Querying Forwarding Rules Under a Project

Function

This API is used to query the forwarding rules under a project.

Constraints

This API has the following constraints:

Parameters marker, limit, and page_reverse are used for pagination query.
Parameters marker and page_reverse take effect only when they are used together with parameter limit.

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, no identity policy-based permission required for calling this API.

URI

GET /v3/{project_id}/elb/l7policies/rules

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition: Specifies the project ID. For details about how to obtain a project ID, see Obtaining a Project ID. Constraints: N/A Range: The value can contain a maximum of 32 characters, including digits and lowercase letters. Default value: N/A

**Table 2** Query Parameters
Parameter	Mandatory	Type	Description
limit	No	Integer	Definition: Specifies the number of records returned on each page. Constraints: N/A Range: 0 to 2000 Default value: 2000
marker	No	String	Definition: Specifies the ID of the last record on the previous page. Constraints: This parameter must be used together with limit. If the parameter is not specified, only resources on the first page are queried. This parameter cannot be left blank or set to an invalid ID. Range: N/A Default value: N/A
page_reverse	No	Boolean	Definition: Specifies whether to use reverse query. Constraints: This parameter must be used together with limit. If page_reverse is set to true and you want to query the resources on the previous page, set the value of marker to the value of previous_marker. Range: true: Query resources on the previous page. false: Query resources on the next page. Default value: false
id	No	Array of strings	Definition: Specifies the forwarding rule ID. Multiple IDs can be used for query in the format of id=xxx&id=xxx. Constraints: N/A Range: N/A Default value: N/A
compare_type	No	Array of strings	Definition: Specifies how requests are matched. Multiple values can be used for query in the format of compare_type=xxx&compare_type=xxx. Constraints: N/A Range: EQUAL_TO: exact match. REGEX: regular expression match STARTS_WITH: prefix match Default value: N/A
provisioning_status	No	Array of strings	Definition: Specifies the provisioning status of the forwarding rule. Multiple provisioning statuses can be used for query in the format of provisioning_status=xxx&provisioning_status=xxx. Constraints: N/A Range: The value can only be ACTIVE, indicating that the forwarding rule is provisioned successfully. Default value: N/A
invert	No	Boolean	Definition: Specifies whether reverse matching is supported. Note: The value must be false. This parameter can be updated but will not take effect. Constraints: N/A Range: N/A Default value: N/A
admin_state_up	No	Boolean	Definition: Specifies the administrative status of the forwarding rule. Constraints: N/A Range: N/A Default value: N/A
value	No	Array of strings	Definition: Specifies the value of the match content. Multiple values can be used for query in the format of value=xxx&value=xxx. Constraints: N/A Range: N/A Default value: N/A
key	No	Array of strings	Definition: Specifies the key of the match content that is used to identify the forwarding rule. Multiple keys can be used for query in the format of key=xxx&key=xxx. Constraints: N/A Range: N/A Default value: N/A
type	No	Array of strings	Definition: Specifies the match type. Multiple types can be used for query in the format of type=xxx&type=xxx. Constraints: N/A Range: HOST_NAME: A domain name will be used for matching. PATH: A URL will be used for matching. Default value: N/A
enterprise_project_id	No	Array of strings	Definition: Specifies the ID of the enterprise project. Multiple values can be used for query in the format of enterprise_project_id=xxx&enterprise_project_id=xxx. Constraints: If enterprise_project_id is not specified, resources in all enterprise projects are queried by default. Fine-grained authorization is performed. The elb:l7policies:list permission must be assigned to the user group. If enterprise_project_id is specified, the value can be a specific enterprise project ID or all_granted_eps. If the value is a specific enterprise project ID, only resources in the enterprise project are queried. If the value is all_granted_eps, resources in the enterprise projects with the elb:l7policies:list permission are queried. Range: N/A Default value: N/A
l7policy_id	No	Array of strings	Definition: Specifies the Layer 7 forwarding policy ID. Multiple IDs can be used for query in the format of l7policy_id=xxx&l7policy_id=xxx. Constraints: N/A Range: N/A Default value: N/A

Request Parameters

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition: Specifies the token used for IAM authentication. Constraints: N/A Range: N/A Default value: N/A

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
request_id	String	Definition: Specifies the request ID. Range: The value is automatically generated, and can contain characters including digits, lowercase letters, and hyphens (-).
page_info	PageInfo object	Definition: Specifies the pagination information.
rules	Array of L7Rule objects	Definition: Lists the forwarding rules.

**Table 5** PageInfo
Parameter	Type	Description
previous_marker	String	Definition: Specifies the ID of the first record in the pagination query result. If page_reverse is set to true, this parameter is used together to query resources on the previous page. Range: N/A
next_marker	String	Definition: Specifies the ID of the last record in the pagination query result. It is usually used to query resources on the next page. Range: N/A
current_count	Integer	Definition: Specifies the number of records returned on the current page. Range: N/A

**Table 6** L7Rule
Parameter	Type	Description
admin_state_up	Boolean	Definition: Specifies the administrative status of the forwarding rule. Range: The value can only be true. This parameter is unsupported. Please do not use it.
compare_type	String	Definition: Specifies how requests are matched with the forwarding rule. Range: If type is set to HOST_NAME, this parameter can only be set to EQUAL_TO. If type is set to PATH, the value can be REGEX, STARTS_WITH, or EQUAL_TO.
key	String	Definition: Specifies the key of the match content. Range: N/A
project_id	String	Definition: Specifies the ID of the project where the forwarding rule is used. Range: N/A
type	String	Definition: Specifies the forwarding rule type. Range: HOST_NAME: A domain name will be used for matching. PATH: A URL will be used for matching. METHOD: A request method will be used for matching. HEADER: A request header will be used for matching. QUERY_STRING: A query string will be used for matching. SOURCE_IP: A source IP address will be used for matching. COOKIE: A cookie will be used for matching.
value	String	Definition: Specifies the value of the match item. Range: If type is set to HOST_NAME, the value can contain letters, digits, hyphens (-), periods (.), and asterisks (), and must start with a letter, digit, or asterisk (). If you want to use a wildcard domain name, enter an asterisk () as the leftmost label of the domain name. If type* is set to PATH and compare_type to STARTS_WITH or EQUAL_TO, the value must start with a slash (/) and can contain only letters, digits, and special characters: _~';@^-%#&$.+?,=!:\|\/()[]{} If type* is set to METHOD, SOURCE_IP, HEADER, or QUERY_STRING, this parameter will not take effect, and conditions will be used to specify the key and value.
provisioning_status	String	Definition: Specifies the provisioning status of the forwarding rule. This parameter is invalid. The default value is ACTIVE. Range: ACTIVE: effective PENDING_CREATE: creating ERROR: incorrect configurations
invert	Boolean	Definition: Specifies whether reverse matching is supported. Range: N/A
id	String	Definition: Specifies the forwarding rule ID. Range: N/A
conditions	Array of RuleCondition objects	Definition: Specifies the conditions contained in a forwarding rule. Range: N/A
created_at	String	Definition: Specifies the creation time. Range: The value must be a UTC time in the yyyy-MM-dd'T'HH:mm:ss'Z' format. Note: This parameter will not be returned for resources associated with existing dedicated load balancers and for resources associated with existing and new shared load balancers.
updated_at	String	Definition: Specifies the update time. Range: The value must be a UTC time in the yyyy-MM-dd'T'HH:mm:ss'Z' format. Note: This parameter will not be returned for resources associated with existing dedicated load balancers and for resources associated with existing and new shared load balancers.

**Table 7** RuleCondition
Parameter	Type	Description
key	String	Definition: Specifies the key of match item. Constraints: All keys in the conditions list in the same rule must be the same. Range: If type is set to HOST_NAME, PATH, METHOD, or SOURCE_IP, this parameter is an empty string. If type is set to HEADER, key indicates the name of the request header, and value indicates the value of the request and response header. Each key can contain 1 to 40 characters, including letters, digits, hyphens (-), and underscores (_). If type is set to QUERY_STRING, key indicates the name of the query parameter, and value indicates the value of the query parameter. The key is case sensitive and can contain 1 to 128 characters. Spaces, square brackets ([ ]), curly brackets ({ }), angle brackets (< >), backslashes (), double quotation marks (" "), pound signs (#), ampersands (&), vertical bars (\|), percent signs (%), and tildes (~) are not allowed. Default value: N/A
value	String	Definition: Specifies the value of the match item. Constraints: The value of each condition in a forwarding rule must be unique. Range: If type is set to HOST_NAME, key is always an empty string and value indicates the domain name. Each value can contain 1 to 128 characters, including letters, digits, hyphens (-), periods (.), and asterisks (), and must start with a letter, digit, or asterisk (). If you want to use a wildcard domain name, enter an asterisk () as the leftmost label of the domain name. If type* is set to PATH, key is always an empty string and value indicates the request path, which can contain 1 to 128 characters. If compare_type is set to STARTS_WITH or EQUAL_TO for a forwarding rule, the value must start with a slash (/) and can contain only letters, digits, and special characters: _~';@^-%#&$.+?,=!:\|\/()[]{} If type* is set to HEADER, key indicates the name of the HTTP header parameter, and value indicates the value of the request header parameter. The value can contain 1 to 128 characters. Asterisks () and question marks (?) are allowed, but spaces and double quotation marks are not allowed. An asterisk can match zero or more characters, and a question mark can match one character. If type* is set to QUERY_STRING, key indicates the name of the query parameter, and value indicates the value of the query parameter. The value is case sensitive and can contain 1 to 128 characters. Spaces, square brackets ([ ]), curly brackets ({ }), angle brackets (< >), backslashes (), double quotation marks (" "), pound signs (#), ampersands (&), vertical bars (\|), percent signs (%), and tildes (~) are not allowed. Asterisks () and question marks (?) are allowed. An asterisk can match zero or more characters, and a question mark can match one character. If type* is set to METHOD, key is always an empty string and value indicates the HTTP method. The value can be GET, PUT, POST, DELETE, PATCH, HEAD, or OPTIONS. If type is set to SOURCE_IP, key is always an empty string and value indicates the source IP address of the request. The value is an IPv4 or IPv6 CIDR block, for example, 192.168.0.2/32 or 2049::49/64. Default value: N/A

Example Requests

Querying forwarding rules under a project

GET https://{ELB_Endpoint}/v3/99a3fff0d03c428eac3678da6a7d0f24/elb/l7policies/rules

Example Responses

Status code: 200

Successful request.

{
  "rules" : [ {
    "compare_type" : "STARTS_WITH",
    "provisioning_status" : "ACTIVE",
    "project_id" : "99a3fff0d03c428eac3678da6a7d0f24",
    "invert" : false,
    "admin_state_up" : true,
    "value" : "/ccc.html",
    "key" : null,
    "type" : "PATH",
    "id" : "84f4fcae-9c15-4e19-a99f-72c0b08fd3d7",
    "conditions" : null,
    "created_at" : "2025-04-29T14:53:09Z",
    "updated_at" : "2025-04-29T14:53:09Z"
  } ],
  "page_info" : {
    "previous_marker" : "84f4fcae-9c15-4e19-a99f-72c0b08fd3d7",
    "current_count" : 1
  },
  "request_id" : "ae4dbd7d-9271-4040-98b6-3bfe45bb15ee"
}

SDK Sample Code

The SDK sample code is as follows.

     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.elb.v3.region.ElbRegion;
import com.huaweicloud.sdk.elb.v3.*;
import com.huaweicloud.sdk.elb.v3.model.*;


public class ListAllL7RulesSolution {

    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");
        String projectId = "{project_id}";

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

        ElbClient client = ElbClient.newBuilder()
                .withCredential(auth)
                .withRegion(ElbRegion.valueOf("<YOUR REGION>"))
                .build();
        ListAllL7RulesRequest request = new ListAllL7RulesRequest();
        try {
            ListAllL7RulesResponse response = client.listAllL7Rules(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());
        }
    }
}
 
 
  

     # coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkelb.v3.region.elb_region import ElbRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkelb.v3 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"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

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

    try:
        request = ListAllL7RulesRequest()
        response = client.list_all_l7_rules(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
 
 
  

     package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    elb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/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")
    projectId := "{project_id}"

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

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

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


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

    client := elb.NewElbClient(hcClient)

    request := &model.ListAllL7RulesRequest{}
	response, err := client.ListAllL7Rules(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}
 
 
  