Updated on 2025-08-07 GMT+08:00

Creating a Custom Line

Function

This API is used to create a custom line.

Calling Method

For details, see Calling APIs.

URI

POST /v2.1/customlines

Request Parameters

Table 1 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

The user token.

The token can be obtained by calling an IAM API. The value of X-Subject-Token in the response header is the user token.

For details about how to obtain a user token, seeObtaining 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

Custom line name. The value contains 1 to 80 characters. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed. The name of each resolution line must be unique in an account.

ip_segments

Yes

Array of strings

IP address range. Use hyphens (-) to separate IP addresses. The smaller IP address is placed before the larger IP address. IP address ranges cannot overlap. If there is only one IP address, set this parameter to IP1-IP1. Only IPv4 addresses are supported. You can specify a maximum of 50 different IP address ranges.

description

No

String

Custom line description. The value can contain a maximum of 255 characters and is left blank by default.

Response Parameters

Status code: 202

Table 3 Response body parameters

Parameter

Type

Description

line_id

String

Resolution line ID.

name

String

Custom line name.

ip_segments

Array of strings

IP address range.

created_at

String

The creation time.

Format: yyyy-MM-dd'T'HH:mm:ss.SSS

updated_at

String

The update time.

Format: yyyy-MM-dd'T'HH:mm:ss.SSS

status

String

Resource status.

description

String

Custom line description.

Example Requests

Creating a custom line and setting the IP address range to 1.1.1.1-1.1.1.1 and 1.1.1.2-1.1.1.3

POST https://{endpoint}/v2.1/customlines

{
  "name" : "customline",
  "ip_segments" : [ "1.1.1.1-1.1.1.1", "1.1.1.2-1.1.1.3" ],
  "description" : "123"
}

Example Responses

Status code: 202

Request accepted

{
  "line_id" : "custom_2ce45ef669fc87870169fcbada7a0007",
  "name" : "customline",
  "ip_segments" : [ "1.1.1.1-1.1.1.1", "1.1.1.2-1.1.1.3" ],
  "status" : "PENDING_CREATE",
  "created_at" : "2019-04-10T12:03:17.827",
  "updated_at" : null,
  "description" : "123"
}

SDK Sample Code

The SDK sample code is as follows.

Creating a custom line and setting the IP address range to 1.1.1.1-1.1.1.1 and 1.1.1.2-1.1.1.3

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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 CreateCustomLineSolution {

    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();
        CreateCustomLineRequest request = new CreateCustomLineRequest();
        CreateCustomLineRequestBody body = new CreateCustomLineRequestBody();
        List<String> listbodyIpSegments = new ArrayList<>();
        listbodyIpSegments.add("1.1.1.1-1.1.1.1");
        listbodyIpSegments.add("1.1.1.2-1.1.1.3");
        body.withDescription("123");
        body.withIpSegments(listbodyIpSegments);
        body.withName("customline");
        request.withBody(body);
        try {
            CreateCustomLineResponse response = client.createCustomLine(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 custom line and setting the IP address range to 1.1.1.1-1.1.1.1 and 1.1.1.2-1.1.1.3

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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 = CreateCustomLineRequest()
        listIpSegmentsbody = [
            "1.1.1.1-1.1.1.1",
            "1.1.1.2-1.1.1.3"
        ]
        request.body = CreateCustomLineRequestBody(
            description="123",
            ip_segments=listIpSegmentsbody,
            name="customline"
        )
        response = client.create_custom_line(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 custom line and setting the IP address range to 1.1.1.1-1.1.1.1 and 1.1.1.2-1.1.1.3

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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 := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        Build()

    client := dns.NewDnsClient(
        dns.DnsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.CreateCustomLineRequest{}
	var listIpSegmentsbody = []string{
        "1.1.1.1-1.1.1.1",
	    "1.1.1.2-1.1.1.3",
    }
	descriptionCreateCustomLineRequestBody:= "123"
	request.Body = &model.CreateCustomLineRequestBody{
		Description: &descriptionCreateCustomLineRequestBody,
		IpSegments: listIpSegmentsbody,
		Name: "customline",
	}
	response, err := client.CreateCustomLine(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

Request accepted

Error Codes

See Error Codes.