def initialize(self):
# MQTT client
self.client = Client(self.host,
client_cert_filename=self.client_cert,
private_key_filename=self.private_key,
log_mqtt=self.debug)
self.client.connect()
self.log.info('connected to AWS IoT')
def test_publish(MockMqttClient):
client = Client('host')
def on_connect(*args, **kwargs):
client._connected = True
MockMqttClient.return_value.connect.side_effect = on_connect
client.connect()
client.publish('msg', 'topic')
MockMqttClient.return_value.publish.assert_called_once_with('msg', 'topic')
def test_connect(MockMqttClient):
client = Client('host')
# TODO: test threading properly, or expose Client.on_connect
def on_connect(*args, **kwargs):
client._connected = True
MockMqttClient.return_value.connect.side_effect = on_connect
client.connect()
MockMqttClient.return_value.connect.assert_called_once_with(
'host', port=8883)
MockMqttClient.return_value.loop_start.assert_called_once_with()
def test_stop(MockMqttClient):
client = Client('host')
def on_connect(*args, **kwargs):
client._connected = True
MockMqttClient.return_value.connect.side_effect = on_connect
client.connect()
MockMqttClient.return_value.connect.assert_called_once_with(
'host', port=8883)
MockMqttClient.return_value.loop_start.assert_called_once_with()
client.disconnect()
MockMqttClient.return_value.loop_stop.assert_called_once_with()
class AWSIoTNotifier(Notifier):
def __init__(self,
host=None,
client_cert=None,
private_key=None,
aws_iot_message_unit_cost=5e-6,
estimated_change_freq=0.0,
debug=False):
"""
Create an AWS IoT MQTT notifier
Args:
host (str): host name of AWS IoT endpoint
client_cert (str): name of client certificate file
private_key (str): name of private key for client certificate
aws_iot_message_unit_cost (float): cost of an AWS IoT message
used to estimate monthly cost of operating this thingpin
estimated_change_freq (float): estimate of how often each
pin will change. Only used for guessing AWS costs at startup.
debug (bool): if True log all MQTT traffic.
"""
self.log = logging.getLogger('thingpin')
self.host = host
self.client_cert = os.path.expanduser(client_cert)
self.private_key = os.path.expanduser(private_key)
self.debug = debug
self.client = None
self.log.info('AWS monthly cost guesstimate ${:,.8f}'.format(
estimated_change_freq * 60 * 60 * 24 * 30 *
aws_iot_message_unit_cost))
self.log.info('(don' 't take the guesstimate too seriously!)')
def initialize(self):
# MQTT client
self.client = Client(self.host,
client_cert_filename=self.client_cert,
private_key_filename=self.private_key,
log_mqtt=self.debug)
self.client.connect()
self.log.info('connected to AWS IoT')
def cleanup(self):
self.client.disconnect()
def notify(self, name, value):
self.log.info('AWS IoT: publish({}={})'.format(name, value))
Thing(name, self.client).publish_state(value)
class AWSIoTNotifier(Notifier):
def __init__(self, host=None, client_cert=None, private_key=None,
aws_iot_message_unit_cost=5e-6, estimated_change_freq=0.0,
debug=False):
"""
Create an AWS IoT MQTT notifier
Args:
host (str): host name of AWS IoT endpoint
client_cert (str): name of client certificate file
private_key (str): name of private key for client certificate
aws_iot_message_unit_cost (float): cost of an AWS IoT message
used to estimate monthly cost of operating this thingpin
estimated_change_freq (float): estimate of how often each
pin will change. Only used for guessing AWS costs at startup.
debug (bool): if True log all MQTT traffic.
"""
self.log = logging.getLogger('thingpin')
self.host = host
self.client_cert = os.path.expanduser(client_cert)
self.private_key = os.path.expanduser(private_key)
self.debug = debug
self.client = None
self.log.info('AWS monthly cost guesstimate ${:,.8f}'.format(
estimated_change_freq *
60 * 60 * 24 * 30 *
aws_iot_message_unit_cost
))
self.log.info('(don''t take the guesstimate too seriously!)')
def initialize(self):
# MQTT client
self.client = Client(self.host,
client_cert_filename=self.client_cert,
private_key_filename=self.private_key,
log_mqtt=self.debug)
self.client.connect()
self.log.info('connected to AWS IoT')
def cleanup(self):
self.client.disconnect()
def notify(self, name, value):
self.log.info('AWS IoT: publish({}={})'.format(name, value))
Thing(name, self.client).publish_state(value)
def initialize(self):
# MQTT client
self.client = Client(self.host,
client_cert_filename=self.client_cert,
private_key_filename=self.private_key,
log_mqtt=self.debug)
self.client.connect()
self.log.info('connected to AWS IoT')
def initialize(self):
# MQTT client
self.client = Client(self.host,
client_cert_filename=self.client_cert,
private_key_filename=self.private_key,
log_mqtt=self.debug)
def initialize(self):
# MQTT client
self.client = Client(self.host,
client_cert_filename=self.client_cert,
private_key_filename=self.private_key,
log_mqtt=self.debug)
