Queries the network instances that are attached to a Cloud Enterprise Network (CEN) instance.
Operation description
You can use one of the following methods to query the information about the network instances that are attached to a CEN instance:
- You can query all the network instances that are attached to a CEN instance by setting the
CenIdparameter. - You can query the network instances that are attached to a CEN instance in a specified region by setting the
CenIdandChildInstanceRegionIdparameters. - You can query a specified type of network instances that are attached to a CEN instance by setting the
CenIdandChildInstanceTypeparameters.
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:
- The required resource types are displayed in bold characters.
- 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 |
|---|---|---|---|---|
| cen:DescribeCenAttachedChildInstances | get |
|
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| PageNumber | integer | No | The number of the page to return. Default value: 1. | 1 |
| PageSize | integer | No | The number of entries to return on each page. Default value: 10. Valid values: 1 to 50. | 10 |
| CenId | string | Yes | The ID of the CEN instance. | cen-j3jzhw1zpau2km**** |
| ChildInstanceType | string | No | The type of the network instance. Valid values:
| VPC |
| ChildInstanceRegionId | string | No | The ID of the region where the network instance is deployed. You can call the DescribeRegions operation to query the most recent region list. | cn-zhangjiakou |
Response parameters
Examples
Sample success responses
JSONformat
{
"PageSize": 10,
"RequestId": "B2063B16-852B-5B66-B73D-4ED4D1A5E5C2",
"PageNumber": 1,
"TotalCount": 1,
"ChildInstances": {
"ChildInstance": [
{
"ChildInstanceType": "VPC",
"Status": "Attached",
"ChildInstanceRegionId": "cn-zhangjiakou",
"ChildInstanceOwnerId": 1688000000000000,
"ChildInstanceId": "vpc-8vb1lu55yt9rlwgxl****",
"CenId": "cen-j3jzhw1zpau2km****",
"ChildInstanceAttachTime": "2021-08-10T06:27Z"
}
]
}
}Error codes
| HTTP status code | Error code | Error message | Description |
|---|---|---|---|
| 400 | InvalidParameter | Invalid parameter. | The error message returned because the parameter is set to an invalid value. |
| 400 | Unauthorized | The AccessKeyId is unauthorized. | The error message returned because you do not have the permissions to perform this operation. |
For a list of error codes, visit the Service error codes.