config options: Centralise 'monkeypatch' options

Add options from 'monkeypatch'. These options affect the entire system
so they have been included in the "nova.conf.base" file.

Change-Id: Ic85107b33e414f05984d10f2cb9b74829ab3219d
Implements: bp centralize-config-options-newton

nova/conf/base.py

@@ -46,12 +46,29 @@ tempdir = cfg.StrOpt(
     'tempdir',
     help='Explicitly specify the temporary working directory')
 
+monkey_patch = cfg.BoolOpt(
+    'monkey_patch',
+    default=False,
+    help='Whether to apply monkey patching')
+
+notify_decorator = 'nova.notifications.notify_decorator'
+
+monkey_patch_modules = cfg.ListOpt(
+    'monkey_patch_modules',
+    default=[
+        'nova.compute.api:%s' % (notify_decorator)
+    ],
+    help='List of modules/decorators to monkey patch')
+
+
 ALL_OPTS = [
     password_length,
     instance_usage_audit_period,
     use_rootwrap_daemon,
     rootwrap_config,
-    tempdir]
+    tempdir,
+    monkey_patch,
+    monkey_patch_modules]
 
 
 def register_opts(conf):

nova/opts.py

@@ -38,7 +38,6 @@ import nova.paths
 import nova.quota
 import nova.servicegroup.api
 import nova.spice
-import nova.utils
 import nova.volume
 import nova.volume.cinder
 
@@ -63,7 +62,6 @@ def list_opts():
              nova.notifications.notify_opts,
              nova.paths.path_opts,
              nova.quota.quota_opts,
-             nova.utils.monkey_patch_opts,
              nova.volume._volume_opts,
          )),
         ('cinder', nova.volume.cinder.cinder_opts),

nova/utils.py

@@ -42,7 +42,6 @@ import eventlet
 import netaddr
 from oslo_concurrency import lockutils
 from oslo_concurrency import processutils
-from oslo_config import cfg
 from oslo_context import context as common_context
 from oslo_log import log as logging
 import oslo_messaging as messaging
@@ -62,22 +61,8 @@ from nova.i18n import _, _LE, _LI, _LW
 import nova.network
 from nova import safe_utils
 
-notify_decorator = 'nova.notifications.notify_decorator'
-
-monkey_patch_opts = [
-    cfg.BoolOpt('monkey_patch',
-                default=False,
-                help='Whether to apply monkey patching'),
-    cfg.ListOpt('monkey_patch_modules',
-                default=[
-                  'nova.compute.api:%s' % (notify_decorator)
-                  ],
-                help='List of modules/decorators to monkey patch'),
-]
-
 
 CONF = nova.conf.CONF
-CONF.register_opts(monkey_patch_opts)
 
 LOG = logging.getLogger(__name__)