diff --git a/manifests/keystone/auth.pp b/manifests/keystone/auth.pp
index 3d910356..a49a79b7 100644
--- a/manifests/keystone/auth.pp
+++ b/manifests/keystone/auth.pp
@@ -14,7 +14,7 @@
 #   Username for Cinder service. Optional. Defaults to 'cinder'.
 #
 # [*auth_name_v2*]
-#   Username for Cinder v2 service. Optional. Defaults to 'cinder2'.
+#   Username for Cinder v2 service. Optional. Defaults to 'cinderv2'.
 #
 # [*configure_endpoint*]
 #   Should Cinder endpoint be configured? Optional. Defaults to 'true'.
@@ -30,6 +30,16 @@
 #   Should the admin role be configured for the service user?
 #   Optional. Defaults to 'true'.
 #
+# [*service_name*]
+#   (optional) Name of the service.
+#   Defaults to the value of auth_name, but must differ from the value
+#   of service_name_v2.
+#
+# [*service_name_v2*]
+#   (optional) Name of the v2 service.
+#   Defaults to the value of auth_name_v2, but must differ from the value
+#   of service_name.
+#
 # [*service_type*]
 #    Type of service. Optional. Defaults to 'volume'.
 #
@@ -76,6 +86,8 @@ class cinder::keystone::auth (
   $configure_endpoint_v2 = true,
   $configure_user        = true,
   $configure_user_role   = true,
+  $service_name          = undef,
+  $service_name_v2       = undef,
   $service_type          = 'volume',
   $service_type_v2       = 'volumev2',
   $public_address        = '127.0.0.1',
@@ -88,15 +100,29 @@ class cinder::keystone::auth (
   $admin_protocol        = 'http',
   $internal_protocol     = 'http'
 ) {
+  if $service_name {
+    $real_service_name = $service_name
+  } else {
+    $real_service_name = $auth_name
+  }
+  if $service_name_v2 {
+    $real_service_name_v2 = $service_name_v2
+  } else {
+    $real_service_name_v2 = $auth_name_v2
+  }
 
-  keystone::resource::service_identity { $auth_name:
+  if $real_service_name == $real_service_name_v2 {
+    fail('cinder::keystone::auth parameters service_name and service_name_v2 must be different.')
+  }
+  keystone::resource::service_identity { 'cinder':
     configure_user      => $configure_user,
     configure_user_role => $configure_user_role,
     configure_endpoint  => $configure_endpoint,
     service_type        => $service_type,
     service_description => 'Cinder Service',
-    service_name        => $auth_name,
+    service_name        => $real_service_name,
     region              => $region,
+    auth_name           => $auth_name,
     password            => $password,
     email               => $email,
     tenant              => $tenant,
@@ -105,13 +131,13 @@ class cinder::keystone::auth (
     internal_url        => "${internal_protocol}://${internal_address}:${port}/${volume_version}/%(tenant_id)s",
   }
 
-  keystone::resource::service_identity { $auth_name_v2:
+  keystone::resource::service_identity { 'cinderv2':
     configure_user      => false,
     configure_user_role => false,
     configure_endpoint  => $configure_endpoint_v2,
     service_type        => $service_type_v2,
     service_description => 'Cinder Service v2',
-    service_name        => $auth_name_v2,
+    service_name        => $real_service_name_v2,
     region              => $region,
     public_url          => "${public_protocol}://${public_address}:${port}/v2/%(tenant_id)s",
     admin_url           => "${admin_protocol}://${admin_address}:${port}/v2/%(tenant_id)s",
diff --git a/spec/classes/cinder_keystone_auth_spec.rb b/spec/classes/cinder_keystone_auth_spec.rb
index 9c3690b7..b506a2cb 100644
--- a/spec/classes/cinder_keystone_auth_spec.rb
+++ b/spec/classes/cinder_keystone_auth_spec.rb
@@ -132,4 +132,22 @@ describe 'cinder::keystone::auth' do
 
   end
 
+  describe 'when overriding service names' do
+
+    let :params do
+      req_params.merge(
+        :service_name    => 'cinder_service',
+        :service_name_v2 => 'cinder_service_v2',
+      )
+    end
+
+    it { should contain_keystone_user('cinder') }
+    it { should contain_keystone_user_role('cinder@services') }
+    it { should contain_keystone_service('cinder_service') }
+    it { should contain_keystone_service('cinder_service_v2') }
+    it { should contain_keystone_endpoint('RegionOne/cinder_service') }
+    it { should contain_keystone_endpoint('RegionOne/cinder_service_v2') }
+
+  end
+
 end