You can call this operation to query the execution results of one or more Cloud Assistant commands on ECS instances.

Description

  • After you run a command, it may not succeed or achieve the expected results. You can call this operation to query the actual execution results.
  • You can query the execution information within the past two weeks. A maximum of 100,000 pieces of execution information can be retained.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DescribeInvocationResults

The operation that you want to perform. Set the value to DescribeInvocationResults.
RegionId String Yes cn-hangzhou

The region ID of the command. You can call the DescribeRegions operation to query the most recent region list.

InvokeId String No t-hz0jdfwd9f****

The ID of the execution. You can call the DescribeInvocations operation to query the execution IDs.

InstanceId String No i-bp1i7gg30r52z2em****

The ID of the instance.

CommandId String No c-hz0jdfwcsr****

The ID of the command.

InvokeRecordStatus String No Running

The status of the execution. Valid values:

  • Running
  • Finished
  • Failed
  • Stopped
IncludeHistory Boolean No false

Specifies whether to return the historical results of the recurring execution. Valid values:

  • true: returns the historical results of the recurring execution. When this parameter is set to true, the InvokeId parameter must be set to the ID of a recurring execution.
  • false: does not return the historical results of the recurring execution.

Default value: false.
ContentEncoding String No PlainText

Specifies the encoding method of the Output response parameter. Valid values:

  • PlainText: returns the original command content and command output.
  • Base64: returns Base64-encoded command content and command output.

Default value: Base64.
PageNumber Long No 1

The number of the page to return. Pages start from page 1.

Default value: 1.
PageSize Long No 1

The number of entries to return on each page.

Maximum value: 50.

Default value: 10.

Response parameters

Parameter Type Example Description
Invocation Struct

Details of the execution result.

InvocationResults Array of InvocationResult

The collection of execution results.

InvocationResult
CommandId String c-hz0jdfwcsr****

The ID of the command.

Dropped Integer 0

The size of truncated and discarded text when the size of text in the Output response parameter is larger than 24 KB.

ErrorCode String InstanceNotExists

The code for the cause why a command fails to be sent or executed. Valid values:

  • If this parameter is empty, the command is run normally.
  • InstanceNotExists: The instance does not exist or is released.
  • InstanceReleased: The instance is released while the command is being run.
  • InstanceNotRunning: The instance is not running while the command is being run.
  • CommandNotApplicable: The command is not applicable to the instance.
  • AccountNotExists: The specified account does not exist.
  • DirectoryNotExists: The specified directory does not exist.
  • BadCronExpression: The specified cron expression for the execution time is invalid.
  • ClientNotRunning: The Cloud Assistant client is not running.
  • ClientNotResponse: The Cloud Assistant client does not respond.
  • ClientIsUpgrading: The Cloud Assistant client is being upgraded.
  • ClientNeedUpgrade: The Cloud Assistant client needs to be upgraded.
  • DeliveryTimeout: The request times out.
  • ExecutionTimeout: The execution times out.
  • ExecutionException: An exception occurs while the command is being run.
  • ExecutionInterrupted: The execution is interrupted.
  • ExitCodeNonzero: The execution is complete but the exit code is not zero.
ErrorInfo String the specified instance does not exists

The detailed cause why a command fails to be sent or executed. Valid values:

  • If this parameter is empty, the command is run normally.
  • the specified instance does not exists
  • the instance has released when create task
  • the instance is not running when create task
  • the command is not applicable
  • the specified account does not exists
  • the specified directory does not exists
  • the cron job expression is invalid
  • the aliyun service is not running on the instance
  • the aliyun service in the instance does not response
  • the aliyun service in the instance is upgrading now
  • the aliyun service in the instance need upgrade
  • the command delivery has been timeout
  • the command execution has been timeout
  • the command execution got an exception
  • the command execution has been interrupted
  • the command execution exit code is not zero
ExitCode Long 0

The exit code of the command execution.

  • For Linux instances, the exit code is the exit code of the shell command.
  • For Windows instances, the exit code is the exit code of the batch or PowerShell command.
FinishedTime String 2019-12-20T06:15:56Z

The time when the execution was complete. If an execution times out, the completion time of the execution is subject to the value of the TimedOut parameter specified in the CreateCommand operation.

InstanceId String i-bp1i7gg30r52z2em****

The ID of the instance.

InvocationStatus String Success

The command execution progress on a single instance. Valid values:

  • Pending: The system is verifying or sending the command.
  • Invalid: The specified command type or parameter is invalid.
  • Aborted: The command fails to be sent. To send a command to an instance, the instance must be in the Running state and the command must be sent within one minute.
  • Running: The command is being run on the instance.
  • Success:
    • One-time execution: The execution is complete and the exit code is zero.
    • Recurring execution: The last execution succeeds, the exit code is zero, and the specified cycle ends.
  • Failed:
    • One-time execution: The execution is complete but the exit code is not zero.
    • Recurring execution: The last execution is complete, the exit code is not 0, and the specified cycle is about to end.
  • Error: The execution cannot proceed due to an exception.
  • Timeout: The execution times out.
  • Cancelled: The execution has been canceled and the command has not been started.
  • Stopping: The running command is being stopped.
  • Terminated: The command is terminated when it is being run.
  • Scheduled:
    • One-time execution: not applicable.
    • Recurring execution: The command is waiting to be run.
InvokeId String t-hz0jdfwd9f****

The ID of the execution.

InvokeRecordStatus String Running

The status of the execution.

Output String MTU6MzA6MDEK

The output of the execution.

Repeats Integer 0

The number of executions on the instance.

  • If the execution mode is one-time execution, the value is 0 or 1.
  • If the execution mode is recurring execution, the value is the number of executions that have occurred.
StartTime String 2019-12-20T06:15:55Z

The time when the command started to be run on the instance.

StopTime String 2020-01-19T09:15:47Z

The time when the command stopped being run on the instance. If you called the StopInvocation operation to manually stop the execution, the value is the time when you call the operation.

Username String root

The username that was used to run the command on the ECS instance.

PageNumber Long 1

The page number of the returned page.

PageSize Long 1

The number of entries return per page.

TotalCount Long 1

The total number of commands.

RequestId String 473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E

The ID of the request.

Examples

Sample requests

https://ecs.aliyuncs.com/?Action=DescribeInvocationResults
&RegionId=cn-hangzhou
&InstanceId=i-bp1i7gg30r52z2em****
&PageNumber=1
&PageSize=1
&<Common request parameters>

Sample success responses

XML format 

<DescribeInvocationResultsResponse>
      <RequestId>F416C43A-6581-4138-9503-4FBBC4EA1BB7</RequestId>
      <Invocation>
            <InvocationResults>
                  <InvocationResult>
                        <Dropped>0</Dropped>
                        <InvocationStatus>Failed</InvocationStatus>
                        <InstanceId>i-bp1i7gg30r52z2em****</InstanceId>
                        <ExitCode>1</ExitCode>
                        <ErrorInfo>the command execution exit code is not zero.</ErrorInfo>
                        <StartTime>2020-05-11T09:01:40Z</StartTime>
                        <Repeats>1</Repeats>
                        <InvokeRecordStatus>Finished</InvokeRecordStatus>
                        <FinishedTime>2020-05-11T09:01:41Z</FinishedTime>
                        <Output></Output>
                        <CommandId>c-hz0jdfwcsr****</CommandId>
                        <ErrorCode>ExitCodeNonzero</ErrorCode>
                        <InvokeId>t-hz0jdfwd9f****</InvokeId>
                        <StopTime></StopTime>
                  </InvocationResult>
            </InvocationResults>
            <TotalCount>5</TotalCount>
            <PageSize>1</PageSize>
            <PageNumber>1</PageNumber>
      </Invocation>
</DescribeInvocationResultsResponse>

JSON format 

{
    "RequestId": "F416C43A-6581-4138-9503-4FBBC4EA1BB7",
    "Invocation": {
        "InvocationResults": {
            "InvocationResult": [
                {
                    "Dropped": 0,
                    "InvocationStatus": "Failed",
                    "InstanceId": "i-bp1i7gg30r52z2em****",
                    "ExitCode": 1,
                    "ErrorInfo": "the command execution exit code is not zero.",
                    "StartTime": "2020-05-11T09:01:40Z",
                    "Repeats": 1,
                    "InvokeRecordStatus": "Finished",
                    "FinishedTime": "2020-05-11T09:01:41Z",
                    "Output": "",
                    "CommandId": "c-hz0jdfwcsr****",
                    "ErrorCode": "ExitCodeNonzero",
                    "InvokeId": "t-hz0jdfwd9f****",
                    "StopTime": ""
                }
            ]
        },
        "TotalCount": 5,
        "PageSize": 1,
        "PageNumber": 1
    }
}

Error codes

HTTP status code Error code Error message Description
400 RegionId.ApiNotSupported The api is not supported in this region. The error message returned because this API operation cannot be called in the specified region. Check whether the RegionId parameter is correct.
500 InternalError.Dispatch An error occurred when you dispatched the request. The error message returned because an error occurred when the request was being sent. Try again later.
403 InvalidParam.PageNumber The specified parameter is invalid. The error message returned because the specified PageNumber parameter is invalid.
403 InvalidParam.PageSize The specified parameter is invalid. The error message returned because the specified PageSize parameter is invalid.

For a list of error codes, visit the API Error Center.