异步执行工作流
功能介绍
以异步执行方式启动工作流,暂不支持国际站局点调用
调用方法
请参见如何调用API。
URI
POST /v2/{project_id}/fgs/workflows/{workflow_id}/executions
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
项目ID,获取方式请参见获取项目ID。 最小长度:1 最大长度:64 |
workflow_id |
是 |
String |
工作流定义ID 最小长度:1 最大长度:512 |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
X-Create-Time |
否 |
String |
workflowRun task create time |
X-WorkflowRun-ID |
否 |
String |
workflowRun id |
X-WorkflowRun-MergeFnParameters |
否 |
String |
Combines the output of the previous node with the input of the next node into an input. |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
headers |
否 |
Object |
执行时需要的Header |
input |
是 |
Object |
定义执行时的入参,支持使用JSONPATH进行映射,以及指定默认值 |
响应参数
状态码: 200
参数 |
参数类型 |
描述 |
---|---|---|
execution_id |
String |
错误码 最小长度:1 最大长度:64 |
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
错误码 最小长度:1 最大长度:36 |
error_msg |
String |
错误描述 最小长度:2 最大长度:512 |
状态码: 404
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
错误码 最小长度:1 最大长度:36 |
error_msg |
String |
错误描述 最小长度:2 最大长度:512 |
状态码: 500
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
错误码 最小长度:1 最大长度:36 |
error_msg |
String |
错误描述 最小长度:2 最大长度:512 |
请求示例
开始执行工作流。
POST /v2/{project_id}/fgs/workflows/{workflow_id}/executions { "headers" : { "tenantId" : "user1" }, "input" : { "arg1" : "argument_1", "arg2" : "argument_2" } }
响应示例
状态码: 200
Success
{ "execution_id" : "48aff955-ea10-4ffd-b426-190bc192dc14" }
SDK代码示例
SDK代码示例如下。
开始执行工作流。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 |
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 StartWorkflowExecutionSolution { 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("<YOUR REGION>")) .build(); StartWorkflowExecutionRequest request = new StartWorkflowExecutionRequest(); FlowExecuteBody body = new FlowExecuteBody(); body.withInput("{\"arg2\":\"argument_2\",\"arg1\":\"argument_1\"}"); body.withHeaders("{\"tenantId\":\"user1\"}"); request.withBody(body); try { StartWorkflowExecutionResponse response = client.startWorkflowExecution(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()); } } } |
开始执行工作流。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 |
# 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("<YOUR REGION>")) \ .build() try: request = StartWorkflowExecutionRequest() request.body = FlowExecuteBody( input="{\"arg2\":\"argument_2\",\"arg1\":\"argument_1\"}", headers="{\"tenantId\":\"user1\"}" ) response = client.start_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) |
开始执行工作流。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 |
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("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.StartWorkflowExecutionRequest{} var inputFlowExecuteBody interface{} = "{\"arg2\":\"argument_2\",\"arg1\":\"argument_1\"}" var headersFlowExecuteBody interface{} = "{\"tenantId\":\"user1\"}" request.Body = &model.FlowExecuteBody{ Input: &inputFlowExecuteBody, Headers: &headersFlowExecuteBody, } response, err := client.StartWorkflowExecution(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
更多编程语言的SDK代码示例,请参见API Explorer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 |
Success |
400 |
Bad Request |
404 |
Bad Request |
500 |
Internal Server Error |
错误码
请参见错误码。