get_instance - Batch Compute - Alibaba Cloud Documentation Center

Parameter description

Attribute	Type	Description
job	CreateResponse, str	Job ID
task_name	str	Task name
InstanceId	String	Instance ID

Response description

The get_instance method returns a GetResponse object, which encapsulates all interfaces of the Instance class.

Instance class

Parameter description

Parameter	Type	Description
properties	dict, str, Instance object	Job running status information

Attribute description

Attribute	Type	Description
InstanceId	int	Instance ID
State	str	Instance running status
StartTime	str	Start time of the instance
EndTime	str	End time of the instance
RetryCount	int	Number of instance retries
Progross	int	Instance progress
StdoutRedirectPath	str	Directory to which standard output is redirected
StderrRedirectPath	str	Directory to which a standard error is redirected
Result	Result object	Return value of the instance

Result class

Parameter description

Parameter	Type	Description
properties	dict, str, Result object	Return value of the instance

Attribute description

Attribute	Type	Description
ExitCode	int	Command line return value
ErrorCode	str	Error code of the instance
ErrorMessage	str	Error message of the instance
Detail	str	Detailed information of the instance

Example

try:
    # Get a Client object.
    client = Client(...
    ...
    # Job ID.
    job = "job-xxxx"
    task_name = "echo_task"
    instance_id = 0
    instance_desc = client.get_instance(job, task_name, instance_id)
    print (instance_desc.InstanceId, instance_desc.State)
except ClientError, e:
    print(e)