Add uefi capabilities to nodes.json

Add support and details on how to boot baremetal instances
with UEFI firmware.

README.rst

@@ -105,6 +105,10 @@ Preparing the Host Cloud Environment
    .. note:: os_shutdown_timeout=5 is to avoid server shutdown delays since
              since these servers won't respond to graceful shutdown requests.
 
+   .. note:: On a UEFI enabled openstack cloud, to boot the baremetal instances
+             with uefi (instead of the default bios firmware) the image should
+             be created with the parameters --property="hw_firmware_type=uefi".
+
 #. Upload a CentOS 7 image for use as the base image::
 
     wget http://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.qcow2

openstack_virtual_baremetal/build_nodes_json.py

@@ -140,6 +140,13 @@ def _build_nodes(nova, bmc_ports, bm_ports, provision_net):
         # NOTE(bnemec): Older versions of Ironic won't allow _ characters in
         # node names, so translate to the allowed character -
         node['name'] = baremetal.name.replace('_', '-')
+
+        # If a node has uefi firmware ironic needs to be aware of this, in nova
+        # this is set using a image property called "hw_firmware_type"
+        image = nova.images.get(baremetal.image['id'])
+        if image.metadata.get('hw_firmware_type') == 'uefi':
+            node['capabilities'] = node['capabilities'] + ",boot_mode:uefi"
+
         nodes.append(node)
     return nodes, bmc_bm_pairs