Queries clients that have applied for access credentials in unique-certificate-per-device authentication mode in an ApsaraMQ for MQTT instance.
Debugging
Authorization information
The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- For mandatory resource types, indicate with a prefix of * .
- If the permissions cannot be granted at the resource level,
All Resourcesis used in the Resource type column of the operation.
- Condition Key: the condition key that is defined by the cloud service.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
| Operation | Access level | Resource type | Condition key | Associated operation |
|---|---|---|---|---|
| mq:MqttInstanceAccess | list | *Instance acs:mq:{#regionId}:{#accountId}:{#InstanceId} |
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| InstanceId | string | Yes | The ID of the Cloud Message Queue MQTT version instance, which must match the actual instance ID used by the client. You can obtain this ID from the Instance Details page in the console. | mqtt-xxxxxxxx |
| GroupId | string | Yes | Group ID of the MQTT version of the micro message queue. | GID_xxx |
| PageNo | string | Yes | Indicates the page number of the returned results. The starting page is counted from 1. | 1 |
| PageSize | string | Yes | The maximum number of query records to display per page. Value range: 1 to 100. | 100 |
| NextToken | string | No | Token for starting the next page query. | FFdXXXXXWa |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "020F6A43-19E6-4B6E-B846-44EB31DF****",
"DeviceCredentialClientIdList": {
"Total": 10,
"ClientIdList": [
"GID_test@@@pub-1"
],
"PageNo": 1,
"PageSize": 100,
"NextToken": "634dxxxxx75b5f"
}
}Error codes
| HTTP status code | Error code | Error message |
|---|---|---|
| 400 | ApplyTokenOverFlow | You have applied for tokens too many times. Please try again later. |
| 400 | CheckAccountInfoFailed | An error occurred while checking the account information by the STS token. |
| 400 | InstancePermissionCheckFailed | An error occurred while validating the permissions of the instance. Please verify the account that created the instance and its permissions settings. |
| 400 | ParameterCheckFailed | An error occurred while validating the parameters. The parameters may be missing or invalid. |
| 400 | PermissionCheckFailed | An error occurred while validating the resource permissions. Please check the account that created the instance, topic, and GroupId, and check their permission settings. |
| 400 | InvalidParameter.%s | An error occurred while validating the parameter. The parameter may be missing or invalid. |
| 404 | ApiNotSupport | The specified API is not supported. |
| 500 | InternalError | An error occurred while processing your request. Try again later. |
| 500 | SystemOverFlow | An error occurred while processing your request. Please try again. |
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|
