Updated on 2026-09-28 GMT+08:00

Creating a Line Group

Function

This API is used to create a line group. This API is not available in some regions. To use this API, submit a service ticket.

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependencies

    dns:lineGroup:create

    Write

    lineGroup *

    -

    -

    dns:quota:list

URI

POST /v2.1/linegroups

Request Parameters

Table 1 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

User token, which is used for identity authentication. It must be carried in the request header to verify the user identity during API calls.

You can obtain it by calling the IAM API for obtaining a user token. The value of X-Subject-Token in the response header is the user token.

For details about how to obtain a user token, see Obtaining a User Token.

Constraints

N/A

Range

N/A

Default Value

N/A

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

name

Yes

String

Definition

Line group name.

Constraints

The name cannot be the same as that of any custom line or the preconfigured line.

Range

The value can contain 1 to 64 characters, including letters, digits, underscores (_), hyphens (-), and periods (.).

Default Value

N/A

description

No

String

Definition

Line group description.

Constraints

N/A

Range

The value can contain a maximum of 255 characters.

Default Value

N/A

lines

Yes

Array of strings

Definition

List of lines contained in the line group. Each element is the ID of a resolution line. For details about how to obtain the line ID, see Resolution Lines.

Constraints

A line group can have 2 to 500 lines.

Response Parameters

Status code: 202

Table 3 Response body parameters

Parameter

Type

Description

name

String

Definition

Line group name.

Range

N/A

lines

Array of strings

Definition

IDs of resolution lines in a line group. This field is a string array. Each element is a resolution line ID.

status

String

Definition

Resource status.

Range

  • ACTIVE: Normal

  • PENDING_CREATE: Creating

  • PENDING_UPDATE: Updating

  • PENDING_DELETE: Deleting

  • PENDING_FREEZE: Freezing

  • FREEZE: Frozen

  • ERROR: Failed

description

String

Definition

Line group description.

Range

N/A

line_id

String

Definition

Line group ID.

Range

N/A

created_at

String

Definition

Creation time.

The value must be a UTC+0 time in format of yyyy-MM-dd'T'HH:mm:ss.SSS, for example, 2023-01-01T12:00:00.000.

Range

N/A

updated_at

String

Definition

Update time.

The value must be a UTC+0 time in format of yyyy-MM-dd'T'HH:mm:ss.SSS, for example, 2023-01-01T12:00:00.000.

Range

N/A

Status code: 400

Table 4 Response body parameters

Parameter

Type

Description

code

String

Definition

Error code

Range

N/A

message

String

Definition

Error description

Range

N/A

Status code: 500

Table 5 Response body parameters

Parameter

Type

Description

code

String

Definition

Error code

Range

N/A

message

String

Definition

Error description

Range

N/A

Example Requests

Creating a line group that contains the lines ST and LA

POST https://{Endpoint}/v2.1/linegroups

{
  "name" : "linegroup",
  "description" : "123",
  "lines" : [ "ST", "LA" ]
}

Example Responses

Status code: 202

{
  "name" : "linegroup",
  "lines" : [ "ST", "LA" ],
  "status" : "PENDING_CREATE",
  "description" : "123",
  "line_id" : "lgroup_ff8080826c33046a016c3ce46a3322cf",
  "created_at" : "2019-07-29T08:41:38.096",
  "updated_at" : null
}

SDK Sample Code

The SDK sample code is as follows.

Creating a line group that contains the lines ST and LA

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.dns.v2.region.DnsRegion;
import com.huaweicloud.sdk.dns.v2.*;
import com.huaweicloud.sdk.dns.v2.model.*;

import java.util.List;
import java.util.ArrayList;

public class CreateLineGroupSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");

        ICredential auth = new BasicCredentials()
                .withAk(ak)
                .withSk(sk);

        DnsClient client = DnsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DnsRegion.valueOf("<YOUR REGION>"))
                .build();
        CreateLineGroupRequest request = new CreateLineGroupRequest();
        CreateLineGroupsReq body = new CreateLineGroupsReq();
        List<String> listbodyLines = new ArrayList<>();
        listbodyLines.add("ST");
        listbodyLines.add("LA");
        body.withLines(listbodyLines);
        body.withDescription("123");
        body.withName("linegroup");
        request.withBody(body);
        try {
            CreateLineGroupResponse response = client.createLineGroup(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Creating a line group that contains the lines ST and LA

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdns.v2.region.dns_region import DnsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdns.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]

    credentials = BasicCredentials(ak, sk)

    client = DnsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DnsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = CreateLineGroupRequest()
        listLinesbody = [
            "ST",
            "LA"
        ]
        request.body = CreateLineGroupsReq(
            lines=listLinesbody,
            description="123",
            name="linegroup"
        )
        response = client.create_line_group(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Creating a line group that contains the lines ST and LA

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dns "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dns/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dns/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dns/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")

    auth, err := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        SafeBuild()

    if err != nil {
        fmt.Println(err)
        return
    }

    hcClient, err := dns.DnsClientBuilder().
         WithRegion(region.ValueOf("<YOUR REGION>")).
         WithCredential(auth).
         SafeBuild()


    if err != nil {
        fmt.Println(err)
        return
    }

    client := dns.NewDnsClient(hcClient)

    request := &model.CreateLineGroupRequest{}
	var listLinesbody = []string{
        "ST",
	    "LA",
    }
	descriptionCreateLineGroupsReq:= "123"
	request.Body = &model.CreateLineGroupsReq{
		Lines: listLinesbody,
		Description: &descriptionCreateLineGroupsReq,
		Name: "linegroup",
	}
	response, err := client.CreateLineGroup(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

202

Response to the request for creating a line group

400

Error response

500

Error response

Error Codes

See Error Codes.