Add retry to _create_ha_port_binding
Since _create_ha_port_binding creates a RouterPort object, it bumps the revision of the Router in an atomic fashion. If something else modified the Router concurrently, StaleDataError may be thrown. In that case we just want to retry the function. Closes-Bug: #1654998 Change-Id: I7a4c58a4476ca85209d28c2d3a2cb61268e3cab6
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@ -295,6 +295,7 @@ class L3_HA_NAT_db_mixin(l3_dvr_db.L3_NAT_with_dvr_db_mixin,
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return num_agents
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@db_api.retry_if_session_inactive()
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def _create_ha_port_binding(self, context, router_id, port_id):
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try:
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with context.session.begin():
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