kustomize-controller

The kustomize-controller is a Flux component, specialized in running continuous delivery pipelines for infrastructure and workloads defined with Kubernetes manifests and assembled with Kustomize.

The cluster desired state is described through a Kubernetes Custom Resource named Kustomization. Based on the creation, mutation or removal of a Kustomization resource in the cluster, the controller performs actions to reconcile the cluster current state with the desired state.

Features

• watches for Kustomization objects
• fetches artifacts produced by source-controller from Source objects
• watches Source objects for revision changes
• generates the kustomization.yaml file if needed
• generates Kubernetes manifests with Kustomize SDK
• decrypts Kubernetes secrets with Mozilla SOPS and KMS
• validates the generated manifests with Kubernetes server-side apply dry-run

• detects drift between the desired and state and cluster state
• corrects drift by patching objects with Kubernetes server-side apply

• prunes the Kubernetes objects removed from source
• checks the health of the deployed workloads
• runs Kustomizations in a specific order, taking into account the depends-on relationship
• notifies whenever a Kustomization status changes

Specifications

• API
• Controller

Guides

• Get started with Flux
• Setup Notifications
• Manage Kubernetes secrets with Flux and SOPS
• How to build, publish and consume OCI Artifacts with Flux
• Flux and Kustomize FAQ

Roadmap

The roadmap for the Flux family of projects can be found at https://fluxcd.io/roadmap/.

Contributing

This project is Apache 2.0 licensed and accepts contributions via GitHub pull requests. To start contributing please see the development guide.