envoyproxy/envoy
Ver no GitHubAccessing request headers in envoy_on_response (lua HTTP filter).
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#4.613 aberto em 5 de out. de 2018
area/luahelp wanted
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Description
I'm trying to use a lua HTTP filter to set a response header whose value depends on a request header.
As a simple example, suppose we want to copy a header from the request to the response. How can we do this using a lua filter?
Maybe we can store the request header in a "global" table during envoy_on_request and read it later when envoy_on_response is called. However, even if this approach makes sense, how can we correlate responses with requests to be able to do this?