From: Marc Fiuczynski <mef@cs.princeton.edu>
Date: Wed, 21 Nov 2007 18:49:51 +0000 (+0000)
Subject: added optimization: check if we can create new vserver from a reference image
X-Git-Tag: 4.2-rc2~487
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=90b515c541e3262b97fc922e3d324bed617b3128;p=build.git

added optimization: check if we can create new vserver from a reference image
---

diff --git a/vbuild-init-vserver.sh b/vbuild-init-vserver.sh
index 54a33b6c..518c0a31 100755
--- a/vbuild-init-vserver.sh
+++ b/vbuild-init-vserver.sh
@@ -54,7 +54,14 @@ function setup_vserver () {
     personality=$1; shift
 
     # create the new vserver
-    [ ! -d /etc/vservers/$vserver ] && $personality vserver $VERBOSE $vserver build -m yum -- -d $fcdistro
+    if [ ! -d /etc/vservers/$vserver ] ; then
+	# check if we can create the vserver from a reference vserver
+	if [ ! -d /vserver/${fcdistro}_reference ] ; then
+	    $personality vserver $VERBOSE $vserver build -m clone -- --source /vserver/${fcdistro}_reference
+	else
+	    $personality vserver $VERBOSE $vserver build -m yum -- -d $fcdistro
+	fi
+    fi
 
     if [ ! -z "$personality" ] ; then
 	l32=$(grep $personality /etc/vservers/$vserver/personality | wc -l)
@@ -82,7 +89,6 @@ function setup_vserver () {
 
     # set up resolv.conf
     cp /etc/resolv.conf /vservers/$vserver/etc/resolv.conf
-
 }
 
 function devel_tools () {