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-rw-r--r--nova/utils.py9
1 files changed, 9 insertions, 0 deletions
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))