Support for running Nova with oslo.rootwrap daemon

Nova is being enhanced to use rootwrap as a daemon. For this effort,
we need an additional entry for nova-rootwrap-daemon in the
sudoers.d/ directory.

Needed by:
I57dc2efa39b86fa1fa20730ad70d056e87617c96

Change-Id: I80c7b9dd8e9e0f940aa4e54a95b241dfc40d3574
diff --git a/inc/rootwrap b/inc/rootwrap
index 411e5f7..f91e557 100644
--- a/inc/rootwrap
+++ b/inc/rootwrap
@@ -59,12 +59,16 @@
     sudo install -o root -g root -m 644 $rootwrap_conf_src_dir/rootwrap.conf /etc/${project}/rootwrap.conf
     sudo sed -e "s:^filters_path=.*$:filters_path=/etc/${project}/rootwrap.d:" -i /etc/${project}/rootwrap.conf
 
-    # Specify rootwrap.conf as first parameter to rootwrap
-    rootwrap_sudo_cmd="$rootwrap_bin /etc/${project}/rootwrap.conf *"
-
     # Set up the rootwrap sudoers
     local tempfile=$(mktemp)
+    # Specify rootwrap.conf as first parameter to rootwrap
+    rootwrap_sudo_cmd="${rootwrap_bin} /etc/${project}/rootwrap.conf *"
     echo "$STACK_USER ALL=(root) NOPASSWD: $rootwrap_sudo_cmd" >$tempfile
+    if [ -f ${bin_dir}/${project}-rootwrap-daemon ]; then
+        # rootwrap daemon does not need any parameters
+        rootwrap_sudo_cmd="${rootwrap_bin}-daemon /etc/${project}/rootwrap.conf"
+        echo "$STACK_USER ALL=(root) NOPASSWD: $rootwrap_sudo_cmd" >>$tempfile
+    fi
     chmod 0440 $tempfile
     sudo chown root:root $tempfile
     sudo mv $tempfile /etc/sudoers.d/${project}-rootwrap