Refactor volume initialization code

* Validate inputs during initialization of Volume object.
* Move glfs_new() and glfs_init() into mount() method.
* Provide user consumable unmount() method.
* Provide "mounted" property to Volume object. Users can now check state
  whether a volume is virtual mounted or not.

Change-Id: Idc53ee7f9386ed995315bd5fb492a7d36f44875f
Signed-off-by: Prashanth Pai <ppai@redhat.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/gluster/exceptions.py b/gluster/exceptions.py
new file mode 100644
index 0000000..2bb4732
--- /dev/null
+++ b/gluster/exceptions.py
@@ -0,0 +1,18 @@
+# Copyright (c) 2012-2015 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 LibgfapiException(Exception):
+    pass