Adds one or more hosts to the specified host group.

Operation description

You can call this operation to add one or more hosts to a host group. You can add multiple hosts to a host group to manage and grant permissions on the hosts in a centralized manner.

Limits

You can call this operation up to 10 times per second per account. If the number of the calls per second exceeds a limit, throttling is triggered. As a result, your business may be affected. We recommend that you take note of the limits when you call this operation.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

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
yundun-bastionhost:AddHostsToGroup	create	All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
InstanceId	string	Yes	The ID of the bastion host whose asset group you want to add hosts to. Note You can call the DescribeInstances operation to query the bastion host ID.	bastionhost-cn-st220aw****
RegionId	string	No	The region ID of the bastion host whose asset group you want to add hosts to. Note For more information about the mapping between region IDs and region names, see Regions and zones.	cn-hangzhou
HostGroupId	string	Yes	The ID of the asset group to which you want to add hosts. Note You can call the ListHostGroups operation to query the asset group ID.	1
HostIds	string	Yes	The IDs of the hosts that you want to add to the asset group. Specify a JSON string. You can specify up to 100 host IDs. Note You can call the ListHosts operation to query the host IDs.	["1","2","3"]

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The ID of the request.	81500666-d7f5-4143-8329-0223cc738105
Results	array<object>	The result of the call.
Item	object	The result of the call.
Code	string	The return code that indicates whether the call was successful. Valid values: OK: The call was successful. UNEXPECTED: An unknown error occurred. INVALID_ARGUMENT: A request parameter is invalid. Note Make sure that the request parameters are valid and call the operation again. OBJECT_NOT_FOUND: The specified object on which you want to perform the operation does not exist. Note Make sure that the specified bastion host ID and host IDs are valid. Then, call the operation again. OBJECT_AlREADY_EXISTS: The specified object on which you want to perform the operation already exists.	OK
Message	string	This parameter is deprecated.	N/A
HostGroupId	string	The asset group ID.	1
HostId	string	The host ID.	1

Examples

Sample success responses

JSONformat

{
  "RequestId": "81500666-d7f5-4143-8329-0223cc738105",
  "Results": [
    {
      "Code": "OK",
      "Message": "N/A\n",
      "HostGroupId": "1",
      "HostId": "1"
    }
  ]
}

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.

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