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From: lhh@sourceware.org <lhh@sourceware.org>
Date: 22 Jul 2008 15:02:05 -0000
Subject: [Cluster-devel] Cluster Project branch, master,
	updated. cluster-2.99.06-45-ga4abbf1
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- Log -----------------------------------------------------------------
commit a4abbf1dbfd3287ae70f3177d7d878919d80373b
Author: Lon Hohberger <lhh@redhat.com>
Date:   Tue Jul 22 11:01:53 2008 -0400

    [rgmanager] Add optional save/restore to vm resource
    
    This patch adds optional save/restore support to virtual machines.
    Patch Federico Simoncelli federico dot simoncelli at gmail dot com

-----------------------------------------------------------------------

Summary of changes:
 rgmanager/src/resources/vm.sh |   30 ++++++++++++++++++++++++++++++
 1 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/rgmanager/src/resources/vm.sh b/rgmanager/src/resources/vm.sh
index 15e1f2a..e72cbbb 100644
--- a/rgmanager/src/resources/vm.sh
+++ b/rgmanager/src/resources/vm.sh
@@ -211,6 +211,18 @@ meta_data()
             <content type="string" default="live"/>
         </parameter>
 
+	<parameter name="snapshot">
+	    <longdesc lang="en">
+	    	Path to the snapshot directory where the virtual machine
+		image will be stored.
+	    </longdesc>
+	    <shortdesc lang="en">
+	    	Path to the snapshot directory where the virtual machine
+		image will be stored.
+	    </shortdesc>
+            <content type="string" default=""/>
+        </parameter>
+
         <parameter name="depend">
             <longdesc lang="en">
 		Top-level service this depends on, in "service:name" format.
@@ -346,6 +358,8 @@ build_xm_cmdline()
 			;;
 		migrate)
 			;;
+		snapshot)
+			;;
 		*)
 			cmdline="$cmdline $varp=\"$val\""
 			;;
@@ -370,9 +384,21 @@ do_start()
 	# doesn't exist...
 	#
 	declare cmdline
+	declare snapshotimage
 
 	status && return 0
 
+	snapshotimage="$OCF_RESKEY_snapshot/$OCF_RESKEY_name"
+
+        if [ -n "$OCF_RESKEY_snapshot" -a -f "$snapshotimage" ]; then
+		eval xm restore $snapshotimage
+		if [ $? -eq 0 ]; then
+			rm -f $snapshotimage
+			return 0
+		fi
+		return 1
+	fi
+
 	cmdline="`build_xm_cmdline`"
 
 	echo "# xm command line: $cmdline"
@@ -392,6 +418,10 @@ do_stop()
 	declare -i ret=1
 	declare st
 
+	if [ -n "$OCF_RESKEY_snapshot" ]; then
+		xm save $OCF_RESKEY_name "$OCF_RESKEY_snapshot/$OCF_RESKEY_name"
+	fi
+
 	for op in $*; do
 		echo xm $op $OCF_RESKEY_name ...
 		xm $op $OCF_RESKEY_name


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