The MySQL operator uses orchestrator, a tool developed by GitHub for MySQL replication topology management and high availability. By default, the operator is deployed alongside with the operator.
Access the orchestrator
<release-name>-mysql-operator exposes port 80. Via this port you will be able to talk to the orchestrator leader.
You can either port forward this service to localhost, or use a service of type load balancer or enable the ingress.
kubectl port-forward service/<release-name>-mysql-operator 8080:80
localhost:8080 in a browser.