Melanjutkan VM yang ditangguhkan

Melanjutkan VM yang ditangguhkan di project dan zona yang ditentukan.

Mempelajari lebih lanjut

Untuk dokumentasi mendetail yang menyertakan contoh kode ini, lihat artikel berikut:

• Menangguhkan atau melanjutkan VM

Contoh kode

Go

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Go di panduan memulai Compute Engine menggunakan library klien. Untuk informasi selengkapnya, lihat dokumentasi referensi API Go Compute Engine.

Untuk melakukan autentikasi ke Compute Engine, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, baca Menyiapkan autentikasi untuk lingkungan pengembangan lokal.

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

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Java di panduan memulai Compute Engine menggunakan library klien. Untuk informasi selengkapnya, lihat dokumentasi referensi API Java Compute Engine.

Untuk melakukan autentikasi ke Compute Engine, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, baca Menyiapkan autentikasi untuk lingkungan pengembangan lokal.

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

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Node.js di panduan memulai Compute Engine menggunakan library klien. Untuk informasi selengkapnya, lihat dokumentasi referensi API Node.js Compute Engine.

Untuk melakukan autentikasi ke Compute Engine, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, baca Menyiapkan autentikasi untuk lingkungan pengembangan lokal.

/**
 * 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

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan PHP di panduan memulai Compute Engine menggunakan library klien. Untuk informasi selengkapnya, lihat dokumentasi referensi API PHP Compute Engine.

Untuk melakukan autentikasi ke Compute Engine, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, baca Menyiapkan autentikasi untuk lingkungan pengembangan lokal.

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

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Python di panduan memulai Compute Engine menggunakan library klien. Untuk informasi selengkapnya, lihat dokumentasi referensi API Python Compute Engine.

Untuk melakukan autentikasi ke Compute Engine, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, baca Menyiapkan autentikasi untuk lingkungan pengembangan lokal.

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")

Langkah selanjutnya

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