From 9728ae541fc211e66260410b5dcb3bb3a92361ec Mon Sep 17 00:00:00 2001
From: Brad Hall <brad@nicira.com>
Date: Fri, 20 Jan 2012 17:25:08 -0800
Subject: Add support for pluggable l3 backends

This will allow us to support backends other than linux_net (i.e.
quantum L3 when it is available) for defining L3 connectivity.

Change-Id: I0b2ece2278bd68166741107a88cedd106d1ab651
---
 nova/utils.py | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'nova/utils.py')

diff --git a/nova/utils.py b/nova/utils.py
index 675ec8623..0d3067fd3 100644
--- a/nova/utils.py
+++ b/nova/utils.py
@@ -1399,3 +1399,12 @@ def service_is_up(service):
     # Timestamps in DB are UTC.
     elapsed = total_seconds(utcnow() - last_heartbeat)
     return abs(elapsed) <= FLAGS.service_down_time
+
+
+def generate_mac_address():
+    """Generate an Ethernet MAC address."""
+    mac = [0x02, 0x16, 0x3e,
+           random.randint(0x00, 0x7f),
+           random.randint(0x00, 0xff),
+           random.randint(0x00, 0xff)]
+    return ':'.join(map(lambda x: "%02x" % x, mac))
-- 
cgit