
# 修改高防实例转发配置的源站IP - UpdateInstanceIpRule
#### 功能介绍
修改高防实例转发配置的源站IP
#### 调用方法
请参见[如何调用API](https://support.huaweicloud.com/api-aad/aad_02_0007.html)。
#### 授权信息
账号具备所有API的调用权限，如果使用账号下的IAM用户调用当前API，该IAM用户需具备调用API所需的权限。
- 如果使用角色与策略授权，具体权限要求请参见[权限和授权项](https://support.huaweicloud.com/api-aad/abcd.html)。
- 如果使用身份策略授权，需具备如下身份策略权限。
  
  | 授权项                    | 访问级别  | 资源类型（\*为必须）       | 条件键                   | 别名 | 依赖的授权项 |
  |:---|:---|:---|:---|:---|:---|
  | aad:forwardingRule:put | Write | forwardingRule \* | g:EnterpriseProjectId | -  | -      |
     
  
 
#### URI
PUT /v1/aad/instances/{instance_id}/{ip}/rules/{rule_id}
表1路径参数 
| 参数          | 是否必选 | 参数类型   | 描述    |
|:---|:---|:---|:---|
| instance_id | 是    | String | 实例Id  |
| ip          | 是    | String | 单个 IP |
| rule_id     | 是    | String | 规则ID  |
   
#### 请求参数
表2请求Header参数 
| 参数           | 是否必选 | 参数类型   | 描述           |
|:---|:---|:---|:---|
| X-Auth-Token | 是    | String | token        |
| Content-Type | 是    | String | Content-Type |
   
表3请求Body参数 
| 参数               | 是否必选 | 参数类型    | 描述                     |
|:---|:---|:---|:---|
| forward_protocol | 是    | String  | 转发协议，tcp或udp           |
| forward_port     | 是    | Integer | 转发端口                   |
| source_port      | 是    | Integer | 源站端口                   |
| source_ip        | 是    | String  | 源站IP，多个IP用逗号隔开，限制20个IP |
   
#### 响应参数
**状态码：200**
OK
无
#### 请求示例
将指定高防实例IP的转发协议修改为tcp，转发端口和源站端口设置为31，源站IP修改为4.x.x.0。
```
PUT https://{endpoint}/v1/aad/instances/8205ed60-fcfe-xxxx-xxxx-c8f8cd9fc84c/1.x.x.1/rules/c8f8cd9fc84c
{
  "forward_protocol" : "tcp",
  "forward_port" : 31,
  "source_port" : 31,
  "source_ip" : "4.x.x.0"
}
```
#### 响应示例
**状态码：200**
OK
```
{ }
```
#### SDK代码示例
SDK代码示例如下。
- [Java]
  将指定高防实例IP的转发协议修改为tcp，转发端口和源站端口设置为31，源站IP修改为4.x.x.0。
  ```
  package com.huaweicloud.sdk.test;
  import com.huaweicloud.sdk.core.auth.ICredential;
  import com.huaweicloud.sdk.core.auth.GlobalCredentials;
  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.aad.v1.region.AadRegion;
  import com.huaweicloud.sdk.aad.v1.*;
  import com.huaweicloud.sdk.aad.v1.model.*;
  public class UpdateInstanceIpRuleSolution {
      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 GlobalCredentials()
                  .withAk(ak)
                  .withSk(sk);
          AadClient client = AadClient.newBuilder()
                  .withCredential(auth)
                  .withRegion(AadRegion.valueOf("<YOUR REGION>"))
                  .build();
          UpdateInstanceIpRuleRequest request = new UpdateInstanceIpRuleRequest();
          request.withInstanceId("{instance_id}");
          request.withIp("{ip}");
          request.withRuleId("{rule_id}");
          TransferRuleBody body = new TransferRuleBody();
          body.withSourceIp("4.x.x.0");
          body.withSourcePort(31);
          body.withForwardPort(31);
          body.withForwardProtocol("tcp");
          request.withBody(body);
          try {
              UpdateInstanceIpRuleResponse response = client.updateInstanceIpRule(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]
  将指定高防实例IP的转发协议修改为tcp，转发端口和源站端口设置为31，源站IP修改为4.x.x.0。
  ```
  # coding: utf-8
  import os
  from huaweicloudsdkcore.auth.credentials import GlobalCredentials
  from huaweicloudsdkaad.v1.region.aad_region import AadRegion
  from huaweicloudsdkcore.exceptions import exceptions
  from huaweicloudsdkaad.v1 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 = GlobalCredentials(ak, sk)
      client = AadClient.new_builder() \
          .with_credentials(credentials) \
          .with_region(AadRegion.value_of("<YOUR REGION>")) \
          .build()
      try:
          request = UpdateInstanceIpRuleRequest()
          request.instance_id = "{instance_id}"
          request.ip = "{ip}"
          request.rule_id = "{rule_id}"
          request.body = TransferRuleBody(
              source_ip="4.x.x.0",
              source_port=31,
              forward_port=31,
              forward_protocol="tcp"
          )
          response = client.update_instance_ip_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)
  ```
- [Go]
  将指定高防实例IP的转发协议修改为tcp，转发端口和源站端口设置为31，源站IP修改为4.x.x.0。
  ```
  package main
  import (
  "fmt"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/global"
      aad "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/aad/v1"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/aad/v1/model"
      region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/aad/v1/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, err := global.NewCredentialsBuilder().
          WithAk(ak).
          WithSk(sk).
          SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      hcClient, err := aad.AadClientBuilder().
           WithRegion(region.ValueOf("<YOUR REGION>")).
           WithCredential(auth).
           SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      client := aad.NewAadClient(hcClient)
      request := &model.UpdateInstanceIpRuleRequest{}
  request.InstanceId = "{instance_id}"
  request.Ip = "{ip}"
  request.RuleId = "{rule_id}"
  sourceIpTransferRuleBody:= "4.x.x.0"
  sourcePortTransferRuleBody:= int32(31)
  forwardPortTransferRuleBody:= int32(31)
  forwardProtocolTransferRuleBody:= "tcp"
  request.Body = &model.TransferRuleBody{
  SourceIp: &sourceIpTransferRuleBody,
  SourcePort: &sourcePortTransferRuleBody,
  ForwardPort: &forwardPortTransferRuleBody,
  ForwardProtocol: &forwardProtocolTransferRuleBody,
  }
  response, err := client.UpdateInstanceIpRule(request)
  if err == nil {
          fmt.Printf("%+v\n", response)
      } else {
          fmt.Println(err)
      }
  }
  ```
- [更多]
  更多编程语言的SDK代码示例，请参见[API Explorer](https://console.huaweicloud.com/apiexplorer/#/openapi/AAD/sdk?api=UpdateInstanceIpRule)的代码示例页签，可生成自动对应的SDK代码示例。
#### 状态码
| 状态码 | 描述    |
|:---|:---|
| 200 | OK    |
| 400 | Error |
   
#### 错误码
请参见[错误码](https://support.huaweicloud.com/api-aad/ErrorCode.html)。
