Add error to detect errors in discovering availability info.

Related: #12 Signed-off-by: mulhern <amulhern@redhat.com>
storaged-project · May 5, 2015 · 435d93e · 435d93e
1 parent 2fa8f27
commit 435d93e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/blivet/errors.py b/blivet/errors.py
@@ -194,3 +194,7 @@ class UnknownSourceDeviceError(StorageError):
 # factories
 class DeviceFactoryError(StorageError):
     pass
+
+class AvailabilityError(StorageError):
+    """ Raised if problem determining availability of external resource. """
+    pass