管理模型和作业

状态：

• STATE_UNSPECIFIED The job state is unspecified.
• QUEUED The job has been just created and processing has not yet begun.
• PREPARING The service is preparing to run the job.
• RUNNING The job is in progress.
• SUCCEEDED The job completed successfully.
• FAILED The job failed. errorMessage should contain the details of the failure.
• CANCELLING The job is being cancelled. errorMessage should describe the reason for the cancellation.
• CANCELLED The job has been cancelled. errorMessage should describe the reason for the cancellation.