Add support for zesty cloud-init by setting product_name

Change-Id: Ibc6fc11173a0e1388dbcd5b9e384e6d2e20360e3

nova/tests/unit/virt/lxd/test_driver.py

@@ -1282,6 +1282,7 @@ class LXDDriverTest(test.NoDBTestCase):
 
         config = lxd_driver.config_instance_options({}, instance)
         self.assertEqual({'security.idmap.isolated': 'True',
+                          'environment.product_name': 'OpenStack Nova',
                           'boot.autostart': 'True'}, config)
 
     def test_container_isolated_unsupported(self):

nova/virt/lxd/driver.py

@@ -1418,6 +1418,7 @@ class LXDDriver(driver.ComputeDriver):
 
         # Set the container to autostart when the host reboots
         config['boot.autostart'] = 'True'
+        config['environment.product_name'] = 'OpenStack Nova'
 
         # Determine if we require a nested container
         flavor = instance.flavor