Switch to oslo.utils in our code

Note that strutils is still used by jsonutils and log (used by
fileutils), so not removed from openstack/common/.

Requires new version of oslo.utils (>0.1.1.2) for mask_password.

Change-Id: I3a1e526c4310869747a4999e52a527604703e979

openstack-common.conf

@@ -4,7 +4,6 @@
 module = fileutils
 module = fixture
 module = gettextutils
-module = strutils
 script = tools/run_cross_tests.sh
 
 # The base module to hold the copy of openstack.common

oslo/concurrency/processutils.py

@@ -27,10 +27,10 @@ import signal
 
 from eventlet.green import subprocess
 from eventlet import greenthread
+from oslo.utils import strutils
 import six
 
 from oslo.concurrency.openstack.common.gettextutils import _  # noqa
-from oslo.concurrency.openstack.common import strutils
 
 
 LOG = logging.getLogger(__name__)

requirements-py3.txt

@@ -3,5 +3,6 @@ Babel>=0.9.6
 iso8601>=0.1.9
 fixtures>=0.3.14
 oslo.config>=1.4.0.0a3
+oslo.utils>=0.1.1
 posix_ipc
 six>=1.7.0

requirements.txt

@@ -4,5 +4,6 @@ eventlet>=0.13.0
 greenlet>=0.3.2
 fixtures>=0.3.14
 oslo.config>=1.4.0.0a3
+oslo.utils>=0.1.1
 posix_ipc
 six>=1.7.0