Retomar uma VM suspensa

Retomar uma VM suspensa no projeto e na zona especificados.

Mais informações

Para ver a documentação detalhada que inclui este exemplo de código, consulte:

• Suspender ou retomar uma VM

Exemplo de código

Go

Antes de testar esta amostra, siga as instruções de configuração do Go no Guia de início rápido do Compute Engine: como usar bibliotecas de cliente. Para mais informações, consulte a documentação de referência da API Go do Compute Engine.

Para autenticar-se no Compute Engine, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

import (
	"context"
	"fmt"
	"io"

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

// resumeInstance resumes a suspended Google Compute Engine instance
// (with unencrypted disks).
func resumeInstance(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()

	getInstanceReq := &computepb.GetInstanceRequest{
		Project:  projectID,
		Zone:     zone,
		Instance: instanceName,
	}

	instance, err := instancesClient.Get(ctx, getInstanceReq)
	if err != nil {
		return fmt.Errorf("unable to get instance: %w", err)
	}

	if instance.GetStatus() != "SUSPENDED" {
		return fmt.Errorf(
			"only suspended instances can be resumed, instance %s is in %s state",
			instanceName,
			instance.GetStatus(),
		)
	}

	resumeInstanceReq := &computepb.ResumeInstanceRequest{
		Project:  projectID,
		Zone:     zone,
		Instance: instanceName,
	}

	op, err := instancesClient.Resume(ctx, resumeInstanceReq)
	if err != nil {
		return fmt.Errorf("unable to resume 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 resumed\n")

	return nil
}

Java

Antes de testar esta amostra, siga as instruções de configuração do Java no Guia de início rápido do Compute Engine: como usar bibliotecas de cliente. Para mais informações, consulte a documentação de referência da API Java do Compute Engine.

Para autenticar-se no Compute Engine, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

import com.google.cloud.compute.v1.Instance.Status;
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 ResumeInstance {

  public static void main(String[] args)
      throws IOException, ExecutionException, InterruptedException, TimeoutException {
    // TODO(developer): Replace these variables before running the sample.
    // project: project ID or project number of the Cloud project your instance belongs to.
    // zone: name of the zone your instance belongs to.
    // instanceName: name of the instance your want to resume.

    String project = "your-project-id";
    String zone = "zone-name";
    String instanceName = "instance-name";

    resumeInstance(project, zone, instanceName);
  }

  // Resume a suspended Google Compute Engine instance (with unencrypted disks).
  // Instance state changes to RUNNING, if successfully resumed.
  public static void resumeInstance(String project, String zone, String instanceName)
      throws IOException, ExecutionException, InterruptedException, TimeoutException {
    // Instantiates a client.
    try (InstancesClient instancesClient = InstancesClient.create()) {

      String currentInstanceState = instancesClient.get(project, zone, instanceName).getStatus();

      // Check if the instance is currently suspended.
      if (!currentInstanceState.equalsIgnoreCase(Status.SUSPENDED.toString())) {
        throw new RuntimeException(
            String.format("Only suspended instances can be resumed. Instance %s is in %s state.",
                instanceName, currentInstanceState));
      }

      Operation operation = instancesClient.resumeAsync(project, zone, instanceName)
          .get(300, TimeUnit.SECONDS);

      if (operation.hasError() || !instancesClient.get(project, zone, instanceName).getStatus()
          .equalsIgnoreCase(
              Status.RUNNING.toString())) {
        System.out.println("Cannot resume instance. Try again!");
        return;
      }

      System.out.printf("Instance resumed successfully ! %s", instanceName);
    }
  }
}

Node.js

Antes de testar esta amostra, siga as instruções de configuração do Node.js no Guia de início rápido do Compute Engine: como usar bibliotecas de cliente. Para mais informações, consulte a documentação de referência da API Node.js do Compute Engine.

Para autenticar-se no Compute Engine, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

/**
 * TODO(developer): Uncomment and replace 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');

// Resumes a suspended Google Compute Engine instance (with unencrypted disks).
async function resumeInstance() {
  const instancesClient = new compute.InstancesClient();

  const [instance] = await instancesClient.get({
    project: projectId,
    zone,
    instance: instanceName,
  });

  if (instance.status !== 'SUSPENDED') {
    throw new Error(
      'Only suspended instances can be resumed.' +
        `Instance ${instanceName} is in ${instance.status} state.`
    );
  }

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

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

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

resumeInstance();

PHP

Antes de testar esta amostra, siga as instruções de configuração do PHP no Guia de início rápido do Compute Engine: como usar bibliotecas de cliente. Para mais informações, consulte a documentação de referência da API PHP do Compute Engine.

Para autenticar-se no Compute Engine, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

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

/**
 * Resume a suspended Google Compute Engine instance (with unencrypted disks).
 *
 * @param string $projectId Project ID or project number of the Cloud project your instance belongs to.
 * @param string $zone Name of the zone your instance belongs to.
 * @param string $instanceName Name of the instance you want to resume.
  *
 * @throws \Google\ApiCore\ApiException if the remote call fails.
 * @throws \Google\ApiCore\ValidationException if local error occurs before remote call.
 */
function resume_instance(
    string $projectId,
    string $zone,
    string $instanceName
) {
    // Resume the suspended Compute Engine instance using InstancesClient.
    $instancesClient = new InstancesClient();
    $request = (new ResumeInstanceRequest())
        ->setInstance($instanceName)
        ->setProject($projectId)
        ->setZone($zone);
    $operation = $instancesClient->resume($request);

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

Python

Antes de testar esta amostra, siga as instruções de configuração do Python no Guia de início rápido do Compute Engine: como usar bibliotecas de cliente. Para mais informações, consulte a documentação de referência da API Python do Compute Engine.

Para autenticar-se no Compute Engine, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

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 resume_instance(project_id: str, zone: str, instance_name: str) -> None:
    """
    Resume a suspended Google Compute Engine instance (with unencrypted disks).
    Args:
        project_id: project ID or project number of the Cloud project your instance belongs to.
        zone: name of the zone your instance belongs to.
        instance_name: name of the instance you want to resume.
    """
    instance_client = compute_v1.InstancesClient()

    instance = instance_client.get(
        project=project_id, zone=zone, instance=instance_name
    )
    if instance.status != compute_v1.Instance.Status.SUSPENDED.name:
        raise RuntimeError(
            f"Only suspended instances can be resumed. "
            f"Instance {instance_name} is in {instance.status} state."
        )

    operation = instance_client.resume(
        project=project_id, zone=zone, instance=instance_name
    )

    wait_for_extended_operation(operation, "instance resumption")

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