サブネットを使用してインスタンステンプレートを作成する

指定したサブネットワークを使用するインスタンステンプレートを作成します。

このコードサンプルを含む詳細なドキュメントについては、以下をご覧ください。

インスタンステンプレートを作成する

コードサンプル

Go

このサンプルを試す前に、Compute Engine クイックスタート: クライアントライブラリの使用に記載されている Go の設定手順に沿って操作します。詳細については、Compute Engine Go API リファレンスドキュメントをご覧ください。

Compute Engine に対して認証を行うには、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を設定するをご覧ください。

import (
	"context"
	"fmt"
	"io"

	compute "cloud.google.com/go/compute/apiv1"
	computepb "cloud.google.com/go/compute/apiv1/computepb"
	"google.golang.org/protobuf/proto"
)

// createTemplateWithSubnet creates an instance template that uses a provided subnet.
func createTemplateWithSubnet(w io.Writer, projectID, network, subnetwork, templateName string) error {
	// projectID := "your_project_id"
	// network := "projects/project/global/networks/network"
	// subnetwork := "projects/project/regions/region/subnetworks/subnetwork"
	// templateName := "your_template_name"

	ctx := context.Background()
	instanceTemplatesClient, err := compute.NewInstanceTemplatesRESTClient(ctx)
	if err != nil {
		return fmt.Errorf("NewInstanceTemplatesRESTClient: %w", err)
	}
	defer instanceTemplatesClient.Close()

	req := &computepb.InsertInstanceTemplateRequest{
		Project: projectID,
		InstanceTemplateResource: &computepb.InstanceTemplate{
			Name: proto.String(templateName),
			Properties: &computepb.InstanceProperties{
				// The template describes the size and source image of the boot disk
				// to attach to the instance.
				Disks: []*computepb.AttachedDisk{
					{
						InitializeParams: &computepb.AttachedDiskInitializeParams{
							DiskSizeGb:  proto.Int64(250),
							SourceImage: proto.String("projects/debian-cloud/global/images/family/debian-11"),
						},
						AutoDelete: proto.Bool(true),
						Boot:       proto.Bool(true),
					},
				},
				MachineType: proto.String("e2-standard-4"),
				// The template connects the instance to the specified network and subnetwork.
				NetworkInterfaces: []*computepb.NetworkInterface{
					{
						Network:    proto.String(network),
						Subnetwork: proto.String(subnetwork),
					},
				},
			},
		},
	}

	op, err := instanceTemplatesClient.Insert(ctx, req)
	if err != nil {
		return fmt.Errorf("unable to create instance template: %w", err)
	}

	if err = op.Wait(ctx); err != nil {
		return fmt.Errorf("unable to wait for the operation: %w", err)
	}

	fmt.Fprintf(w, "Instance template created\n")

	return nil
}

Java

このサンプルを試す前に、Compute Engine クイックスタート: クライアントライブラリの使用に記載されている Java の設定手順に沿って操作します。詳細については、Compute Engine Java API リファレンスドキュメントをご覧ください。


import com.google.cloud.compute.v1.AttachedDisk;
import com.google.cloud.compute.v1.AttachedDiskInitializeParams;
import com.google.cloud.compute.v1.GlobalOperationsClient;
import com.google.cloud.compute.v1.InsertInstanceTemplateRequest;
import com.google.cloud.compute.v1.InstanceProperties;
import com.google.cloud.compute.v1.InstanceTemplate;
import com.google.cloud.compute.v1.InstanceTemplatesClient;
import com.google.cloud.compute.v1.NetworkInterface;
import com.google.cloud.compute.v1.Operation;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class CreateTemplateWithSubnet {

  public static void main(String[] args)
      throws IOException, ExecutionException, InterruptedException, TimeoutException {
    /*
    TODO(developer): Replace these variables before running the sample.
    projectId: project ID or project number of the Cloud project you use.
    network: the network to be used in the new template. This value uses
        the following format: "projects/{project}/global/networks/{network}"
    subnetwork: the subnetwork to be used in the new template. This value
        uses the following format: "projects/{project}/regions/{region}/subnetworks/{subnetwork}"
    templateName: name of the new template to create.
    */
    String projectId = "your-project-id";
    String network = String.format("projects/%s/global/networks/%s", projectId, "network");
    String subnetwork = String.format("projects/%s/regions/%s/subnetworks/%s", projectId, "region",
        "subnetwork");
    String templateName = "template-name";
    createTemplateWithSubnet(projectId, network, subnetwork, templateName);
  }

  // Create an instance template that uses a provided subnet.
  public static void createTemplateWithSubnet(String projectId, String network, String subnetwork,
      String templateName)
      throws IOException, ExecutionException, InterruptedException, TimeoutException {
    try (InstanceTemplatesClient instanceTemplatesClient = InstanceTemplatesClient.create();
        GlobalOperationsClient globalOperationsClient = GlobalOperationsClient.create()) {

      AttachedDisk disk = AttachedDisk.newBuilder()
          .setInitializeParams(AttachedDiskInitializeParams.newBuilder()
              .setSourceImage(
                  String.format("projects/%s/global/images/family/%s", "debian-cloud", "debian-11"))
              .setDiskSizeGb(250).build())
          .setAutoDelete(true)
          .setBoot(true)
          .build();

      InstanceProperties instanceProperties = InstanceProperties.newBuilder()
          .addDisks(disk)
          .setMachineType("e2-standard-4")
          .addNetworkInterfaces(NetworkInterface.newBuilder()
              .setNetwork(network)
              .setSubnetwork(subnetwork).build())
          .build();

      InstanceTemplate instanceTemplate = InstanceTemplate.newBuilder()
          .setName(templateName)
          .setProperties(instanceProperties)
          .build();

      InsertInstanceTemplateRequest insertInstanceTemplateRequest = InsertInstanceTemplateRequest
          .newBuilder()
          .setProject(projectId)
          .setInstanceTemplateResource(instanceTemplate)
          .build();

      Operation operation = instanceTemplatesClient.insertCallable()
          .futureCall(insertInstanceTemplateRequest).get(3, TimeUnit.MINUTES);

      Operation response = globalOperationsClient.wait(projectId, operation.getName());

      if (response.hasError()) {
        System.out.println("Template creation from subnet failed ! ! " + response);
        return;
      }
      System.out.printf("Template creation from subnet operation status %s: %s", templateName,
          response.getStatus());
    }
  }
}

Node.js

このサンプルを試す前に、Compute Engine クイックスタート: クライアントライブラリの使用に記載されている Node.js の設定手順に沿って操作します。詳細については、Compute Engine Node.js API リファレンスドキュメントをご覧ください。

/**
 * TODO(developer): Uncomment and replace these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';
// const network = 'projects/project/global/networks/network';
// const subnetwork = 'projects/project/regions/region/subnetworks/subnetwork';
// const templateName = 'your_template_name';

const compute = require('@google-cloud/compute');

// Create an instance template that uses a provided subnet.
async function createTemplateWithSubnet() {
  const instanceTemplatesClient = new compute.InstanceTemplatesClient();

  const [response] = await instanceTemplatesClient.insert({
    project: projectId,
    instanceTemplateResource: {
      name: templateName,
      properties: {
        // The template describes the size and source image of the boot disk
        // to attach to the instance.
        disks: [
          {
            // The template describes the size and source image of the boot disk
            // to attach to the instance.
            initializeParams: {
              diskSizeGb: '250',
              sourceImage:
                'projects/debian-cloud/global/images/family/debian-11',
            },
            autoDelete: true,
            boot: true,
          },
        ],
        machineType: 'e2-standard-4',
        // The template connects the instance to the specified network and subnetwork.
        networkInterfaces: [
          {
            network,
            subnetwork,
          },
        ],
      },
    },
  });
  let operation = response.latestResponse;
  const operationsClient = new compute.GlobalOperationsClient();

  // Wait for the create operation to complete.
  while (operation.status !== 'DONE') {
    [operation] = await operationsClient.wait({
      operation: operation.name,
      project: projectId,
    });
  }

  console.log('Instance template created.');
}

createTemplateWithSubnet();

Python

このサンプルを試す前に、Compute Engine クイックスタート: クライアントライブラリの使用に記載されている Python の設定手順に沿って操作します。詳細については、Compute Engine Python API リファレンスドキュメントをご覧ください。

from __future__ import annotations

import sys
from typing import Any

from google.api_core.extended_operation import ExtendedOperation
from google.cloud import compute_v1


def wait_for_extended_operation(
    operation: ExtendedOperation, verbose_name: str = "operation", timeout: int = 300
) -> Any:
    """
    Waits for the extended (long-running) operation to complete.

    If the operation is successful, it will return its result.
    If the operation ends with an error, an exception will be raised.
    If there were any warnings during the execution of the operation
    they will be printed to sys.stderr.

    Args:
        operation: a long-running operation you want to wait on.
        verbose_name: (optional) a more verbose name of the operation,
            used only during error and warning reporting.
        timeout: how long (in seconds) to wait for operation to finish.
            If None, wait indefinitely.

    Returns:
        Whatever the operation.result() returns.

    Raises:
        This method will raise the exception received from `operation.exception()`
        or RuntimeError if there is no exception set, but there is an `error_code`
        set for the `operation`.

        In case of an operation taking longer than `timeout` seconds to complete,
        a `concurrent.futures.TimeoutError` will be raised.
    """
    result = operation.result(timeout=timeout)

    if operation.error_code:
        print(
            f"Error during {verbose_name}: [Code: {operation.error_code}]: {operation.error_message}",
            file=sys.stderr,
            flush=True,
        )
        print(f"Operation ID: {operation.name}", file=sys.stderr, flush=True)
        raise operation.exception() or RuntimeError(operation.error_message)

    if operation.warnings:
        print(f"Warnings during {verbose_name}:\n", file=sys.stderr, flush=True)
        for warning in operation.warnings:
            print(f" - {warning.code}: {warning.message}", file=sys.stderr, flush=True)

    return result


def create_template_with_subnet(
    project_id: str, network: str, subnetwork: str, template_name: str
) -> compute_v1.InstanceTemplate:
    """
    Create an instance template that uses a provided subnet.

    Args:
        project_id: project ID or project number of the Cloud project you use.
        network: the network to be used in the new template. This value uses
            the following format: "projects/{project}/global/networks/{network}"
        subnetwork: the subnetwork to be used in the new template. This value
            uses the following format: "projects/{project}/regions/{region}/subnetworks/{subnetwork}"
        template_name: name of the new template to create.

    Returns:
        InstanceTemplate object that represents the new instance template.
    """
    # The template describes the size and source image of the book disk to
    # attach to the instance.
    disk = compute_v1.AttachedDisk()
    initialize_params = compute_v1.AttachedDiskInitializeParams()
    initialize_params.source_image = (
        "projects/debian-cloud/global/images/family/debian-11"
    )
    initialize_params.disk_size_gb = 250
    disk.initialize_params = initialize_params
    disk.auto_delete = True
    disk.boot = True

    template = compute_v1.InstanceTemplate()
    template.name = template_name
    template.properties = compute_v1.InstanceProperties()
    template.properties.disks = [disk]
    template.properties.machine_type = "e2-standard-4"

    # The template connects the instance to the specified network and subnetwork.
    network_interface = compute_v1.NetworkInterface()
    network_interface.network = network
    network_interface.subnetwork = subnetwork
    template.properties.network_interfaces = [network_interface]

    template_client = compute_v1.InstanceTemplatesClient()
    operation = template_client.insert(
        project=project_id, instance_template_resource=template
    )
    wait_for_extended_operation(operation, "instance template creation")

    return template_client.get(project=project_id, instance_template=template_name)

次のステップ

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サブネットを使用してインスタンス テンプレートを作成する

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