diff --git a/manifests/api.pp b/manifests/api.pp
index bc1bcc7cd..3deef1524 100644
--- a/manifests/api.pp
+++ b/manifests/api.pp
@@ -48,10 +48,6 @@
 #   (optional) Number of workers for metadata service
 #   Defaults to $::os_workers
 #
-# [*instance_name_template*]
-#   (optional) Template string to be used to generate instance names
-#   Defaults to $::os_service_default
-#
 # [*sync_db*]
 #   (optional) Run nova-manage db sync on api nodes after installing the package.
 #   Defaults to true
@@ -176,6 +172,10 @@
 #   enable this if you have a sanitizing proxy.
 #   Defaults to undef
 #
+# [*instance_name_template*]
+#   (optional) Template string to be used to generate instance names
+#   Defaults to undef
+#
 class nova::api(
   $enabled                                     = true,
   $manage_service                              = true,
@@ -191,7 +191,6 @@ class nova::api(
   $sync_db                                     = true,
   $sync_db_api                                 = true,
   $db_online_data_migrations                   = false,
-  $instance_name_template                      = $::os_service_default,
   $service_name                                = $::nova::params::api_service_name,
   $metadata_service_name                       = $::nova::params::api_metadata_service_name,
   $enable_proxy_headers_parsing                = $::os_service_default,
@@ -214,6 +213,7 @@ class nova::api(
   $validate                                    = undef,
   $validation_options                          = undef,
   $use_forwarded_for                           = undef,
+  $instance_name_template                      = undef,
 ) inherits nova::params {
 
   include nova::deps
@@ -238,8 +238,19 @@ class nova::api(
     warning('The use_forwarded_for parameter has been deprecated.')
   }
 
-  nova_config {
-    'DEFAULT/instance_name_template': value => $instance_name_template;
+  if $instance_name_template != undef {
+    warning("The nova::api::instance_name_template parameter is deprecated. \
+Use the nova::instance_name_template parameter instead.")
+    nova_config {
+      'DEFAULT/instance_name_template': value => $instance_name_template;
+    }
+  } else {
+    # Try best to clean up the parameter
+    if defined(Class['nova']) and $::nova::instance_name_template == undef {
+      nova_config {
+        'DEFAULT/instance_name_template': value => $::os_service_default;
+      }
+    }
   }
 
   # enable metadata in eventlet if we do not run metadata via wsgi (nova::metadata)
diff --git a/manifests/init.pp b/manifests/init.pp
index 3a44d7d68..a87ab918b 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -352,6 +352,10 @@
 #   (optional) domain to use for building the hostnames
 #   Defaults to $::os_service_default
 #
+# [*instance_name_template*]
+#   (optional) Template string to be used to generate instance names
+#   Defaults to undef
+#
 # DEPRECATED PARAMETERS
 #
 # [*auth_strategy*]
@@ -440,6 +444,7 @@ class nova(
   $purge_config                           = false,
   $my_ip                                  = $::os_service_default,
   $dhcp_domain                            = $::os_service_default,
+  $instance_name_template                 = undef,
   # DEPRECATED PARAMETERS
   $auth_strategy                          = undef,
   $upgrade_level_cert                     = undef,
@@ -572,6 +577,14 @@ but should be one of: ssh-rsa, ssh-dsa, ssh-ecdsa.")
     'DEFAULT/dhcp_domain':                   value => $dhcp_domain;
   }
 
+  # TODO(tkajinam): Change the default value to $::os_service_default when we
+  #                 remove nova::api::instance_name_template after Antelope.
+  if $instance_name_template != undef {
+    nova_config {
+      'DEFAULT/instance_name_template': value => $instance_name_template;
+    }
+  }
+
   oslo::messaging::rabbit {'nova_config':
     rabbit_use_ssl              => $rabbit_use_ssl,
     heartbeat_timeout_threshold => $rabbit_heartbeat_timeout_threshold,
diff --git a/releasenotes/notes/move-instance_name_template-to-base-52516c9df907a8c6.yaml b/releasenotes/notes/move-instance_name_template-to-base-52516c9df907a8c6.yaml
new file mode 100644
index 000000000..681fde366
--- /dev/null
+++ b/releasenotes/notes/move-instance_name_template-to-base-52516c9df907a8c6.yaml
@@ -0,0 +1,6 @@
+---
+deprecations:
+  - |
+    The ``nova::api::instance_name_template`` parameter has been deprecated.
+    Use the ``nova::instance_name_template`` parameter instead so that
+    the option is configured for all nova services.
diff --git a/spec/classes/nova_init_spec.rb b/spec/classes/nova_init_spec.rb
index 66eab77c0..af910e8ab 100644
--- a/spec/classes/nova_init_spec.rb
+++ b/spec/classes/nova_init_spec.rb
@@ -101,6 +101,9 @@ describe 'nova' do
         is_expected.to contain_nova_config('console/ssl_ciphers').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_nova_config('console/ssl_minimum_version').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_nova_config('DEFAULT/dhcp_domain').with_value('<SERVICE DEFAULT>')
+        # TODO(tkajinam): Uncomment this when we change default value of
+        #                 nova::instance_name_template
+        # is_expected.to contain_nova_config('DEFAULT/instance_name_template').with_value('<SERVICE DEFAULT>')
       end
 
     end
@@ -160,7 +163,7 @@ describe 'nova' do
           :console_ssl_ciphers                     => 'kEECDH+aECDSA+AES:kEECDH+AES+aRSA:kEDH+aRSA+AES',
           :console_ssl_minimum_version             => 'tlsv1_2',
           :dhcp_domain                             => 'foo',
-
+          :instance_name_template                  => 'instance-%08x',
         }
       end
 
@@ -253,6 +256,7 @@ describe 'nova' do
         is_expected.to contain_nova_config('console/ssl_ciphers').with_value('kEECDH+aECDSA+AES:kEECDH+AES+aRSA:kEDH+aRSA+AES')
         is_expected.to contain_nova_config('console/ssl_minimum_version').with_value('tlsv1_2')
         is_expected.to contain_nova_config('DEFAULT/dhcp_domain').with_value('foo')
+        is_expected.to contain_nova_config('DEFAULT/instance_name_template').with_value('instance-%08x');
       end
 
       context 'with multiple notification_driver' do