Pending: The Pod is defined correctly and submitted to the Master, but the container image it contains has not yet been fully created. It is usually in the process of Master scheduling Pod.
ContainerCreating: Pod scheduling is completed and assigned to the designated Node. In the process of container creation. Usually in the process of pulling the image.
Running: All containers contained in the Pod have been successfully created and run successfully.
Successed: All containers in the Pod have successfully ended and will not be restarted. This is a final state of Pod.
Failed: All containers in the Pod ended, but at least one container ended in a failed state. This is also a final state of Pod.
Unknown: Due to some reasons, the status of the Pod cannot be obtained, usually due to an error during communication with the Pod.