Merge "Add VIF_TYPE_VIRTUAL constant to portbindings"

neutron_lib/api/definitions/portbindings.py

@@ -91,6 +91,14 @@ VIF_TYPE_OVS = 'ovs'
 VIF_TYPE_BRIDGE = 'bridge'
 VIF_TYPE_OTHER = 'other'
 VIF_TYPE_TAP = 'tap'
+# vif_type_virtual: Used to identify bound virtual ports (e.g. ports referenced
+#                   by their IP in allowed-address-pairs). When the virtual
+#                   port is not bound to a host, the vif_type will remain
+#                   'unbound'. This vif_type will allow neutron to uniquely
+#                   identify the port as virtual, allowing it to receive
+#                   configuration updates, when other ports update their
+#                   allowed-address-pairs.
+VIF_TYPE_VIRTUAL = 'virtual'
 # vif_type_macvtap: Tells Nova that the macvtap vif_driver should be used to
 #                   create a vif. It does not require the VNIC_TYPE_MACVTAP,
 #                   which is defined further below. E.g. Macvtap agent uses

releasenotes/notes/add-virtual-vif-type-portbinding-382fb20e8af.yaml

@@ -0,0 +1,7 @@
+---
+features:
+  - |
+    Added ``VIF_TYPE_VIRTUAL`` VIF type for port_bindings to identify bound
+    virtual ports (e.g. ports referenced by their IP in allowed-address-pairs).
+    This will prevent mechanism drivers from binding these ports, avoiding
+    potential connectivity issues.