Check for duplicate supplied vif MACs, and make sure
that randomly generated MACs for a domain are all different
Signed-off-by: Jody Belka <knew-xen@xxxxxxxx>
diffstat:
create.py | 11 +++++++++++
1 files changed, 11 insertions(+)
diff -durN xen.orig/tools/python/xen/xm/create.py
xen/tools/python/xen/xm/create.py
--- xen.orig/tools/python/xen/xm/create.py 2005年01月30日 00:46:29.000000000
+0100
+++ xen/tools/python/xen/xm/create.py 2005年01月31日 18:33:34.744204752 +0100
@@ -279,10 +279,15 @@
vifs = vals.vif
vifs_n = max(vals.nics, len(vifs))
+ macs = []
+ mac_vifs = {}
+
for idx in range(0, vifs_n):
if idx < len(vifs):
d = vifs[idx]
mac = d.get('mac')
+ if mac in macs:
+ gopts.err('Duplicate MAC: %s selected for both vif%i and
vif%i' % (mac, mac_vifs[mac], idx + 1))
if not mac:
mac = randomMAC()
bridge = d.get('bridge')
@@ -295,6 +300,12 @@
script = None
backend = None
ip = None
+
+ while mac in macs:
+ mac = randomMAC()
+ macs.append(mac)
+ mac_vifs[mac] = idx + 1
+
config_vif = ['vif']
config_vif.append(['mac', mac])
if bridge:
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