Generate checkpoint key and store it into the image, ckpt script could ust it after boot

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@12494 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200

@@ -88,6 +88,14 @@ if [ "$OS" != "AIX" ]; then
     fi
 fi
 
+#Generate checkpoint key and store it into the image, ckpt script could ust it after boot.
+if [ "$OS" != "AIX" ]; then
+    KEY=$(date | sha1sum | awk '{ print $1 }')
+    # KEY=$(dd if=/dev/random bs=1 | sha1sum | awk '{ print $1 }')
+    echo $KEY > $installroot/root/.ckpt.key
+    chmod 400  $installroot/root/.ckpt.key
+fi
+
 
 # BSR configuration, uncomment the following lines to enable BSR configuration on Power Linux cluter.  
 #if [ "$OS" != "AIX" ]; then