It is built based on the Custom Resource Definition (CRD) and its associated Controller, covering domain or application-specific knowledge to automate the entire life cycle of the software it manages.
By default, the key of the node label is set to kubernetes.io/hostname in Nebula Operator.
These features aim to allow Nebula Operator to manage Nebula Graph clusters more securely and conveniently on behalf of you.
Nebula Operator is now open-sourced and can be accessed via GitHub: https://github.com/vesoft-inc/nebula-operator.