* added slxos-export script and the corresponding engine and exporter implementation for NFS.

git-svn-id: http://svn.openslx.org/svn/openslx/trunk@760 95ad53e4-c205-0410-b2fa-d234c58c8868

2 files changed, 166 insertions, 0 deletions

diff --git a/installer/OpenSLX/OSExport/ExportType/Base.pm b/installer/OpenSLX/OSExport/ExportType/Base.pm
new file mode 100644
index 00000000..c65f39e0
--- /dev/null
+++ b/installer/OpenSLX/OSExport/ExportType/Base.pm
@@ -0,0 +1,83 @@
+# Base.pm - provides empty base of the OpenSLX OSExport::ExportType API.
+#
+# (c) 2006 - OpenSLX.com
+#
+# Oliver Tappe <ot@openslx.com>
+#
+package OpenSLX::OSExport::ExportType::Base;
+
+use vars qw($VERSION);
+$VERSION = 1.01;		# API-version . implementation-version
+
+use strict;
+use Carp;
+
+################################################################################
+### interface methods
+################################################################################
+sub new
+{
+	confess "Creating OpenSLX::OSExport::ExportType::Base-objects directly makes no sense!";
+}
+
+sub initialize
+{
+	my $self = shift;
+	my $engine = shift;
+
+	$self->{'engine'} = $engine;
+
+	# read filter information:
+	my (@includeList, @excludeList);
+	my $distroName = $engine->{'distro-name'};
+	my $filterFile = "../lib/distro-info/$distroName/export-filter";
+	if (open(FILTER, "< $filterFile")) {
+		while(<FILTER>) {
+			chomp;
+			push @includeList, "$_" if /^\+\s+/;
+			push @excludeList, "$_" if /^\-\s+/;
+		}
+		close(FILTER);
+	}
+	$self->{'exclude-list'} = \@excludeList;
+	$self->{'include-list'} = \@includeList;
+}
+
+sub exportVendorOS
+{
+}
+
+1;
+################################################################################
+
+=pod
+
+=head1 NAME
+
+OpenSLX::OSExport::ExportType::Base - the base class for all OSExport::ExportTypes
+
+=head1 SYNOPSIS
+
+  package OpenSLX::OSExport::ExportType::coolnewexporter;
+
+  use vars qw(@ISA $VERSION);
+  @ISA = ('OpenSLX::OSExport::ExportType::Base');
+  $VERSION = 1.01;
+
+  use coolnewexporter;
+
+  sub new
+  {
+      my $class = shift;
+      my $self = {};
+      return bless $self, $class;
+  }
+
+  # override all methods of OpenSLX::OSExport::ExportType::Base in order to
+  # implement the support for a new export-type
+  ...
+
+I<The synopsis above outlines a class that implements a
+OSExport::ExportType for the (imaginary) export-type B<coolnewexporter>>
+
+=cut
diff --git a/installer/OpenSLX/OSExport/ExportType/NFS.pm b/installer/OpenSLX/OSExport/ExportType/NFS.pm
new file mode 100644
index 00000000..8bb8f7e5
--- /dev/null
+++ b/installer/OpenSLX/OSExport/ExportType/NFS.pm
@@ -0,0 +1,83 @@
+# NFS.pm
+#	- provides NFS-specific overrides of the OpenSLX::OSExport::ExportType API.
+#
+# (c) 2006 - OpenSLX.com
+#
+# Oliver Tappe <ot@openslx.com>
+#
+package OpenSLX::OSExport::ExportType::NFS;
+
+use vars qw(@ISA $VERSION);
+@ISA = ('OpenSLX::OSExport::ExportType::Base');
+$VERSION = 1.01;		# API-version . implementation-version
+
+use strict;
+use Carp;
+use File::Basename;
+use OpenSLX::Basics;
+use OpenSLX::Utils;
+use OpenSLX::OSExport::ExportType::Base 1.01;
+
+################################################################################
+### interface methods
+################################################################################
+sub new
+{
+	my $class = shift;
+	my $self = {
+		'name' => 'NFS',
+	};
+	return bless $self, $class;
+}
+
+sub initialize
+{
+	my $self = shift;
+	my $engine = shift;
+
+	$self->SUPER::initialize($engine);
+}
+
+sub exportVendorOS
+{
+	my $self = shift;
+	my $source = shift;
+	my $target = shift;
+
+	$self->exportViaRsync($source, $target);
+	$self->addTargetToNfsExports($target);
+}
+
+################################################################################
+### implementation methods
+################################################################################
+
+sub exportViaRsync
+{
+	my $self = shift;
+	my $source = shift;
+	my $target = shift;
+
+	my $excludeIncludeList
+		= join("\n", @{$self->{'include-list'}}, @{$self->{'exclude-list'}});
+	vlog 1, "using exclude-include-filter:\n$excludeIncludeList\n";
+	open(RSYNC, "| rsync -av --delete --exclude-from=- $source/ $target")
+		or die _tr("unable to start rsync for source '%s', giving up! (%s)",
+				   $source, $!);
+	print RSYNC $excludeIncludeList;
+	if (!close(RSYNC)) {
+		die _tr("unable to export to target '%s', giving up! (%s)",
+				$target, $!);
+	}
+}
+
+sub addTargetToNfsExports
+{
+	my $self = shift;
+	my $target = shift;
+
+	my $exports = slurpFile("/etc/exports");
+print "$exports\n";
+}
+
+1;