Queries the host groups in a specified Bastionhost instance.

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 ListHostGroups

The operation that you want to perform.

Set the value to ListHostGroups.

InstanceId String Yes bastionhost-cn-st220aw****

The ID of the Bastionhost instance where you want to query host groups.

Note You can call the DescribeInstances operation to query the ID of the Bastionhost instance.
RegionId String No cn-hangzhou

The region ID of the Bastionhost instance where you want to query host groups.

Note For more information about the mapping between region IDs and region names, see Regions and zones.
PageNumber String No 1

The number of the page to return. Default value: 1.

PageSize String No 20

The number of entries to return on each page.

The value of the PageSize parameter must not exceed 100. Default value: 20. If you leave the PageSize parameter empty, 20 entries are returned on each page by default.

Note We recommend that you do not leave the PageSize parameter empty.
HostGroupName String No Host group 1

The name of the host group that you want to query. Only exact match is supported.

All Alibaba Cloud API operations must include common request parameters. For more information about common request parameters, see Common parameters.

For more information about sample requests, see the "Examples" section of this topic.

Response parameters

Parameter Type Example Description
HostGroups Array of Item

The host groups returned.

Comment String Description

The description of the host group.

HostGroupId String 1

The ID of the host group.

HostGroupName String Host group 1

The name of the host group.

MemberCount Integer 1

The number of hosts in the host group.

RequestId String EC9BF0F4-8983-491A-BC8C-1B4DD94976DE

The ID of the request.

TotalCount Integer 1

The total number of host groups returned.

Examples

Sample requests

http(s)://[Endpoint]/?Action=ListHostGroups
&InstanceId=bastionhost-cn-st220aw****
&<Common request parameters>

Sample success responses

XML format 

<ListHostGroupsResponse>
      <TotalCount>1</TotalCount>
      <RequestId>EC9BF0F4-8983-491A-BC8C-1B4DD94976DE</RequestId>
      <HostGroups>
            <Comment>Description</Comment>
            <MemberCount>1</MemberCount>
            <HostGroupId>1</HostGroupId>
            <HostGroupName>Host group 1</HostGroupName>
      </HostGroups>
</ListHostGroupsResponse>

JSON format 

{
	"TotalCount": "1",
	"RequestId": "EC9BF0F4-8983-491A-BC8C-1B4DD94976DE",
	"HostGroups": [{
		"Comment": "Description",
		"HostGroupId": "1",
		"MemberCount": "1",
		"HostGroupName": "Host group 1"
	}]
}

Error codes

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