a14971778a
This change fixes two endpoint-related races: * We now shut down the aws driver delete thread rather than setting it to daemon. This provides more predictable behavior in tests. Some tests started launcher endpoints out-of-band (ie, they didn't really use the launcher, but it still started and stopped outside of the main action of the test). In order to ensure that every endpoint that we start threads for is also correctly stopped, standard stop/start methods are added to endpoints and locks are used to ensure that the start/stop sequence is predictable. This also lets us use endpoints in the scheduler/web without starting background threads for them. * It was possible to create multiple endpoints for a given region if they were created around the same time since we did not use a lock around the critical section of the cache. To correct that, surrond the cache lookup with a lock and move the behavior to a mixin class for reusability. (A cachetools decorator around getEndpoint was considered but the provider object in the method signature makes that difficult). Change-Id: I5e8ca06e76fced1bb342250a953ecda576168874
Zuul
Zuul is a project gating system.
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If you are looking for the Edge routing service named Zuul that is related to Netflix, it can be found here: https://github.com/Netflix/zuul
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