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# Copyright (c) 2006, 2008 - 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/
# -----------------------------------------------------------------------------
# DNBD2.pm
# - provides DNBD2+Squashfs-specific overrides of the
# OpenSLX::OSExport::BlockDevice API.
# -----------------------------------------------------------------------------
package OpenSLX::OSExport::BlockDevice::DNBD2;
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' => 'dnbd2',};
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($export->{port});
return "dnbd2://$server";
}
sub requiredBlockDeviceModules
{
my $self = shift;
return qw( dnbd2 );
}
sub requiredBlockDeviceTools
{
my $self = shift;
return qw( );
}
sub showExportConfigInfo
{
my $self = shift;
my $export = shift;
print '#' x 80 , "\n",
_tr(
"Please make sure you start a corresponding dnbd2-server:\n\t%s\n",
"dnbd2-server /etc/dnbd2/server.conf\n"
),
"Create or modify a config file like /etc/dnbd2/server.conf, looking like:",
"\n# dnbd2 server configuration\n<server>\n",
"$export->{port}\n",
"$self->{fs}->{'export-path'}\n\n",
'#' x 80, "\n";
return;
}
1;
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