api: Dump config options when deployed as a wsgi app

This ensures api service dumps config options to debug logs when being
deployed as a wsgi app, so that users can review the effective values
and find misconfiguration more easily.

Closes-Bug: #2031480
Change-Id: I622fbae7fb273e7405a305cc3e33ac89c0564fdc

manila/tests/wsgi/test_wsgi.py

@@ -22,10 +22,10 @@ from manila.wsgi import wsgi
 class WSGITestCase(test.TestCase):
 
     def test_initialize_application(self):
-        self.mock_object(wsgi.log, 'register_options')
+        self.mock_object(wsgi.logging, 'register_options')
         self.mock_object(wsgi.cfg.ConfigOpts, '__call__')
         self.mock_object(wsgi.config, 'verify_share_protocols')
-        self.mock_object(wsgi.log, 'setup')
+        self.mock_object(wsgi.logging, 'setup')
         self.mock_object(wsgi.rpc, 'init')
         self.mock_object(wsgi.wsgi, 'Loader')
         wsgi.sys.argv = ['--verbose', '--debug']
@@ -34,11 +34,11 @@ class WSGITestCase(test.TestCase):
 
         self.assertEqual(
             wsgi.wsgi.Loader.return_value.load_app.return_value, result)
-        wsgi.log.register_options.assert_called_once_with(mock.ANY)
+        wsgi.logging.register_options.assert_called_once_with(mock.ANY)
         wsgi.cfg.ConfigOpts.__call__.assert_called_once_with(
             mock.ANY, project="manila", version=wsgi.version.version_string())
         wsgi.config.verify_share_protocols.assert_called_once_with()
-        wsgi.log.setup.assert_called_once_with(mock.ANY, "manila")
+        wsgi.logging.setup.assert_called_once_with(mock.ANY, "manila")
         wsgi.rpc.init.assert_called_once_with(mock.ANY)
         wsgi.wsgi.Loader.assert_called_once_with(mock.ANY)
         wsgi.wsgi.Loader.return_value.load_app.assert_called_once_with(

manila/wsgi/wsgi.py

@@ -16,7 +16,7 @@
 import sys
 
 from oslo_config import cfg
-from oslo_log import log
+from oslo_log import log as logging
 from oslo_reports import guru_meditation_report as gmr
 from oslo_reports import opts as gmr_opts
 from oslo_service import wsgi
@@ -28,17 +28,20 @@ from manila import service
 from manila import version
 
 CONF = cfg.CONF
+LOG = logging.getLogger(__name__)
 
 
 def initialize_application():
-    log.register_options(CONF)
+    logging.register_options(CONF)
     gmr_opts.set_defaults(CONF)
     CONF(sys.argv[1:], project="manila", version=version.version_string())
     config.verify_share_protocols()
     config.set_lib_defaults()
-    log.setup(CONF, "manila")
+    logging.setup(CONF, "manila")
+    CONF.log_opt_values(LOG, logging.DEBUG)
 
     gmr.TextGuruMeditation.setup_autorun(version, conf=CONF)
     rpc.init(CONF)
     service.setup_profiler("manila-api", CONF.host)
+
     return wsgi.Loader(CONF).load_app(name='osapi_share')

releasenotes/notes/manila-wsgi-debug-log-opts-691a7647655b4778.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Now the ``manila-wsgi`` WSGI application records all options and loaded
+    values to its log file, when debug log is enabled.