# 创建离线全量key分析任务 - CreateOfflineKeyAnalysis
#### 功能介绍
创建离线全量key分析任务。离线全量key分析用于分析实例指定节点备份文件中的TOP500大key，每种数据类型前缀数量TOP500的key和每种数据类型key的内存占用和数量的分布情况。3.0实例不支持。
#### 调用方法
请参见[如何调用API](https://support.huaweicloud.com/api-dcs/api-call-process.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-dcs/api-grant-policy.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 |
  |:---|:---|:---|:---|:---|:---|
  | dcs:instance:analyzeOfflineKey | Write | instance \* | - g:EnterpriseProjectId   - g:ResourceTag/\<tag-key\>    | -  | -      |
     
  
 
#### URI
POST /v2/{project_id}/instances/{instance_id}/offline/key-analysis
表1路径参数 
| 参数          | 是否必选 | 参数类型   | 描述                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|:---|:---|:---|:---|
| project_id  | 是    | String | **参数解释**： 项目ID。获取方法请参见[获取项目ID](https://support.huaweicloud.com/api-dcs/dcs-api-0312045.html)。 **约束限制**： 不涉及。 **取值范围**： 不涉及。 **默认取值**： 不涉及。 |
| instance_id | 是    | String | **参数解释**： 实例ID。可通过DCS控制台进入实例详情界面查看。 **约束限制**： 不涉及。 **取值范围**： 不涉及。 **默认取值**： 不涉及。                                                           |
   
#### 请求参数
表2请求Body参数 
| 参数          | 是否必选 | 参数类型   | 描述                                                                                                                                                                                                                                                                                                                                                                                                                   |
|:---|:---|:---|:---|
| node_id     | 否    | String | **参数解释**： 实例节点ID，可通过DCS控制台进入实例的节点管理界面查看。 **约束限制**： 不涉及。 **取值范围**： 不涉及。 **默认取值**： 不涉及。            |
| backup_id   | 否    | String | **参数解释**： 实例备份ID，可通过DCS控制台进入实例的备份与恢复界面查看。 **约束限制**： 不涉及。 **取值范围**： 不涉及。 **默认取值**： 不涉及。           |
| instance_id | 否    | String | **参数解释**： 实例ID，可通过DCS控制台查看。 **约束限制**： 不涉及。 **取值范围**： 不涉及。 **默认取值**： 不涉及。                         |
| separator   | 否    | String | **参数解释**： 用于识别Key前缀的分隔符。当分隔符为默认的:;,_-+@=\|#时，不需要输入。 **约束限制**： 不涉及。 **取值范围**： 不涉及。 **默认取值**： 不涉及。 |
   
#### 响应参数
**状态码：200**
表3响应Body参数 
| 参数      | 参数类型   | 描述                                                                                                                                                                          |
|:---|:---|:---|
| task_id | String | **参数解释**： 离线全量key分析任务ID。 **取值范围**： 不涉及。 |
   
**状态码：400**
表4响应Body参数 
| 参数            | 参数类型   | 描述                                                                                                                                                                                                                             |
|:---|:---|:---|
| error_msg     | String | **参数解释**： 错误信息。 **取值范围**： 不涉及。                                                             |
| error_code    | String | **参数解释**： 错误码。 **取值范围**： 请参见[错误码](https://support.huaweicloud.com/api-dcs/ErrorCode.html)。 |
| error_ext_msg | String | **参数解释**： 扩展错误信息（暂未使用，不返回）。 **取值范围**： 不涉及。                                                 |
   
**状态码：401**
表5响应Body参数 
| 参数            | 参数类型   | 描述                                                                                                                                                                                                                             |
|:---|:---|:---|
| error_msg     | String | **参数解释**： 错误信息。 **取值范围**： 不涉及。                                                             |
| error_code    | String | **参数解释**： 错误码。 **取值范围**： 请参见[错误码](https://support.huaweicloud.com/api-dcs/ErrorCode.html)。 |
| error_ext_msg | String | **参数解释**： 扩展错误信息（暂未使用，不返回）。 **取值范围**： 不涉及。                                                 |
   
**状态码：403**
表6响应Body参数 
| 参数            | 参数类型   | 描述                                                                                                                                                                                                                             |
|:---|:---|:---|
| error_msg     | String | **参数解释**： 错误信息。 **取值范围**： 不涉及。                                                             |
| error_code    | String | **参数解释**： 错误码。 **取值范围**： 请参见[错误码](https://support.huaweicloud.com/api-dcs/ErrorCode.html)。 |
| error_ext_msg | String | **参数解释**： 扩展错误信息（暂未使用，不返回）。 **取值范围**： 不涉及。                                                 |
   
**状态码：404**
表7响应Body参数 
| 参数            | 参数类型   | 描述                                                                                                                                                                                                                             |
|:---|:---|:---|
| error_msg     | String | **参数解释**： 错误信息。 **取值范围**： 不涉及。                                                             |
| error_code    | String | **参数解释**： 错误码。 **取值范围**： 请参见[错误码](https://support.huaweicloud.com/api-dcs/ErrorCode.html)。 |
| error_ext_msg | String | **参数解释**： 扩展错误信息（暂未使用，不返回）。 **取值范围**： 不涉及。                                                 |
   
**状态码：500**
表8响应Body参数 
| 参数            | 参数类型   | 描述                                                                                                                                                                                                                             |
|:---|:---|:---|
| error_msg     | String | **参数解释**： 错误信息。 **取值范围**： 不涉及。                                                             |
| error_code    | String | **参数解释**： 错误码。 **取值范围**： 请参见[错误码](https://support.huaweicloud.com/api-dcs/ErrorCode.html)。 |
| error_ext_msg | String | **参数解释**： 扩展错误信息（暂未使用，不返回）。 **取值范围**： 不涉及。                                                 |
   
#### 请求示例
-
  ```
  POST https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/offline/key-analysis
  {
    "instance_id" : "192d7762-7e51-4959-b4d8-1d064b0b4218",
    "node_id" : "ff8080828fdd5aef018fe2218a886105"
  }
  ```
  
-
  ```
  POST https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/offline/key-analysis
  {
    "instance_id" : "192d7762-7e51-4959-b4d8-1d064b0b4218",
    "node_id" : "ff8080828fdd5aef018fe2218a886105",
    "backup_id" : "c24e2ef4-23bd-47ef-8b1f-8e3f0492c906"
  }
  ```
  
- 新创建备份文件分析整实例数据
  ```
  POST https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/offline/key-analysis
  {
    "instance_id" : "192d7762-7e51-4959-b4d8-1d064b0b4218"
  }
  ```
  
- 使用备份id分析整实例数据
  ```
  POST https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/offline/key-analysis
  {
    "instance_id" : "192d7762-7e51-4959-b4d8-1d064b0b4218",
    "backup_id" : "c24e2ef4-23bd-47ef-8b1f-8e3f0492c906"
  }
  ```
  
 
#### 响应示例
**状态码：200**
创建离线全量key分析任务成功。
```
{
  "task_id" : "aa735b6f-3d70-44e3-9771-66c6fae7459a"
}
```
**状态码：400**
非法请求。
```
{
  "error_code" : "DCS.4230",
  "error_msg" : "Does not support offline key analysis."
}
```
#### SDK代码示例
SDK代码示例如下。
- [Java]
  -
    ```
    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.dcs.v2.region.DcsRegion;
    import com.huaweicloud.sdk.dcs.v2.*;
    import com.huaweicloud.sdk.dcs.v2.model.*;
    public class CreateOfflineKeyAnalysisSolution {
        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);
            DcsClient client = DcsClient.newBuilder()
                    .withCredential(auth)
                    .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                    .build();
            CreateOfflineKeyAnalysisRequest request = new CreateOfflineKeyAnalysisRequest();
            request.withInstanceId("{instance_id}");
            CreateOfflineKeyAnalysisRequestBody body = new CreateOfflineKeyAnalysisRequestBody();
            body.withNodeId("ff8080828fdd5aef018fe2218a886105");
            request.withBody(body);
            try {
                CreateOfflineKeyAnalysisResponse response = client.createOfflineKeyAnalysis(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());
            }
        }
    }
    ```
    
  
  -
    ```
    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.dcs.v2.region.DcsRegion;
    import com.huaweicloud.sdk.dcs.v2.*;
    import com.huaweicloud.sdk.dcs.v2.model.*;
    public class CreateOfflineKeyAnalysisSolution {
        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);
            DcsClient client = DcsClient.newBuilder()
                    .withCredential(auth)
                    .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                    .build();
            CreateOfflineKeyAnalysisRequest request = new CreateOfflineKeyAnalysisRequest();
            request.withInstanceId("{instance_id}");
            CreateOfflineKeyAnalysisRequestBody body = new CreateOfflineKeyAnalysisRequestBody();
            body.withBackupId("c24e2ef4-23bd-47ef-8b1f-8e3f0492c906");
            body.withNodeId("ff8080828fdd5aef018fe2218a886105");
            request.withBody(body);
            try {
                CreateOfflineKeyAnalysisResponse response = client.createOfflineKeyAnalysis(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());
            }
        }
    }
    ```
    
  
  - 新创建备份文件分析整实例数据
    ```
    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.dcs.v2.region.DcsRegion;
    import com.huaweicloud.sdk.dcs.v2.*;
    import com.huaweicloud.sdk.dcs.v2.model.*;
    public class CreateOfflineKeyAnalysisSolution {
        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);
            DcsClient client = DcsClient.newBuilder()
                    .withCredential(auth)
                    .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                    .build();
            CreateOfflineKeyAnalysisRequest request = new CreateOfflineKeyAnalysisRequest();
            request.withInstanceId("{instance_id}");
            body.withCreateOfflineKeyAnalysisRequestBody("{\"instance_id\":\"192d7762-7e51-4959-b4d8-1d064b0b4218\"}");
            request.withBody(listCreateOfflineKeyAnalysisRequestBodyCreateOfflineKeyAnalysisRequestBody);
            try {
                CreateOfflineKeyAnalysisResponse response = client.createOfflineKeyAnalysis(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());
            }
        }
    }
    ```
    
  
  - 使用备份id分析整实例数据
    ```
    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.dcs.v2.region.DcsRegion;
    import com.huaweicloud.sdk.dcs.v2.*;
    import com.huaweicloud.sdk.dcs.v2.model.*;
    public class CreateOfflineKeyAnalysisSolution {
        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);
            DcsClient client = DcsClient.newBuilder()
                    .withCredential(auth)
                    .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                    .build();
            CreateOfflineKeyAnalysisRequest request = new CreateOfflineKeyAnalysisRequest();
            request.withInstanceId("{instance_id}");
            CreateOfflineKeyAnalysisRequestBody body = new CreateOfflineKeyAnalysisRequestBody();
            body.withBackupId("c24e2ef4-23bd-47ef-8b1f-8e3f0492c906");
            request.withBody(body);
            try {
                CreateOfflineKeyAnalysisResponse response = client.createOfflineKeyAnalysis(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]
  -
    ```
    # coding: utf-8
    import os
    from huaweicloudsdkcore.auth.credentials import BasicCredentials
    from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
    from huaweicloudsdkcore.exceptions import exceptions
    from huaweicloudsdkdcs.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"]
        projectId = "{project_id}"
        credentials = BasicCredentials(ak, sk, projectId)
        client = DcsClient.new_builder() \
            .with_credentials(credentials) \
            .with_region(DcsRegion.value_of("<YOUR REGION>")) \
            .build()
        try:
            request = CreateOfflineKeyAnalysisRequest()
            request.instance_id = "{instance_id}"
            request.body = CreateOfflineKeyAnalysisRequestBody(
                node_id="ff8080828fdd5aef018fe2218a886105"
            )
            response = client.create_offline_key_analysis(request)
            print(response)
        except exceptions.ClientRequestException as e:
            print(e.status_code)
            print(e.request_id)
            print(e.error_code)
            print(e.error_msg)
    ```
    
  
  -
    ```
    # coding: utf-8
    import os
    from huaweicloudsdkcore.auth.credentials import BasicCredentials
    from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
    from huaweicloudsdkcore.exceptions import exceptions
    from huaweicloudsdkdcs.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"]
        projectId = "{project_id}"
        credentials = BasicCredentials(ak, sk, projectId)
        client = DcsClient.new_builder() \
            .with_credentials(credentials) \
            .with_region(DcsRegion.value_of("<YOUR REGION>")) \
            .build()
        try:
            request = CreateOfflineKeyAnalysisRequest()
            request.instance_id = "{instance_id}"
            request.body = CreateOfflineKeyAnalysisRequestBody(
                backup_id="c24e2ef4-23bd-47ef-8b1f-8e3f0492c906",
                node_id="ff8080828fdd5aef018fe2218a886105"
            )
            response = client.create_offline_key_analysis(request)
            print(response)
        except exceptions.ClientRequestException as e:
            print(e.status_code)
            print(e.request_id)
            print(e.error_code)
            print(e.error_msg)
    ```
    
  
  - 新创建备份文件分析整实例数据
    ```
    # coding: utf-8
    import os
    from huaweicloudsdkcore.auth.credentials import BasicCredentials
    from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
    from huaweicloudsdkcore.exceptions import exceptions
    from huaweicloudsdkdcs.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"]
        projectId = "{project_id}"
        credentials = BasicCredentials(ak, sk, projectId)
        client = DcsClient.new_builder() \
            .with_credentials(credentials) \
            .with_region(DcsRegion.value_of("<YOUR REGION>")) \
            .build()
        try:
            request = CreateOfflineKeyAnalysisRequest()
            request.instance_id = "{instance_id}"
            request.body = listCreateOfflineKeyAnalysisRequestBodyCreateOfflineKeyAnalysisRequestBody
            response = client.create_offline_key_analysis(request)
            print(response)
        except exceptions.ClientRequestException as e:
            print(e.status_code)
            print(e.request_id)
            print(e.error_code)
            print(e.error_msg)
    ```
    
  
  - 使用备份id分析整实例数据
    ```
    # coding: utf-8
    import os
    from huaweicloudsdkcore.auth.credentials import BasicCredentials
    from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
    from huaweicloudsdkcore.exceptions import exceptions
    from huaweicloudsdkdcs.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"]
        projectId = "{project_id}"
        credentials = BasicCredentials(ak, sk, projectId)
        client = DcsClient.new_builder() \
            .with_credentials(credentials) \
            .with_region(DcsRegion.value_of("<YOUR REGION>")) \
            .build()
        try:
            request = CreateOfflineKeyAnalysisRequest()
            request.instance_id = "{instance_id}"
            request.body = CreateOfflineKeyAnalysisRequestBody(
                backup_id="c24e2ef4-23bd-47ef-8b1f-8e3f0492c906"
            )
            response = client.create_offline_key_analysis(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]
  -
    ```
    package main
    import (
    "fmt"
    "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
        dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2"
    "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model"
        region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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")
        projectId := "{project_id}"
        auth, err := basic.NewCredentialsBuilder().
            WithAk(ak).
            WithSk(sk).
            WithProjectId(projectId).
            SafeBuild()
        if err != nil {
            fmt.Println(err)
            return
        }
        hcClient, err := dcs.DcsClientBuilder().
             WithRegion(region.ValueOf("<YOUR REGION>")).
             WithCredential(auth).
             SafeBuild()
        if err != nil {
            fmt.Println(err)
            return
        }
        client := dcs.NewDcsClient(hcClient)
        request := &model.CreateOfflineKeyAnalysisRequest{}
    request.InstanceId = "{instance_id}"
    request.Body = &model.CreateOfflineKeyAnalysisRequestBody{
    NodeId: "ff8080828fdd5aef018fe2218a886105",
    }
    response, err := client.CreateOfflineKeyAnalysis(request)
    if err == nil {
            fmt.Printf("%+v\n", response)
        } else {
            fmt.Println(err)
        }
    }
    ```
    
  
  -
    ```
    package main
    import (
    "fmt"
    "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
        dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2"
    "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model"
        region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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")
        projectId := "{project_id}"
        auth, err := basic.NewCredentialsBuilder().
            WithAk(ak).
            WithSk(sk).
            WithProjectId(projectId).
            SafeBuild()
        if err != nil {
            fmt.Println(err)
            return
        }
        hcClient, err := dcs.DcsClientBuilder().
             WithRegion(region.ValueOf("<YOUR REGION>")).
             WithCredential(auth).
             SafeBuild()
        if err != nil {
            fmt.Println(err)
            return
        }
        client := dcs.NewDcsClient(hcClient)
        request := &model.CreateOfflineKeyAnalysisRequest{}
    request.InstanceId = "{instance_id}"
    backupIdCreateOfflineKeyAnalysisRequestBody:= "c24e2ef4-23bd-47ef-8b1f-8e3f0492c906"
    request.Body = &model.CreateOfflineKeyAnalysisRequestBody{
    BackupId: &backupIdCreateOfflineKeyAnalysisRequestBody,
    NodeId: "ff8080828fdd5aef018fe2218a886105",
    }
    response, err := client.CreateOfflineKeyAnalysis(request)
    if err == nil {
            fmt.Printf("%+v\n", response)
        } else {
            fmt.Println(err)
        }
    }
    ```
    
  
  - 新创建备份文件分析整实例数据
    ```
    package main
    import (
    "fmt"
    "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
        dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2"
    "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model"
        region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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")
        projectId := "{project_id}"
        auth, err := basic.NewCredentialsBuilder().
            WithAk(ak).
            WithSk(sk).
            WithProjectId(projectId).
            SafeBuild()
        if err != nil {
            fmt.Println(err)
            return
        }
        hcClient, err := dcs.DcsClientBuilder().
             WithRegion(region.ValueOf("<YOUR REGION>")).
             WithCredential(auth).
             SafeBuild()
        if err != nil {
            fmt.Println(err)
            return
        }
        client := dcs.NewDcsClient(hcClient)
        request := &model.CreateOfflineKeyAnalysisRequest{}
    request.InstanceId = "{instance_id}"
    var createOfflineKeyAnalysisRequestBodyCreateOfflineKeyAnalysisRequestBody interface{} = "{\"instance_id\":\"192d7762-7e51-4959-b4d8-1d064b0b4218\"}"
    request.Body = listCreateOfflineKeyAnalysisRequestBodyCreateOfflineKeyAnalysisRequestBody
    response, err := client.CreateOfflineKeyAnalysis(request)
    if err == nil {
            fmt.Printf("%+v\n", response)
        } else {
            fmt.Println(err)
        }
    }
    ```
    
  
  - 使用备份id分析整实例数据
    ```
    package main
    import (
    "fmt"
    "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
        dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2"
    "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model"
        region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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")
        projectId := "{project_id}"
        auth, err := basic.NewCredentialsBuilder().
            WithAk(ak).
            WithSk(sk).
            WithProjectId(projectId).
            SafeBuild()
        if err != nil {
            fmt.Println(err)
            return
        }
        hcClient, err := dcs.DcsClientBuilder().
             WithRegion(region.ValueOf("<YOUR REGION>")).
             WithCredential(auth).
             SafeBuild()
        if err != nil {
            fmt.Println(err)
            return
        }
        client := dcs.NewDcsClient(hcClient)
        request := &model.CreateOfflineKeyAnalysisRequest{}
    request.InstanceId = "{instance_id}"
    backupIdCreateOfflineKeyAnalysisRequestBody:= "c24e2ef4-23bd-47ef-8b1f-8e3f0492c906"
    request.Body = &model.CreateOfflineKeyAnalysisRequestBody{
    BackupId: &backupIdCreateOfflineKeyAnalysisRequestBody,
    }
    response, err := client.CreateOfflineKeyAnalysis(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/DCS/sdk?api=CreateOfflineKeyAnalysis&version=v2)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 | 创建离线全量key分析任务成功。 |
| 400 | 非法请求。            |
| 401 | 认证信息非法。          |
| 403 | 请求被拒绝访问。         |
| 404 | 所请求的资源不存在。       |
| 500 | 内部服务错误。          |
   
#### 错误码
请参见[错误码](https://support.huaweicloud.com/api-dcs/ErrorCode.html)。
