diff --git a/manifests/compute/libvirt.pp b/manifests/compute/libvirt.pp
index 69a925f82..2a23214a7 100644
--- a/manifests/compute/libvirt.pp
+++ b/manifests/compute/libvirt.pp
@@ -60,6 +60,10 @@
 #   (optional) Option to specify a default machine type per host architecture.
 #   Defaults to $::os_service_default
 #
+# [*sysinfo_serial*]
+#   (optional) Option to specify a serial number entry generation method.
+#   Defaults to $::os_service_default
+#
 # [*libvirt_inject_password*]
 #   (optional) Inject the admin password at boot time, without an agent.
 #   Defaults to false
@@ -216,6 +220,7 @@ class nova::compute::libvirt (
   $libvirt_disk_cachemodes                    = [],
   $libvirt_hw_disk_discard                    = $::os_service_default,
   $libvirt_hw_machine_type                    = $::os_service_default,
+  $sysinfo_serial                             = $::os_service_default,
   $libvirt_inject_password                    = false,
   $libvirt_inject_key                         = false,
   $libvirt_inject_partition                   = -2,
@@ -343,6 +348,7 @@ class nova::compute::libvirt (
     'libvirt/inject_partition':         value => $libvirt_inject_partition;
     'libvirt/hw_disk_discard':          value => $libvirt_hw_disk_discard;
     'libvirt/hw_machine_type':          value => $libvirt_hw_machine_type;
+    'libvirt/sysinfo_serial':           value => $sysinfo_serial;
     'libvirt/enabled_perf_events':      value => join(any2array($libvirt_enabled_perf_events), ',');
     'libvirt/rx_queue_size':            value => $rx_queue_size;
     'libvirt/tx_queue_size':            value => $tx_queue_size;
diff --git a/releasenotes/notes/libvirt_sysinfo_serial-e1603d45446726c3.yaml b/releasenotes/notes/libvirt_sysinfo_serial-e1603d45446726c3.yaml
new file mode 100644
index 000000000..c6660a8df
--- /dev/null
+++ b/releasenotes/notes/libvirt_sysinfo_serial-e1603d45446726c3.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Add ``sysinfo_serial`` parameter to control a Serial number entry generation
+    method. Defaults to ``$::os_service_default``.
diff --git a/spec/classes/nova_compute_libvirt_spec.rb b/spec/classes/nova_compute_libvirt_spec.rb
index 5f9987666..4467b48b5 100644
--- a/spec/classes/nova_compute_libvirt_spec.rb
+++ b/spec/classes/nova_compute_libvirt_spec.rb
@@ -56,6 +56,7 @@ describe 'nova::compute::libvirt' do
       it { is_expected.to contain_nova_config('libvirt/inject_password').with_value(false)}
       it { is_expected.to contain_nova_config('libvirt/inject_key').with_value(false)}
       it { is_expected.to contain_nova_config('libvirt/inject_partition').with_value(-2)}
+      it { is_expected.to contain_nova_config('libvirt/sysinfo_serial').with_value('<SERVICE DEFAULT>')}
       it { is_expected.to contain_nova_config('vnc/server_listen').with_value('127.0.0.1')}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_base_images').with_ensure('absent')}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_original_minimum_age_seconds').with_ensure('absent')}
@@ -85,6 +86,7 @@ describe 'nova::compute::libvirt' do
           :libvirt_disk_cachemodes                    => ['file=directsync','block=none'],
           :libvirt_hw_disk_discard                    => 'unmap',
           :libvirt_hw_machine_type                    => 'x86_64=machinetype1,armv7l=machinetype2',
+          :sysinfo_serial                             => 'auto',
           :libvirt_enabled_perf_events                => ['cmt', 'mbml', 'mbmt'],
           :remove_unused_base_images                  => true,
           :remove_unused_resized_minimum_age_seconds  => 3600,
@@ -122,6 +124,7 @@ describe 'nova::compute::libvirt' do
       it { is_expected.to contain_nova_config('libvirt/disk_cachemodes').with_value('file=directsync,block=none')}
       it { is_expected.to contain_nova_config('libvirt/hw_disk_discard').with_value('unmap')}
       it { is_expected.to contain_nova_config('libvirt/hw_machine_type').with_value('x86_64=machinetype1,armv7l=machinetype2')}
+      it { is_expected.to contain_nova_config('libvirt/sysinfo_serial').with_value('auto')}
       it { is_expected.to contain_nova_config('libvirt/enabled_perf_events').with_value('cmt,mbml,mbmt')}
       it { is_expected.to contain_nova_config('vnc/server_listen').with_value('0.0.0.0')}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_base_images').with_value(true)}