Python または Ruby を使用してワークフローを作成する

Python または Ruby を使用してワークフローを作成します。

コードサンプル

C#

このサンプルを試す前に、クライアントライブラリを使用した Workflows クイックスタートの C# の手順に沿って設定を行ってください。詳細については、Workflows C# API のリファレンスドキュメントをご覧ください。

Workflows に対する認証を行うには、アプリケーションのデフォルト認証情報を設定します。詳細については、ローカル開発環境の認証の設定をご覧ください。

using Google.Api.Gax.ResourceNames;
using Google.Cloud.Workflows.V1;
using Google.LongRunning;

public sealed partial class GeneratedWorkflowsClientSnippets
{
    /// <summary>Snippet for CreateWorkflow</summary>
    /// <remarks>
    /// This snippet has been automatically generated and should be regarded as a code template only.
    /// It will require modifications to work:
    /// - It may require correct/in-range values for request initialization.
    /// - It may require specifying regional endpoints when creating the service client as shown in
    ///   https://cloud.google.com/dotnet/docs/reference/help/client-configuration#endpoint.
    /// </remarks>
    public void CreateWorkflowRequestObject()
    {
        // Create client
        WorkflowsClient workflowsClient = WorkflowsClient.Create();
        // Initialize request argument(s)
        CreateWorkflowRequest request = new CreateWorkflowRequest
        {
            ParentAsLocationName = LocationName.FromProjectLocation("[PROJECT]", "[LOCATION]"),
            Workflow = new Workflow(),
            WorkflowId = "",
        };
        // Make the request
        Operation<Workflow, OperationMetadata> response = workflowsClient.CreateWorkflow(request);

        // Poll until the returned long-running operation is complete
        Operation<Workflow, OperationMetadata> completedResponse = response.PollUntilCompleted();
        // Retrieve the operation result
        Workflow result = completedResponse.Result;

        // Or get the name of the operation
        string operationName = response.Name;
        // This name can be stored, then the long-running operation retrieved later by name
        Operation<Workflow, OperationMetadata> retrievedResponse = workflowsClient.PollOnceCreateWorkflow(operationName);
        // Check if the retrieved long-running operation has completed
        if (retrievedResponse.IsCompleted)
        {
            // If it has completed, then access the result
            Workflow retrievedResult = retrievedResponse.Result;
        }
    }
}

Go

このサンプルを試す前に、クライアントライブラリを使用した Workflows クイックスタートの Go の手順に沿って設定を行ってください。詳細については、Workflows Go API のリファレンスドキュメントをご覧ください。


package main

import (
	"context"

	workflows "cloud.google.com/go/workflows/apiv1"
	workflowspb "cloud.google.com/go/workflows/apiv1/workflowspb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := workflows.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &workflowspb.CreateWorkflowRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/workflows/apiv1/workflowspb#CreateWorkflowRequest.
	}
	op, err := c.CreateWorkflow(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}

	resp, err := op.Wait(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Java

このサンプルを試す前に、クライアントライブラリを使用した Workflows クイックスタートの Java の手順に沿って設定を行ってください。詳細については、Workflows Java API のリファレンスドキュメントをご覧ください。

import com.google.cloud.workflows.v1.CreateWorkflowRequest;
import com.google.cloud.workflows.v1.LocationName;
import com.google.cloud.workflows.v1.Workflow;
import com.google.cloud.workflows.v1.WorkflowsClient;

public class SyncCreateWorkflow {

  public static void main(String[] args) throws Exception {
    syncCreateWorkflow();
  }

  public static void syncCreateWorkflow() throws Exception {
    // This snippet has been automatically generated and should be regarded as a code template only.
    // It will require modifications to work:
    // - It may require correct/in-range values for request initialization.
    // - It may require specifying regional endpoints when creating the service client as shown in
    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    try (WorkflowsClient workflowsClient = WorkflowsClient.create()) {
      CreateWorkflowRequest request =
          CreateWorkflowRequest.newBuilder()
              .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
              .setWorkflow(Workflow.newBuilder().build())
              .setWorkflowId("workflowId-360387270")
              .build();
      Workflow response = workflowsClient.createWorkflowAsync(request).get();
    }
  }
}

Python

このサンプルを試す前に、クライアントライブラリを使用した Workflows クイックスタートの Python の手順に沿って設定を行ってください。詳細については、Workflows Python API のリファレンスドキュメントをご覧ください。

# This snippet has been automatically generated and should be regarded as a
# code template only.
# It will require modifications to work:
# - It may require correct/in-range values for request initialization.
# - It may require specifying regional endpoints when creating the service
#   client as shown in:
#   https://googleapis.dev/python/google-api-core/latest/client_options.html
from google.cloud import workflows_v1


def sample_create_workflow():
    # Create a client
    client = workflows_v1.WorkflowsClient()

    # Initialize request argument(s)
    workflow = workflows_v1.Workflow()
    workflow.source_contents = "source_contents_value"

    request = workflows_v1.CreateWorkflowRequest(
        parent="parent_value",
        workflow=workflow,
        workflow_id="workflow_id_value",
    )

    # Make the request
    operation = client.create_workflow(request=request)

    print("Waiting for operation to complete...")

    response = operation.result()

    # Handle the response
    print(response)

Ruby

このサンプルを試す前に、クライアントライブラリを使用した Workflows クイックスタートの Ruby の手順に沿って設定を行ってください。詳細については、Workflows Ruby API のリファレンスドキュメントをご覧ください。

require "google/cloud/workflows/v1"

##
# Snippet for the create_workflow call in the Workflows service
#
# This snippet has been automatically generated and should be regarded as a code
# template only. It will require modifications to work:
# - It may require correct/in-range values for request initialization.
# - It may require specifying regional endpoints when creating the service
# client as shown in https://cloud.google.com/ruby/docs/reference.
#
# This is an auto-generated example demonstrating basic usage of
# Google::Cloud::Workflows::V1::Workflows::Client#create_workflow.
#
def create_workflow
  # Create a client object. The client can be reused for multiple calls.
  client = Google::Cloud::Workflows::V1::Workflows::Client.new

  # Create a request. To set request fields, pass in keyword arguments.
  request = Google::Cloud::Workflows::V1::CreateWorkflowRequest.new

  # Call the create_workflow method.
  result = client.create_workflow request

  # The returned object is of type Gapic::Operation. You can use it to
  # check the status of an operation, cancel it, or wait for results.
  # Here is how to wait for a response.
  result.wait_until_done! timeout: 60
  if result.response?
    p result.response
  else
    puts "No response received."
  end
end

次のステップ

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