First release of a xen plugin. Only a few diskless corrections inside. Works only with clone and an already installed xen. Karnel has to be chosen manually yet... a solution for runlevellinks in plugins has to be found.

git-svn-id: http://svn.openslx.org/svn/openslx/openslx/trunk@1873 95ad53e4-c205-0410-b2fa-d234c58c8868

3 files changed, 123 insertions, 0 deletions

diff --git a/os-plugins/plugins/xen/OpenSLX/OSPlugin/xen.pm b/os-plugins/plugins/xen/OpenSLX/OSPlugin/xen.pm
new file mode 100644
index 00000000..4a8288c8
--- /dev/null
+++ b/os-plugins/plugins/xen/OpenSLX/OSPlugin/xen.pm
@@ -0,0 +1,82 @@
+# 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/
+# -----------------------------------------------------------------------------
+# xen.pm
+#    - implementation of the 'xen' plugin
+# -----------------------------------------------------------------------------
+package OpenSLX::OSPlugin::xen;
+
+use strict;
+use warnings;
+
+use base qw(OpenSLX::OSPlugin::Base);
+
+use File::Path;
+
+use OpenSLX::Basics;
+use OpenSLX::Utils;
+
+sub new
+{
+    my $class = shift;
+
+    my $self = {
+        name => 'bootsplash',
+    };
+
+    return bless $self, $class;
+}
+
+sub getInfo
+{
+    my $self = shift;
+
+    return {
+        description => unshiftHereDoc(<<'        End-of-Here'),
+            Configures Xen diskless boot, no installation yet.
+        End-of-Here
+        precedence => 10,
+    };
+}
+
+sub getAttrInfo
+{
+    my $self = shift;
+
+    return {
+        'xen::active' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                should the 'xen'-plugin be executed during boot?
+            End-of-Here
+            content_regex => qr{^(0|1)$},
+            content_descr => '1 means active - 0 means inactive',
+            default => '1',
+        },
+    };
+}
+
+sub suggestAdditionalKernelModules
+{
+    my $self                = shift;
+    my $makeInitRamFSEngine = shift;
+
+    my @suggestedModules;
+    
+    # Ubuntu needs vesafb and fbcon (which drags along some others)
+    if ($makeInitRamFSEngine->{'distro-name'} =~ m{^suse}i) {
+        push @suggestedModules, qw( bridge netloop )
+    }
+    
+    return @suggestedModules;
+}
+
+1;
diff --git a/os-plugins/plugins/xen/XX_xen.sh b/os-plugins/plugins/xen/XX_xen.sh
new file mode 100644
index 00000000..4f545bbd
--- /dev/null
+++ b/os-plugins/plugins/xen/XX_xen.sh
@@ -0,0 +1,13 @@
+#! /bin/sh
+#
+# stage3 part of 'xen' plugin - the runlevel script
+#
+mkdir -p /mnt/var/log/xen &
+mkdir -p /mnt/var/run/xend &
+mkdir -p /mnt/var/run/xenstored &
+cd /mnt/etc/init.d/rc5.d
+ln -s ../xendomains K08xendomains
+ln -s ../xend K09xend
+ln -s ../xend S13xend
+ln -s ../xendomains S14xendomains
+modprobe loop max_loop=64
diff --git a/os-plugins/plugins/xen/init-hooks/10-have-nw-modules/xen.sh b/os-plugins/plugins/xen/init-hooks/10-have-nw-modules/xen.sh
new file mode 100644
index 00000000..3886c00d
--- /dev/null
+++ b/os-plugins/plugins/xen/init-hooks/10-have-nw-modules/xen.sh
@@ -0,0 +1,28 @@
+# configure Xen bridge xenbr0
+xenbr_config () {
+  echo -e "Configuring Xen...\c"
+  modprobe ${MODPRV} netloop
+  local ipls
+  local vifnum="0"
+  local bridge="xenbr${vifnum}"
+  local netdev="eth${vifnum}"
+  local pdev="p${netdev}"
+  local vdev="veth${vifnum}"
+  local vif0="vif0.${vifnum}"
+  # fixme: that is the mac address of main ethernet device
+  local mac=`ip link show ${netdev} | grep 'link\/ether' | sed -e 's/.*ether \(..:..:..:..:..:..\).*/\1/'`
+
+  brctl addbr ${bridge}
+  brctl stp ${bridge} off
+  brctl setfd ${bridge} 0
+  brctl addif ${bridge} ${vif0}
+  for ipls in "${netdev} name ${pdev}" "${vdev} name ${netdev}" \
+              "${pdev} down arp off" "${pdev} addr fe:ff:ff:ff:ff:ff" \
+              "${netdev} addr ${mac} arp on" "${bridge} up" "${vif0} up" \
+              "${pdev} up" "${netdev} up"; do
+    ip link set ${ipls}
+  done
+  brctl addif ${bridge} ${pdev}
+  echo " OK"
+  exit 0
+}