Why killing pods is not enough: Testing operator reconciliation with operator-chaos

Traditional chaos tools like Krkn or Litmus test pod restarts, which only validates Kubernetes' built-in Deployment controller — not your operator's reconciliation logic. operator-chaos is an open source Go framework that fills this gap with 20 failure injection types across four categories (infrastructure, configuration, access control, lifecycle) and four injection modes: CLI black-box, HTTP transport-level, client.Client-level, and per-action pipeline interceptors. A knowledge model YAML file teaches the framework what resources your operator manages and what healthy state looks like. The framework runs a five-phase experiment lifecycle (pre-check, inject, observe, post-check, verdict) and produces structured verdicts: Resilient, Degraded, Failed, or Inconclusive. A live demo shows cert-manager passing 18/18 experiments. The post also covers a zero-dependency chaostransport module to avoid version conflicts, ConfigMap-driven runtime fault control, and a fuzz testing harness for edge-case discovery.

Nguồn: https://developers.redhat.com/articles/2026/07/11/testing-operator-reconciliation-with-operator-chaos. 8sync News chỉ tóm tắt và dẫn link; bản quyền nội dung thuộc tác giả và nguồn gốc.

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