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Bind a device

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Bind a device to a gateway.

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For detailed documentation that includes this code sample, see the following:

Code sample

C#

public static object BindDeviceToGateway(string projectId, string cloudRegion,
    string registryName, string deviceId, string gatewayId)
{
    CreateDevice(projectId, cloudRegion, registryName, deviceId);
    var cloudIot = CreateAuthorizedClient();
    var registryPath = $"projects/{projectId}" +
        $"/locations/{cloudRegion}" +
        $"/registries/{registryName}";
    BindDeviceToGatewayRequest req = new BindDeviceToGatewayRequest
    {
        DeviceId = deviceId,
        GatewayId = gatewayId
    };

    var res = cloudIot
        .Projects
        .Locations
        .Registries
        .BindDeviceToGateway(req, registryPath)
        .Execute();
    Console.WriteLine("Device bound: {0}", res.ToString());

    return 0;
}

Go


// bindDeviceToGateway creates an association between an existing device and gateway.
func bindDeviceToGateway(w io.Writer, projectID string, region string, registryID string, gatewayID string, deviceID string) (*cloudiot.BindDeviceToGatewayResponse, 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/registries/%s", projectID, region, registryID)
	bindRequest := &cloudiot.BindDeviceToGatewayRequest{
		DeviceId:  deviceID,
		GatewayId: gatewayID,
	}

	response, err := client.Projects.Locations.Registries.BindDeviceToGateway(parent, bindRequest).Do()

	if err != nil {
		return nil, fmt.Errorf("BindDeviceToGateway: %v", err)
	}

	if response.HTTPStatusCode/100 != 2 {
		return nil, fmt.Errorf("BindDeviceToGateway: HTTP status code not 2xx\n %v", response)
	}

	fmt.Fprintf(w, "Bound %s to %s", deviceID, gatewayID)

	return response, nil
}

Java

createDevice(projectId, cloudRegion, registryName, deviceId);

GoogleCredentials credential =
    GoogleCredentials.getApplicationDefault().createScoped(CloudIotScopes.all());
JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
HttpRequestInitializer init = new HttpCredentialsAdapter(credential);
final CloudIot service =
    new CloudIot.Builder(GoogleNetHttpTransport.newTrustedTransport(), jsonFactory, init)
        .setApplicationName(APP_NAME)
        .build();

final String registryPath =
    String.format(
        "projects/%s/locations/%s/registries/%s", projectId, cloudRegion, registryName);

BindDeviceToGatewayRequest request = new BindDeviceToGatewayRequest();
request.setDeviceId(deviceId);
request.setGatewayId(gatewayId);

BindDeviceToGatewayResponse response =
    service
        .projects()
        .locations()
        .registries()
        .bindDeviceToGateway(registryPath, request)
        .execute();

System.out.println(String.format("Device bound: %s", response.toPrettyString()));

Node.js

// const cloudRegion = 'us-central1';
// const deviceId = 'my-unauth-device';
// const gatewayId = 'my-gateway';
// const projectId = 'adjective-noun-123';
// const registryId = 'my-registry';
const iot = require('@google-cloud/iot');

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

async function bindDeviceToGateway() {
  // Construct request
  const regPath = iotClient.registryPath(projectId, cloudRegion, registryId);

  const bindRequest = {
    parent: regPath,
    deviceId: deviceId,
    gatewayId: gatewayId,
  };

  console.log(`Binding device: ${deviceId}`);

  await iotClient.bindDeviceToGateway(bindRequest);

  console.log(`Bound ${deviceId} to`, gatewayId);
}

bindDeviceToGateway();

PHP

use Google\Cloud\Iot\V1\DeviceManagerClient;

/**
 * Binds a device to a gateway.
 *
 * @param string $registryId IOT Device Registry ID
 * @param string $deviceId the device ID to bind
 * @param string $gatewayId the ID for the gateway to bind to
 * @param string $projectId Google Cloud project ID
 * @param string $location Google Cloud region
 */
function bind_device_to_gateway(
    $registryId,
    $gatewayId,
    $deviceId,
    $projectId,
    $location = 'us-central1'
) {
    print('Binding Device to Gateway' . PHP_EOL);

    // Instantiate a client.
    $deviceManager = new DeviceManagerClient();
    $registryName = $deviceManager->registryName($projectId, $location, $registryId);

    $result = $deviceManager->bindDeviceToGateway($registryName, $gatewayId, $deviceId);

    print('Device bound');
}

Python

# project_id = 'YOUR_PROJECT_ID'
# cloud_region = 'us-central1'
# registry_id = 'your-registry-id'
# device_id = 'your-device-id'
# gateway_id = 'your-gateway-id'
client = iot_v1.DeviceManagerClient()

create_device(
    service_account_json, project_id, cloud_region, registry_id, device_id
)

parent = client.registry_path(project_id, cloud_region, registry_id)

res = client.bind_device_to_gateway(
    request={"parent": parent, "gateway_id": gateway_id, "device_id": device_id}
)

print("Device Bound! {}".format(res))

Ruby

# project_id  = "Your Google Cloud project ID"
# location_id = "The Cloud region the registry is located in"
# registry_id = "The registry to create a device in"
# gateway_id  = "The Gateway to bind to"
# device_id   = "The identifier of the device to bind"

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
parent = "projects/#{project_id}/locations/#{location_id}/registries/#{registry_id}"

bind_req = Google::Apis::CloudiotV1::BindDeviceToGatewayRequest.new
bind_req.gateway_id = gateway_id
bind_req.device_id = device_id

res = iot_client.bind_registry_device_to_gateway parent, bind_req
puts "Device bound"

What's next

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