You can call this operation to query the databases at a specified time or the databases in a specified backup set before you restore a database for an ApsaraDB for MongoDB instance.

You can call the CreateDBInstance operation to restore a single database. For more information, see Restore data to a new ApsaraDB for MongoDB instance.

Before you call this operation, make sure that the following requirements are met:

  • The instance was created after March 26, 2019.
  • The instance is located in China (Qingdao), China (Beijing), China (Zhangjiakou-Beijing Winter Olympics), China (Hohhot), China (Hangzhou), China (Shanghai), China (Shenzhen), or Singapore (Singapore). Other regions are not supported.
  • The instance is a replica set instance.
  • The instance version is <ph props="intl">3.4 or 4.0</ph><ph props="china">3.4, 4.0, or 4.2</ph>.
  • The storage engine of the instance is WiredTiger. RocksDB and TerarkDB are not supported.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DescribeBackupDBs

The operation that you want to perform. Set the value to DescribeBackupDBs.

SourceDBInstance String Yes dds-bpxxxxxxxx

The ID of the source instance.
PageNumber Integer No 1

The number of the page to return. The value must be a positive integer. Default value: 1.

PageSize Integer No 30

The number of entries to return on each page. Valid values: 30, 50, and 100. Default value: 30.

RestoreTime String No 2019-08-22T12:00:00Z

The time to which the instance will be restored. Specify the time in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC.

Note
  • It can be any time within the past seven days. The time must be earlier than the current time, but later than the time when the database was created.
  • You must specify this parameter or the BackupId parameter.
BackupId String No 5664xxxx

The ID of the backup.

Note
  • You can call DescribeBackups to query the backup ID.
  • You must specify this parameter or the RestoreTime parameter.
ResourceGroupId String No sg-bpxxxxxxxxxxxxxxxxxx

The ID of the resource group.

Response parameters

Parameter Type Example Description
Databases Array

The list of databases.
Database
DBName String mongodbtest

The name of the database.
PageNumber Integer 1

The page number of the returned page.
TotalCount Integer 5

The number of databases.
PageSize Integer 30

The number of entries returned per page.
RequestId String 1AF0AD89-ED4F-44AD-B65F-BFC1D5CD9455

The ID of the request.

Examples

Sample requests

http(s)://mongodb.aliyuncs.com/? Action=DescribeBackupDBs
&SourceDBInstance=dds-bpxxxxxxxx
&RestoreTime=2019-08-22T12:00:00Z
&<Common request parameters>

Sample success responses

XML format 

<DescribeBackupDBsResponse>
      <Databases>
            <Database>
                  <DBName>admin</DBName>
            </Database>
            <Database>
                  <DBName>config</DBName>
            </Database>
            <Database>
                  <DBName>mongodbtest</DBName>
            </Database>
            <Database>
                  <DBName>db1</DBName>
            </Database>
            <Database>
                  <DBName>db2</DBName>
            </Database>
      </Databases>
      <PageNumber>1</PageNumber>
      <TotalCount>5</TotalCount>
      <PageSize>30</PageSize>
      <RequestId>1AF0AD89-ED4F-44AD-B65F-BFC1D5CD9455</RequestId>
</DescribeBackupDBsResponse>

JSON format 

{
    "Databases": {
        "Database": [
            {
                "DBName": "admin"
            },
            {
                "DBName": "config"
            },
            {
                "DBName": "mongodbtest"
            },
            {
                "DBName": "db1"
            },
            {
                "DBName": "db2"
            }
        ]
    },
    "PageNumber": 1,
    "TotalCount": 5,
    "PageSize": 30,
    "RequestId": "1AF0AD89-ED4F-44AD-B65F-BFC1D5CD9455"
}

Error codes

HttpCode Error code Error message Description
403 IncorrectDBInstanceType Current DB instance type does not support this operation. The error message returned because the operation is not supported by the current instance type.

For a list of error codes, visit the API Error Center.