envoyproxy/envoy

Use response_headers_to_add for Envoy-generated error responses

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#8,944 创建于 2019年11月8日

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描述

On events like a request timeout, Envoy sends a locally generated response (the sendLocalReply function). But it doesn't use the response_headers_to_add config option. Which could be useful when response_headers_to_add has some diagnostic information (e.g. the %REQ(x-request-id)% which was added in #8683)

We can fix this by adding finalizeResponseHeaders calls before sendLocalReply calls, in functions like onUpstreamAbort.

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