fix: add fieldMask for getDevice and listDevices (#64)

* Add fieldMask for getDevice and listDevices

Author: gcseh

samples/api-client/manager/manager.py

@@ -279,7 +279,31 @@ def get_device(service_account_json, project_id, cloud_region, registry_id, devi
  client = iot_v1.DeviceManagerClient()
  device_path = client.device_path(project_id, cloud_region, registry_id, device_id)
 
- device = client.get_device(request={"name": device_path})
+ # See full list of device fields: https://cloud.google.com/iot/docs/reference/cloudiot/rest/v1/projects.locations.registries.devices
+ # Warning! Use snake_case field names.
+ field_mask = gp_field_mask.FieldMask(
+ paths=[
+ "id",
+ "name",
+ "num_id",
+ "credentials",
+ "last_heartbeat_time",
+ "last_event_time",
+ "last_state_time",
+ "last_config_ack_time",
+ "last_config_send_time",
+ "blocked",
+ "last_error_time",
+ "last_error_status",
+ "config",
+ "state",
+ "log_level",
+ "metadata",
+ "gateway_config",
+ ]
+ )
+
+ device = client.get_device(request={"name": device_path, "field_mask": field_mask})
 
  print("Id : {}".format(device.id))
  print("Name : {}".format(device.name))
@@ -345,9 +369,35 @@ def list_devices(service_account_json, project_id, cloud_region, registry_id):
  client = iot_v1.DeviceManagerClient()
  registry_path = client.registry_path(project_id, cloud_region, registry_id)
 
- devices = list(client.list_devices(request={"parent": registry_path}))
+ # See full list of device fields: https://cloud.google.com/iot/docs/reference/cloudiot/rest/v1/projects.locations.registries.devices
+ # Warning! Use snake_case field names.
+ field_mask = gp_field_mask.FieldMask(
+ paths=[
+ "id",
+ "name",
+ "num_id",
+ "credentials",
+ "last_heartbeat_time",
+ "last_event_time",
+ "last_state_time",
+ "last_config_ack_time",
+ "last_config_send_time",
+ "blocked",
+ "last_error_time",
+ "last_error_status",
+ "config",
+ "state",
+ "log_level",
+ "metadata",
+ "gateway_config",
+ ]
+ )
+
+ devices = list(
+ client.list_devices(request={"parent": registry_path, "field_mask": field_mask})
+ )
  for device in devices:
- print("Device: {} : {}".format(device.num_id, device.id))
+ print(device)
 
  return devices
  # [END iot_list_devices]
@@ -373,7 +423,7 @@ def list_registries(service_account_json, project_id, cloud_region):
 def create_registry(
  service_account_json, project_id, cloud_region, pubsub_topic, registry_id
 ):
- """ Creates a registry and returns the result. Returns an empty result if
+ """Creates a registry and returns the result. Returns an empty result if
  the registry already exists."""
  # [START iot_create_registry]
  # project_id = 'YOUR_PROJECT_ID'