Pass missing arguments to session in SessionClient._make_session_request

If a server does not return API version headers, this will make the fallback
to /v1 work correctly.

Change-Id: I42b66daea1f4397273a3f4eb1638abafb3bb28ce
Closes-Bug: #1726870

ironicclient/common/http.py

@@ -504,8 +504,16 @@ class SessionClient(VersionNegotiationMixin, adapter.LegacyJsonAdapter):
         return self._generic_parse_version_headers(resp.headers.get)
 
     def _make_simple_request(self, conn, method, url):
+        endpoint_filter = {
+            'interface': self.interface,
+            'service_type': self.service_type,
+            'region_name': self.region_name
+        }
+
         # NOTE: conn is self.session for this class
-        return conn.request(url, method, raise_exc=False)
+        return conn.request(url, method, raise_exc=False,
+                            user_agent=USER_AGENT,
+                            endpoint_filter=endpoint_filter)
 
     @with_retries
     def _http_request(self, url, method, **kwargs):

ironicclient/tests/unit/common/test_http.py

@@ -539,6 +539,23 @@ class SessionClientTest(utils.BaseTestCase):
     def test_endpoint_override_not_valid(self):
         self._test_endpoint_override(True)
 
+    def test_make_simple_request(self):
+        session = mock.Mock(spec=['request'])
+
+        client = _session_client(session=session,
+                                 endpoint_override='http://127.0.0.1')
+        res = client._make_simple_request(session, 'GET', 'url')
+
+        session.request.assert_called_once_with(
+            'url', 'GET', raise_exc=False,
+            endpoint_filter={
+                'interface': 'publicURL',
+                'service_type': 'baremetal',
+                'region_name': ''
+            },
+            user_agent=http.USER_AGENT)
+        self.assertEqual(res, session.request.return_value)
+
 
 @mock.patch.object(time, 'sleep', lambda *_: None)
 class RetriesTestCase(utils.BaseTestCase):