From 49ad4850c8d5be9c90b10f118853e0288997405d Mon Sep 17 00:00:00 2001
From: Dan Smith <dansmith@redhat.com>
Date: Wed, 15 Jul 2020 14:54:22 -0700
Subject: [PATCH] Only set hw_rng_model by default if we're on libvirt

This makes no sense to set on _every_ devstack deployment, only
if we are using libvirt qemu or kvm. Make it conditional.

Change-Id: I860e899274646ff73b8f084a0583325239aee9cc
---
 functions | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/functions b/functions
index e687a9848d..c34e4874b3 100644
--- a/functions
+++ b/functions
@@ -324,7 +324,16 @@ function upload_image {
     local disk_format=""
     local container_format=""
     local unpack=""
-    local img_property="hw_rng_model=virtio"
+    local img_property=""
+
+    # NOTE(danms): If we're on libvirt/qemu or libvirt/kvm, set the hw_rng_model
+    # to libvirt in the image properties.
+    if [[ "$VIRT_DRIVER" == "libvirt" ]]; then
+        if [[ "$LIBVIRT_TYPE" == "qemu" || "$LIBVIRT_TYPE" == "kvm" ]]; then
+            img_property="hw_rng_model=virtio"
+        fi
+    fi
+
     case "$image_fname" in
         *.tar.gz|*.tgz)
             # Extract ami and aki files