Creating a Host Group

Function

Create a host group.

URI

POST /v3/{project_id}/lts/host-group

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain a project ID, see Obtaining the Project ID, Account ID, Log Group ID, and Log Stream ID. Minimum: 1 Maximum: 64

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token obtained from IAM. For details about how to obtain a user token, see Obtaining a User Token. Minimum: 1 Maximum: 10000
Content-Type	Yes	String	Set this parameter to application/json;charset=UTF-8. Minimum: 30 Maximum: 30

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
host_group_name	Yes	String	Host group name, which must be unique. Use only letters, digits, hyphens (-), underscores (_), and periods (.). Do not start with a period or underscore or end with a period. Minimum: 1 Maximum: 64
host_group_type	Yes	String	Host group type. windows linux
host_id_list	No	Array of strings	Host group ID list. The host type must be the same as the host group type. This field can be set only when the host group access type is IP address. Minimum: 36 Maximum: 36
host_group_tag	No	Array of HostGroupTag objects	Tag information. You can add up to 20 tags.
agent_access_type	No	String	Host access type. LABEL IP
labels	No	Array of strings	Host group custom identifiers. If the host access type is LABEL, this field saves the host group identifiers. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed. Each identifier contains a maximum of 128 characters.

**Table 4** HostGroupTag
Parameter	Mandatory	Type	Description
key	Yes	String	Tag key, which must be unique. A tag key can contain letters, digits, spaces, and special characters (_.:=+-@), but cannot start or end with a space or start with sys. A tag key can contain up to 128 characters.
value	No	String	Tag value. A tag value can contain letters, digits, spaces, and special characters (_.:=+-@). A tag value can contain up to 255 characters.

Response Parameters

Status code: 200

**Table 5** Response body parameters
Parameter	Type	Description
host_group_id	String	Host group ID.
host_group_name	String	Host group name.
host_group_type	String	Host group type. linux windows
host_id_list	Array of strings	Host ID list.
host_group_tag	Array of HostGroupTagResBody objects	Tag information.
create_time	Long	Creation time.
update_time	Long	Update time.
labels	Array of strings	Host group identifier.
agent_access_type	String	Host access type.

**Table 6** HostGroupTagResBody
Parameter	Type	Description
key	String	Tag key.
value	String	Tag value.
tags_to_streams_enable	Boolean	Whether to apply the tag to the log stream. Only a tag of a log group can be directly applied to its log stream.

Status code: 400

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	Error code
error_msg	String	Error description

Status code: 500

**Table 8** Response body parameters
Parameter	Type	Description
error_code	String	Error code
error_msg	String	Error description

Example Requests

Create a host group. Parameters host_group_name and host_group_type are mandatory.

POST https://{endpoint}/v3/{project_id}/lts/host-group

{
  "agent_access_type" : "IP",
  "create_time" : 1749782743454,
  "host_group_id" : "204f02a9-5956-4d05-b80f-7657e6bbf8e0",
  "host_group_name" : "test-api6",
  "host_group_tag" : [ {
    "key" : "1",
    "tags_to_streams_enable" : true,
    "value" : "1"
  } ],
  "host_group_type" : "linux",
  "host_id_list" : [ "2b0d2d32-3db6-470b-8559-df24e1f659a1", "8a2a1b3e-8739-4d77-aecc-6b54e32209c1" ],
  "labels" : [ ],
  "update_time" : 1749782743454
}

Example Responses

Status code: 200

The host group is created.

{
  "host_group_id" : "598c77aa-c69b-42f0-8cb8-983178ad5b38",
  "host_group_name" : "APIxx3",
  "host_group_type" : "linux",
  "host_id_list" : [ "dc1dab7e-b045-4e77-bda4-914d083d1bf7" ],
  "host_group_tag" : [ {
    "key" : "xxx",
    "value" : "xxx",
    "tags_to_streams_enable" : true
  } ],
  "create_time" : 1635149410332,
  "update_time" : 1635149410332
}

Status code: 400

Invalid request. Modify the request based on the description in error_msg before a retry.

{
  "error_code" : "LTS.1812",
  "error_msg" : "Invalid host group id"
}

Status code: 500

The server has received the request but encountered an internal error.

{
  "error_code" : "LTS.0010",
  "error_msg" : "Internal Server Error"
}

Status Codes

Status Code	Description
200	The host group is created.
400	Invalid request. Modify the request based on the description in error_msg before a retry.
500	The server has received the request but encountered an internal error.