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-rw-r--r--nova/network/model.py11
1 files changed, 11 insertions, 0 deletions
diff --git a/nova/network/model.py b/nova/network/model.py
index dcee68f8c..f0a5d9d89 100644
--- a/nova/network/model.py
+++ b/nova/network/model.py
@@ -25,6 +25,17 @@ def ensure_string_keys(d):
# http://bugs.python.org/issue4978
return dict([(str(k), v) for k, v in d.iteritems()])
+# Constants for the 'vif_type' field in VIF class
+VIF_TYPE_OVS = 'ovs'
+VIF_TYPE_BRIDGE = 'bridge'
+VIF_TYPE_802_QBG = '802.1qbg'
+VIF_TYPE_802_QBH = '802.1qbh'
+VIF_TYPE_OTHER = 'other'
+
+# Constant for max length of 'bridge' in Network class
+# Chosen to match max Linux NIC name length
+BRIDGE_NAME_LEN = 14
+
class Model(dict):
"""Defines some necessary structures for most of the network models."""