Help Center/ Enterprise Router/ API Reference/ APIs/ Associations/ Querying the Route Associations
Updated on 2024-04-19 GMT+08:00

Querying the Route Associations

Function

This API is used to query route associations.

Constraints

Pagination query is supported. You can query by state, resource type, or attachment ID. Only sorting by a single field (id, created_at, or updated_at) is supported.

Calling Method

For details, see Calling APIs.

URI

GET /v3/{project_id}/enterprise-router/{er_id}/route-tables/{route_table_id}/associations

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID

er_id

Yes

String

Enterprise router ID

route_table_id

Yes

String

Route table ID

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

limit

No

Integer

Number of records on each page. Value range: 0 to 2000

Minimum: 0

Maximum: 2000

marker

No

String

ID of the last enterprise router on the previous page. If this parameter is left blank, the first page is queried. This parameter must be used together with limit.

Minimum: 1

Maximum: 128

attachment_id

No

Array

Attachment ID

resource_type

No

Array

Attachment type.

  • vpc: VPC attachment

  • vpn: VPN gateway attachment

  • vgw: virtual gateway attachment

  • peering: peering connection attachment. A cloud connection is used to connect two enterprise routers from different regions.

  • ecn: ECN attachment

  • cfw: CFW instance attachment

state

No

Array

Status. Value options: pending, available, modifying, deleting, deleted, and failed

sort_key

No

Array

Keyword for sorting. The keyword can be id, name, or state. By default, id is used.

sort_dir

No

Array

Sorting order. There are two value options: asc (ascending order) and desc (descending order). The default value is asc.

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

associations

Array of Association objects

Route table associations

Array Length: 0 - 2000

request_id

String

Request ID

page_info

PageInfo object

Pagination query information

Table 4 Association

Parameter

Type

Description

id

String

Unique association ID

Maximum: 36

route_table_id

String

Unique ID of the route table

Maximum: 36

attachment_id

String

Unique ID of the attachment

Maximum: 36

resource_type

String

Attachment type.

  • vpc: VPC attachment

  • vpn: VPN gateway attachment

  • vgw: virtual gateway attachment

  • peering: peering connection attachment. A cloud connection is used to connect two enterprise routers from different regions.

  • ecn: ECN attachment

  • cfw: CFW instance attachment

resource_id

String

Unique ID of the attachment

state

String

Status. Value options: pending, available, modifying, deleting, deleted, and failed

created_at

String

Creation time. It is UTC time in the format of YYYY-MM-DDTHH:MM:SS.

updated_at

String

Update time. It is UTC time in the format of YYYY-MM-DDTHH:MM:SS.

route_policy

ExportRoutePolicy object

Route that controls outbound traffic

Table 5 ExportRoutePolicy

Parameter

Type

Description

export_policy_id

String

ID of the route policy that controls outbound traffic

Minimum: 0

Maximum: 36

Table 6 PageInfo

Parameter

Type

Description

next_marker

String

Marker of the next page. The value is the resource UUID. If the value is empty, the resource is on the last page.

current_count

Integer

Number of resources in the list

Example Requests

Querying route table associations

GET https://{erouter_endpoint}/v3/08d5a9564a704afda6039ae2babbef3c/enterprise-router/915a14a6-867b-4af7-83d1-70efceb146f5/route-tables/915a14a6-867b-4af7-83d1-70efceb146f9/associations

Example Responses

Status code: 200

OK

{
  "associations" : [ {
    "id" : "915a14a6-867b-4af7-83d1-70efceb146f9",
    "route_table_id" : "91c013e2-d65a-474e-9177-c3e1799ca726",
    "attachment_id" : "a5b7d209-dc02-4c46-a51f-805eadd3de64",
    "resource_type" : "vpc",
    "resource_id" : "4e5fe97c-82bc-432e-87d8-06d7e157dffa",
    "state" : "pending",
    "created_at" : "2020-03-11T15:13:31",
    "updated_at" : "2020-03-11T15:13:31",
    "route_policy" : {
      "export_policy_id" : ""
    }
  } ],
  "page_info" : {
    "next_marker" : "1",
    "current_count" : 1
  },
  "request_id" : "915a14a6-867b-4af7-83d1-70efceb146f9"
}

SDK Sample Code

The SDK sample code is as follows.

Java

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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.er.v3.region.ErRegion;
import com.huaweicloud.sdk.er.v3.*;
import com.huaweicloud.sdk.er.v3.model.*;

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

public class ListAssociationsSolution {

    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);

        ErClient client = ErClient.newBuilder()
                .withCredential(auth)
                .withRegion(ErRegion.valueOf("<YOUR REGION>"))
                .build();
        ListAssociationsRequest request = new ListAssociationsRequest();
        request.withState();
        request.withLimit(<limit>);
        request.withMarker("<marker>");
        request.withAttachmentId();
        request.withResourceType();
        request.withSortKey();
        request.withSortDir();
        try {
            ListAssociationsResponse response = client.listAssociations(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());
        }
    }
}

Python

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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdker.v3.region.er_region import ErRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdker.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 = __import__('os').getenv("CLOUD_SDK_AK")
    sk = __import__('os').getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

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

    try:
        request = ListAssociationsRequest()
        request.state = 
        request.limit = <limit>
        request.marker = "<marker>"
        request.attachment_id = 
        request.resource_type = 
        request.sort_key = 
        request.sort_dir = 
        response = client.list_associations(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Go

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package main

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

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

    client := er.NewErClient(
        er.ErClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListAssociationsRequest{}
	limitRequest:= int32(<limit>)
	request.Limit = &limitRequest
	markerRequest:= "<marker>"
	request.Marker = &markerRequest
	response, err := client.ListAssociations(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

More

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

OK

Error Codes

See Error Codes.