From e2e4c8c7e16efdd6a375ff1082a779676913b9b5 Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Mon, 11 Sep 2017 15:21:55 -0400
Subject: [PATCH] Add SMM UUID to info when available

---
 .../confluent/discovery/handlers/smm.py         | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/confluent_server/confluent/discovery/handlers/smm.py b/confluent_server/confluent/discovery/handlers/smm.py
index 954c8e9d..1244ed68 100644
--- a/confluent_server/confluent/discovery/handlers/smm.py
+++ b/confluent_server/confluent/discovery/handlers/smm.py
@@ -13,11 +13,28 @@
 # limitations under the License.
 
 import confluent.discovery.handlers.bmc as bmchandler
+import struct
+
+def fixuuid(baduuid):
+    # SMM dumps it out in hex
+    uuidprefix = (baduuid[:8], baduuid[8:12], baduuid[12:16])
+    a = struct.pack('<IHH', *[int(x, 16) for x in uuidprefix]).encode(
+        'hex')
+    uuid = (a[:8], a[8:12], a[12:16], baduuid[16:20], baduuid[20:])
+    return '-'.join(uuid).lower()
 
 class NodeHandler(bmchandler.NodeHandler):
     is_enclosure = True
     devname = 'SMM'
 
+    def scan(self):
+        # the UUID is in a weird order, fix it up to match
+        # ipmi return and property value
+        uuid = self.info.get('attributes', {}).get('uuid', None)
+        if uuid:
+            uuid = fixuuid(uuid)
+            self.info['uuid'] = uuid
+
     def config(self, nodename):
         # SMM for now has to reset to assure configuration applies
         super(NodeHandler, self).config(nodename)