Instanzvorlage mit einem Subnetz erstellen

Erstellen Sie eine Instanzvorlage, die ein angegebenes Subnetzwerk verwendet.

Weitere Informationen

Eine ausführliche Dokumentation, die dieses Codebeispiel enthält, finden Sie hier:

Codebeispiel

Go

Bevor Sie dieses Beispiel anwenden, folgen Sie den Schritten zur Einrichtung von Go in der Compute Engine-Kurzanleitung: Clientbibliotheken verwenden. Weitere Informationen finden Sie in der Referenzdokumentation zur Compute Engine Go API.

import (
	"context"
	"fmt"
	"io"

	compute "cloud.google.com/go/compute/apiv1"
	computepb "google.golang.org/genproto/googleapis/cloud/compute/v1"
	"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: %v", 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: %v", err)
	}

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

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

	return nil
}

Java

Bevor Sie dieses Beispiel anwenden, folgen Sie den Schritten zur Einrichtung von Java in der Compute Engine-Kurzanleitung zur Verwendung von Clientbibliotheken. Weitere Informationen finden Sie in der Referenzdokumentation zur Compute Engine Java API.


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

Bevor Sie dieses Beispiel testen, folgen Sie der Einrichtungsanleitung für Node.js in der Schnellstartanleitung zur Verwendung von Clientbibliotheken. Weitere Informationen finden Sie in der Referenzdokumentation zur Compute Engine Node.js API.

/**
 * 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

Bevor Sie dieses Beispiel anwenden, folgen Sie den Schritten zur Einrichtung von Python in der Compute Engine-Kurzanleitung zur Verwendung von Clientbibliotheken. Weitere Informationen finden Sie in der Referenzdokumentation zur Cloud Engine Python API.

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:
    """
    This method will wait 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)

Nächste Schritte

Informationen zum Suchen und Filtern von Codebeispielen für andere Google Cloud-Produkte finden Sie im Google Cloud-Beispielbrowser.