From d3ffcd500875f8f48752ce9945f57fd73972d67c Mon Sep 17 00:00:00 2001
From: Samantha Blanco <samantha.blanco@att.com>
Date: Fri, 4 Nov 2016 14:18:59 -0400
Subject: [PATCH] Fixes hpelefthandclient AttributeError

Adds check during setup in hpe_lefthand_iscsi.py to see if
python-lefthandclient is installed.

Change-Id: Ia2dce33e0f72132167edeccdefa46d253f40c2cd
Closes-Bug: #1525321
---
 cinder/volume/drivers/hpe/hpe_lefthand_iscsi.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/cinder/volume/drivers/hpe/hpe_lefthand_iscsi.py b/cinder/volume/drivers/hpe/hpe_lefthand_iscsi.py
index f97d0a2d3a0..9a9729f9918 100644
--- a/cinder/volume/drivers/hpe/hpe_lefthand_iscsi.py
+++ b/cinder/volume/drivers/hpe/hpe_lefthand_iscsi.py
@@ -329,6 +329,14 @@ class HPELeftHandISCSIDriver(driver.ISCSIDriver):
 
     def do_setup(self, context):
         """Set up LeftHand client."""
+        if not hpelefthandclient:
+            # Checks if client was successfully imported
+            ex_msg = (_("HPELeftHand client is not installed. Please"
+                        " install using 'pip install "
+                        "python-lefthandclient'."))
+            LOG.error(ex_msg)
+            raise exception.VolumeDriverException(ex_msg)
+
         if hpelefthandclient.version < MIN_CLIENT_VERSION:
             ex_msg = (_("Invalid hpelefthandclient version found ("
                         "%(found)s). Version %(minimum)s or greater "