Alle nicht verworfenen Images in einem Projekt auflisten

Rufen Sie eine Liste aller nicht verworfenen Images ab, die in einem bestimmten Projekt verfügbar sind.

Weitere Informationen

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

Codebeispiel

C#

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

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

public class ListImagesAsyncSample
{
    public async Task ListImagesAsync(
        // TODO(developer): Set your own default values for these parameters or pass different values when calling this method.
        string projectId = "your-project-id")
    {
        // Initialize client that will be used to send requests. This client only needs to be created
        // once, and can be reused for multiple requests.
        ImagesClient client = await ImagesClient.CreateAsync();

        // Make the request to list all non-deprecated images in a project.
        ListImagesRequest request = new ListImagesRequest
        {
            Project = projectId,
            // Listing only non-deprecated images to reduce the size of the reply.
            Filter = "deprecated.state != DEPRECATED",
            // MaxResults indicates the maximum number of items that will be returned per page.
            MaxResults = 100
        };

        // Although the MaxResults parameter is specified in the request, the sequence returned
        // by the ListAsync() method hides the pagination mechanic. The library makes multiple
        // requests to the API for you, so you can simply iterate over all the images.
        await foreach (var image in client.ListAsync(request))
        {
            // The result is an Image collection.
            Console.WriteLine($"Image: {image.Name}");
        }
    }
}

Go

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

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import (
	"context"
	"fmt"
	"io"

	compute "cloud.google.com/go/compute/apiv1"
	"google.golang.org/api/iterator"
	computepb "google.golang.org/genproto/googleapis/cloud/compute/v1"
	"google.golang.org/protobuf/proto"
)

// printImagesList prints a list of all non-deprecated image names available in given project.
func printImagesList(w io.Writer, projectID string) error {
	// projectID := "your_project_id"
	ctx := context.Background()
	imagesClient, err := compute.NewImagesRESTClient(ctx)
	if err != nil {
		return fmt.Errorf("NewImagesRESTClient: %w", err)
	}
	defer imagesClient.Close()

	// Listing only non-deprecated images to reduce the size of the reply.
	req := &computepb.ListImagesRequest{
		Project:    projectID,
		MaxResults: proto.Uint32(3),
		Filter:     proto.String("deprecated.state != DEPRECATED"),
	}

	// Although the `MaxResults` parameter is specified in the request, the iterator returned
	// by the `list()` method hides the pagination mechanic. The library makes multiple
	// requests to the API for you, so you can simply iterate over all the images.
	it := imagesClient.List(ctx, req)
	for {
		image, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return err
		}
		fmt.Fprintf(w, "- %s\n", image.GetName())
	}
	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.

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import com.google.cloud.compute.v1.Image;
import com.google.cloud.compute.v1.ImagesClient;
import com.google.cloud.compute.v1.ImagesClient.ListPage;
import com.google.cloud.compute.v1.ListImagesRequest;
import java.io.IOException;
  // Prints a list of all non-deprecated image names available in given project.
  public static void listImages(String project) throws IOException {
    // 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 (ImagesClient imagesClient = ImagesClient.create()) {

      // Listing only non-deprecated images to reduce the size of the reply.
      ListImagesRequest imagesRequest = ListImagesRequest.newBuilder()
          .setProject(project)
          .setMaxResults(100)
          .setFilter("deprecated.state != DEPRECATED")
          .build();

      // Although the `setMaxResults` parameter is specified in the request, the iterable returned
      // by the `list()` method hides the pagination mechanic. The library makes multiple
      // requests to the API for you, so you can simply iterate over all the images.
      int imageCount = 0;
      for (Image image : imagesClient.list(imagesRequest).iterateAll()) {
        imageCount++;
        System.out.println(image.getName());
      }
      System.out.printf("Image count in %s is: %s", project, imageCount);
    }
  }

Node.js

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

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/**
 * TODO(developer): Uncomment and replace these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';

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

async function listImages() {
  const imagesClient = new compute.ImagesClient();

  // Listing only non-deprecated images to reduce the size of the reply.
  const images = imagesClient.listAsync({
    project: projectId,
    maxResults: 3,
    filter: 'deprecated.state != DEPRECATED',
  });

  // Although the `maxResults` parameter is specified in the request, the iterable returned
  // by the `listAsync()` method hides the pagination mechanic. The library makes multiple
  // requests to the API for you, so you can simply iterate over all the images.
  for await (const image of images) {
    console.log(` - ${image.name}`);
  }
}

listImages();

PHP

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

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use Google\Cloud\Compute\V1\Client\ImagesClient;
use Google\Cloud\Compute\V1\ListImagesRequest;

/**
 * Prints a list of all non-deprecated image names available in given project.
 *
 * @param string $projectId Project ID or project number of the Cloud project you want to list images from.
 *
 * @throws \Google\ApiCore\ApiException if the remote call fails.
 */
function list_all_images(string $projectId)
{
    $imagesClient = new ImagesClient();
    // Listing only non-deprecated images to reduce the size of the reply.
    $optionalArgs = ['maxResults' => 100, 'filter' => 'deprecated.state != DEPRECATED'];

    /**
     * Although the maxResults parameter is specified in the request, the iterateAllElements() method
     * hides the pagination mechanic. The library makes multiple requests to the API for you,
     * so you can simply iterate over all the images.
     */
    $request = (new ListImagesRequest())
        ->setProject($projectId)
        ->setMaxResults($optionalArgs['maxResults'])
        ->setFilter($optionalArgs['filter']);
    $pagedResponse = $imagesClient->list($request);
    print('=================== Flat list of images ===================' . PHP_EOL);
    foreach ($pagedResponse->iterateAllElements() as $element) {
        printf(' - %s' . PHP_EOL, $element->getName());
    }
}

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 Compute Engine Python API.

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import google.cloud.compute_v1 as compute_v1

def print_images_list(project: str) -> str:
    """
    Prints a list of all non-deprecated image names available in given project.

    Args:
        project: project ID or project number of the Cloud project you want to list images from.

    Returns:
        The output as a string.
    """
    images_client = compute_v1.ImagesClient()
    # Listing only non-deprecated images to reduce the size of the reply.
    images_list_request = compute_v1.ListImagesRequest(
        project=project, max_results=100, filter="deprecated.state != DEPRECATED"
    )
    output = []

    # Although the `max_results` parameter is specified in the request, the iterable returned
    # by the `list()` method hides the pagination mechanic. The library makes multiple
    # requests to the API for you, so you can simply iterate over all the images.
    for img in images_client.list(request=images_list_request):
        print(f" -  {img.name}")
        output.append(f" -  {img.name}")
    return "\n".join(output)

Ruby

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

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require "google/cloud/compute/v1"

# Prints a list of all non-deprecated image names available in given project.
#
# @param [String] project project ID or project number of the Cloud project you want to list images from.
def print_images_list project:
  client = ::Google::Cloud::Compute::V1::Images::Rest::Client.new

  # Make the request to list all non-deprecated images in a project.
  request = {
    project: project,
    # max_results indicates the maximum number of items that will be returned per page.
    max_results: 100,
    # Listing only non-deprecated images to reduce the size of the reply.
    filter: "deprecated.state != DEPRECATED"
  }

  # Although the `max_results` parameter is specified in the request, the iterable returned
  # by the `list` method hides the pagination mechanic. The library makes multiple
  # requests to the API for you, so you can simply iterate over all the images.
  client.list(request).each do |image|
    puts " - #{image.name}"
  end
end

Nächste Schritte

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