1 files changed, 32 insertions, 0 deletions
diff --git a/src/pybind/mgr/nfs/exception.py b/src/pybind/mgr/nfs/exception.py
new file mode 100644
index 000000000..6c6e3d9f3
--- /dev/null
+++ b/src/pybind/mgr/nfs/exception.py
@@ -0,0 +1,32 @@
+import errno
+from typing import Optional
+
+
+class NFSException(Exception):
+    def __init__(self, err_msg: str, errno: int = -1) -> None:
+        super(NFSException, self).__init__(errno, err_msg)
+        self.errno = errno
+        self.err_msg = err_msg
+
+    def __str__(self) -> str:
+        return self.err_msg
+
+
+class NFSInvalidOperation(NFSException):
+    def __init__(self, err_msg: str) -> None:
+        super(NFSInvalidOperation, self).__init__(err_msg, -errno.EINVAL)
+
+
+class NFSObjectNotFound(NFSException):
+    def __init__(self, err_msg: str) -> None:
+        super(NFSObjectNotFound, self).__init__(err_msg, -errno.ENOENT)
+
+
+class FSNotFound(NFSObjectNotFound):
+    def __init__(self, fs_name: Optional[str]) -> None:
+        super(FSNotFound, self).__init__(f'filesystem {fs_name} not found')
+
+
+class ClusterNotFound(NFSObjectNotFound):
+    def __init__(self) -> None:
+        super(ClusterNotFound, self).__init__('cluster does not exist')