Sonic Operator Architecture

sonic-operator is a Kubernetes operator that onboards and manages bare-metal network switches.

Components

• Controller manager reconciles CRDs and maintains status.
• Switch agent runs on the device and exposes gRPC operations.
• Provisioning server serves ZTP scripts and ONIE artifacts over HTTP.

High-level flow

1. A Switch custom resource represents a physical switch and its endpoint.
2. The controller connects to the agent and observes device state.
3. The controller creates/updates interface resources based on discovery.
4. Desired admin state is enforced on the device.

Diagram