From e66413628d95f8c9d91a2080768501946c0d5514 Mon Sep 17 00:00:00 2001
From: Michael Janczyk
Date: Tue, 11 Dec 2012 17:20:53 +0100
Subject: sysrqshutdown plugin changed. now there is a second script which does
 the sysrq requests which is started with nohup, so that one can logout from
 ssh first

---
 .../OpenSLX/OSPlugin/sysrqshutdown.pm              |  3 +-
 .../plugins/sysrqshutdown/files/shutdown           | 29 +++++-----------
 .../plugins/sysrqshutdown/files/sysrqshutdown.sh   | 39 ++++++++++++++++++++++
 3 files changed, 50 insertions(+), 21 deletions(-)
 create mode 100644 src/os-plugins/plugins/sysrqshutdown/files/sysrqshutdown.sh

(limited to 'src')

diff --git a/src/os-plugins/plugins/sysrqshutdown/OpenSLX/OSPlugin/sysrqshutdown.pm b/src/os-plugins/plugins/sysrqshutdown/OpenSLX/OSPlugin/sysrqshutdown.pm
index bfc274d4..c30ec5dc 100644
--- a/src/os-plugins/plugins/sysrqshutdown/OpenSLX/OSPlugin/sysrqshutdown.pm
+++ b/src/os-plugins/plugins/sysrqshutdown/OpenSLX/OSPlugin/sysrqshutdown.pm
@@ -78,7 +78,8 @@ sub installationPhase
     if (! -e "/sbin/shutdown.slxorig") {
         system("mv /sbin/shutdown /sbin/shutdown.slxorig");
         system("cp -p $pluginBasePath/shutdown /sbin/;
-          cp -p $pluginBasePath/shutdown /opt/openslx/plugin-repo/$pluginName");
+          cp -p $pluginBasePath/shutdown $pluginBasePath/sysrqshutdown.sh \
+            /opt/openslx/plugin-repo/$pluginName");
         chmod 0755, "/sbin/shutdown";
     }
     # else assume reinstall
diff --git a/src/os-plugins/plugins/sysrqshutdown/files/shutdown b/src/os-plugins/plugins/sysrqshutdown/files/shutdown
index a27481d7..1866d516 100644
--- a/src/os-plugins/plugins/sysrqshutdown/files/shutdown
+++ b/src/os-plugins/plugins/sysrqshutdown/files/shutdown
@@ -1,7 +1,7 @@
 #!/bin/bash
 # -----------------------------------------------------------------------------
 # Copyright (c) 2010 - RZ Uni FR
-# Copyright (c) 2010 - OpenSLX GmbH
+# Copyright (c) 2010 - 2012 OpenSLX GmbH
 #
 # This program is free software distributed under the GPL version 2.
 # See http://openslx.org/COPYING
@@ -12,7 +12,7 @@
 # General information about OpenSLX can be found at http://openslx.org/
 # -----------------------------------------------------------------------------
 # shutdown
-#    - Script for SYSRQ shutdown
+#    - Script which prepares for SYSRQ shutdown
 ################################################################################
 
 . /etc/opt/openslx/openslx.conf
@@ -22,30 +22,19 @@
 ################################################################################
 
 PLUGINCONFROOT=${OPENSLX_DEFAULT_CONFDIR}/plugins
-PLUGINCONFVMGRID=${PLUGINCONFROOT}/sysrqshutdown
-# include general configuration from vmgrid
-if [ -f ${PLUGINCONFVMGRID}/sysrqshutdown.conf ]; then
-  . ${PLUGINCONFVMGRID}/sysrqshutdown.conf
+PLUGINCONFSYSRQ=${PLUGINCONFROOT}/sysrqshutdown
+PLUGINDIR=${OPENSLX_DEFAULT_DIR}/plugin-repo/sysrqshutdown
+
+# include general configuration from sysrqshutdown
+if [ -f ${PLUGINCONFSYSRQ}/sysrqshutdown.conf ]; then
+  . ${PLUGINCONFSYSRQ}/sysrqshutdown.conf
 else
   sysrqshutdown_active=0
 fi
 
 if [ ${sysrqshutdown_active} -eq 1 ]; then
-  # check if reboot or halt
-  if echo "$@" | grep -qe '-r now'; then 
-    for i in $(echo s u b); do
-        echo $i > /proc/sysrq-trigger &
-    done
-    exit 0
-  elif echo "$@" | grep -qe '-h now'; then
-    for i in $(echo s u o); do
-      echo $i > /proc/sysrq-trigger &
-    done
-    exit 0
-  fi
+  nohup ${PLUGINDIR}/sysrqshutdown.sh $@ 2>/dev/null &
 fi
-# else use orig shutdown
-shutdown.slxorig $@
 
 exit 0
 
diff --git a/src/os-plugins/plugins/sysrqshutdown/files/sysrqshutdown.sh b/src/os-plugins/plugins/sysrqshutdown/files/sysrqshutdown.sh
new file mode 100644
index 00000000..7e575ed3
--- /dev/null
+++ b/src/os-plugins/plugins/sysrqshutdown/files/sysrqshutdown.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Copyright (c) 2010 - RZ Uni FR
+# Copyright (c) 2010 - 2012 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/
+# -----------------------------------------------------------------------------
+# sysrqshutdown.sh
+#    - Script for SYSRQ shutdown
+################################################################################
+
+# check if reboot or halt, else use orig shutdown
+if echo "$@" | grep -qe '-r now'
+  then 
+  echo "Rebooting $(hostname) (sysrq)!"
+  rq_opt="b"
+elif echo "$@" | grep -qe '-h now'
+  then
+  echo "Shutting down $(hostname) (sysrq)!"
+  rq_opt="o"
+else
+  shutdown.slxorig $@ &
+  exit 0
+fi
+
+echo s >/proc/sysrq-trigger
+sleep 1
+echo u >/proc/sysrq-trigger
+(sleep 3 >/dev/null; echo ${rq_opt} >/proc/sysrq-trigger) &
+killall sshd >/dev/null 2>&1
+
+exit 0
+
-- 
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