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# Copyright (c) 2006, 2007 - OpenSLX GmbH
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your suggestions, praise, or complaints to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org/
# -----------------------------------------------------------------------------
# NBD.pm
# - provides NBD+Squashfs-specific overrides of the
# OpenSLX::OSExport::BlockDevice API.
# -----------------------------------------------------------------------------
package OpenSLX::OSExport::BlockDevice::NBD;
use strict;
use warnings;
use base qw(OpenSLX::OSExport::BlockDevice::Base);
use File::Basename;
use OpenSLX::Basics;
use OpenSLX::ConfigDB qw(:support);
use OpenSLX::OSExport::BlockDevice::Base 1;
use OpenSLX::Utils;
################################################################################
### interface methods
################################################################################
sub new
{
my $class = shift;
my $self = {'name' => 'nbd',};
return bless $self, $class;
}
sub getExportPort
{
my $self = shift;
my $openslxDB = shift;
return $openslxDB->incrementGlobalCounter('next-nbd-server-port');
}
sub generateExportURI
{
my $self = shift;
my $export = shift;
my $serverIP = $export->{server_ip} || '';
my $server
= length($serverIP) ? $serverIP : generatePlaceholderFor('serverip');
$server .= ":$export->{port}" if length($export->{port});
return "nbd://$server";
}
sub requiredBlockDeviceModules
{
my $self = shift;
return qw( nbd );
}
sub requiredBlockDeviceTools
{
my $self = shift;
return qw( nbd-client );
}
sub showExportConfigInfo
{
my $self = shift;
my $export = shift;
print(('#' x 80) . "\n");
print _tr(
"Please make sure you start a corresponding nbd-server:\n\t%s\n",
"nbd-server $export->{port} $self->{fs}->{'export-path'} -r"
);
print(('#' x 80) . "\n");
return;
}
1;
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