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delete_port() calls to disassociate_floatingips() while in transaction. The latter method sends RPC notification which may result in eventlet yield. If yield switches a thread to another one that tries to access the same floating IP object in db as disassociate_floatingips() method does, we're locked and get db timeout. We should avoid calling to notifier while under transaction. To achieve this, I introduce a do_notify argument that controls whether notification is done by disassociate_floatingips() itself or delegated to caller. Callers that call to disassociate_floatingips() from under transactions should handle notifications on their own. For this, disassociate_floatingips() returns a set of routers that require notification. Updated drivers to reflect new behaviour. Added unit test. Change-Id: I2411f2aa778ea088be416d062c4816c16f49d2bf Closes-Bug: 1330955
PLUMgrid Neutron Plugin for Virtual Network Infrastructure (VNI) This plugin implements Neutron v2 APIs and helps configure L2/L3 virtual networks consisting of PLUMgrid Platform. Implements External Networks and Port Binding Extension For more details on use please refer to: http://wiki.openstack.org/PLUMgrid-Neutron