Queries all device certificates registered with a specified ApsaraMQ for MQTT instance. Device certificates are digital certificates issued by certificate authority (CA) root certificates for client authentication and encrypted communication between clients and brokers.
Operation description
-
Only ApsaraMQ for MQTT Enterprise Platinum Edition instances support this operation.
-
You can call this operation up to 500 times per second per Alibaba Cloud account. If you want to increase the limit, join the DingTalk group (ID: 35228338) to contact ApsaraMQ for MQTT technical support.
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Test
RAM authorization
|
Action |
Access level |
Resource type |
Condition key |
Dependent action |
|
mq:ListDeviceCertificate |
list |
*Instance
|
None |
|
Request parameters
|
Parameter |
Type |
Required |
Description |
Example |
| MqttInstanceId |
string |
Yes |
The ID of the ApsaraMQ for MQTT instance whose device certificates you want to query. |
post-cn-7mz2d****** |
| PageNo |
string |
Yes |
The page number to return. Pages start from 1. |
2 |
| PageSize |
string |
Yes |
The number of entries per page. Valid values: 1 to 100. |
10 |
Response elements
|
Element |
Type |
Description |
Example |
|
object |
Schema of Response |
||
| RequestId |
string |
The request ID. You can use it for troubleshooting. |
020F6A43-19E6-4B6E-B846-44EB31DF**** |
| Data |
object |
Query result. |
|
| Total |
integer |
Maximum number of pages in the query result. |
1 |
| PageNo |
integer |
The current page number. |
2 |
| PageSize |
integer |
The number of entries per page. |
10 |
| DeviceCertificateVOS |
array<object> |
Details of the device certificate. |
|
|
object |
|||
| ValidBegin |
string |
The time when the device certificate takes effect. The value is a Unix timestamp in milliseconds. |
1654137303000 |
| ValidEnd |
string |
The time when the device certificate expires. The value is a Unix timestamp in milliseconds. |
1969497303000 |
| DeviceSn |
string |
The serial number (SN) of the device certificate. The SN uniquely identifies a device certificate. |
356217374433****** |
| DeviceContent |
string |
The content of the device certificate. \n represents a new line. |
-----BEGIN DEVICECERTIFICATE-----\nMIIDuzCCAqdGVzdC5jbi1xaW5n******\n-----END DEVICECERTIFICATE----- |
| Status |
string |
The status of the device certificate. Valid values:
|
1 |
| CaSn |
string |
The serial number (SN) of the CA certificate to which the device certificate belongs. The SN uniquely identifies a CA certificate. |
00f26900ba87****** |
| DeviceName |
string |
The name of the device certificate. |
mqtt_device |
Examples
Success response
JSON format
{
"RequestId": "020F6A43-19E6-4B6E-B846-44EB31DF****",
"Data": {
"Total": 1,
"PageNo": 2,
"PageSize": 10,
"DeviceCertificateVOS": [
{
"ValidBegin": "1654137303000",
"ValidEnd": "1969497303000",
"DeviceSn": "356217374433******",
"DeviceContent": "-----BEGIN DEVICECERTIFICATE-----\\nMIIDuzCCAqdGVzdC5jbi1xaW5n******\\n-----END DEVICECERTIFICATE-----",
"Status": "1",
"CaSn": "00f26900ba87******",
"DeviceName": "mqtt_device"
}
]
}
}
Error codes
|
HTTP status code |
Error code |
Error message |
Description |
|---|---|---|---|
| 400 | ParameterFieldCheckFailed | Failed to validate the parameters. The parameters may be missing or invalid. | |
| 400 | MqttOwnerCheckError | Failed to validate the instance permission | |
| 500 | ParameterFieldCheckFailed | Failed to validate the parameters. The parameters may be missing or invalid. | |
| 500 | FindDeviceBySnError | Failed to find the device certificate by the SN. Please check sn is valid | |
| 500 | MqttInstanceNotFound | Specified instance is not found | |
| 403 | PermissionCheckFailed | Failed to verify API permissions. |
See Error Codes for a complete list.
Release notes
See Release Notes for a complete list.