From fcf7bbb5187c26b6191392ae412ad0b4fa00b80b Mon Sep 17 00:00:00 2001
From: Julia Kreger <juliaashleykreger@gmail.com>
Date: Wed, 15 Nov 2017 17:20:18 -0500
Subject: [PATCH] Add raises note to disk_utils.get_disk_identifier

get_disk_identifier can raise OSError when the underlying
method that is called, and hexdump is missing. Updating the
docstring to convey it appropriately.

Change-Id: Ia57bf10e40f89e095154b0d88d40b63d835de03a
Related-Bug: #1732470
---
 ironic_lib/disk_utils.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ironic_lib/disk_utils.py b/ironic_lib/disk_utils.py
index 98c4a451..c8115512 100644
--- a/ironic_lib/disk_utils.py
+++ b/ironic_lib/disk_utils.py
@@ -140,6 +140,7 @@ def get_disk_identifier(dev):
     http://www.syslinux.org/wiki/index.php/Comboot/chain.c32#mbr:
 
     :param dev: Path for the already populated disk device.
+    :raises OSError: When the hexdump binary is unavailable.
     :returns: The Disk Identifier.
     """
     disk_identifier = utils.execute('hexdump', '-s', '440', '-n', '4',