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# Copyright (c) 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 OSPlugin API.
# -----------------------------------------------------------------------------
package OpenSLX::OSPlugin::Engine;
use strict;
use warnings;
our $VERSION = 1.01; # API-version . implementation-version
use File::Basename;
use File::Path;
use OpenSLX::Basics;
use OpenSLX::OSSetup::Engine;
use OpenSLX::Utils;
################################################################################
### interface methods
################################################################################
sub new
{
my $class = shift;
my $self = {};
return bless $self, $class;
}
sub initialize
{
my $self = shift;
my $pluginName = shift;
my $vendorOSName = shift;
$self->{'vendor-os-name'} = $vendorOSName;
$self->{'vendor-os-path'}
= "$openslxConfig{'private-path'}/stage1/$vendorOSName";
vlog(1, "vendor-OS path is '$self->{'vendor-os-path'}'");
if ($pluginName) {
$self->{'plugin-name'} = $pluginName;
$self->{'plugin-path'}
= "$openslxConfig{'base-path'}/lib/plugins/$pluginName";
vlog(1, "plugin path is '$self->{'plugin-path'}'");
$self->{'plugin'} = $self->_loadPlugin();
return if !$self->{'plugin'};
}
return 1;
}
sub installPlugin
{
my $self = shift;
if ($self->{'vendor-os-name'} ne '<<<default>>>') {
# create ossetup-engine for given vendor-OS:
my $osSetupEngine = OpenSLX::OSSetup::Engine->new;
$osSetupEngine->initialize($self->{'vendor-os-name'}, 'plugin');
$self->{'os-setup-engine'} = $osSetupEngine;
# bind mount openslx basepath to /mnt/openslx of vendor-OS:
my $basePath = $openslxConfig{'base-path'};
my $openslxPathInChroot = "$self->{'vendor-os-path'}/mnt/openslx";
mkpath( [ $openslxPathInChroot ] );
if (slxsystem("mount -o bind $basePath $openslxPathInChroot")) {
croak(
_tr(
"unable to bind mount '%s' to '%s'! (%s)",
$basePath, $openslxPathInChroot, $!
)
);
}
# now let plugin install itself into vendor-OS
my $chrootedPluginRepoPath
= "$openslxConfig{'base-path'}/plugin-repo/$self->{'plugin-name'}";
my $pluginRepoPath
= "$self->{'vendor-os-path'}/$chrootedPluginRepoPath";
my $chrootedPluginTempPath
= "/tmp/slx-plugin/$self->{'plugin-name'}";
my $pluginTempPath
= "$self->{'vendor-os-path'}/$chrootedPluginTempPath";
foreach my $path ($pluginRepoPath, $pluginTempPath) {
if (slxsystem("mkdir -p $path")) {
croak(_tr("unable to create path '%s'! (%s)", $path, $!));
}
}
$self->{'os-setup-engine'}->callChrootedFunctionForVendorOS(
sub {
$self->{plugin}->installationPhase(
$chrootedPluginRepoPath, $chrootedPluginTempPath,
'/mnt/openslx',
);
}
);
if (slxsystem("umount $openslxPathInChroot")) {
croak(_tr("unable to umount '%s'! (%s)", $openslxPathInChroot, $!));
}
}
$self->_addInstalledPluginToDB();
return 1;
}
sub getPlugin
{
my $self = shift;
return $self->{plugin};
}
sub removePlugin
{
my $self = shift;
if ($self->{'vendor-os-name'} ne '<<<default>>>') {
# create ossetup-engine for given vendor-OS:
my $osSetupEngine = OpenSLX::OSSetup::Engine->new;
$osSetupEngine->initialize($self->{'vendor-os-name'}, 'plugin');
$self->{'os-setup-engine'} = $osSetupEngine;
my $chrootedPluginRepoPath
= "$openslxConfig{'base-path'}/plugin-repo/$self->{'plugin-name'}";
my $pluginRepoPath
= "$self->{'vendor-os-path'}/$chrootedPluginRepoPath";
my $chrootedPluginTempPath
= "/tmp/slx-plugin/$self->{'plugin-name'}";
my $pluginTempPath
= "$self->{'vendor-os-path'}/$chrootedPluginTempPath";
foreach my $path ($pluginRepoPath, $pluginTempPath) {
if (slxsystem("mkdir -p $path")) {
croak(_tr("unable to create path '%s'! (%s)", $path, $!));
}
}
$self->{'os-setup-engine'}->callChrootedFunctionForVendorOS(
sub {
$self->{plugin}->removalPhase(
$chrootedPluginRepoPath, $chrootedPluginTempPath
);
}
);
}
$self->_removeInstalledPluginFromDB();
return 1;
}
sub getInstalledPlugins
{
my $self = shift;
my $openslxDB = instantiateClass("OpenSLX::ConfigDB");
$openslxDB->connect();
my $vendorOS = $openslxDB->fetchVendorOSByFilter( {
name => $self->{'vendor-os-name'},
} );
if (!$vendorOS) {
die _tr(
'unable to find vendor-OS "%s" in DB!', $self->{'vendor-os-name'}
);
}
my @installedPlugins = $openslxDB->fetchInstalledPlugins($vendorOS->{id});
$openslxDB->disconnect();
return @installedPlugins;
}
sub _loadPlugin
{
my $self = shift;
my $pluginModule = "OpenSLX::OSPlugin::$self->{'plugin-name'}";
my $plugin = instantiateClass(
$pluginModule, { pathToClass => $self->{'plugin-path'} }
);
return if !$plugin;
$plugin->initialize($self);
return $plugin;
}
sub _addInstalledPluginToDB
{
my $self = shift;
my $openslxDB = instantiateClass("OpenSLX::ConfigDB");
$openslxDB->connect();
my $vendorOS = $openslxDB->fetchVendorOSByFilter( {
name => $self->{'vendor-os-name'},
} );
if (!$vendorOS) {
die _tr(
'unable to find vendor-OS "%s" in DB!', $self->{'vendor-os-name'}
);
}
$openslxDB->addInstalledPlugin($vendorOS->{id}, $self->{'plugin-name'});
$openslxDB->disconnect();
return 1;
}
sub _removeInstalledPluginFromDB
{
my $self = shift;
my $openslxDB = instantiateClass("OpenSLX::ConfigDB");
$openslxDB->connect();
my $vendorOS = $openslxDB->fetchVendorOSByFilter( {
name => $self->{'vendor-os-name'},
} );
if (!$vendorOS) {
die _tr(
'unable to find vendor-OS "%s" in DB!', $self->{'vendor-os-name'}
);
}
$openslxDB->removeInstalledPlugin($vendorOS->{id}, $self->{'plugin-name'});
$openslxDB->disconnect();
return 1;
}
1;
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