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

Querying an Endpoint Rule

Function

This API is used to query an endpoint rule.

Calling Method

For details, see Calling APIs.

URI

GET /v2.1/resolverrules/{resolverrule_id}

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

resolverrule_id

Yes

String

ID of an endpoint rule

Request Parameters

Table 2 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

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

resolver_rule

ShowResolverRuleRespParam object

Endpoint rules

Table 4 ShowResolverRuleRespParam

Parameter

Type

Description

id

String

Endpoint rule ID, which is a UUID used to identify the rule

name

String

Rule name

domain_name

String

Domain name

endpoint_id

String

ID of the endpoint to which the current rule belongs

status

String

Resource status. The value can be PENDING_CREATE, ACTIVE, PENDING_DELETE, or ERROR.

rule_type

String

Rule type. This parameter is reserved. The default value is FORWARD.

ipaddress_count

Integer

Number of IP addresses in the endpoint rule

ipaddresses

Array of IpValue objects

Destination IP address added to a rule

routers

Array of Router objects

VPC associated with the endpoint rule

create_time

String

The creation time.

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

update_time

String

The update time.

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

Table 5 IpValue

Parameter

Type

Description

ip

String

IP address.

Table 6 Router

Parameter

Type

Description

router_id

String

ID of the associated VPC.

router_region

String

Region where the associated VPC is located.

status

String

Resource status.

Status code: 400

Table 7 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 8 Response body parameters

Parameter

Type

Description

code

String

Definition

Error code

Range

N/A

message

String

Definition

Error description

Range

N/A

Example Requests

None

Example Responses

Status code: 200

Successful request

{
  "resolver_rule" : {
    "id" : "8a36f60a753badb401753bade3400002",
    "name" : "rule-xxx",
    "domain_name" : "www.example.com",
    "endpoint_id" : "8a36f60a753badb401753bade3400001",
    "status" : "ACTIVE",
    "rule_type" : "FORWARD",
    "ipaddress_count" : 0,
    "ipaddresses" : [ {
      "ip" : "1.1.1.1"
    }, {
      "ip" : "2.2.2.2"
    } ],
    "routers" : [ {
      "router_id" : "ff7bd47f-3f12-4f24-a078-e6064abaa670",
      "router_region" : "NetworkService",
      "status" : "ACTIVE"
    }, {
      "router_id" : "ff7bd47f-3f12-4f24-a078-e6064abaa671",
      "router_region" : "NetworkService",
      "status" : "ACTIVE"
    } ],
    "create_time" : "2020-10-18T12:27:31.448",
    "update_time" : "2020-10-18T12:27:31.448"
  }
}

SDK Sample Code

The SDK sample code is as follows.

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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.*;


public class ShowResolverRuleSolution {

    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();
        ShowResolverRuleRequest request = new ShowResolverRuleRequest();
        request.withResolverruleId("{resolverrule_id}");
        try {
            ShowResolverRuleResponse response = client.showResolverRule(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());
        }
    }
}
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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 = ShowResolverRuleRequest()
        request.resolverrule_id = "{resolverrule_id}"
        response = client.show_resolver_rule(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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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.ShowResolverRuleRequest{}
	request.ResolverruleId = "{resolverrule_id}"
	response, err := client.ShowResolverRule(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

200

Successful request

400

Error response

500

Error response

Error Codes

See Error Codes.