[
    {
        "op": "add",
        "path": "/spec/template/spec/containers/0/env",
        "value": [
            {
                "name": "NODE_NAME",
                "valueFrom": {
                    "fieldRef": {
                        "apiVersion": "v1",
                        "fieldPath": "spec.nodeName"
                    }
                }
            }
        ]
    },
    {
        "op": "add",
        "path": "/spec/template/spec/containers/0/command/-",
        "value": "--hostname-override=${NODE_NAME}"
    }
]