From 775efe6f570ae486ba91a47f31a119c42757c49b Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Thu, 16 May 2019 09:42:53 -0400
Subject: [PATCH] Fallback BootSourceOverrideMode for older systems

Older redfish implementations did not support this request attribute.  Try
with the attribute and if it fails, just don't try injecting the attribute.

Change-Id: I80b2e725822f0de9a6dd12df17b5c7347b094431
---
 pyghmi/redfish/command.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pyghmi/redfish/command.py b/pyghmi/redfish/command.py
index dfa817a6..8854f7e8 100644
--- a/pyghmi/redfish/command.py
+++ b/pyghmi/redfish/command.py
@@ -477,6 +477,11 @@ class Command(object):
             if uefiboot is not None:
                 uefiboot = 'UEFI' if uefiboot else 'Legacy'
                 payload['BootSourceOverrideMode'] = uefiboot
+                try:
+                    self._do_web_request(self.sysurl, payload, method='PATCH')
+                    return {'bootdev': reqbootdev}
+                except Exception:
+                    del payload['BootSourceOverrideMode']
         self._do_web_request(self.sysurl, payload, method='PATCH')
         return {'bootdev': reqbootdev}