ObjectMeta is metadata that all persisted resources must have, which includes all objects users must create.
spec
object(io.k8s.api.core.v1.PodSpec)
可选
PodSpec is a description of a pod.
status
object(io.k8s.api.core.v1.PodStatus)
可选
PodStatus represents information about the status of a pod. Status may trail the actual state of a system, especially if the node that hosts the pod cannot contact the control plane.
ListMeta describes metadata that synthetic resources must have, including lists and various status objects. A resource may have only one of {ObjectMeta, ListMeta}.