Querying Details About a Specified Task

Typical Scenario

After a device software or firmware upgrade task is created, an NA can call this API to query details about the upgrade task, including the configuration and execution status.

API Function

This API is used by an NA to query details about a software or firmware upgrade task, including the configuration and execution status.

API Prototype

Method	GET
URL	https://server:port/iodm/northbound/v1.5.0/operations/{operationId}
Transport Protocol	HTTPS

Request Parameters

Parameter	Mandatory or Optional	Type	Location	Description
app_key	Mandatory	String	header	Identifies an application that can be accessed on the IoT platform. The value of this parameter is allocated by the IoT platform when the application is created on the platform.
Authorization	Mandatory	String	header	Indicates the authentication information for accessing the IoT platform. The value is Bearer {accessToken}, in which {accessToken} indicates the access token returned by the Authentication API.
operationId	Mandatory	String	path	Identifies an operation task. The value of this parameter is returned by the IoT platform after the operation task is created.

Response Parameters

Status Code: 200 OK

Parameter	Type	Description
operationId	String	Identifies an operation task.
createTime	String	Indicates the time when the operation task is created. The time format is yyyyMMdd'T'HHmmss'Z'. An example value is 20151212T121212Z.
startTime	String	Indicates the time when the operation task is started. The time format is yyyyMMdd'T'HHmmss'Z'. An example value is 20151212T121212Z.
stopTime	String	Indicates the time when the operation task is stopped. The time format is yyyyMMdd'T'HHmmss'Z'. An example value is 20151212T121212Z.
operateType	String	Indicates the operation type. firmware_upgrade software_upgrade
targets	OperateDevices	Indicates the target device on which the operation is performed.
policy	OperatePolicy	Indicates the operation execution policy.
status	String	Indicates the status of the operation task. wait: The operation task is waiting to be executed. processing: The operation task is being executed. failed: The operation task fails to be executed. success: The operation task is successfully executed. stop: The operation task stops being executed.
staResult	OperationStaResult	Indicates the statistics on operation results.
extendPara	Map<String, String>	Indicates extended information of the operation task. The value of this parameter varies depending on the operation type.

OperateDevices structure

Parameter	Type	Description
deviceGroups	List<String>	Indicates the device group name list. A maximum of 256 device groups are supported. Either this parameter or devices must be specified.
deviceType	String	Indicates the device type. This parameter must be specified when a device group is specified.
model	String	Indicates the device model. This parameter must be specified when a device group is specified.
manufacturerName	String	Indicates the manufacturer name. This parameter must be specified when a device group is specified.
devices	List<String>	Indicates the device ID list. A maximum of 256 devices are supported. Either this parameter or deviceGroups must be specified.

OperatePolicy structure

Parameter	Type	Description
executeType	String	Indicates the execution type. The default value is now. now: The operation task is executed now. device_online: The operation task is executed when a device goes online. custom: The execution type is customized.
startTime	String	Indicates the start time of the operation task. This parameter must be specified when executeType is set to custom. The value is in the format of yyyyMMdd'T'HHmmss'Z'. An example value is 20151212T121212Z.
endTime	String	Indicates the end time of the operation task. This parameter must be specified when executeType is set to custom. The value is in the format of yyyyMMdd'T'HHmmss'Z'. An example value is 20151212T121212Z.
retryType	Boolean	Indicates whether the platform retries the task upon an execution failure. The default value is false. true: Retry is performed. false: The platform does not retry the task.
retryTimes	Integer	Indicates the number of retries. The value ranges from 1 to 5. This parameter must be specified when retryType is set to true.

OperationStaResult structure

Parameter	Type	Description
total	Integer(64)	Indicates the number of operated devices.
wait	Integer(64)	Indicates the number of devices waiting to be operated.
processing	Integer(64)	Indicates the number of devices that are being operated.
success	Integer(64)	Indicates the number of devices that are operated successfully.
fail	Integer(64)	Indicates the number of devices that fail to be operated.
stop	Integer(64)	Indicates the number of devices that stop being operated.
timeout	Integer(64)	Indicates the number of devices that fail to be operated due to a timeout.

Request Example

Method: GET
Request:
https://server:port/iodm/northbound/v1.5.0/operations/{operationId}
Header:
app_key: ******
Authorization: Bearer ******
Content-Type: application/json

Response Example

Response:
Status Code: 200 OK
Content-Type: application/json
Body:
{
  "operationId": "**********",
  "createTime": "20151212T121212Z",
  "startTime": "20151212T121212Z",
  "stopTime": null,
  "operateType": "software_upgrade",
  "targets": {
    "deviceGroups": null,
    "deviceType": "******",
    "model": "******",
    "manufacturerName": "***",
    "devices": [
      "**********"
    ]
  },
  "policy": null,
  "status": "FAIL",
  "staResult": {
    "wait": 0,
    "processing": 0,
    "success": 0,
    "fail": 1,
    "stop": 0,
    "timeout": 0
  },
  "extendPara": {
    "fileVersion": "V1.1.10"
  }
}

Error Code

HTTP Status Code	Error Code	Error Description	Remarks
400	120015	Bad request error.	A request error occurs. Recommended handling: Check whether the format of fileId carried in the API request is correct.
403	1010009	app throttle exceed.	The NA calls the API at a frequency that exceeds the flow control threshold (100 calls per minute by default). Recommended handling: Contact IoT platform maintenance personnel to adjust the flow control threshold or control the API call frequency.
403	1010005	App_key or access_token is invalid.	The access token is invalid. Recommended handling: Check whether accessToken carried in the API request is correct.
404	123009	The requested task does not exist.	The queried task does not exist. Recommended handling: Check whether operationId carried in the API request is correct.