Sync the 'fileutils' module from oslo-incubator

The fileutils module hasn't been updated since
November of 2014.  We need to bring this module up
to date to support the namespace changes that have
been made.

Current HEAD in OSLO:
---------------------
commit e589dde0721a0a67e4030813e582afec6e70d042
Date:  Wed Feb 18 03:08:12 2015 +0000
Merge "Have a little fun with release notes"

Changes merged with this patch:
---------------------
ac17de97 - Use oslo_utils instead of deprecated oslo.utils
809080ed - Introduce fileutils ensure_dir creation mode parameter

Change-Id: I0bca3cc59126abed8ef736bf5e199857f681e5cd

diff --git a/cinder/openstack/common/fileutils.py b/cinder/openstack/common/fileutils.py
index ec26eaf9cde44b0e171011d66c5fb58142b9c1c5..6cacf22b2418a609ed516638bf9a0803e1c5c9e7 100644 (file)
--- a/cinder/openstack/common/fileutils.py
+++ b/cinder/openstack/common/fileutils.py
@@ -17,6 +17,7 @@ import contextlib
 import errno
 import logging
 import os
+import stat
 import tempfile
 
 from oslo.utils import excutils
@@ -24,15 +25,17 @@ from oslo.utils import excutils
 LOG = logging.getLogger(__name__)
 
 _FILE_CACHE = {}
+DEFAULT_MODE = stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO
 
 
-def ensure_tree(path):
+def ensure_tree(path, mode=DEFAULT_MODE):
     """Create a directory (and any ancestor directories required)
 
     :param path: Directory to create
+    :param mode: Directory creation permissions
     """
     try:
-        os.makedirs(path)
+        os.makedirs(path, mode)
     except OSError as exc:
         if exc.errno == errno.EEXIST:
             if not os.path.isdir(path):