---
title: "kube-controllers"
description: "Reference content for the kube-controllers component in Calico Open Source that watches Kubernetes API events and reconciles cluster state."
product: "Calico Open Source"
version: "3.32 (latest)"
section: "Reference"
canonical_url: "https://docs.tigera.io/calico/latest/reference/kube-controllers/"
---

# kube-controllers

## [📄️Configuring the Calico Kubernetes controllers](https://docs.tigera.io/calico/latest/reference/kube-controllers/configuration.md)

[Reference for kube-controllers configuration in Calico Open Source covering environment variables and KubeControllersConfiguration options.](https://docs.tigera.io/calico/latest/reference/kube-controllers/configuration.md)

## [📄️Monitoring kube-controllers with Prometheus](https://docs.tigera.io/calico/latest/reference/kube-controllers/prometheus.md)

[Prometheus metrics reference for the kube-controllers component in Calico Open Source covering reconcile latency and queue depth.](https://docs.tigera.io/calico/latest/reference/kube-controllers/prometheus.md)