Merge "Remove cfg option default value and check if missing"

quantum/db/api.py

@@ -36,10 +36,11 @@ from quantum.openstack.common import cfg
 from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
+SQL_CONNECTION_DEFAULT = 'sqlite://'
 
 
 database_opts = [
-    cfg.StrOpt('sql_connection', default='sqlite://',
+    cfg.StrOpt('sql_connection',
                help=_('The SQLAlchemy connection string used to connect to '
                       'the database')),
     cfg.IntOpt('sql_max_retries', default=-1,
@@ -111,6 +112,11 @@ def configure_db():
     global _ENGINE
     if not _ENGINE:
         sql_connection = cfg.CONF.DATABASE.sql_connection
+        if not sql_connection:
+            LOG.warn(_("Option 'sql_connection' not specified "
+                       "in any config file - using default "
+                       "value '%s'" % SQL_CONNECTION_DEFAULT))
+            sql_connection = SQL_CONNECTION_DEFAULT
         connection_dict = sql.engine.url.make_url(sql_connection)
         engine_args = {
             'pool_recycle': 3600,

quantum/tests/unit/cisco/test_nexus_plugin.py

@@ -19,7 +19,6 @@ import unittest
 from quantum.db import api as db
 from quantum.openstack.common import importutils
 from quantum.plugins.cisco.common import cisco_constants as const
-from quantum.plugins.cisco.db import network_db_v2 as cdb
 from quantum.plugins.cisco.db import network_models_v2
 from quantum.plugins.cisco.nexus import cisco_nexus_plugin_v2
 
@@ -62,9 +61,6 @@ class TestCiscoNexusPlugin(unittest.TestCase):
         }
         self._hostname = HOSTNAME
 
-        def new_cdb_init():
-            db.configure_db()
-
         def new_nexus_init(self):
             self._client = importutils.import_object(NEXUS_DRIVER)
             self._nexus_ip = NEXUS_IP_ADDRESS
@@ -78,9 +74,8 @@ class TestCiscoNexusPlugin(unittest.TestCase):
                     'password': self._nexus_password
                 }
             }
+            db.configure_db()
 
-        with mock.patch.object(cdb, 'initialize', new=new_cdb_init):
-            cdb.initialize()
         with mock.patch.object(cisco_nexus_plugin_v2.NexusPlugin,
                                '__init__', new=new_nexus_init):
             self._cisco_nexus_plugin = cisco_nexus_plugin_v2.NexusPlugin()

quantum/tests/unit/linuxbridge/test_defaults.py

@@ -23,8 +23,6 @@ from quantum.plugins.linuxbridge.common import config
 class ConfigurationTest(unittest.TestCase):
 
     def test_defaults(self):
-        self.assertEqual('sqlite://',
-                         cfg.CONF.DATABASE.sql_connection)
         self.assertEqual(-1,
                          cfg.CONF.DATABASE.sql_max_retries)
         self.assertEqual(2,

quantum/tests/unit/nec/test_config.py

@@ -23,7 +23,6 @@ from quantum.plugins.nec.common import config
 class ConfigurationTest(unittest.TestCase):
 
     def test_defaults(self):
-        self.assertEqual('sqlite://', config.CONF.DATABASE.sql_connection)
         self.assertEqual(-1, config.CONF.DATABASE.sql_max_retries)
         self.assertEqual(2, config.CONF.DATABASE.reconnect_interval)
         self.assertEqual('br-int', config.CONF.OVS.integration_bridge)

quantum/tests/unit/nicira/test_defaults.py

@@ -22,7 +22,6 @@ from quantum.plugins.nicira.nicira_nvp_plugin.common import config
 class ConfigurationTest(unittest.TestCase):
 
     def test_defaults(self):
-        self.assertEqual('sqlite://', cfg.CONF.DATABASE.sql_connection)
         self.assertEqual(-1, cfg.CONF.DATABASE.sql_max_retries)
         self.assertEqual(2, cfg.CONF.DATABASE.reconnect_interval)
         self.assertEqual(64, cfg.CONF.NVP.max_lp_per_bridged_ls)

quantum/tests/unit/openvswitch/test_ovs_defaults.py

@@ -26,7 +26,6 @@ class ConfigurationTest(unittest.TestCase):
         self.assertEqual('br-int', cfg.CONF.OVS.integration_bridge)
         self.assertFalse(cfg.CONF.OVS.enable_tunneling)
         self.assertEqual('br-tun', cfg.CONF.OVS.tunnel_bridge)
-        self.assertEqual('sqlite://', cfg.CONF.DATABASE.sql_connection)
         self.assertEqual(-1, cfg.CONF.DATABASE.sql_max_retries)
         self.assertEqual(2, cfg.CONF.DATABASE.reconnect_interval)
         self.assertEqual(2, cfg.CONF.AGENT.polling_interval)

quantum/tests/unit/ryu/test_defaults.py

@@ -26,7 +26,6 @@ class ConfigurationTest(unittest2.TestCase):
     """Configuration file Tests"""
     def test_defaults(self):
         self.assertEqual('br-int', cfg.CONF.OVS.integration_bridge)
-        self.assertEqual('sqlite://', cfg.CONF.DATABASE.sql_connection)
         self.assertEqual(-1, cfg.CONF.DATABASE.sql_max_retries)
         self.assertEqual(2, cfg.CONF.DATABASE.reconnect_interval)
         self.assertEqual(2, cfg.CONF.AGENT.polling_interval)

quantum/tests/unit/test_db.py

@@ -24,8 +24,25 @@ from quantum.openstack.common import cfg
 
 
 class DBTestCase(unittest.TestCase):
+    def setUp(self):
+        cfg.CONF.set_override('sql_max_retries', 1, 'DATABASE')
+        cfg.CONF.set_override('reconnect_interval', 0, 'DATABASE')
+
+    def tearDown(self):
+        db._ENGINE = None
+        cfg.CONF.reset()
+
     def test_db_reconnect(self):
-        cfg.CONF.set_override('sql_max_retries', 3, 'DATABASE')
         with mock.patch.object(db, 'register_models') as mock_register:
             mock_register.return_value = False
             db.configure_db()
+
+    def test_warn_when_no_connection(self):
+        with mock.patch.object(db, 'register_models') as mock_register:
+            mock_register.return_value = False
+            with mock.patch.object(db.LOG, 'warn') as mock_log:
+                mock_log.return_value = False
+                db.configure_db()
+                self.assertEquals(mock_log.call_count, 1)
+                args = mock_log.call_args
+                self.assertNotEqual(args.find('sql_connection'), -1)