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-rw-r--r--installer/OpenSLX/OSExport/Engine.pm364
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diff --git a/installer/OpenSLX/OSExport/Engine.pm b/installer/OpenSLX/OSExport/Engine.pm
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--- a/installer/OpenSLX/OSExport/Engine.pm
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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/
-# -----------------------------------------------------------------------------
-# Engine.pm
-# - provides driver engine for the OSExport API.
-# -----------------------------------------------------------------------------
-package OpenSLX::OSExport::Engine;
-
-use strict;
-use warnings;
-
-our (@ISA, @EXPORT, $VERSION);
-$VERSION = 1.01; # API-version . implementation-version
-
-use Exporter;
-@ISA = qw(Exporter);
-
-@EXPORT = qw(
- %supportedExportFileSystems %supportedExportBlockDevices
- @supportedExportTypes
-);
-
-use File::Basename;
-
-use OpenSLX::Basics;
-use OpenSLX::Utils;
-
-our (
- %supportedExportFileSystems, %supportedExportBlockDevices,
- @supportedExportTypes,
-);
-
-%supportedExportFileSystems = (
- 'nfs' => 'NFS',
- 'sqfs' => 'SquashFS',
-);
-
-%supportedExportBlockDevices = (
- 'dnbd2' => 'DNBD2',
- 'nbd' => 'NBD',
- 'aoe' => 'AoE',
-);
-
-@supportedExportTypes = (
- 'nfs',
- 'sqfs-aoe',
- 'sqfs-dnbd2',
- 'sqfs-nbd',
-);
-
-################################################################################
-### interface methods
-################################################################################
-sub new
-{
- my $class = shift;
-
- my $self = {};
-
- return bless $self, $class;
-}
-
-sub initializeFromExisting
-{
- my $self = shift;
- my $exportName = shift;
-
- my $openslxDB = instantiateClass("OpenSLX::ConfigDB");
- $openslxDB->connect();
-
- my $export = $openslxDB->fetchExportByFilter({'name' => $exportName});
- if (!defined $export) {
- die _tr("Export '%s' not found in DB, giving up!", $exportName);
- }
- my $vendorOS =
- $openslxDB->fetchVendorOSByFilter({'id' => $export->{vendor_os_id}});
-
- $openslxDB->disconnect();
-
- $self->_initialize($vendorOS->{name}, $vendorOS->{id}, $export->{name},
- $export->{type});
- return;
-}
-
-sub initializeForNew
-{
- my $self = shift;
- my $vendorOSName = shift;
- my $exportType = lc(shift);
-
- my $openslxDB = instantiateClass("OpenSLX::ConfigDB");
- $openslxDB->connect();
-
- my $vendorOS = $openslxDB->fetchVendorOSByFilter({'name' => $vendorOSName});
- if (!defined $vendorOS) {
- die _tr("vendor-OS '%s' not found in DB, giving up!", $vendorOSName);
- }
-
- my $exportName = "${vendorOSName}::${exportType}";
-
- $openslxDB->disconnect();
-
- $self->_initialize($vendorOS->{name}, $vendorOS->{id}, $exportName,
- $exportType);
- return;
-}
-
-sub exportVendorOS
-{
- my $self = shift;
-
- vlog(
- 1,
- _tr(
- "vendor-OS from '%s' will be exported to '%s'",
- $self->{'vendor-os-path'},
- $self->{'exporter'}->{'export-path'}
- )
- );
- if (!$self->{'exporter'}->checkRequirements($self->{'vendor-os-path'})) {
- die _tr(
- "clients wouldn't be able to access the exported root-fs!\nplease "
- . "install the missing module(s) or use another export-type.");
- }
-
- $self->{'exporter'}->exportVendorOS($self->{'vendor-os-path'},);
- vlog(
- 0,
- _tr(
- "vendor-OS '%s' successfully exported to '%s'!",
- $self->{'vendor-os-path'},
- $self->{exporter}->{'export-path'}
- )
- );
- $self->_addExportToConfigDB();
- return;
-}
-
-sub purgeExport
-{
- my $self = shift;
-
- if ($self->{'exporter'}->purgeExport()) {
- vlog(
- 0,
- _tr(
- "export '%s' successfully removed!",
- $self->{exporter}->{'export-path'}
- )
- );
- }
- $self->_removeExportFromConfigDB();
- return;
-}
-
-sub generateExportURI
-{
- my $self = shift;
-
- return $self->{exporter}->generateExportURI(@_);
-}
-
-sub requiredFSMods
-{
- my $self = shift;
-
- return $self->{exporter}->requiredFSMods();
-}
-
-sub requiredFSTools
-{
- my $self = shift;
-
- return $self->{exporter}->requiredFSTools();
-}
-
-################################################################################
-### implementation methods
-################################################################################
-sub _initialize
-{
- my $self = shift;
- my $vendorOSName = shift;
- my $vendorOSId = shift;
- my $exportName = shift;
- my $exportType = lc(shift);
-
- if ($vendorOSName eq '<<<default>>>') {
- die _tr("you can't do that with the default vendor-OS!\n");
- }
- if (!grep { $_ eq $exportType } @supportedExportTypes) {
- vlog(0,
- _tr("Sorry, export type '%s' is unsupported.\n", $exportType)
- . _tr("List of supported export types:\n\t")
- . join("\n\t", sort @supportedExportTypes));
- exit 1;
- }
- $exportType =~ m[^(\w+)(?:-(\w+))?$];
- my $exportFS = lc($1);
- my $exportBD = lc($2);
- vlog(2, "export-filesys='$exportFS' export-blockdev='$exportBD'");
-
- $self->{'vendor-os-name'} = $vendorOSName;
- $self->{'vendor-os-id'} = $vendorOSId;
- $self->{'export-name'} = $exportName;
- $self->{'export-type'} = $exportType;
- $vendorOSName =~ m[^(.+?\-[^-]+)];
- $self->{'distro-name'} = lc($1);
- my $distroName = ucfirst(lc($1));
-
- # load module for the requested distro:
- my $distro = loadDistroModule({
- distroName => $distroName,
- distroScope => 'OpenSLX::OSExport::Distro',
- fallbackName => 'Any',
- });
- if (!$distro) {
- die _tr(
- 'unable to load any OSExport::Distro module for vendor-OS %s!',
- $vendorOSName
- );
- }
- $distro->initialize($self);
- $self->{distro} = $distro;
-
- # load module for the requested export type:
- my $fsModuleName = $supportedExportFileSystems{$exportFS};
- my $exporter =
- instantiateClass("OpenSLX::OSExport::FileSystem::$fsModuleName");
- if (length($exportBD)) {
- my $blockModuleName = $supportedExportBlockDevices{$exportBD};
- my $blockDevice =
- instantiateClass("OpenSLX::OSExport::BlockDevice::$blockModuleName");
- $blockDevice->initialize($self, $exporter);
- $exporter->initialize($self, $blockDevice);
- } else {
- $exporter->initialize($self);
- }
- $self->{'exporter'} = $exporter;
-
- $self->{'vendor-os-path'} =
- "$openslxConfig{'private-path'}/stage1/$vendorOSName";
-
- return;
-}
-
-sub _addExportToConfigDB
-{
- my $self = shift;
-
- my $openslxDB = instantiateClass("OpenSLX::ConfigDB");
- $openslxDB->connect();
-
- my $export = $openslxDB->fetchExportByFilter(
- {
- 'name' => $self->{'export-name'},
- 'vendor_os_id' => $self->{'vendor-os-id'},
- }
- );
- if (defined $export) {
- vlog(
- 0,
- _tr(
- "No need to change export '%s' in OpenSLX-database.\n",
- $self->{'export-name'}
- )
- );
- $self->{exporter}->showExportConfigInfo($export);
- } else {
- $export = {
- 'vendor_os_id' => $self->{'vendor-os-id'},
- 'name' => $self->{'export-name'},
- 'type' => $self->{'export-type'},
- };
-
- my $id = $self->{exporter}->addExportToConfigDB($export, $openslxDB);
- vlog(
- 0,
- _tr(
- "Export '%s' has been added to DB (ID=%s)...\n",
- $self->{'export-name'}, $id
- )
- );
-
- $self->{exporter}->showExportConfigInfo($export) if $id;
- }
-
- my $system = $openslxDB->fetchSystemByFilter({
- 'name' => $self->{'export-name'},
- });
- if (!defined $system) {
- # now create a default system for that export, using the standard kernel:
- system("slxconfig add-system $self->{'export-name'}");
- }
-
- $openslxDB->disconnect();
- return;
-}
-
-sub _removeExportFromConfigDB
-{
- my $self = shift;
-
- my $openslxDB = instantiateClass("OpenSLX::ConfigDB");
- $openslxDB->connect();
-
- # remove export from DB:
- my $exportName = $self->{'export-name'};
- my $export = $openslxDB->fetchExportByFilter({'name' => $exportName,});
- if (!defined $export) {
- vlog(
- 0,
- _tr(
- "Export '%s' doesn't exist in OpenSLX-database.\n", $exportName
- )
- );
- } else {
- # remove all systems using this export and then remove the
- # export itself:
- my @systemIDs =
- map { $_->{id} }
- $openslxDB->fetchSystemByFilter({'export_id' => $export->{id}}, 'id');
- vlog(
- 1,
- _tr(
- "removing systems '%s' from DB, since they belong to the export"
- . " being deleted.\n",
- join ',',
- @systemIDs
- )
- );
- $openslxDB->removeSystem(\@systemIDs);
- $openslxDB->removeExport($export->{id});
- vlog(0, _tr("Export '%s' has been removed from DB.\n", $exportName));
- }
-
- $openslxDB->disconnect();
- return;
-}
-
-1;
-################################################################################
-
-=pod
-
-=head1 NAME
-
-OpenSLX::OSExport::Engine -
-
-=head1 SYNOPSIS
-
-=head1 DESCRIPTION
-
-...
-
-=cut
-
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