Menghapus snapshot disk

Menghapus snapshot disk dari salah satu project.

Jelajahi lebih lanjut

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

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"
)

// deleteSnapshot deletes a snapshot of a disk.
func deleteSnapshot(w io.Writer, projectID, snapshotName string) error {
	// projectID := "your_project_id"
	// snapshotName := "your_snapshot_name"

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

	req := &computepb.DeleteSnapshotRequest{
		Project:  projectID,
		Snapshot: snapshotName,
	}

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

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

	fmt.Fprintf(w, "Snapshot deleted\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.Operation;
import com.google.cloud.compute.v1.SnapshotsClient;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class DeleteSnapshot {

  public static void main(String[] args)
      throws IOException, ExecutionException, InterruptedException, TimeoutException {
    // TODO(developer): Replace these variables before running the sample.

    // Project ID or project number of the Cloud project you want to use.
    String projectId = "YOUR_PROJECT_ID";

    // Name of the snapshot to be deleted.
    String snapshotName = "YOUR_SNAPSHOT_NAME";

    deleteSnapshot(projectId, snapshotName);
  }

  // Delete a snapshot of a disk.
  public static void deleteSnapshot(String projectId, String snapshotName)
      throws IOException, ExecutionException, InterruptedException, 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 `snapshotsClient.close()` method on the client to safely
    // clean up any remaining background resources.
    try (SnapshotsClient snapshotsClient = SnapshotsClient.create()) {

      Operation operation = snapshotsClient.deleteAsync(projectId, snapshotName)
          .get(3, TimeUnit.MINUTES);

      if (operation.hasError()) {
        System.out.println("Snapshot deletion failed!" + operation);
        return;
      }

      System.out.println("Snapshot deleted!");
    }
  }
}

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 snapshotName = 'YOUR_SNAPSHOT_NAME';

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

async function deleteSnapshot() {
  const snapshotsClient = new compute.SnapshotsClient();

  const [response] = await snapshotsClient.delete({
    project: projectId,
    snapshot: snapshotName,
  });
  let operation = response.latestResponse;
  const operationsClient = new compute.GlobalOperationsClient();

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

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

deleteSnapshot();

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 delete_snapshot(project_id: str, snapshot_name: str) -> None:
    """
    Delete a snapshot of a disk.

    Args:
        project_id: project ID or project number of the Cloud project you want to use.
        snapshot_name: name of the snapshot to delete.
    """

    snapshot_client = compute_v1.SnapshotsClient()
    operation = snapshot_client.delete(project=project_id, snapshot=snapshot_name)

    wait_for_extended_operation(operation, "snapshot deletion")

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