Remove the sql_max_pool_size option.

The option was replaced 6 years ago[1] by max_pool_size.

[1] 1b7c295d52

Change-Id: Ice1a90edc32603c85449b80fe78fd437aa7e8081

oslo_db/options.py

@@ -69,10 +69,6 @@ database_opts = [
              'the pool.'),
     cfg.IntOpt('max_pool_size',
                default=5,
-               deprecated_opts=[cfg.DeprecatedOpt('sql_max_pool_size',
-                                                  group='DEFAULT'),
-                                cfg.DeprecatedOpt('sql_max_pool_size',
-                                                  group='DATABASE')],
                help='Maximum number of SQL connections to keep open in a '
                     'pool. Setting a value of 0 indicates no limit.'),
     cfg.IntOpt('max_retries',

oslo_db/tests/sqlalchemy/test_options.py

@@ -30,7 +30,6 @@ class DbApiOptionsTestCase(test_utils.BaseTestCase):
     def test_deprecated_session_parameters(self):
         path = self.create_tempfiles([["tmp", b"""[DEFAULT]
 sql_connection=x://y.z
-sql_max_pool_size=20
 sql_max_retries=30
 sql_retry_interval=40
 sql_max_overflow=50
@@ -39,7 +38,6 @@ sql_connection_trace=True
 """]])[0]
         self.conf(['--config-file', path])
         self.assertEqual('x://y.z', self.conf.database.connection)
-        self.assertEqual(20, self.conf.database.max_pool_size)
         self.assertEqual(30, self.conf.database.max_retries)
         self.assertEqual(40, self.conf.database.retry_interval)
         self.assertEqual(50, self.conf.database.max_overflow)
@@ -71,7 +69,6 @@ pool_timeout=7
         path = self.create_tempfiles([['tmp', b'[DATABASE]\n'
                                        b'sql_connection=fake_connection\n'
                                        b'sql_idle_timeout=100\n'
-                                       b'sql_max_pool_size=199\n'
                                        b'sql_max_retries=22\n'
                                        b'reconnect_interval=17\n'
                                        b'sqlalchemy_max_overflow=101\n'
@@ -81,7 +78,6 @@ pool_timeout=7
         self.assertEqual('fake_connection', self.conf.database.connection)
         self.assertEqual(100, self.conf.database.connection_recycle_time)
         self.assertEqual(100, self.conf.database.idle_timeout)
-        self.assertEqual(199, self.conf.database.max_pool_size)
         self.assertEqual(22, self.conf.database.max_retries)
         self.assertEqual(17, self.conf.database.retry_interval)
         self.assertEqual(101, self.conf.database.max_overflow)

releasenotes/notes/removed-deprecated-sql-max-pool-size-c9b7bfc14c3b6b14.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Removed deprecated database option ``sql_max_pool_size``.