envoyproxy / envoyproxy/envoy-filter-example
How to get upstream host from filter!!
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Description
Is there a way to get upstream host from http filter or network filter? callbacks_->streamInfo().upstreamHost() is alway nullptr. Basically, the custom filter needs to get lb-selected upstream host. Is it possible? I tried with upstream network filter. But upstreamHost is always nullptr. Please help.
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