1 files changed, 185 insertions, 0 deletions
diff --git a/src/os-plugins/plugins/xen/OpenSLX/OSPlugin/xen.pm b/src/os-plugins/plugins/xen/OpenSLX/OSPlugin/xen.pm
new file mode 100644
index 00000000..12331983
--- /dev/null
+++ b/src/os-plugins/plugins/xen/OpenSLX/OSPlugin/xen.pm
@@ -0,0 +1,185 @@
+# Copyright (c) 2010 - RZ Uni Freiburg
+# Copyright (c) 2010 - 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 => 'xen',
+    };
+
+    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',
+            # set active to 0, later set specially created Xen system to 1
+            default => '0',
+        },
+        # attribute 'imagesrc' defines where we can find xen images
+        'xen::imagesrc' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                Where do we store our xen images? NFS? Filesystem?
+            End-of-Here
+            content_regex => qr{^(/|nfs://)},
+            content_descr => 'local path or URI or "-" (unset)',
+            default => undef,
+        },
+         # attribute 'tftpdir' defines TFTP dir for network boots /w NAT
+        'xen::tftpdir' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                Do you want to define a stage 4 TFTP dir for netwoork boots?
+                Needed to boot Xen via NFS, we only need the initramfs
+                Hint: Mount your TFTP ro via NFS to a local dir
+            End-of-Here
+            content_regex => qr{^(/)},
+            content_descr => 'local path or "-" (unset)',
+            default => undef,
+        },
+    };
+}
+
+sub installationPhase
+{
+    my $self = shift;
+    my $info = shift;
+
+    $self->{pluginRepositoryPath} = $info->{'plugin-repo-path'};
+    $self->{openslxBasePath}      = $info->{'openslx-base-path'};
+
+    # Copy run-virt.include and template files to the appropriate place for
+    # inclusion in stage4
+    my $pluginName = $self->{'name'};
+    my $pluginBasePath = 
+      "$self->{openslxBasePath}/lib/plugins/$pluginName/files";
+
+    foreach my $file ( qw( run-virt.include machine.include hvm.include ) ) {
+        copyFile("$pluginBasePath/$file", "$self->{pluginRepositoryPath}/");
+        chmod 0644, "$self->{pluginRepositoryPath}/$file";
+    }
+
+    return;
+}
+
+sub removalPhase
+{
+    my $self = shift;
+    my $info = shift;
+
+    return;
+}
+
+sub suggestAdditionalKernelModules
+{
+    my $self                = shift;
+    my $makeInitRamFSEngine = shift;
+
+    my @suggestedModules;
+
+    # Xen needs bridge module, for guests xennet and maybe xenblk
+    # earlier versions needed netloop
+    push @suggestedModules, qw( bridge xennet xenblk );
+
+    return @suggestedModules;
+}
+
+#sub _xenLabel
+#{
+#    # set label for each Xen system
+#    foreach my $info (@$systemInfos) {
+#        if ($info->{xen::active} eq 1) {
+#            my $label = $info->{label} || '';
+#            if (!length($label) || $label eq $info->{name}) {
+#                if ($info->{name} =~ m{^(.+)::(.+)$}) {
+#                    my $system = $1;
+#                    my $exportType = $2;
+#                    $label = $system . "-xen" . ' ' x (36-length($system))
+#                      . $exportType;
+#                } else {
+#                    $label = $info->{name};
+#                }
+#            }
+#        }
+#        $info->{pxeLabel} = $label;
+#    }
+#    return $info; #??? 
+#}
+
+#sub _xenBootEntry
+#{
+#    # Xen entries look different
+#    # Example:
+#    # KERNEL mboot.c32 vendor-os/xen.gz dom0_mem=128000 ---
+#    # vendor-os/vmlinuz-xen debug=3 --- vendor-os/initramfs-1
+#    # TODO: versionsort oder per attr?
+#    if ($info->{xen::active} eq 1) {
+#        my $xenKernel = slxsystem(ls /boot/xen* | sort | tail -n 1);
+#        $append .= " file=$bootURI"     if length($bootURI);
+#        $append .= " file=$tftpPrefix"  if length($tftpPrefix);
+#        $append .= " $clientAppend";
+#        $append .= " --- $pxePrefix$vendorOSName/$info->{'initramfs-name'}";
+#        $slxLabels .= "LABEL openslx-$info->{'external-id'}-xen\n";
+#        # $slxLabels .= $pxeDefault;
+#        $slxLabels .= "\tMENU LABEL ^$info->{pxeLabel}\n";
+#        $slxLabels .= "\tKERNEL mboot.c32\n";
+#        $slxLabels .= "\tAPPEND $pxePrefix$vendorOSName/$xenKernel";
+#        # $slxLabels .= " dom0_mem=128000";
+#        $slxLabels .= " --- $pxePrefix$vendorOSName/$kernelName";
+#        $slxLabels .= " --- $append\n";
+#        $slxLabels .= "\tIPAPPEND 3\n";
+#    }
+#    return $slxLabels;
+#}
+
+1;