Enumerar registros

Recupera registros de dispositivos de un proyecto o una región.

Explora más

Para obtener documentación en la que se incluye esta muestra de código, consulta lo siguiente:

Autenticar aplicaciones

Muestra de código

Go

Si quieres obtener más información, consulta la documentación de referencia de la API de Go de Cloud IoT Core.

Para autenticarte en Cloud IoT Core, configura las credenciales predeterminadas de la aplicación. Si deseas obtener más información, consulta Configura la autenticación para un entorno de desarrollo local.

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// listRegistries gets the names of device registries given a project / region.
func listRegistries(w io.Writer, projectID string, region string) ([]*cloudiot.DeviceRegistry, error) {
	// Authorize the client using Application Default Credentials.
	// See https://g.co/dv/identity/protocols/application-default-credentials
	ctx := context.Background()
	httpClient, err := google.DefaultClient(ctx, cloudiot.CloudPlatformScope)
	if err != nil {
		return nil, err
	}
	client, err := cloudiot.New(httpClient)
	if err != nil {
		return nil, err
	}

	parent := fmt.Sprintf("projects/%s/locations/%s", projectID, region)
	response, err := client.Projects.Locations.Registries.List(parent).Do()
	if err != nil {
		return nil, err
	}

	if len(response.DeviceRegistries) == 0 {
		fmt.Fprintln(w, "No registries found")
		return response.DeviceRegistries, nil
	}

	fmt.Fprintf(w, "%d registries:\n", len(response.DeviceRegistries))
	for _, registry := range response.DeviceRegistries {
		fmt.Fprintf(w, "\t%s\n", registry.Name)
	}

	return response.DeviceRegistries, nil
}

Java

Si quieres obtener más información, consulta la documentación de referencia de la API de Java de Cloud IoT Core.

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/** Lists all of the registries associated with the given project. */
protected static void listRegistries(String projectId, String cloudRegion)
    throws GeneralSecurityException, IOException {
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault().createScoped(CloudIotScopes.all());
  JsonFactory jsonFactory = GsonFactory.getDefaultInstance();
  HttpRequestInitializer init = new HttpCredentialsAdapter(credential);
  final CloudIot service =
      new CloudIot.Builder(GoogleNetHttpTransport.newTrustedTransport(), jsonFactory, init)
          .setApplicationName(APP_NAME)
          .build();

  final String projectPath = "projects/" + projectId + "/locations/" + cloudRegion;

  List<DeviceRegistry> registries =
      service
          .projects()
          .locations()
          .registries()
          .list(projectPath)
          .execute()
          .getDeviceRegistries();

  if (registries != null) {
    System.out.println("Found " + registries.size() + " registries");
    for (DeviceRegistry r : registries) {
      System.out.println("Id: " + r.getId());
      System.out.println("Name: " + r.getName());
      if (r.getMqttConfig() != null) {
        System.out.println("Config: " + r.getMqttConfig().toPrettyString());
      }
      System.out.println();
    }
  } else {
    System.out.println("Project has no registries.");
  }
}

Node.js

Si quieres obtener más información, consulta la documentación de referencia de la API de Node.js de Cloud IoT Core.

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// const cloudRegion = 'us-central1';
// const projectId = 'adjective-noun-123';
const iot = require('@google-cloud/iot');

const newClient = new iot.v1.DeviceManagerClient({
  // optional auth parameters.
});

async function listDeviceRegistries() {
  // Construct request
  // Iterate over all elements.
  const formattedParent = newClient.locationPath(projectId, cloudRegion);

  const [response] = await newClient.listDeviceRegistries({
    parent: formattedParent,
  });
  const resources = response;
  console.log('Current registries in project:\n', resources);
}

listDeviceRegistries();

PHP

Si quieres obtener más información, consulta la documentación de referencia de la API de PHP de Cloud IoT Core.

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use Google\Cloud\Iot\V1\DeviceManagerClient;

/**
 * List all registries in the project.
 *
 * @param string $projectId Google Cloud project ID
 * @param string $location (Optional) Google Cloud region
 */
function list_registries(
    $projectId,
    $location = 'us-central1'
) {
    print('Listing Registries' . PHP_EOL);

    // The Google Cloud Client Library automatically checks the environment
    // variable GOOGLE_APPLICATION_CREDENTIALS for the Service Account
    // credentials, and defaults scopes to [
    //    'https://www.googleapis.com/auth/cloud-platform',
    //    'https://www.googleapis.com/auth/cloudiot'
    // ].
    $deviceManager = new DeviceManagerClient();
    $locationName = $deviceManager->locationName($projectId, $location);

    $response = $deviceManager->listDeviceRegistries($locationName);

    foreach ($response->iterateAllElements() as $registry) {
        printf(' - Id: %s, Name: %s' . PHP_EOL,
            $registry->getId(),
            $registry->getName());
    }
}

Python

Si quieres obtener más información, consulta la documentación de referencia de la API de Python de Cloud IoT Core.

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# project_id = 'YOUR_PROJECT_ID'
# cloud_region = 'us-central1'
print("Listing Registries")
client = iot_v1.DeviceManagerClient()
parent = f"projects/{project_id}/locations/{cloud_region}"

registries = list(client.list_device_registries(request={"parent": parent}))
for registry in registries:
    print("id: {}\n\tname: {}".format(registry.id, registry.name))

return registries

Ruby

Si quieres obtener más información, consulta la documentación de referencia de la API de Ruby de Cloud IoT Core.

Ver en GitHub Comentarios

# project_id  = "Your Google Cloud project ID"
# location_id = "The Cloud region to list registries in"

require "google/apis/cloudiot_v1"

# Initialize the client and authenticate with the specified scope
Cloudiot   = Google::Apis::CloudiotV1
iot_client = Cloudiot::CloudIotService.new
iot_client.authorization = Google::Auth.get_application_default(
  "https://www.googleapis.com/auth/cloud-platform"
)

# The resource name of the location associated with the project
resource = "projects/#{project_id}/locations/#{location_id}"

# List the devices in the provided region
registries = iot_client.list_project_location_registries(
  resource
)

puts "Registries:"
if registries.device_registries && registries.device_registries.any?
  registries.device_registries.each { |registry| puts "\t#{registry.id}" }
else
  puts "\tNo device registries found in this region for your project."
end

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