모든 VM 인스턴스 나열

모든 영역에서 프로젝트에 있는 모든 VM 인스턴스를 나열합니다.

더 살펴보기

이 코드 샘플이 포함된 자세한 문서는 다음을 참조하세요.

• VM 목록 가져오기
• 클라이언트 라이브러리 사용

코드 샘플

C#

이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 C# 설정 안내를 따르세요. 자세한 내용은 Compute Engine C# API 참고 문서를 확인하세요.

Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

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

public class ListAllInstancesAsyncSample
{
    public async Task<IList<Instance>> ListAllInstancesAsync(
        // 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.
        InstancesClient client = await InstancesClient.CreateAsync();
        IList<Instance> allInstances = new List<Instance>();

        // Make the request to list all VM instances in a project.
        await foreach (var instancesByZone in client.AggregatedListAsync(projectId))
        {
            // The result contains a KeyValuePair collection, where the key is a zone and the value
            // is a collection of instances in that zone.
            Console.WriteLine($"Instances for zone: {instancesByZone.Key}");
            foreach (var instance in instancesByZone.Value.Instances)
            {
                Console.WriteLine($"-- Name: {instance.Name}");
                allInstances.Add(instance);
            }
        }

        return allInstances;
    }
}

Go

이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 Go 설정 안내를 따르세요. 자세한 내용은 Compute Engine Go API 참고 문서를 확인하세요.

Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

import (
	"context"
	"fmt"
	"io"

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

// listAllInstances prints all instances present in a project, grouped by their zone.
func listAllInstances(w io.Writer, projectID string) error {
	// projectID := "your_project_id"
	ctx := context.Background()
	instancesClient, err := compute.NewInstancesRESTClient(ctx)
	if err != nil {
		return fmt.Errorf("NewInstancesRESTClient: %w", err)
	}
	defer instancesClient.Close()

	// Use the `MaxResults` parameter to limit the number of results that the API returns per response page.
	req := &computepb.AggregatedListInstancesRequest{
		Project:    projectID,
		MaxResults: proto.Uint32(3),
	}

	it := instancesClient.AggregatedList(ctx, req)
	fmt.Fprintf(w, "Instances found:\n")
	// Despite using the `MaxResults` parameter, you don't need to handle the pagination
	// yourself. The returned iterator object handles pagination
	// automatically, returning separated pages as you iterate over the results.
	for {
		pair, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return err
		}
		instances := pair.Value.Instances
		if len(instances) > 0 {
			fmt.Fprintf(w, "%s\n", pair.Key)
			for _, instance := range instances {
				fmt.Fprintf(w, "- %s %s\n", instance.GetName(), instance.GetMachineType())
			}
		}
	}
	return nil
}

Java

이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 Java 설정 안내를 따르세요. 자세한 내용은 Compute Engine Java API 참고 문서를 확인하세요.

Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

import com.google.cloud.compute.v1.AggregatedListInstancesRequest;
import com.google.cloud.compute.v1.Instance;
import com.google.cloud.compute.v1.InstancesClient;
import com.google.cloud.compute.v1.InstancesClient.AggregatedListPagedResponse;
import com.google.cloud.compute.v1.InstancesScopedList;
import java.io.IOException;
import java.util.Map;

public class ListAllInstances {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample
    String project = "your-project-id";
    listAllInstances(project);
  }

  // List all instances in the specified project ID.
  public static AggregatedListPagedResponse listAllInstances(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 (InstancesClient instancesClient = InstancesClient.create()) {

      // Use the `setMaxResults` parameter to limit the number of results
      // that the API returns per response page.
      AggregatedListInstancesRequest aggregatedListInstancesRequest = AggregatedListInstancesRequest
          .newBuilder()
          .setProject(project)
          .setMaxResults(5)
          .build();

      InstancesClient.AggregatedListPagedResponse response = instancesClient
          .aggregatedList(aggregatedListInstancesRequest);

      // Despite using the `setMaxResults` parameter, you don't need to handle the pagination
      // yourself. The returned `AggregatedListPager` object handles pagination
      // automatically, requesting next pages as you iterate over the results.
      for (Map.Entry<String, InstancesScopedList> zoneInstances : response.iterateAll()) {
        // Instances scoped by each zone
        String zone = zoneInstances.getKey();
        if (!zoneInstances.getValue().getInstancesList().isEmpty()) {
          // zoneInstances.getKey() returns the fully qualified address.
          // Hence, strip it to get the zone name only
          System.out.printf("Instances at %s: ", zone.substring(zone.lastIndexOf('/') + 1));
          for (Instance instance : zoneInstances.getValue().getInstancesList()) {
            System.out.println(instance.getName());
          }
        }
      }
      System.out.println("####### Listing all instances complete #######");
      return response;
    }
  }

}

Node.js

이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 Node.js 설정 안내를 따르세요. 자세한 내용은 Compute Engine Node.js API 참고 문서를 확인하세요.

Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

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

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

// List all instances in the specified project.
async function listAllInstances() {
  const instancesClient = new compute.InstancesClient();

  //Use the `maxResults` parameter to limit the number of results that the API returns per response page.
  const aggListRequest = instancesClient.aggregatedListAsync({
    project: projectId,
    maxResults: 5,
  });

  console.log('Instances found:');

  // Despite using the `maxResults` parameter, you don't need to handle the pagination
  // yourself. The returned object handles pagination automatically,
  // requesting next pages as you iterate over the results.
  for await (const [zone, instancesObject] of aggListRequest) {
    const instances = instancesObject.instances;

    if (instances && instances.length > 0) {
      console.log(` ${zone}`);
      for (const instance of instances) {
        console.log(` - ${instance.name} (${instance.machineType})`);
      }
    }
  }
}

listAllInstances();

PHP

이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 PHP 설정 안내를 따르세요. 자세한 내용은 Compute Engine PHP API 참고 문서를 확인하세요.

Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

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

/**
 * List all instances for a particular Cloud project.
 *
 * @param string $projectId Your Google Cloud project ID.
 *
 * @throws \Google\ApiCore\ApiException if the remote call fails.
 */
function list_all_instances(string $projectId)
{
    // List Compute Engine instances using InstancesClient.
    $instancesClient = new InstancesClient();
    $request = (new AggregatedListInstancesRequest())
        ->setProject($projectId);
    $allInstances = $instancesClient->aggregatedList($request);

    printf('All instances for %s' . PHP_EOL, $projectId);
    foreach ($allInstances as $zone => $zoneInstances) {
        $instances = $zoneInstances->getInstances();
        if (count($instances) > 0) {
            printf('Zone - %s' . PHP_EOL, $zone);
            foreach ($instances as $instance) {
                printf(' - %s' . PHP_EOL, $instance->getName());
            }
        }
    }
}

Python

이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 Python 설정 안내를 따르세요. 자세한 내용은 Compute Engine Python API 참고 문서를 확인하세요.

Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

from __future__ import annotations

from collections import defaultdict
from collections.abc import Iterable

from google.cloud import compute_v1


def list_all_instances(
    project_id: str,
) -> dict[str, Iterable[compute_v1.Instance]]:
    """
    Returns a dictionary of all instances present in a project, grouped by their zone.

    Args:
        project_id: project ID or project number of the Cloud project you want to use.
    Returns:
        A dictionary with zone names as keys (in form of "zones/{zone_name}") and
        iterable collections of Instance objects as values.
    """
    instance_client = compute_v1.InstancesClient()
    request = compute_v1.AggregatedListInstancesRequest()
    request.project = project_id
    # Use the `max_results` parameter to limit the number of results that the API returns per response page.
    request.max_results = 50

    agg_list = instance_client.aggregated_list(request=request)

    all_instances = defaultdict(list)
    print("Instances found:")
    # Despite using the `max_results` parameter, you don't need to handle the pagination
    # yourself. The returned `AggregatedListPager` object handles pagination
    # automatically, returning separated pages as you iterate over the results.
    for zone, response in agg_list:
        if response.instances:
            all_instances[zone].extend(response.instances)
            print(f" {zone}:")
            for instance in response.instances:
                print(f" - {instance.name} ({instance.machine_type})")
    return all_instances

Ruby

이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 Ruby 설정 안내를 따르세요. 자세한 내용은 Compute Engine Ruby API 참고 문서를 확인하세요.

Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

require "google/cloud/compute/v1"

# Returns a dictionary of all instances present in a project, grouped by their zone.
#
# @param [String] project project ID or project number of the Cloud project you want to use.
# @return [Hash<String, Array<::Google::Cloud::Compute::V1::Instance>>] A hash with zone names
#   as keys (in form of "zones/{zone_name}") and arrays of instances as values.
def list_all_instances project:
  # 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

  # Send the request to list all VM instances in a project.
  agg_list = client.aggregated_list project: project
  all_instances = {}
  puts "Instances found:"
  # The result contains a Map collection, where the key is a zone and the value
  # is a collection of instances in that zone.
  agg_list.each do |zone, list|
    next if list.instances.empty?
    all_instances[zone] = list.instances
    puts " #{zone}:"
    list.instances.each do |instance|
      puts " - #{instance.name} (#{instance.machine_type})"
    end
  end
  all_instances
end

다음 단계

다른 Google Cloud 제품의 코드 샘플을 검색하고 필터링하려면 Google Cloud 샘플 브라우저를 참조하세요.