keystoneclient requires an email address when creating a user

python-keystoneclient v2.0 currently requires an email address,
but Keystone doesn't require an email address any longer.

Closes-Bug: #1252621
Change-Id: I4fe54aca9efcb0e5ab6ad901ee94796a04035224

keystoneclient/tests/v2_0/test_users.py

@@ -76,6 +76,40 @@ class UserTests(utils.TestCase):
         self.assertEqual(user.email, "test@example.com")
         self.assertRequestBodyIs(json=req_body)
 
+    @httpretty.activate
+    def test_create_user_without_email(self):
+        req_body = {
+            "user": {
+                "name": "gabriel",
+                "password": "test",
+                "tenantId": 2,
+                "enabled": True,
+                "email": None,
+            }
+        }
+
+        resp_body = {
+            "user": {
+                "name": "gabriel",
+                "enabled": True,
+                "tenantId": 2,
+                "id": 3,
+                "password": "test",
+            }
+        }
+
+        self.stub_url(httpretty.POST, ['users'], json=resp_body)
+
+        user = self.client.users.create(
+            req_body['user']['name'],
+            req_body['user']['password'],
+            tenant_id=req_body['user']['tenantId'],
+            enabled=req_body['user']['enabled'])
+        self.assertTrue(isinstance(user, users.User))
+        self.assertEqual(user.id, 3)
+        self.assertEqual(user.name, "gabriel")
+        self.assertRequestBodyIs(json=req_body)
+
     @httpretty.activate
     def test_delete(self):
         self.stub_url(httpretty.DELETE, ['users', '1'], status=204)

keystoneclient/v2_0/users.py

@@ -86,9 +86,8 @@ class UserManager(base.ManagerWithFind):
         return self._update("/users/%s/OS-KSADM/tenant" % base.getid(user),
                             params, "user")
 
-    def create(self, name, password, email, tenant_id=None, enabled=True):
+    def create(self, name, password, email=None, tenant_id=None, enabled=True):
         """Create a user."""
-        # FIXME(ja): email should be optional, keystone currently requires it
         params = {"user": {"name": name,
                            "password": password,
                            "tenantId": tenant_id,