commit e53c6c2c28741561e59baf48ea42b7ab86b02386
Author: Ronelle Landy <rlandy@redhat.com>
Date:   Fri Oct 2 11:48:20 2020 -0400

    Add var to pass RHEL module streams in image builds
    
    https://opendev.org/openstack/diskimage-builder/commit/52993719574c72c6af2ed05d61f40056e9359b18
    added the option to specify the module streams when
    building images on RHEL.
    
    This review adds that option, if the var is
    defined.
    
    Change-Id: I7bea22440d2411dc5f3cff03aef330e3ef205772

diff --git a/roles/oooci-build-images/templates/build-images.sh.j2 b/roles/oooci-build-images/templates/build-images.sh.j2
index 5779d27..4d1a127 100644
--- a/roles/oooci-build-images/templates/build-images.sh.j2
+++ b/roles/oooci-build-images/templates/build-images.sh.j2
@@ -59,6 +59,12 @@ export DIB_YUM_REPO_CONF="/etc/yum.repos.d/delorean*"
 
 {% endif %}
 
+{% if dib_dnf_module_streams is defined %}
+
+export DIB_DNF_MODULE_STREAMS="{{ dib_dnf_module_streams }}"
+
+{% endif %}
+
 export DIB_DEBUG_TRACE=1
 
 openstack --debug overcloud image build {% if not build_all_images|bool %}--image-name {{ tripleo_image_type }}{% endif %} \