Merge "Fix verify_tempest_config with disabled services"
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 5046bff..f426e4d 100755
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -122,6 +122,18 @@
                             not CONF.volume_feature_enabled.api_v2, update)
 
 
+def verify_api_versions(os, service, update):
+    verify = {
+        'cinder': verify_cinder_api_versions,
+        'glance': verify_glance_api_versions,
+        'keystone': verify_keystone_api_versions,
+        'nova': verify_nova_api_versions,
+    }
+    if service not in verify:
+        return
+    verify[service](os, update)
+
+
 def get_extension_client(os, service):
     extensions_client = {
         'nova': os.extensions_client,
@@ -337,10 +349,13 @@
         elif service not in services:
             continue
         results = verify_extensions(os, service, results)
-    verify_keystone_api_versions(os, update)
-    verify_glance_api_versions(os, update)
-    verify_nova_api_versions(os, update)
-    verify_cinder_api_versions(os, update)
+
+    # Verify API verisons of all services in the keystone catalog and keystone
+    # itself.
+    services.append('keystone')
+    for service in services:
+        verify_api_versions(os, service, update)
+
     display_results(results, update, replace)
     if update:
         conf_file.close()
diff --git a/tempest/tests/cmd/test_verify_tempest_config.py b/tempest/tests/cmd/test_verify_tempest_config.py
index a28684e..6679c79 100644
--- a/tempest/tests/cmd/test_verify_tempest_config.py
+++ b/tempest/tests/cmd/test_verify_tempest_config.py
@@ -86,6 +86,24 @@
         self.assertIn('v2.0', versions)
         self.assertIn('v3.0', versions)
 
+    def test_verify_api_versions(self):
+        api_services = ['cinder', 'glance', 'keystone', 'nova']
+        fake_os = mock.MagicMock()
+        for svc in api_services:
+            m = 'verify_%s_api_versions' % svc
+            with mock.patch.object(verify_tempest_config, m) as verify_mock:
+                verify_tempest_config.verify_api_versions(fake_os, svc, True)
+                verify_mock.assert_called_once_with(fake_os, True)
+
+    def test_verify_api_versions_not_implemented(self):
+        api_services = ['cinder', 'glance', 'keystone', 'nova']
+        fake_os = mock.MagicMock()
+        for svc in api_services:
+            m = 'verify_%s_api_versions' % svc
+            with mock.patch.object(verify_tempest_config, m) as verify_mock:
+                verify_tempest_config.verify_api_versions(fake_os, 'foo', True)
+                self.assertFalse(verify_mock.called)
+
     def test_verify_keystone_api_versions_no_v3(self):
         self.useFixture(mockpatch.PatchObject(
             verify_tempest_config, '_get_unversioned_endpoint',