Implemented exception config module

Implemented exception config module

Partially Implements: blueprint centralise-config-opts

Change-Id: Ic1b94e28a960a7306f15afbf69382edc15b5999e

watcher/common/exception.py

@@ -26,22 +26,16 @@ import functools
 import sys
 
 from keystoneclient import exceptions as keystone_exceptions
-from oslo_config import cfg
 from oslo_log import log as logging
 import six
 
 from watcher._i18n import _, _LE
 
+from watcher import conf
+
 LOG = logging.getLogger(__name__)
 
-EXC_LOG_OPTS = [
-    cfg.BoolOpt('fatal_exception_format_errors',
-                default=False,
-                help='Make exception message format errors fatal.'),
-]
-
-CONF = cfg.CONF
-CONF.register_opts(EXC_LOG_OPTS)
+CONF = conf.CONF
 
 
 def wrap_keystone_exception(func):

watcher/conf/__init__.py

@@ -20,6 +20,7 @@
 from oslo_config import cfg
 
 from watcher.conf import api
+from watcher.conf import exception
 from watcher.conf import paths
 from watcher.conf import service
 from watcher.conf import utils
@@ -30,3 +31,4 @@ service.register_opts(CONF)
 api.register_opts(CONF)
 utils.register_opts(CONF)
 paths.register_opts(CONF)
+exception.register_opts(CONF)

watcher/conf/_opts.py

@@ -20,8 +20,8 @@ from keystoneauth1 import loading as ka_loading
 
 from watcher.applier import manager as applier_manager
 from watcher.common import clients
-from watcher.common import exception
 from watcher.conf import api as conf_api
+from watcher.conf import exception
 from watcher.conf import paths
 from watcher.conf import utils
 from watcher.db.sqlalchemy import models

watcher/conf/exception.py

@@ -0,0 +1,33 @@
+# -*- encoding: utf-8 -*-
+# Copyright (c) 2016 Intel Corp
+#
+# Authors: Prudhvi Rao Shedimbi <prudhvi.rao.shedimbi@intel.com>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from oslo_config import cfg
+
+EXC_LOG_OPTS = [
+    cfg.BoolOpt('fatal_exception_format_errors',
+                default=False,
+                help='Make exception message format errors fatal.'),
+]
+
+
+def register_opts(conf):
+    conf.register_opts(EXC_LOG_OPTS)
+
+
+def list_opts():
+    return [('DEFAULT', EXC_LOG_OPTS)]