[DPM] Handle failure of sending TopicInfo to host

futurewei-cloud / alcor

Alcor: Cloud native SDN platform powered by Kubernetes and Istio

MIT License

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[DPM] Handle failure of sending TopicInfo to host #727

Closed VanderChen closed 2 years ago

VanderChen commented 2 years ago

This issue should be linked to PR #726.

A rollback mechanism needs to be added in VPC-mode TopicManager. Specifically, when sending topic info using gRPC fails, the write operation of the TopicInfoCache needs to be rolled back.