commit 77622dcd193849bb52641e685d9e822356515130
Author: Takashi Kajinami <tkajinam@redhat.com>
Date:   Thu Sep 17 23:38:17 2020 +0900

    Cleanup device addresses of vgpu type when empty
    
    This change makes sure that device_addresses parameter is unset when
    empty list of device addresses is associated with a vgpu type, so that
    unmanaged parameter is not left.
    
    Change-Id: Id6a354401b3233d3a17081d97a1a0e25f24d3219
    (cherry picked from commit 851dc512e19b1a20067865f1689ee3b4b13d65b6)

diff --git a/manifests/compute/vgpu.pp b/manifests/compute/vgpu.pp
index 9ccea4a..727a667 100644
--- a/manifests/compute/vgpu.pp
+++ b/manifests/compute/vgpu.pp
@@ -48,6 +48,10 @@ and vgpu_types_device_addresses_mapping are defined.')
         nova_config {
           "vgpu_${vgpu_type}/device_addresses": value => join(any2array($device_addresses), ',');
         }
+      } else {
+        nova_config {
+          "vgpu_${vgpu_type}/device_addresses": ensure => absent;
+        }
       }
     }
   } else {
diff --git a/spec/classes/nova_compute_vgpu_spec.rb b/spec/classes/nova_compute_vgpu_spec.rb
index 224cf19..c817e38 100644
--- a/spec/classes/nova_compute_vgpu_spec.rb
+++ b/spec/classes/nova_compute_vgpu_spec.rb
@@ -29,6 +29,7 @@ describe 'nova::compute::vgpu' do
         }
       end
       it { is_expected.to contain_nova_config('devices/enabled_vgpu_types').with_value('nvidia-35') }
+      it { is_expected.to contain_nova_config('vgpu_nvidia-35/device_addresses').with_ensure('absent') }
     end
 
     context 'with multiple vgpu devices' do