删除虚拟机实例

根据您提供的项目、可用区和实例名称删除实例。

深入探索

如需查看包含此代码示例的详细文档，请参阅以下内容：

• 删除虚拟机
• 在可用区或区域之间移动虚拟机实例
• 使用客户端库

代码示例

C#

试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 C# 设置说明进行操作。 如需了解详情，请参阅 Compute Engine C# API 参考文档。

如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

using Google.Cloud.Compute.V1;
using System.Threading.Tasks;

public class DeleteInstanceAsyncSample
{
    public async Task DeleteInstanceAsync(
        // TODO(developer): Set your own default values for these parameters or pass different values when calling this method.
        string projectId = "your-project-id",
        string zone = "us-central1-a",
        string machineName = "test-machine")
    {

        // Initialize client that will be used to send requests. This client only needs to be created
        // once, and can be reused for multiple requests.
        InstancesClient client = await InstancesClient.CreateAsync();

        // Make the request to delete a VM instance.
        var instanceDeletion = await client.DeleteAsync(projectId, zone, machineName);

        // Wait for the operation to complete using client-side polling.
        await instanceDeletion.PollUntilCompletedAsync();
    }
}

Go

试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 Go 设置说明进行操作。 如需了解详情，请参阅 Compute Engine Go API 参考文档。

如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

import (
	"context"
	"fmt"
	"io"

	compute "cloud.google.com/go/compute/apiv1"
	computepb "cloud.google.com/go/compute/apiv1/computepb"
)

// deleteInstance sends a delete request to the Compute Engine API and waits for it to complete.
func deleteInstance(w io.Writer, projectID, zone, instanceName string) error {
	// projectID := "your_project_id"
	// zone := "europe-central2-b"
	// instanceName := "your_instance_name"
	ctx := context.Background()
	instancesClient, err := compute.NewInstancesRESTClient(ctx)
	if err != nil {
		return fmt.Errorf("NewInstancesRESTClient: %w", err)
	}
	defer instancesClient.Close()

	req := &computepb.DeleteInstanceRequest{
		Project:  projectID,
		Zone:     zone,
		Instance: instanceName,
	}

	op, err := instancesClient.Delete(ctx, req)
	if err != nil {
		return fmt.Errorf("unable to delete instance: %w", err)
	}

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

	fmt.Fprintf(w, "Instance deleted\n")

	return nil
}

Java

试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 Java 设置说明进行操作。 如需了解详情，请参阅 Compute Engine Java API 参考文档。

如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

import com.google.api.gax.longrunning.OperationFuture;
import com.google.cloud.compute.v1.DeleteInstanceRequest;
import com.google.cloud.compute.v1.InstancesClient;
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 DeleteInstance {

  public static void main(String[] args)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    // TODO(developer): Replace these variables before running the sample.
    String project = "your-project-id";
    String zone = "zone-name";
    String instanceName = "instance-name";
    deleteInstance(project, zone, instanceName);
  }

  // Delete the instance specified by `instanceName`
  // if it's present in the given project and zone.
  public static void deleteInstance(String project, String zone, String instanceName)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    // Initialize client that will be used to send requests. This client only needs to be created
    // once, and can be reused for multiple requests. After completing all of your requests, call
    // the `instancesClient.close()` method on the client to safely
    // clean up any remaining background resources.
    try (InstancesClient instancesClient = InstancesClient.create()) {

      System.out.printf("Deleting instance: %s ", instanceName);

      // Describe which instance is to be deleted.
      DeleteInstanceRequest deleteInstanceRequest = DeleteInstanceRequest.newBuilder()
          .setProject(project)
          .setZone(zone)
          .setInstance(instanceName).build();

      OperationFuture<Operation, Operation> operation = instancesClient.deleteAsync(
          deleteInstanceRequest);
      // Wait for the operation to complete.
      Operation response = operation.get(3, TimeUnit.MINUTES);

      if (response.hasError()) {
        System.out.println("Instance deletion failed ! ! " + response);
        return;
      }
      System.out.println("Operation Status: " + response.getStatus());
    }
  }
}

Node.js

试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 Node.js 设置说明进行操作。 如需了解详情，请参阅 Compute Engine Node.js API 参考文档。

如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';
// const zone = 'europe-central2-b'
// const instanceName = 'YOUR_INSTANCE_NAME';

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

// Delete the instance specified by `instanceName` if it's present in the given project and zone.
async function deleteInstance() {
  const instancesClient = new compute.InstancesClient();

  console.log(`Deleting ${instanceName} from ${zone}...`);

  const [response] = await instancesClient.delete({
    project: projectId,
    zone,
    instance: instanceName,
  });
  let operation = response.latestResponse;
  const operationsClient = new compute.ZoneOperationsClient();

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

  console.log('Instance deleted.');
}

deleteInstance();

PHP

试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 PHP 设置说明进行操作。 如需了解详情，请参阅 Compute Engine PHP API 参考文档。

如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

use Google\Cloud\Compute\V1\Client\InstancesClient;
use Google\Cloud\Compute\V1\DeleteInstanceRequest;

/**
 * Delete an instance.
 *
 * @param string $projectId Your Google Cloud project ID.
 * @param string $zone Zone where the instance you want to delete is (like "us-central1-a").
 * @param string $instanceName Unique name for the Compute instance to delete.
 *
 * @throws \Google\ApiCore\ApiException if the remote call fails.
 * @throws \Google\ApiCore\ValidationException if local error occurs before remote call.
 */
function delete_instance(
    string $projectId,
    string $zone,
    string $instanceName
) {
    // Delete the Compute Engine instance using InstancesClient.
    $instancesClient = new InstancesClient();
    $request = (new DeleteInstanceRequest())
        ->setInstance($instanceName)
        ->setProject($projectId)
        ->setZone($zone);
    $operation = $instancesClient->delete($request);

    // Wait for the operation to complete.
    $operation->pollUntilComplete();
    if ($operation->operationSucceeded()) {
        printf('Deleted instance %s' . PHP_EOL, $instanceName);
    } else {
        $error = $operation->getError();
        printf('Failed to delete instance: %s' . PHP_EOL, $error?->getMessage());
    }
}

Python

试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 Python 设置说明进行操作。 如需了解详情，请参阅 Compute Engine Python API 参考文档。

如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

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 delete_instance(project_id: str, zone: str, machine_name: str) -> None:
    """
    Send an instance deletion request to the Compute Engine API and wait for it to complete.

    Args:
        project_id: project ID or project number of the Cloud project you want to use.
        zone: name of the zone you want to use. For example: “us-west3-b”
        machine_name: name of the machine you want to delete.
    """
    instance_client = compute_v1.InstancesClient()

    print(f"Deleting {machine_name} from {zone}...")
    operation = instance_client.delete(
        project=project_id, zone=zone, instance=machine_name
    )
    wait_for_extended_operation(operation, "instance deletion")
    print(f"Instance {machine_name} deleted.")

Ruby

试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 Ruby 设置说明进行操作。 如需了解详情，请参阅 Compute Engine Ruby API 参考文档。

如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

require "google/cloud/compute/v1"

# Sends an instance deletion request to the Compute Engine API and waits for it to complete.
#
# @param [String] project project ID or project number of the Cloud project you want to use.
# @param [String] zone name of the zone you want to use. For example: "us-west3-b"
# @param [String] instance_name name of the instance you want to delete.
def delete_instance project:, zone:, instance_name:
  # Initialize client that will be used to send requests. This client only needs to be created
  # once, and can be reused for multiple requests.
  client = ::Google::Cloud::Compute::V1::Instances::Rest::Client.new

  puts "Deleting #{instance_name} from #{zone}..."
  begin
    # Make the request to delete a VM instance.
    operation = client.delete project: project, zone: zone, instance: instance_name
    # Wait for the delete operation to complete.
    operation = wait_until_done operation: operation

    if operation.error?
      warn "Error during deletion:", operation.error
    else
      compute_operation = operation.operation
      warn "Warning during creation:", compute_operation.warnings unless compute_operation.warnings.empty?
      puts "Instance #{instance_name} deleted."
    end
  rescue ::Google::Cloud::Error => e
    warn "Exception during deletion:", e
  end
end

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。