From 072204fb8d3e351c2c6e67beb52de175cad0c979 Mon Sep 17 00:00:00 2001
From: Michael DeHaan <mdehaan@redhat.com>
Date: Thu, 8 May 2008 10:09:08 -0400
Subject: Apply John Eckersberg's patch to allow random mac usage from the
 command line.

---
 cobbler/utils.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'cobbler/utils.py')

diff --git a/cobbler/utils.py b/cobbler/utils.py
index 7bd37ad..14019e8 100644
--- a/cobbler/utils.py
+++ b/cobbler/utils.py
@@ -17,6 +17,7 @@ import os
 import re
 import socket
 import glob
+import random
 import sub_process
 import shutil
 import string
@@ -111,6 +112,26 @@ def is_mac(strdata):
         return True
     return False
 
+def get_random_mac(api_handle):
+    """
+    Generate a random MAC address.
+    from xend/server/netif.py
+    Generate a random MAC address.
+    Uses OUI 00-16-3E, allocated to
+    Xensource, Inc.  Last 3 fields are random.
+    return: MAC address string
+    """
+    mac = [ 0x00, 0x16, 0x3e,
+        random.randint(0x00, 0x7f),
+        random.randint(0x00, 0xff),
+        random.randint(0x00, 0xff) ]
+    mac = ':'.join(map(lambda x: "%02x" % x, mac))
+    systems = api_handle.systems()
+    while ( systems.find(mac_address=mac) ):
+        mac = get_random_mac(api_handle)
+
+    return mac
+
 
 def resolve_ip(strdata):
     """
-- 
cgit