9 files changed, 460 insertions, 0 deletions
diff --git a/src/os-plugins/plugins/pvs/OpenSLX/Distro/Base.pm b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Base.pm
new file mode 100644
index 00000000..3425f2ab
--- /dev/null
+++ b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Base.pm
@@ -0,0 +1,46 @@
+# Copyright (c) 2009 - 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/
+# -----------------------------------------------------------------------------
+# pvs/OpenSLX/Distro/Base.pm
+#    - provides base implementation of the Distro API for the pvs plugin.
+# -----------------------------------------------------------------------------
+package pvs::OpenSLX::Distro::Base;
+
+use strict;
+use warnings;
+
+our $VERSION = 1.01;        # API-version . implementation-version
+
+use Scalar::Util qw( weaken );
+
+use OpenSLX::Basics;
+use OpenSLX::Utils;
+
+################################################################################
+### interface methods
+################################################################################
+sub new
+{
+    my $class = shift;
+    my $self = {};
+    return bless $self, $class;
+}
+
+sub initialize
+{
+    my $self = shift;
+    $self->{engine} = shift;
+    weaken($self->{engine});
+        # avoid circular reference between plugin and its engine
+
+    return 1;
+}
+
+1;
diff --git a/src/os-plugins/plugins/pvs/OpenSLX/Distro/Debian.pm b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Debian.pm
new file mode 100644
index 00000000..0382d3b9
--- /dev/null
+++ b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Debian.pm
@@ -0,0 +1,29 @@
+# Copyright (c) 2009 - 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/
+# -----------------------------------------------------------------------------
+# pvs/OpenSLX/Distro/debian.pm
+#    - provides Debian-specific overrides of the Distro API for the pvs 
+#      plugin.
+# -----------------------------------------------------------------------------
+package pvs::OpenSLX::Distro::Debian;
+
+use strict;
+use warnings;
+
+use base qw(pvs::OpenSLX::Distro::Base);
+
+use OpenSLX::Basics;
+use OpenSLX::Utils;
+
+################################################################################
+### interface methods
+################################################################################
+
+1;
diff --git a/src/os-plugins/plugins/pvs/OpenSLX/Distro/Fedora.pm b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Fedora.pm
new file mode 100644
index 00000000..76b8ffa1
--- /dev/null
+++ b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Fedora.pm
@@ -0,0 +1,28 @@
+# Copyright (c) 2009 - 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/
+# -----------------------------------------------------------------------------
+# pvs/OpenSLX/Distro/Fedora.pm
+#    - provides Fedora-specific overrides of the Distro API for the pvs
+#      plugin.
+# -----------------------------------------------------------------------------
+package pvs::OpenSLX::Distro::Fedora;
+
+use strict;
+use warnings;
+
+use base qw(pvs::OpenSLX::Distro::Base);
+
+use OpenSLX::Basics;
+
+################################################################################
+### interface methods
+################################################################################
+
+1;
diff --git a/src/os-plugins/plugins/pvs/OpenSLX/Distro/Gentoo.pm b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Gentoo.pm
new file mode 100644
index 00000000..b943a63b
--- /dev/null
+++ b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Gentoo.pm
@@ -0,0 +1,28 @@
+# Copyright (c) 2009 - 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/
+# -----------------------------------------------------------------------------
+# pvs/OpenSLX/Distro/Gentoo.pm
+#    - provides Gentoo-specific overrides of the Distro API for the pvs
+#      plugin.
+# -----------------------------------------------------------------------------
+package pvs::OpenSLX::Distro::Gentoo;
+
+use strict;
+use warnings;
+
+use base qw(pvs::OpenSLX::Distro::Base);
+
+use OpenSLX::Basics;
+
+################################################################################
+### interface methods
+################################################################################
+
+1;
diff --git a/src/os-plugins/plugins/pvs/OpenSLX/Distro/Suse.pm b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Suse.pm
new file mode 100644
index 00000000..411fa1c9
--- /dev/null
+++ b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Suse.pm
@@ -0,0 +1,28 @@
+# Copyright (c) 2008 - 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/
+# -----------------------------------------------------------------------------
+# pvs/OpenSLX/Distro/Suse.pm
+#    - provides SUSE-specific overrides of the Distro API for the pvs plugin.
+# -----------------------------------------------------------------------------
+package pvs::OpenSLX::Distro::Suse;
+
+use strict;
+use warnings;
+
+use base qw(pvs::OpenSLX::Distro::Base);
+
+use OpenSLX::Basics;
+use OpenSLX::Utils;
+
+################################################################################
+### interface methods
+################################################################################
+
+1;
diff --git a/src/os-plugins/plugins/pvs/OpenSLX/Distro/Ubuntu.pm b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Ubuntu.pm
new file mode 100644
index 00000000..c7496ac0
--- /dev/null
+++ b/src/os-plugins/plugins/pvs/OpenSLX/Distro/Ubuntu.pm
@@ -0,0 +1,23 @@
+# Copyright (c) 2009 - 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/
+# -----------------------------------------------------------------------------
+# pvs/OpenSLX/Distro/Ubuntu.pm
+#    - provides Ubuntu-specific overrides of the Distro API for the pvs
+#      plugin.
+# -----------------------------------------------------------------------------
+package pvs::OpenSLX::Distro::Ubuntu;
+
+use strict;
+use warnings;
+
+# inherit everything from Debian (as Ubuntu is based on it anyway)
+use base qw(pvs::OpenSLX::Distro::Debian);
+
+1;
diff --git a/src/os-plugins/plugins/pvs/OpenSLX/OSPlugin/pvs.pm b/src/os-plugins/plugins/pvs/OpenSLX/OSPlugin/pvs.pm
new file mode 100644
index 00000000..d0a629e4
--- /dev/null
+++ b/src/os-plugins/plugins/pvs/OpenSLX/OSPlugin/pvs.pm
@@ -0,0 +1,127 @@
+# Copyright (c) 2009..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/
+# -----------------------------------------------------------------------------
+# pvs.pm - plugin to use the pool video switch tools within OpenSLX environment
+# -----------------------------------------------------------------------------
+package OpenSLX::OSPlugin::pvs;
+
+use strict;
+use warnings;
+
+use base qw(OpenSLX::OSPlugin::Base);
+
+use OpenSLX::Basics;
+use OpenSLX::Utils;
+
+sub new
+{
+    my $class = shift;
+    my $self = {
+        name => 'pvs',
+    };
+
+    return bless $self, $class;
+}
+
+sub getInfo
+{
+    my $self = shift;
+    return {
+        description => unshiftHereDoc(<<'        End-of-Here'),
+            enables pvs server (user or xorg)
+        End-of-Here
+        # waits for xorg to add configuration if needed
+        precedence => 70,
+    };
+}
+
+sub getAttrInfo
+{
+    my $self = shift;
+
+    return {
+        'pvs::active' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                should the 'pvs' plugin be executed during boot?
+            End-of-Here
+            content_regex => qr{^(0|1)$},
+            content_descr => '1 means active - 0 means inactive',
+            default => '1',
+        },
+
+        'pvs::mode' => {
+            applies_to_systems => 1,
+            applies_to_clients => 0,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                set pvs to listen on Xorg user sessions (default), general
+                access to the Xorg server (including displaymanager login) and
+                console framebuffer.
+            End-of-Here
+            content_regex => qr{^(x11user|x11mod|fb)$},
+            content_descr => 'x11user for user, x11mod for access via Xorg module or fb',
+            default => 'x11user',
+        },
+
+        'pvs::scale' => {
+            applies_to_systems => 1,
+            applies_to_clients => 0,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                scale screen size (e.g. as fraction 2/3 or as decimal 0.5)
+            End-of-Here
+            content_regex => undef,
+            content_descr => undef,
+            default => '',
+        },
+
+    };
+}
+
+sub installationPhase
+{
+    my $self = shift;
+    my $info = shift;
+    
+    my $pluginRepositoryPath = $info->{'plugin-repo-path'};
+    my $pluginTempPath       = $info->{'plugin-temp-path'};
+    my $openslxBasePath      = $info->{'openslx-base-path'};
+
+    # should we distinguish between the two different packages!?
+    # libvnc should be part of the xorg package!? (so no check needed)
+    #my $engine = $self->{'os-plugin-engine'};
+    #if (!isInPath('pvs')) {
+    #    $engine->installPackages(
+    #        $engine->getInstallablePackagesForSelection('pvs')
+    #    );
+    #} else {
+    #    vlog(3, "pvs is already installed");
+    #}
+
+    # get path of files we need to install
+    my $pluginFilesPath = "$openslxBasePath/lib/plugins/$self->{'name'}/files";
+    my $script = $self->{distro}->fillRunlevelScript();
+
+    # copy all needed files now
+    copyFile("$pluginFilesPath/*", "$pluginRepositoryPath");
+
+    # link these files
+
+    #chmod 0755, "/etc/init.d/pvs";
+
+}
+
+sub removalPhase
+{
+    my $self = shift;
+    my $info = shift;
+}
+
+1;
diff --git a/src/os-plugins/plugins/pvs/XX_pvs.sh b/src/os-plugins/plugins/pvs/XX_pvs.sh
new file mode 100644
index 00000000..9a86574f
--- /dev/null
+++ b/src/os-plugins/plugins/pvs/XX_pvs.sh
@@ -0,0 +1,46 @@
+# Copyright (c) 2009..2010 - RZ Uni Freiburg
+# Copyright (c) 2009..2010 - OpenSLX GmbH
+#
+# This program/file is free software distributed under the GPL version 2.
+# See http://openslx.org/COPYING
+#
+# If you have any feedback please consult http://openslx.org/feedback and
+# send your feedback to feedback@openslx.org
+#
+# General information about OpenSLX can be found at http://openslx.org
+#
+# Script is included from init via the "." load function - thus it has all
+# variables and functions available
+
+# Check if the plugin config directory is generally available or if the client
+# configuration failed somehow
+[ -d /initramfs/plugin-conf ] || error "${init_picfg}" nonfatal
+
+# main script
+if [ -e /initramfs/plugin-conf/pvs.conf ]; then
+  . /initramfs/plugin-conf/pvs.conf
+  if [ $pvs_active -ne 0 ]; then
+    [ $DEBUGLEVEL -gt 0 ] && echo "executing the 'pvs' os-plugin ...";
+    # location of central pvs configuration files
+    testmkdi /mnt/etc/openslx/pvs
+
+    # add it to the Xserver script (?)
+
+    # link the executables
+    #for tool in poolVS poolVSClient VNCwrapper ; do
+    #  ln -s /opt/openslx/plugin-repo/pvs/${tool} /mnt/var/X11R6/bin/${tool}
+    #done
+
+    # write config file
+    #echo "# parameters generated by $0" > /mnt/etc/pvs/pvs.conf
+    #echo "pvs_PARAMS=\"$PARAMS\"" >> /mnt/etc/pvs/pvs.conf
+    #echo "pvs_X11=\"$pvs_X11\"" >> /mnt/etc/pvs/pvs.conf
+
+    [ $DEBUGLEVEL -gt 0 ] && echo "done with 'pvs' os-plugin ...";
+
+    fi
+  fi
+else
+  [ $DEBUGLEVEL -gt 2 ] && \
+    echo "No configuration file found for pvs plugin."
+fi
diff --git a/src/os-plugins/plugins/pvs/files/pvs-vncsrv b/src/os-plugins/plugins/pvs/files/pvs-vncsrv
new file mode 100755
index 00000000..966bf1df
--- /dev/null
+++ b/src/os-plugins/plugins/pvs/files/pvs-vncsrv
@@ -0,0 +1,105 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Copyright (c) 2009 - RZ Uni FR
+# Copyright (c) 2009 - 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/
+# -----------------------------------------------------------------------------
+# pvs-vncsrv
+#    - This is a generic wrapper script for starting any userspace VNC server
+#      to offer connectivity from the pvs contol console. The script expects
+#      start/stop in $1, the port to start on in $2 and the password in $3. The
+#      latter one should be changed to piping for security reasons ...
+# -----------------------------------------------------------------------------
+
+# parameters for x11vnc
+X11VNC_PARAMS="-bg -forever -display :0 -passwdfile rm:$HOME/.pvs/vncpasswd -o $HOME/.pvs/log.vncsrv -shared"
+X11VNC_X11="0"
+
+# at the moment the poolVSClient is expected to use the ~/.pvs directory
+[ -d ~/.pvs ] || mkdir ~/.pvs
+
+# write the password file
+echo -e "$3\n__BEGIN_VIEWONLY__\n$3" > ~/.pvs/vncpasswd
+
+# find xauthority file
+find_xauth () {
+  FOUND=0
+  RETRIES=4
+  [ -z "$1" ] || RETRIES="$1"
+
+  [ -e "/var/lib/kdm/" ] && 
+     XAUTHFILE_KDM=`find /var/lib/kdm/ -iname "A\:0-*"`
+  [ -e "/var/run/xauth/" ] && 
+     XAUTHFILE_KDM2=$(find /var/run/xauth/ -iname "A\:0-*")
+  [ -e "/var/lib/xdm/authdir/authfiles/" ] && 
+     XAUTHFILE_XDM=$(find /var/lib/xdm/authdir/authfiles/ -iname "A\:0-*")
+  [ -e "/var/lib/gdm/" ] && 
+     XAUTHFILE_GDM=$(find /var/lib/gdm/ -iname *Xauth*)
+  
+  [ -f "$XAUTHFILE_KDM" ]  && FOUND=1 && XAUTHORITY="$XAUTHFILE_KDM"
+  [ -f "$XAUTHFILE_KDM2" ] && FOUND=1 && XAUTHORITY="$XAUTHFILE_KDM2"
+  [ -f "$XAUTHFILE_XDM" ]  && FOUND=1 && XAUTHORITY="$XAUTHFILE_XDM"
+  [ -f "$XAUTHFILE_GDM" ]  && FOUND=1 && XAUTHORITY="$XAUTHFILE_GDM"
+
+  if [ "$FOUND" -eq "0" ]; then
+    if [ "$RETRIES" -gt "0" ]; then
+      let "RETRIES-=1"
+      find_xauth "$RETRIES"
+    else
+      echo "start FAILED (can't find way to authenticate myself against X)" \
+        >>~/.pvs/log.vncsrv
+      exit -1
+    fi
+  else
+    echo "found authfile ($XAUTHORITY)" >>~/.pvs/log.vncsrv
+  fi
+}
+
+START_COMMAND="x11vnc"
+
+case "$1" in
+  start)
+    [ -z "$2" -o -z "$3" ] && echo " Port and/or Password not set" \
+      >>~/.pvs/log.vncsrv
+    echo "$2 $3" >>~/.pvs/log.test
+    if [ ! -f ~/.pvs/vncpasswd ]; then
+      echo " Start FAILED (~/.pvs/vncpasswd not found)" >>~/.pvs/log.vncsrv
+      echo " Create it manualy and retry starting x11vnc" >>~/.pvs/log.vncsrv
+      exit -1;
+    fi
+
+    if [ $X11VNC_X11 = 1 ]; then
+      # find_xauth
+      START_COMMAND="$START_COMMAND -auth $XAUTHORITY $X11VNC_PARAMS"
+    else
+      START_COMMAND="$START_COMMAND $X11VNC_PARAMS"
+    fi
+    OUTPUT=$($START_COMMAND -rfbport $2)
+    echo "$START_COMMAND" >>~/.pvs/log.vncsrv
+    echo "$OUTPUT" >>~/.pvs/log.vncsrv
+  ;;
+  stop)
+    pid=$(pidof x11vnc)
+    if [ -z "$pid" ]
+    then
+     echo "x11vnc not running" >>~/.pvs/log.vncsrv
+     exit -1;
+    else
+     kill -9 $pid 2>/dev/null
+    echo "x11vnc stopped" >>~/.pvs/log.vncsrv
+    fi
+  ;;
+  *)
+    echo "x11vnc startscript"
+    echo "Usage: $0 (start|stop)" 
+  ;;
+esac
+exit 0
+