Kubernetes Operator Framework

Red Hat / CNCF framework for Kubernetes Operators.

Definition

Operator SDK v1.x supports Go (controller-runtime), Ansible (Ansible-runner), Helm (chart-based) scaffolding. OLM v0.27+ manages install, upgrade, dependency resolution of Operators via ClusterServiceVersion (CSV) and Subscription. OperatorHub.io catalog 350+ community Operators.

Origin

CoreOS Operator Framework 2018 (Brandon Philips, Aaron Levy), Red Hat acquisition 2018, CNCF Incubating 2020.

Usage

Standard for packaging stateful K8s workloads (databases, message queues, monitoring, networking).

Related terms

• Kubernetes CRD — mécanisme sous-jacent.
• OLM — Operator Lifecycle Manager.
• OperatorHub.io — catalogue public.