Technology · Ebook

Kuberhealthy: Synthetic Monitoring for Kubernetes

by Shriira Press

Kuberhealthy is a CNCF sandbox operator that turns continuous process verification into a first-class Kubernetes concern. Instead of inferring health from component metrics, it runs synthetic checks — small checker pods that perform a real workflow, observe the outcome, and report pass or fail. You describe a check as a KuberhealthyCheck custom resource, the operator schedules it on an interval, and results flow out as a JSON status page and Prometheus metrics. This book moves from the problem synthetic monitoring solves, through the operator's architecture, the check resource, the catalogue of built-in checks, the reporting protocol for writing custom checks in any language, and the observability and operational practices that make Kuberhealthy a dependable early-warning system for your clusters.

Contents

1. 1Preface
2. 2Chapter 1 — Why Synthetic Monitoring
3. 3Chapter 2 — Checks as Pods
4. 4Chapter 3 — Architecture
5. 5Chapter 4 — The KuberhealthyCheck Resource
6. 6Chapter 5 — The Built-in Checks
7. 7Chapter 6 — Writing Custom Checks
8. 8Chapter 7 — Kuberhealthy in Practice