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#!/usr/bin/perl
#
# rhrdweb
#
# Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
#
# This file is part of rhrdweb.
#
# rhrdweb is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# rhrdweb is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with rhrdweb. If not, see <http://www.gnu.org/licenses/>.
#
use strict;
use RHRD::rddb;
use JSON;
use IO::Socket;
use Socket qw(SOCK_STREAM getaddrinfo);
my $status = 'ERROR';
my $errorstring = 'unknown';
my $responsecode = 500;
my $system = 'unknown';
my %hints = (socktype => SOCK_STREAM);
my ($err, @res) = getaddrinfo("rhctl.helsinki.at", "2345", \%hints);
if($err) {
$errorstring = "Cannot getaddrinfo - $err";
} else {
my $sock;
foreach my $ai (@res) {
my $candidate = IO::Socket->new();
$candidate->socket($ai->{family}, $ai->{socktype}, $ai->{protocol})
or next;
$candidate->connect($ai->{addr})
or next;
$sock = $candidate;
last;
}
if($sock) {
$system = <$sock>;
$system =~ s/\s+$//;
$status = 'OK';
$errorstring = 'success';
$responsecode = 200;
close($sock);
} else {
$errorstring = "Cannot connect to rhctl.helsinki.at:2345";
}
}
my %answer;
$answer{'status'} = $status;
$answer{'errorstring'} = $errorstring;
$answer{'system'} = $system;
print "Content-type: application/json; charset=UTF-8\n";
print "Status: $responsecode\n\n";
print JSON->new->encode(\%answer);
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