object-storage: Use the wrapper functions provided by fs_utils.py to make system calls.

 The set of changes:
 * Unit test cases for fs_utils.py

 * Replaced os.path with os_path

 * Implemented wrapper functions do_write, do_chmod, etc in fs_utils.py

 * Replaced os.<sys-call> with the wrapper functions.

Change-Id: I770da878e83eda6b98e49d70193990406a2642a7
BUG: 887301
Signed-off-by: Mohammed Junaid <junaid@redhat.com>
Reviewed-on: http://review.gluster.org/4360
Reviewed-by: Peter Portante <pportant@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/ufo/gluster/swift/common/exceptions.py b/ufo/gluster/swift/common/exceptions.py
new file mode 100644
index 0000000..d9357db
--- /dev/null
+++ b/ufo/gluster/swift/common/exceptions.py
@@ -0,0 +1,27 @@
+# Copyright (c) 2012 Red Hat, Inc.
+#
+# 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.
+
+class GlusterfsException(Exception):
+    pass
+
+class FileOrDirNotFoundError(GlusterfsException):
+    pass
+
+class NotDirectoryError(GlusterfsException):
+    pass
+
+class AlreadyExistsAsDir(GlusterfsException):
+    pass
+