envoyproxy/envoy

Substitution Formatter w/o Headers/HTTP Components

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#20,818 opened on Apr 14, 2022

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Description

Title: Substitution Formatters That Don't Required Headers/HTTP Components

Description:

As a follow on to https://github.com/envoyproxy/envoy/issues/19685 it was discovered that Envoy does not have substitution formatters independent of HTTP components. These formatters would be useful even in network modules and they should be developed.

[optional Relevant Links:] https://github.com/envoyproxy/envoy/issues/19685 https://github.com/envoyproxy/envoy/tree/main/source/common/formatter

Contributor guide

Research direction
Examine existing HTTP substitution formatters in source/common/formatter and identify how to decouple them from HTTP components for use in network modules.
Tech stack
cpp
Domain
backendinfrastructure
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
C++Envoy internalsFormatter patterns
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40