# 获取指定函数流执行实例 - ShowWorkflowExecution #### 功能介绍 获取指定函数流执行实例 #### 调用方法 请参见[如何调用API](https://support.huaweicloud.com/api-functiongraph/functiongraph_06_0200.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，具体权限要求请参见[权限和授权项](https://support.huaweicloud.com/api-functiongraph/functiongraph_06_1100.html)。 #### URI GET /v2/{project_id}/fgs/workflows/{workflow_id}/executions/{execution_id} 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**: 租户项目 ID，获取方式请参见[获取项目ID](https://support.huaweicloud.com/api-functiongraph/functiongraph_06_0260.html)。 **约束限制**: 不涉及。 **取值范围**: 只能由英文字母、数字组成，且长度为32个字符 **默认取值**: 不涉及。 | | workflow_id | 是 | String | **参数解释**: 函数工作流ID。 **约束限制**: 不涉及。 **取值范围**: \[1, 512\] **默认取值**: 不涉及。 | | execution_id | 是 | String | 函数流执行实例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-Get-Workflow-Full-History-Data | 否 | Boolean | 获取函数流执行详情完整输出值 | #### 响应参数 **状态码： 200** 表3响应Body参数 | 参数 | 参数类型 | 描述 | |:---|:---|:---| | workflow_id | String | 流程定义ID | | workflow_urn | String | 函数工作流URN，格式为： urn:fss:\:\:workflow:\:\:\ 注意： package当前只支持default version当前只支持latest | | execution_id | String | 流程执行实例ID | | status | String | 流程实例状态 枚举值： - success: 成功 - fail: 失败 - running: 运行中 - timeout: 超时 - cancel: 取消 | | headers | Object | 函数执行时需要的Header | | input | Object | 函数执行时的入参 | | output | Object | 函数执行结果 | | begin_time | String | 流程实例创建时间，格式：yyyy-MM-ddTHH:mm:ssZ，UTC时间 | | end_time | String | 流程实例结束时间，格式：yyyy-MM-ddTHH:mm:ssZ，UTC时间 | | last_update_time | String | 流程实例上次更新时间，格式：yyyy-MM-ddTHH:mm:ssZ，UTC时间 | | created_by | String | 流程实例创建者 | | node_execution_details | Array of [NodeExecutionDetail] objects | 节点执行信息 | 表4NodeExecutionDetail | 参数 | 参数类型 | 描述 | |:---|:---|:---| | node_id | String | 流程节点ID | | node_name | String | 流程节点名称 | | execution_id | String | 流程节点执行ID | | executions | Array of [NodeExecution] objects | 节点执行记录 | 表5NodeExecution | 参数 | 参数类型 | 描述 | |:---|:---|:---| | status | String | **参数解释** 流程实例状态 **取值范围** - success: 成功 - fail: 失败 - running: 运行中 - timeout: 超时 - cancel: 取消 | | input | Object | 函数执行时的入参 | | output | Object | 函数执行结果 | | begin_time | Long | 节点启动时间，UTC毫秒时间戳格式 | | end_time | Long | 节点结束时间，UTC毫秒时间戳格式 | | error_message | Object | 节点错误信息，仅在节点出错时非空 | | request_id | String | 流程节点请求ID | **状态码： 400** 表6响应Body参数 | 参数 | 参数类型 | 描述 | |:---|:---|:---| | error_code | String | 错误码 | | error_msg | String | 错误描述 | | request_id | String | 请求ID | **状态码： 404** 表7响应Body参数 | 参数 | 参数类型 | 描述 | |:---|:---|:---| | error_code | String | 错误码 | | error_msg | String | 错误描述 | **状态码： 500** 表8响应Body参数 | 参数 | 参数类型 | 描述 | |:---|:---|:---| | error_code | String | 错误码 | | error_msg | String | 错误描述 | | request_id | String | 请求ID | #### 请求示例 获取函数流id为{workflow_id}并且执行实例id为{execution_id}的函数流执行实例详情。 ``` GET /v2/{project_id}/fgs/workflows/{workflow_id}/executions/{execution_id} ``` #### 响应示例 **状态码： 200** OK ``` { "workflow_id" : "48aff955-ea10-4ffd-b426-190bc192dc14", "workflow_urn" : "urn:fss:cn-north-7:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow:latest", "execution_id" : "48aff955-ea10-4ffd-b426-190bc192dc14", "status" : "running", "headers" : { "tenantId" : "user1" }, "input" : { "arg1" : "argument_1", "arg2" : "argument_2" }, "output" : { "arg1" : "argument_1", "arg2" : "argument_2" }, "begin_time" : "2021-01-01T00:00:00Z", "end_time" : "2021-01-01T00:00:00Z", "last_update_time" : "2021-01-01T00:00:00Z", "created_by" : "admin", "node_execution_details" : [ { "node_id" : "48aff955-ea10-4ffd-b426-190bc192dc14", "node_name" : "string", "execution_id" : "string", "executions" : [ { "status" : "running", "input" : { "arg1" : "argument_1", "arg2" : "argument_2" }, "output" : { "arg1" : "argument_1", "arg2" : "argument_2" }, "begin_time" : 1605119892050, "end_time" : 1605119892050, "error_message" : { \"detail\": \"Execution failed\" : null }, "request_id" : "string" } ] } ] } ``` #### 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.functiongraph.v2.region.FunctionGraphRegion; import com.huaweicloud.sdk.functiongraph.v2.*; import com.huaweicloud.sdk.functiongraph.v2.model.*; public class ShowWorkflowExecutionSolution { 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); FunctionGraphClient client = FunctionGraphClient.newBuilder() .withCredential(auth) .withRegion(FunctionGraphRegion.valueOf("")) .build(); ShowWorkflowExecutionRequest request = new ShowWorkflowExecutionRequest(); try { ShowWorkflowExecutionResponse response = client.showWorkflowExecution(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 from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkfunctiongraph.v2.region.functiongraph_region import FunctionGraphRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkfunctiongraph.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 = __import__('os').getenv("CLOUD_SDK_AK") sk = __import__('os').getenv("CLOUD_SDK_SK") credentials = BasicCredentials(ak, sk) \ client = FunctionGraphClient.new_builder() \ .with_credentials(credentials) \ .with_region(FunctionGraphRegion.value_of("")) \ .build() try: request = ShowWorkflowExecutionRequest() response = client.show_workflow_execution(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" functiongraph "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/functiongraph/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/functiongraph/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/functiongraph/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") auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). Build() client := functiongraph.NewFunctionGraphClient( functiongraph.FunctionGraphClientBuilder(). WithRegion(region.ValueOf("")). WithCredential(auth). Build()) request := &model.ShowWorkflowExecutionRequest{} response, err := client.ShowWorkflowExecution(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/FunctionGraph/sdk?api=ShowWorkflowExecution)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 | Bad Request | | 404 | Bad Request | | 500 | Internal Server Error | #### 错误码 请参见[错误码](https://support.huaweicloud.com/api-functiongraph/ErrorCode.html)。