Help Center> Enterprise Router> API Reference> APIs> Associations> Creating a Route Association
Updated on 2024-04-19 GMT+08:00

Creating a Route Association

Function

This API is used to create a route association. Each attachment only can be associated with one route table of its enterprise router for packet forwarding.

Calling Method

For details, see Calling APIs.

URI

POST /v3/{project_id}/enterprise-router/{er_id}/route-tables/{route_table_id}/associate

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

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Client-Token

No

String

Idempotence identifier

Minimum: 1

Maximum: 64

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

attachment_id

No

String

Unique ID of the attachment

Maximum: 36

route_policy

No

ExportRoutePolicy object

Route that controls outbound traffic

Table 4 ExportRoutePolicy

Parameter

Mandatory

Type

Description

export_policy_id

No

String

ID of the route policy that controls outbound traffic

Minimum: 0

Maximum: 36

Response Parameters

Status code: 202

Table 5 Response header parameters

Parameter

Type

Description

X-Client-Token

-

Idempotence identifier

Table 6 Response body parameters

Parameter

Type

Description

association

Association object

Association details

request_id

String

Request ID

Table 7 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 8 ExportRoutePolicy

Parameter

Type

Description

export_policy_id

String

ID of the route policy that controls outbound traffic

Minimum: 0

Maximum: 36

Example Requests

Creating a route table association

POST https://{erouter_endpoint}/v3/08d5a9564a704afda6039ae2babbef3c/enterprise-router/915a14a6-867b-4af7-83d1-70efceb146f8/route-tables/915a14a6-867b-4af7-83d1-70efceb146f9/associate

{
  "attachment_id" : "a5b7d209-dc02-4c46-a51f-805eadd3de64"
}

Example Responses

Status code: 202

Accepted

{
  "association" : {
    "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" : ""
    }
  },
  "request_id" : "915a14a6-867b-4af7-83d1-70efceb146f8"
}

SDK Sample Code

The SDK sample code is as follows.

Java

Creating a route table association

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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.*;


public class AssociateRouteTableSolution {

    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();
        AssociateRouteTableRequest request = new AssociateRouteTableRequest();
        AssociationRequestBody body = new AssociationRequestBody();
        body.withAttachmentId("a5b7d209-dc02-4c46-a51f-805eadd3de64");
        request.withBody(body);
        try {
            AssociateRouteTableResponse response = client.associateRouteTable(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

Creating a route table association

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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 = AssociateRouteTableRequest()
        request.body = AssociationRequestBody(
            attachment_id="a5b7d209-dc02-4c46-a51f-805eadd3de64"
        )
        response = client.associate_route_table(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

Creating a route table association

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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.AssociateRouteTableRequest{}
	attachmentIdAssociationRequestBody:= "a5b7d209-dc02-4c46-a51f-805eadd3de64"
	request.Body = &model.AssociationRequestBody{
		AttachmentId: &attachmentIdAssociationRequestBody,
	}
	response, err := client.AssociateRouteTable(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

202

Accepted

Error Codes

See Error Codes.