keystone/auth: make service description configurable

This commit adds the service description as a class parameter in order to allow
users to update from a previous version if the service description is changed
(incorrectly spelled or wrong description)

Change-Id: I6a39ad07e76c388b7262d196a30a1ae28d0f6203
Closes-Bug: #1468407

manifests/keystone/auth.pp

@@ -43,6 +43,10 @@
 #   (Optional) Name of the service.
 #   Defaults to 'octavia'
 #
+# [*service_description*]
+#   (Optional) Description of the service.
+#   Default to 'Octavia Service'
+#
 # [*public_url*]
 #   (0ptional) The endpoint's public url.
 #   This url should *not* contain any trailing '/'.
@@ -66,6 +70,7 @@ class octavia::keystone::auth (
   $configure_endpoint  = true,
   $configure_user      = true,
   $configure_user_role = true,
+  $service_description = 'Octavia Service',
   $service_name        = 'octavia',
   $service_type        = 'load-balancer',
   $region              = 'RegionOne',
@@ -82,7 +87,7 @@ class octavia::keystone::auth (
     configure_endpoint  => $configure_endpoint,
     service_name        => $service_name,
     service_type        => $service_type,
-    service_description => 'Octavia Service',
+    service_description => $service_description,
     region              => $region,
     auth_name           => $auth_name,
     password            => $password,

releasenotes/notes/add-service_description-option-b1f36384181629be.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Adds the service_description option to config description
+    of the service.