// PodTemplate provides customisation options (labels, annotations, affinity rules, resource requests, and so on) for the Pods belonging to this OAP server.
// NodeSelector is a selector which must be true for the pod to fit on a node.
// Selector which must match a node's labels for the pod to be scheduled on that node.
// More info: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/