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Scoping all API and RPC calls to the same context makes debugging far easier since the request will be logged. Oslo_log tries to extract the context either by explicit passing to the logger or taking it from the thread-local store. The latter does not work since some of the requests enter a queue before being processed by a different thread. Therefore the context is passed in job entering the queue and passed to every log line necessary.
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Calls, initially started from the driver, made from the agent to neutron server also used a one-time created context instead of the context associated with the call, leading to one single request id for all calls made by the agent, instead of them being tied to a client request for which they were made. For calls, made from the agent to neutron server initially triggered by the sync-loop, still use the one-time created context.
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Scoping all API and RPC calls to the same context makes debugging far easier since the request id will be logged by the agent.
Oslo_log tries to extract the context either by explicit passing to the logger or taking it from the thread-local store. The latter does not work since some of the requests enter a queue before being processed by a different thread. Therefore the context is passed in job entering the queue and passed to every log line necessary.