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Bastionhost:ListDatabases

Last Updated:Sep 29, 2026

Queries the databases of a specified Bastionhost instance.

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RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

yundun-bastionhost:ListDatabases

list

*All Resource

*

None None

Request parameters

Parameter

Type

Required

Description

Example

InstanceId

string

Yes

The instance ID of the Bastionhost instance.

Note

You can invoke the DescribeInstances operation to obtain this parameter.

bastionhost-cn-7mz28f5tk0o

RegionId

string

No

The region ID of the Bastionhost instance.

Note

For more information about the mapping between region IDs and region names, see Regions and zones.

cn-hangzhou

PageNumber

string

No

The page number of the current page for paging in a paged query. Default value: 1.

1

PageSize

string

No

The maximum number of entries to return on each page for paging in a paged query.
The maximum value of the PageSize parameter is 100. Default value: 20. If this parameter is left empty, 20 entries are returned by default.

Note

Do not leave the PageSize parameter empty.

20

DatabaseType

string

No

The type of the database. Valid values:

  • MySQL

  • Oracle

  • PostgreSQL

  • SQLServer

MySQL

NetworkDomainId

string

No

The ID of the network domain to which the database belongs.

2

Source

string

No

The source of the database. Valid values:

  • Local: local database instance

  • Rds: ApsaraDB RDS instance

  • PolarDB: PolarDB instance

Local

HostGroupId

string

No

The ID of the host group.

Note

You can call the ListHostGroups operation to query the value of this parameter.

20

ProjectId

integer

No

The project ID.

3

Response elements

Element

Type

Description

Example

object

Databases

array<object>

The list of databases.

object

ActiveAddressType

string

The address type of the database. Valid values:

  • Public: public address

  • Private: private endpoint on the private network

Public

Comment

string

The description of the database.

comment

DatabaseId

string

The instance ID of the database.

9

DatabaseName

string

The name of the database.

MySQL0

DatabasePort

integer

The port number of the database.

3306

DatabasePrivateAddress

string

The private endpoint of the database on the private network, which can be a domain name or an IP address.

rm-wz973w7******

DatabasePublicAddress

string

The public address of the database, which can be a domain name or an IP address.

rm-uf65n2******

DatabaseType

string

The type of the database. Valid values:

  • MySQL

  • Oracle

  • PostgreSQL

  • SQLServer

MySQL

NetworkDomainId

string

The ID of the network domain to which the database belongs.

8

Source

string

The source of the database. Valid values:

  • Local: local database instance

  • Rds: ApsaraDB RDS instance

  • PolarDB: PolarDB instance

Local

SourceInstanceId

string

The instance ID of the ApsaraDB RDS instance or PolarDB instance that corresponds to the database.

Note

If Source is set to Local, this parameter is empty.

i-wz9ejupczf41******

SourceInstanceRegionId

string

The region ID of the ApsaraDB RDS instance or PolarDB instance that corresponds to the database.

cn-hangzhou

SourceInstanceState

string

The instance status of the database. Valid values:

  • Normal: Normal

  • Release: released

Normal

RequestId

string

The ID of the request.

EC9BF0F4-8983-491A-BC8C-1B4DD94976DE

TotalCount

integer

The total number of databases returned.

4

Examples

Success response

JSON format

{
  "Databases": [
    {
      "ActiveAddressType": "Public",
      "Comment": "comment",
      "DatabaseId": "9",
      "DatabaseName": "MySQL0",
      "DatabasePort": 3306,
      "DatabasePrivateAddress": "rm-wz973w7******",
      "DatabasePublicAddress": "rm-uf65n2******",
      "DatabaseType": "MySQL",
      "NetworkDomainId": "8",
      "Source": "Local",
      "SourceInstanceId": "i-wz9ejupczf41******",
      "SourceInstanceRegionId": "cn-hangzhou",
      "SourceInstanceState": "Normal"
    }
  ],
  "RequestId": "EC9BF0F4-8983-491A-BC8C-1B4DD94976DE",
  "TotalCount": 4
}

Error codes

HTTP status code

Error code

Error message

Description

400 InvalidParameter The argument is invalid. The argument is invalid.
500 InternalError An unknown error occurred. An unknown error occurred.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.