add aws_eventstream_to_metadata filter for aws stream parsing#44094
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cqi1217 wants to merge 1 commit intoenvoyproxy:mainfrom
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add aws_eventstream_to_metadata filter for aws stream parsing#44094cqi1217 wants to merge 1 commit intoenvoyproxy:mainfrom
cqi1217 wants to merge 1 commit intoenvoyproxy:mainfrom
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Signed-off-by: cqi1217 <caiqi1217@gmail.com>
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Commit Message: Add aws_eventstream_to_metadata filter
Additional Description:
This PR is adding a new HTTP filter for extracting values from AWS eventstream responses and writing them into dynamic metadata. This filter is similar to sse_to_metadata filter(#42762).
Key Architecture
Filter Layer (envoy.filters.http.sse_to_metadata): Handles SSE protocol parsing(aws: Adds extension common util for parsing AWS eventstream #43544), buffering, and metadata writing
Parser Interface (envoy.content_parser): Generic interface for parsing SSE event data fields
JSON Parser (envoy.content_parsers.json): First implementation supporting JSON path-based extraction with on_present/on_missing/on_error semantics
Risk Level: Low (new http filter)
Testing: unit tests and integration tests
Docs Changes: Added documentation for aws_eventstream_to_matadata filter
Release Notes:
Fixes #43492