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|
# Engine.pm - provides driver engine for the OSExport API.
#
# (c) 2006 - OpenSLX.com
#
# Oliver Tappe <ot@openslx.com>
#
package OpenSLX::OSExport::Engine;
use vars qw(@ISA @EXPORT $VERSION);
$VERSION = 1.01; # API-version . implementation-version
use Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(
%supportedExportTypes %supportedDistros
);
use strict;
use Carp;
use File::Basename;
use OpenSLX::Basics;
use vars qw(%supportedExportTypes %supportedDistros);
%supportedExportTypes = (
'nfs'
=> { module => 'NFS' },
'nbd'
=> { module => 'NBD' },
'nbd-squashfs'
=> { module => 'NBD_Squash' },
);
%supportedDistros = (
'debian-3.1'
=> { module => 'Debian_3_1' },
'debian-4.0'
=> { module => 'Debian_4_0' },
'fedora-6'
=> { module => 'Fedora_6' },
'fedora-6-x86_64'
=> { module => 'Fedora_6_x86_64' },
'gentoo-2005.1'
=> { module => 'Gentoo_2005_1' },
'gentoo-2006.1'
=> { module => 'Gentoo_2006_1' },
'mandriva-2007.0'
=> { module => 'Mandriva_2007_0' },
'suse-9.3'
=> { module => 'SUSE_9_3' },
'suse-10.0'
=> { module => 'SUSE_10_0' },
'suse-10.0-x86_64'
=> { module => 'SUSE_10_0_x86_64' },
'suse-10.1'
=> { module => 'SUSE_10_1' },
'suse-10.1-x86_64'
=> { module => 'SUSE_10_1_x86_64' },
'suse-10.2'
=> { module => 'SUSE_10_2' },
'suse-10.2-x86_64'
=> { module => 'SUSE_10_2_x86_64' },
'ubuntu-6.06'
=> { module => 'Ubuntu_6_06' },
'ubuntu-6.10'
=> { module => 'Ubuntu_6_10' },
);
################################################################################
### interface methods
################################################################################
sub new
{
my $class = shift;
my $self = {
};
return bless $self, $class;
}
sub initialize
{
my $self = shift;
my $vendorOSName = shift;
my $exportType = shift;
if (!exists $supportedExportTypes{lc($exportType)}) {
print _tr("Sorry, export type '%s' is unsupported.\n", $exportType);
print _tr("List of supported export types:\n\t");
print join("\n\t", sort keys %supportedExportTypes)."\n";
exit 1;
}
$self->{'vendor-os-name'} = $vendorOSName;
$vendorOSName =~ m[^(.+?\-[^-]+)];
my $distroName = $1;
$self->{'distro-name'} = $distroName;
# load module for the requested distro:
my $distroModule
= "OpenSLX::OSExport::Distro::"
.$supportedDistros{lc($distroName)}->{module};
unless (eval "require $distroModule") {
if ($! == 2) {
die _tr("Distro-module <%s> not found!\n", $distroModule);
} else {
die _tr("Unable to load distro-module <%s> (%s)\n", $distroModule, $@);
}
}
my $modVersion = $distroModule->VERSION;
if ($modVersion < 1.01) {
die _tr('Could not load module <%s> (Version <%s> required, but <%s> found)',
$distroModule, 1.01, $modVersion);
}
$distroModule->import;
my $distro = $distroModule->new;
$distro->initialize($self);
$self->{distro} = $distro;
# load module for the requested export type:
my $exportTypeModule
= "OpenSLX::OSExport::ExportType::"
.$supportedExportTypes{lc($exportType)}->{module};
unless (eval "require $exportTypeModule") {
if ($! == 2) {
die _tr("Export-type-module <%s> not found!\n", $exportTypeModule);
} else {
die _tr("Unable to load export-type-module <%s> (%s)\n", $exportTypeModule, $@);
}
}
my $modVersion = $exportTypeModule->VERSION;
if ($modVersion < 1.01) {
die _tr('Could not load module <%s> (Version <%s> required, but <%s> found)',
$exportTypeModule, 1.01, $modVersion);
}
$exportTypeModule->import;
my $exporter = $exportTypeModule->new;
$exporter->initialize($self);
$self->{'exporter'} = $exporter;
# setup source and target paths:
$self->{'vendor-os-path'}
= "$openslxConfig{'stage1-path'}/$vendorOSName";
$self->{'export-path'}
= "$openslxConfig{'export-path'}/$exportType/$vendorOSName";
vlog 1, _tr("vendor-OS from '%s' will be exported to '%s'",
$self->{'vendor-os-path'}, $self->{'export-path'});
}
sub exportVendorOS
{
my $self = shift;
$self->{'exporter'}->exportVendorOS(
$self->{'vendor-os-path'},
$self->{'export-path'}
);
$self->addExportToConfigDB();
}
################################################################################
### implementation methods
################################################################################
sub addExportToConfigDB
{
my $self = shift;
print "adding the export to the config-DB is not implemented yet, sorry!\n";
return;
my $configDBModule = "OpenSLX::ConfigDB";
unless (eval "require $configDBModule") {
if ($! == 2) {
vlog 1, _tr("ConfigDB-module not found, unable to access OpenSLX-database.\n");
} else {
die _tr("Unable to load ConfigDB-module <%s> (%s)\n", $configDBModule, $@);
}
} else {
my $modVersion = $configDBModule->VERSION;
if ($modVersion < 1.01) {
die _tr('Could not load module <%s> (Version <%s> required, but <%s> found)',
$configDBModule, 1.01, $modVersion);
}
$configDBModule->import(qw(:access :manipulation));
my $openslxDB = connectConfigDB();
# insert new export if it doesn't already exist in DB:
my $exportName = $self->{'vendor-os-name'};
my $export = fetchExportsByFilter(
$openslxDB, { 'name' => $exportName }, 'id'
);
if (defined $export) {
changeExport(
$openslxDB,
{
'name' => $exportName,
'path' => $self->{'vendor-os-name'},
}
);
vlog 0, _tr("Export <%s> has been updated in DB.\n", $exportName);
} else {
my $id = addExport(
$openslxDB,
{
'name' => $exportName,
'path' => $self->{'vendor-os-name'},
}
);
vlog 0, _tr("Export <%s> has been added to DB (ID=%s).\n",
$exportName, $id);
}
disconnectConfigDB($openslxDB);
}
}
1;
################################################################################
=pod
=head1 NAME
OpenSLX::OSExport::Engine -
=head1 SYNOPSIS
=head1 DESCRIPTION
...
=cut
|
