diff --git a/manifests/init.pp b/manifests/init.pp
index d46b2d4a..4f9aa037 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -84,6 +84,12 @@
 #   Defaults to undef
 #  [*admin_domain_name*]
 #   Defaults to $::os_service_default
+#  [*admin_user_domain_name*]
+#   Defaults to $::os_service_default
+#  [*admin_project_domain_name*]
+#   Defaults to $::os_service_default
+#  [*default_credentials_domain_name*]
+#   Defaults to $::os_service_default
 #  [*image_ref*]
 #   Defaults to undef
 #  [*image_ref_alt*]
@@ -280,6 +286,9 @@ class tempest(
   $admin_project_name               = undef,
   $admin_role                       = undef,
   $admin_domain_name                = $::os_service_default,
+  $admin_user_domain_name           = $::os_service_default,
+  $admin_project_domain_name        = $::os_service_default,
+  $default_credentials_domain_name  = $::os_service_default,
   # roles fo the users created by tempest
   $tempest_roles                    = $::os_service_default,
   # image information
@@ -487,6 +496,9 @@ class tempest(
 
   tempest_config {
     'auth/admin_domain_name':                          value => $admin_domain_name;
+    'auth/admin_project_domain_name':                  value => $admin_project_domain_name;
+    'auth/admin_user_domain_name':                     value => $admin_user_domain_name;
+    'auth/default_credentials_domain_name':            value => $default_credentials_domain_name;
     'auth/admin_password':                             value => $admin_password, secret => true;
     'auth/admin_project_name':                         value => $admin_project_name;
     'auth/admin_username':                             value => $admin_username;
diff --git a/releasenotes/notes/more-domain-opts-18bc20a84df84324.yaml b/releasenotes/notes/more-domain-opts-18bc20a84df84324.yaml
new file mode 100644
index 00000000..05c9a38a
--- /dev/null
+++ b/releasenotes/notes/more-domain-opts-18bc20a84df84324.yaml
@@ -0,0 +1,8 @@
+---
+features:
+  - |
+    The following two parameters have been added to the ``tempest`` class.
+
+    - ``admin_project_domain_name``
+    - ``admin_user_domain_name``
+    - ``default_credentials_domain_name``
diff --git a/spec/classes/tempest_init_spec.rb b/spec/classes/tempest_init_spec.rb
index 61c4e1cc..d089418a 100644
--- a/spec/classes/tempest_init_spec.rb
+++ b/spec/classes/tempest_init_spec.rb
@@ -196,6 +196,9 @@ describe 'tempest' do
 
         it 'configure tempest config' do
           is_expected.to contain_tempest_config('auth/admin_domain_name').with(:value => '<SERVICE DEFAULT>')
+          is_expected.to contain_tempest_config('auth/admin_project_domain_name').with(:value => '<SERVICE DEFAULT>')
+          is_expected.to contain_tempest_config('auth/admin_user_domain_name').with(:value => '<SERVICE DEFAULT>')
+          is_expected.to contain_tempest_config('auth/default_credentials_domain_name').with(:value => '<SERVICE DEFAULT>')
           is_expected.to contain_tempest_config('auth/admin_password').with_secret( true )
           is_expected.to contain_tempest_config('auth/admin_project_name').with(:value => nil)
           is_expected.to contain_tempest_config('auth/admin_username').with(:value => nil)