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ApsaraDB RDS:AllocateInstancePublicConnection

Last Updated:Jan 16, 2024

Apply for a public endpoint for an ApsaraDB RDS instance

Operation description

Supported database engines

  • MySQL
  • PostgreSQL
  • SQL Server
  • MariaDB

References

Note Before you call this operation, read the following documentation and make sure that you fully understand the prerequisites and impacts of this operation.

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.
OperationAccess levelResource typeCondition keyAssociated operation
rds:AllocateInstancePublicConnectionWRITE
  • DBInstance
    acs:rds:{#regionId}:{#accountId}:dbinstance/{#dbinstanceId}
  • rds:ResourceTag
none

Request parameters

ParameterTypeRequiredDescriptionExample
DBInstanceIdstringYes

The instance ID. You can call the DescribeDBInstances operation to query the instance ID.

rm-uf6wjk5*****
ConnectionStringPrefixstringYes

The prefix of the public endpoint. A valid public endpoint is in the following format: Prefix.Database engine.rds.aliyuncs.com. Example: test1234.mysql.rds.aliyuncs.com.

Note The value can be 5 to 40 characters in length and can contain letters, digits, and hyphens (-). The value cannot contain any of the following characters: ~ ! # % ^ & * = + | {} ; : ' " , <> / ?
test1234
PortstringYes

The public port of the instance. Valid values: 1000 to 5999.

3306
BabelfishPortstringNo

The Tabular Data Stream (TDS) port of the instance for which Babelfish is enabled.

Note This parameter applies only to ApsaraDB RDS for PostgreSQL instances. For more information about Babelfish for ApsaraDB RDS for PostgreSQL, see Introduction to Babelfish.
1433
GeneralGroupNamestringNo

The name of the dedicated cluster to which the instance belongs. This parameter is available only when the instance is created in an ApsaraDB MyBase cluster that runs MySQL on Standard Edition.

rgc-bp1tkv8*****
PGBouncerPortstringNo

The PgBouncer port.

Note This parameter is available only for instances that run PostgreSQL.
6432

Response parameters

ParameterTypeDescriptionExample
object

The response parameters.

DbInstanceNamestring

The ID of the instance.

rm-bp1*****
RequestIdstring

The ID of the request.

65BDA532-28AF-4122-AA39-B382721EEE64
ConnectionStringstring

The endpoint that is used to connect to the database instance.

test*****.mysql.rds.aliyuncs.com

Examples

Sample success responses

JSONformat

{
  "DbInstanceName": "rm-bp1*****",
  "RequestId": "65BDA532-28AF-4122-AA39-B382721EEE64",
  "ConnectionString": "test*****.mysql.rds.aliyuncs.com"
}

Error codes

HTTP status codeError codeError messageDescription
400OtherEndpoint.ExistOther endpoint exist.The prefix of the public endpoint already exists.
400IncorrectDBInstanceStateThe current instance state does not support this operation.The operation is not supported. The RDS instance is not in a ready state.
400ConnectionStringContainIllegalCharacterFaultThe connection string contain Illegal character.The endpoint contains invalid characters. Modify the endpoint and try again.
400InvalidInstanceNetworkTypeThe specified InstanceNetworkType is invalid.The specified InstanceNetworkType is invalid.
400InvalidConnectionString.FormatSpecified connection string is not valid.The endpoint of the RDS instance is invalid. The prefix of the endpoint must be 5 to 40 characters in length.
400InvalidPort.MalformedSpecified port is not valid.The port number is invalid.
400InvalidVpcIdRegion.NotSupportedThe specified region does not allow you to create a VPC instance.-
400InvalidInstanceNetworkType.ValueNotSupportedThe specified parameter "InstanceNetworkType" is not valid.The network type failed the verification check. The supported network types are VPC and classic network.
400InvalidBizType.FormatSpecified biz type is not valid.-
400EndpointNum.ErrorThe number of endpoint is too many.-
400EndpointNum.ErrorEndpoint number error.-
403Invalid.DbInstanceNetTypeThe specified parameter DbInstanceNetType is not valid.The network type of the RDS instance is invalid. Set the network type to Internet or Intranet.
403OperationDenied.SwitchToVPCSpecified instance cannot be switched to VPC.The network type of the RDS instance cannot be changed to VPC.
404InvalidConnectionString.DuplicateSpecified connection string already exists in the Aliyun RDS.The endpoint is duplicate. Specify a different endpoint.

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2023-09-08The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Error Codes 400 change
    delete Error Codes: 403
    Added Error Codes: 404
2023-06-27The Error code has changed. The request parameters of the API has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    delete Error Codes: 400
    delete Error Codes: 403
Input ParametersThe request parameters of the API has changed.
    Added Input Parameters: PGBouncerPort
2023-06-12The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Error Codes 400 change
    delete Error Codes: 403
2022-10-28The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Error Codes 400 change
    Added Error Codes: 403
2022-06-23API Description Update. The Error code has changedsee changesets
Change itemChange content
API DescriptionAPI Description Update.
Error CodesThe Error code has changed.
    delete Error Codes: 400
2022-02-23The Error code has changed. The request parameters of the API has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    delete Error Codes: 400
Input ParametersThe request parameters of the API has changed.
    Added Input Parameters: BabelfishPort