envoyproxy/envoy

Retry policy that triggers when both status code and response header conditions are satisfied

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#25.542 aperta il 14 feb 2023

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area/retryenhancementhelp wanted

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Current documentation highlights several ways to set up retries in the retry policy. Still, I can't seem to find an approach based on specific response headers AND specific status codes as a compound condition. retriable-status-codes and retriable-headers can be used together, in which case the retry would happen if either of these is satisfied.

I am looking for a way to retry the request only if a conjunction of response headers and status codes is true. I believe a response header counterpart to retriable_request_headers would work, as the documentation says that the headers there MUST be present for a retry to occur. For response headers though, I found only retriable-headers that trigger a retry whenever a header is matched, regardless of other conditions (in my case status codes). Did I miss something and there is a solution?

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