id.xml`;
if($? == 0){
sysopen(XMLDATA, "$tmpdir/$id.xml", O_WRONLY|O_CREAT|O_TRUNC)||die("Unable to write to $tmpdir/$id.xml");
syswrite XMLDATA, $xmldata;
close XMLDATA;
last;
}
sleep 1;
}
}
my @array = @{parsedata("$tmpdir/$id.xml")};
$str .= sprintf( "%stemp:%s
%spres:%s
%shum:%s
%smag:%s
", $c, $array[2],
$c, $array[0],
$c, $array[1],
$c, $array[3] );
}
sysopen(RESULT, $outfile, O_WRONLY|O_CREAT|O_TRUNC)||die("Unable to write to $outfile");
syswrite RESULT, $str;
close RESULT;
exit 0;
sub getIdByCountryAndCity(@){
my ($country, $city) = @_;
my $id = undef;
my $simple = XML::Simple->new( KeyAttr => '' );
my $ref = eval(sprintf("\$simple->XMLin('%s')", $citiesfile));
foreach (@{$ref->{country}}){
my %hash = %$_;
my $a = sprintf("%s", $hash{'name'});
next unless ($a eq $country);
foreach(@{$hash{'city'}}){
next unless(${$_}{'content'} eq $city);
$id = ${$_}{'id'};
last;
}
}
return $id;
}
sub parsedata($){
my $file = shift ;
my @a;
my $simple = XML::Simple->new(KeyAttr => '');
# WTF?!!!
my $data = eval(sprintf("\$simple->XMLin('%s')\n", $file));
# okay, parse stuff
$a[0] = $data->{fact}->{pressure}->{content};
$a[1] = $data->{fact}->{humidity};
$a[2] = $data->{fact}->{temperature}->{content};
foreach (@{$data->{day}}){
my $ref = $_;
if (defined($ref->{biomet}) and ($ref->{date} eq $date)){
$a[3] = $ref->{biomet}{geomag};
last;
}
}
unless(defined($a[3])){
my $newdate = strftime('%Y-%m-%d', localtime(time + 86400));
foreach (@{$data->{day}}){
my $ref = $_;
if (defined($ref->{biomet}) and ($ref->{date} eq $newdate)){
$a[3] = $ref->{biomet}{geomag};
last;
}
}
}
unlink($file);
return \@a;
}