Add missing properties for role

* Domain_id is the base property for role.
* Description was added to role recently[1].

Add the support to openstacksdk.

[1]: I230af9cc833af13064636b5d9a7ce6334c3f6e9a

Change-Id: I700413c7f166c57af75a69ad65947b396ae290f9

openstack/identity/v3/role.py

@@ -32,5 +32,9 @@ class Role(resource.Resource):
     # Properties
     #: Unique role name, within the owning domain. *Type: string*
     name = resource.Body('name')
+    #: User-facing description of the role. *Type: string*
+    description = resource.Body('description')
+    #: References the domain ID which owns the role. *Type: string*
+    domain_id = resource.Body('domain_id')
     #: The links for the service resource.
     links = resource.Body('links')

openstack/tests/unit/identity/v3/test_role.py

@@ -19,6 +19,8 @@ EXAMPLE = {
     'id': IDENTIFIER,
     'links': {'self': 'http://example.com/user1'},
     'name': '2',
+    'description': 'test description for role',
+    'domain_id': 'default'
 }
 
 
@@ -50,3 +52,5 @@ class TestRole(base.TestCase):
         self.assertEqual(EXAMPLE['id'], sot.id)
         self.assertEqual(EXAMPLE['links'], sot.links)
         self.assertEqual(EXAMPLE['name'], sot.name)
+        self.assertEqual(EXAMPLE['description'], sot.description)
+        self.assertEqual(EXAMPLE['domain_id'], sot.domain_id)

releasenotes/notes/update-role-property-b16e902e913c7b25.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Added the newly supported ``description`` parameter and the missing
+    ``domain_id`` parameter  to ``Role`` resource.