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-rw-r--r--swift/1.4.8/plugins/fs_utils.py157
1 files changed, 157 insertions, 0 deletions
diff --git a/swift/1.4.8/plugins/fs_utils.py b/swift/1.4.8/plugins/fs_utils.py
new file mode 100644
index 00000000000..76fcbbc2b9c
--- /dev/null
+++ b/swift/1.4.8/plugins/fs_utils.py
@@ -0,0 +1,157 @@
+# Copyright (c) 2011 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.
+
+import logging
+import os
+import errno
+
+def do_mkdir(path):
+ try:
+ os.mkdir(path)
+ except Exception, err:
+ logging.exception("Mkdir failed on %s err: %s", path, str(err))
+ if err.errno != errno.EEXIST:
+ raise
+ return True
+
+def do_makedirs(path):
+ try:
+ os.makedirs(path)
+ except Exception, err:
+ logging.exception("Makedirs failed on %s err: %s", path, str(err))
+ if err.errno != errno.EEXIST:
+ raise
+ return True
+
+def do_listdir(path):
+ try:
+ buf = os.listdir(path)
+ except Exception, err:
+ logging.exception("Listdir failed on %s err: %s", path, str(err))
+ raise
+ return buf
+
+def do_chown(path, uid, gid):
+ try:
+ os.chown(path, uid, gid)
+ except Exception, err:
+ logging.exception("Chown failed on %s err: %s", path, str(err))
+ raise
+ return True
+
+def do_stat(path):
+ try:
+ #Check for fd.
+ if isinstance(path, int):
+ buf = os.fstat(path)
+ else:
+ buf = os.stat(path)
+ except Exception, err:
+ logging.exception("Stat failed on %s err: %s", path, str(err))
+ raise
+
+ return buf
+
+def do_open(path, mode):
+ try:
+ fd = open(path, mode)
+ except Exception, err:
+ logging.exception("Open failed on %s err: %s", path, str(err))
+ raise
+ return fd
+
+def do_close(fd):
+ #fd could be file or int type.
+ try:
+ if isinstance(fd, int):
+ os.close(fd)
+ else:
+ fd.close()
+ except Exception, err:
+ logging.exception("Close failed on %s err: %s", fd, str(err))
+ raise
+ return True
+
+def do_unlink(path, log = True):
+ try:
+ os.unlink(path)
+ except Exception, err:
+ if log:
+ logging.exception("Unlink failed on %s err: %s", path, str(err))
+ if err.errno != errno.ENOENT:
+ raise
+ return True
+
+def do_rmdir(path):
+ try:
+ os.rmdir(path)
+ except Exception, err:
+ logging.exception("Rmdir failed on %s err: %s", path, str(err))
+ if err.errno != errno.ENOENT:
+ raise
+ return True
+
+def do_rename(old_path, new_path):
+ try:
+ os.rename(old_path, new_path)
+ except Exception, err:
+ logging.exception("Rename failed on %s to %s err: %s", old_path, new_path, \
+ str(err))
+ raise
+ return True
+
+def mkdirs(path):
+ """
+ Ensures the path is a directory or makes it if not. Errors if the path
+ exists but is a file or on permissions failure.
+
+ :param path: path to create
+ """
+ if not os.path.isdir(path):
+ try:
+ do_makedirs(path)
+ except OSError, err:
+ #TODO: check, isdir will fail if mounted and volume stopped.
+ #if err.errno != errno.EEXIST or not os.path.isdir(path)
+ if err.errno != errno.EEXIST:
+ raise
+
+def dir_empty(path):
+ """
+ Return true if directory/container is empty.
+ :param path: Directory path.
+ :returns: True/False.
+ """
+ if os.path.isdir(path):
+ try:
+ files = do_listdir(path)
+ except Exception, err:
+ logging.exception("listdir failed on %s err: %s", path, str(err))
+ raise
+ if not files:
+ return True
+ else:
+ return False
+ else:
+ if not os.path.exists(path):
+ return True
+
+def rmdirs(path):
+ if os.path.isdir(path) and dir_empty(path):
+ do_rmdir(path)
+ else:
+ logging.error("rmdirs failed dir may not be empty or not valid dir")
+ return False
+