envoyproxy/envoy

Why don't allow updates to statically configured clusters via `addOrUpdateCluster` function?

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#14,437 opened on Dec 16, 2020

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Description

Why don't allow updates to statically configured clusters via ClusterManagerImpl::addOrUpdateCluster at the runtime?

Contributor guide

Research direction
Examine the `addOrUpdateCluster` implementation in `source/server/cluster manager impl.cc` and understand the reasons for not allowing updates to statically configured clusters. Look at how static clusters are stored and compared during updates. Check related tests and documentation.
Tech stack
cpp
Domain
backendinfrastructure
Issue type
Research
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.
Half day
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.
Clear
Prerequisites
C++
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30