DescribeGrantRulesToCen - Cloud Enterprise Network - Alibaba Cloud Documentation Center

Queries the network instances of other Alibaba Cloud accounts that have granted permissions to a Cloud Enterprise Network (CEN) instance.

Operation description

Before you call the DescribeGrantRulesToCen operation, make sure that all request parameters are valid. If a request parameter is invalid, a request ID is returned, but the network instances are not returned.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Debug

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 Resources is 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:DescribeGrantRulesToCen	Read	CenInstance acs:cen:*:{#accountId}:ceninstance/{#ceninstanceId}	none	none

Request parameters

Parameter	Type	Required	Description	Example
RegionId	string	Yes	The region ID of the network instance. You can call the DescribeChildInstanceRegions operation to query the most recent region list.	cn-hangzhou
CenId	string	Yes	The CEN instance ID.	cen-nye53d7p3hzyu4****
ProductType	string	Yes	The type of the network instance. Valid values: VPC VBR CCN VPN	VPC
MaxResults	long	No	If you do not set MaxResults, it indicates that you do not need to query results in batches. The value of MaxResults in the response indicates the total number of entries returned. If you specify a value for MaxResults, it indicates that you need to query results in batches. The value of MaxResults indicates the number of entries to return in each batch. Valid values: 1 to 100. The value of MaxResults in the response indicates the number of entries in the current batch. We recommend that you set MaxResults to 20.	20
NextToken	string	No	The pagination token that is used in the next request to retrieve a new page of results. Valid values: You do not need to specify this parameter for the first request. You must specify the token that is obtained from the previous query as the value of NextToken.	FFmyTO70tTpLG6I3FmYAXGKPd****
ChildInstanceId	string	No	The ID of the network instance that you want to query.	vpc-rj9gt5nll27onu7****
ChildInstanceOwnerId	long	No	The ID of the Alibaba Cloud account to which the network instance belongs.	125012345612****

Response parameters

Parameter	Type	Description	Example
	object	The response parameters.
RequestId	string	The request ID.	4906B209-8613-5C19-9CC9-B7A3FFDA731C
GrantRules	object []	The permissions that are granted to the CEN instance.
ChildInstanceType	string	The type of the network instance. Valid values: VPC: VPC VBR: VBR CCN: CCN instance VPN: IPsec-VPN connection	VPC
ChildInstanceRegionId	string	The region ID of the network instance.	cn-hangzhou
ChildInstanceOwnerId	long	The ID of the Alibaba Cloud account to which the network instance belongs.	1250123456123456
ChildInstanceId	string	The ID of the network instance.	vpc-bp1rgeww9mdstuuar****
CenId	string	The ID of the CEN instance.	cen-nye53d7p3hzyu4****
OrderType	string	The entity that pays the fees of the network instance. Valid values: PayByCenOwner: The fees of the connections and data forwarding on the transit router are paid by the Alibaba Cloud account to which the CEN instance belongs. PayByResourceOwner: The fees of the connections and data forwarding on the transit router are paid by the Alibaba Cloud account to which the network instance belongs.	PayByCenOwner
CenOwnerId	long	The ID of the Alibaba Cloud account to which the CEN instance belongs.	1210123456123456
CreateTime	long	The time when the permissions were granted to the CEN instance. The time follows the ISO 8601 standard in the YYYY-MM-DDThh:mm:ssZ format. The time is displayed in UTC.	2024-01-24T16:27Z
TotalCount	long	The total number of entries returned.	1
MaxResults	long	If no value is specified for MaxResults, query results are returned in one batch. The value of MaxResults indicates the total number of entries. If a value is specified for MaxResults, it indicates that you need to query results in batches. The value of MaxResults in the response indicates the number of entries in the current batch.	20
NextToken	string	The returned value of NextToken is a pagination token, which can be used in the next request to retrieve a new page of results. Valid values: If NextToken is empty, no next page exists. If a value of NextToken was returned in the previous query, specify the value to obtain the next set of results.	FFmyTO70tTpLG6I3FmYAXGKPd****

Examples

Sample success responses

JSONformat

{
  "RequestId": "4906B209-8613-5C19-9CC9-B7A3FFDA731C",
  "GrantRules": {
    "GrantRule": [
      {
        "ChildInstanceType": "VPC",
        "ChildInstanceRegionId": "cn-hangzhou",
        "ChildInstanceOwnerId": 1250123456123456,
        "ChildInstanceId": "vpc-bp1rgeww9mdstuuar****",
        "CenId": "cen-nye53d7p3hzyu4****",
        "OrderType": "PayByCenOwner",
        "CenOwnerId": 1210123456123456,
        "CreateTime": 0
      }
    ]
  },
  "TotalCount": 1,
  "MaxResults": 20,
  "NextToken": "FFmyTO70tTpLG6I3FmYAXGKPd****"
}

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	MissingParameter	Missing parameter.	The error message returned because one or more required parameters are not set.
400	InvalidParameter.RegionId	The specified Region Id is invalid.	The error message returned because the specified region ID is invalid.
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.

Change history

Change time

Summary of changes

Operation

2023-12-26

The Error code has changed. The response structure of the API has changed

see changesets

Change item	Change content
Error Codes	The Error code has changed.
	delete Error Codes: 400
Output Parameters	The response structure of the API has changed.

2023-05-05

The Error code has changed. The request parameters of the API has changed

see changesets

Change item	Change content
Error Codes	The Error code has changed.
	delete Error Codes: 400
Input Parameters	The request parameters of the API has changed.
	Added Input Parameters: ChildInstanceId
	Added Input Parameters: ChildInstanceOwnerId