Move the singleton to a common location
Looks like it will be used by many other componts as well.
Change-Id: I2ac2b879db461d3fc9e70de84880a7e9b34076df
diff --git a/tempest/common/utils/misc.py b/tempest/common/utils/misc.py
new file mode 100644
index 0000000..8d945cf
--- /dev/null
+++ b/tempest/common/utils/misc.py
@@ -0,0 +1,27 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2012 OpenStack, LLC
+# All Rights Reserved.
+#
+# 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.
+
+
+def singleton(cls):
+ """Simple wrapper for classes that should only have a single instance."""
+ instances = {}
+
+ def getinstance():
+ if cls not in instances:
+ instances[cls] = cls()
+ return instances[cls]
+ return getinstance
diff --git a/tempest/config.py b/tempest/config.py
index 89fa2d9..3b425ca 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -20,6 +20,7 @@
import sys
from tempest.common.utils import data_utils
+from tempest.common.utils.misc import singleton
from tempest.openstack.common import cfg
LOG = logging.getLogger(__name__)
@@ -370,18 +371,6 @@
conf.register_opt(opt, group='boto')
-# TODO(jaypipes): Move this to a common utils (not data_utils...)
-def singleton(cls):
- """Simple wrapper for classes that should only have a single instance."""
- instances = {}
-
- def getinstance():
- if cls not in instances:
- instances[cls] = cls()
- return instances[cls]
- return getinstance
-
-
@singleton
class TempestConfig:
"""Provides OpenStack configuration information."""