def run(self, registry):
import copy
from liota.dccs.graphite import Graphite
from liota.dcc_comms.socket_comms import SocketDccComms
from liota.lib.utilities.offline_buffering import BufferingParams
# Acquire resources from registry
# Creating a copy of system object to keep original object "clean"
edge_system = copy.copy(registry.get("edge_system"))
# Get values from configuration file
config_path = registry.get("package_conf")
config = read_user_config(config_path + '/sampleProp.conf')
# Initialize DCC object with transport
offline_buffering = BufferingParams(persistent_storage=True,
queue_size=-1,
data_drain_size=10,
draining_frequency=1)
self.graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']),
buffering_params=offline_buffering)
# Register gateway system
graphite_edge_system = self.graphite.register(edge_system)
registry.register("graphite", self.graphite)
registry.register("graphite_edge_system", graphite_edge_system)
def test_graphite_dcc_init_fail_without_DCCComms(self):
with self.assertRaises(Exception):
g = Graphite("asd")
assert not isinstance(g, Graphite)
with self.assertRaises(Exception):
# noinspection PyArgumentList
g = Graphite()
assert g is None
class PackageClass(LiotaPackage):
"""
This package creates a Graphite DCC object and registers system on
Graphite to acquire "registered edge system", i.e. graphite_edge_system.
"""
def run(self, registry):
import copy
from liota.dccs.graphite import Graphite
from liota.dcc_comms.socket_comms import SocketDccComms
# Acquire resources from registry
# Creating a copy of system object to keep original object "clean"
edge_system = copy.copy(registry.get("edge_system"))
# Get values from configuration file
config_path = registry.get("package_conf")
config = {}
execfile(config_path + '/sampleProp.conf', config)
# Initialize DCC object with transport
self.graphite = Graphite(
SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']))
# Register gateway system
graphite_edge_system = self.graphite.register(edge_system)
registry.register("graphite", self.graphite)
registry.register("graphite_edge_system", graphite_edge_system)
def clean_up(self):
self.graphite.comms.sock.close()
def run(self, registry):
import copy
from liota.dccs.graphite import Graphite
from liota.dcc_comms.socket_comms import Socket
# Acquire resources from registry
# Creating a copy of system object to keep original object "clean"
edge_system = copy.copy(registry.get("edge_system"))
# Get values from configuration file
config_path = registry.get("package_conf")
config = {}
execfile(config_path + '/sampleProp.conf', config)
# Initialize DCC object with transport
self.graphite = Graphite(
Socket(ip=config['GraphiteIP'],
port=config['GraphitePort'])
)
# Register gateway system
graphite_edge_system = self.graphite.register(edge_system)
registry.register("graphite", self.graphite)
registry.register("graphite_edge_system", graphite_edge_system)
class PackageClass(LiotaPackage):
"""
This package creates a Graphite DCC object and registers system on
Graphite to acquire "registered edge system", i.e. graphite_edge_system.
"""
def run(self, registry):
import copy
from liota.dccs.graphite import Graphite
from liota.dcc_comms.socket_comms import Socket
# Acquire resources from registry
# Creating a copy of system object to keep original object "clean"
edge_system = copy.copy(registry.get("edge_system"))
# Get values from configuration file
config_path = registry.get("package_conf")
config = {}
execfile(config_path + '/sampleProp.conf', config)
# Initialize DCC object with transport
self.graphite = Graphite(
Socket(ip=config['GraphiteIP'],
port=config['GraphitePort'])
)
# Register gateway system
graphite_edge_system = self.graphite.register(edge_system)
registry.register("graphite", self.graphite)
registry.register("graphite_edge_system", graphite_edge_system)
def clean_up(self):
self.graphite.comms.sock.close()
def run(self, registry):
import copy
from liota.dccs.graphite import Graphite
from liota.dcc_comms.socket_comms import SocketDccComms
# Acquire resources from registry
# Creating a copy of system object to keep original object "clean"
edge_system = copy.copy(registry.get("edge_system"))
# Get values from configuration file
config_path = registry.get("package_conf")
config = read_user_config(config_path + '/sampleProp.conf')
# Initialize DCC object with transport
self.graphite = Graphite(
SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']))
# Register gateway system
graphite_edge_system = self.graphite.register(edge_system)
registry.register("graphite", self.graphite)
registry.register("graphite_edge_system", graphite_edge_system)
def udm1():
return comms_channel.get(block=True)
#---------------------------------------------------------------------------
# In this example, we demonstrate how an event stream of data can be directed to graphite
# data center component using Liota by setting sampling_interval_sec parameter to zero.
if __name__ == '__main__':
edge_system = Dk300EdgeSystem(config['EdgeSystemName'])
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
metric_name = config['MetricName']
content_metric = Metric(
name=metric_name,
unit=None,
interval=0,
aggregation_size=6,
sampling_function=udm1
)
reg_content_metric = graphite.register(content_metric)
graphite.create_relationship(graphite_reg_edge_system, reg_content_metric)
reg_content_metric.start_collecting()
#---------------------------------------------------------------------------
# In this example, we demonstrate how data from a simulated device generating
# random physical variables can be directed to graphite data center component
# using Liota.
if __name__ == '__main__':
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# initialize and run the physical model (simulated device)
bike_model = BikeSimulated(name=config['DeviceName'], ureg=ureg)
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(
SocketDccComms(ip=config['GraphiteIP'], port=config['GraphitePort']))
graphite_reg_dev = graphite.register(bike_model)
metric_name = "model.bike.speed"
bike_speed = Metric(name=metric_name,
unit=(ureg.m / ureg.sec),
interval=5,
sampling_function=get_bike_speed)
reg_bike_speed = graphite.register(bike_speed)
graphite.create_relationship(graphite_reg_dev, reg_bike_speed)
reg_bike_speed.start_collecting()
metric_name = "model.bike.power"
bike_power = Metric(name=metric_name,
unit=ureg.watt,
interval=5,
reg_mem_free_metric.start_collecting()
swap_mem_free_metric = Metric(name="Swap Memory Free",
unit=None,
interval=8,
aggregation_size=5,
sampling_function=read_swap_mem_free)
reg_swap_mem_free_metric = iotcc.register(swap_mem_free_metric)
iotcc.create_relationship(reg_ram_device, reg_swap_mem_free_metric)
reg_swap_mem_free_metric.start_collecting()
except RegistrationFailure:
print "Registration to IOTCC failed"
# Multiple DCC support
# Sending data to an alternate data center component (e.g. data lake for analytics)
# Graphite is a data center component
# Socket is the transport which the agent uses to connect to the graphite instance
graphite = Graphite(
SocketDccComms(ip=config['GraphiteIP'], port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
simulated_metric = Metric(name="edge.simulated.metric",
unit=None,
interval=10,
aggregation_size=5,
sampling_function=simulated_value)
reg_simulated_metric = graphite.register(simulated_metric)
graphite.create_relationship(graphite_reg_edge_system,
reg_simulated_metric)
reg_simulated_metric.start_collecting()
return random.randint(10, 25)
def get_vibration():
return round(random.uniform(0.480, 0.7), 3)
# ---------------------------------------------------------------------------------------
# In this example, we demonstrate how metrics collected from a SensorTag device over BLE
# can be directed to graphite data center component using Liota.
# The program illustrates the ease of use Liota brings to IoT application developers.
if __name__ == '__main__':
# create a data center object, graphite in this case, using websocket as a transport layer
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'], port=8080))
try:
# create a System object encapsulating the particulars of a IoT System
# argument is the name of this IoT System
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# resister the IoT System with the graphite instance
# this call creates a representation (a Resource) in graphite for this IoT System with the name given
reg_edge_system = graphite.register(edge_system)
tf_rpm_metric = Metric(name="windmill.RPM",
unit=None,
interval=1,
aggregation_size=1,
sampling_function=get_rpm)
return round((100 - cpu_pcts['idle']), 2)
# ---------------------------------------------------------------------------
# In this example, we demonstrate how a Dell5000 Gateway metric (e.g.,
# CPU utilization) can be directed to graphite data center component
# using Liota. The program illustrates the ease of use Liota brings
# to IoT application developers.
if __name__ == '__main__':
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
metric_name = config['MetricName']
cpu_utilization = Metric(
name=metric_name,
unit=None,
interval=10,
aggregation_size=2,
sampling_function=read_cpu_utilization
)
reg_cpu_utilization = graphite.register(cpu_utilization)
graphite.create_relationship(graphite_reg_edge_system, reg_cpu_utilization)
reg_cpu_utilization.start_collecting()
print value
if __name__ == '__main__':
rpm_limit = 45
vib_limit = 0.500
ModelRule = lambda rpm, vib: 1 if (rpm >= rpm_limit and vib >= vib_limit
) else 0
exceed_limit = 2 #number of consecutive times a limit can be exceeded
edge_component = RuleEdgeComponent(ModelRule,
exceed_limit,
actuator_udm=action_actuator)
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'], port=8080),
edge_component)
# create a System object encapsulating the particulars of a IoT System
# argument is the name of this IoT System
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# resister the IoT System with the graphite instance
# this call creates a representation (a Resource) in graphite for this IoT System with the name given
rule_rpm_metric = Metric(name="rpm",
unit=None,
interval=1,
aggregation_size=1,
sampling_function=get_rpm)
rule_reg_rpm_metric = graphite.register(rule_rpm_metric)
# In this example, we demonstrate how data from a simulated device generating
# random physical variables can be directed to graphite data center component
# using Liota.
if __name__ == '__main__':
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# initialize and run the physical model (simulated device)
thermistor_model = ThermistorSimulated(name=config['DeviceName'], ureg=ureg)
# Sending data to a data center component
# Graphite is a data center component
# Socket is the transport which the agent uses to connect to the graphite
# instance
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']))
graphite_reg_dev = graphite.register(thermistor_model)
metric_name = "model.thermistor.temperature"
thermistor_temper = Metric(
name=metric_name,
unit=ureg.degC,
interval=5,
sampling_function=get_thermistor_temperature
)
reg_thermistor_temper = graphite.register(thermistor_temper)
graphite.create_relationship(graphite_reg_dev, reg_thermistor_temper)
reg_thermistor_temper.start_collecting()
def udm1():
return comms_channel.get(block=True)
#---------------------------------------------------------------------------
# In this example, we demonstrate how an event stream of data can be directed to graphite
# data center component using Liota by setting sampling_interval_sec parameter to zero.
if __name__ == '__main__':
edge_system = Dk300EdgeSystem(config['EdgeSystemName'])
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(
Socket(ip=config['GraphiteIP'], port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
metric_name = config['MetricName']
content_metric = Metric(name=metric_name,
unit=None,
interval=0,
aggregation_size=6,
sampling_function=udm1)
reg_content_metric = graphite.register(content_metric)
graphite.create_relationship(graphite_reg_edge_system, reg_content_metric)
reg_content_metric.start_collecting()
def test_graphite_dcc_init_takes_DCCComms(self):
mock_dccc = mock.create_autospec(DCCComms)
g = Graphite(mock_dccc)
assert isinstance(g, Graphite)
# random numbers can be directed to graphite data center component using Liota.
# The program illustrates the ease of use Liota brings to IoT application
# developers.
def xmpp_subscribe():
xmpp_conn = XmppDeviceComms("[email protected]", "m1ndst1x", "127.0.0.1",
"5222")
xmpp_conn.subscribe("pubsub.127.0.0.1", "/vmware11",
callback_openfire_data)
if __name__ == '__main__':
xmpp_subscribe()
edge_system = SimulatedEdgeSystem('EdgeSystemName')
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(SocketDccComms(ip='127.0.0.1', port=80))
graphite_reg_edge_system = graphite.register(edge_system)
metric_name = 'OpenfireData'
openfire_metric = Metric(
name=metric_name,
interval=0,
sampling_function=lambda: get_value(openfire_data))
reg_openfire_metric = graphite.register(openfire_metric)
graphite.create_relationship(graphite_reg_edge_system, reg_openfire_metric)
reg_openfire_metric.start_collecting()
return round((100 - cpu_pcts['idle']), 2)
# ---------------------------------------------------------------------------
# In this example, we demonstrate how a Dell5000 Gateway metric (e.g.,
# CPU utilization) can be directed to graphite data center component
# using Liota. The program illustrates the ease of use Liota brings
# to IoT application developers.
if __name__ == '__main__':
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
metric_name = config['MetricName']
cpu_utilization = Metric(
name=metric_name,
unit=None,
interval=10,
aggregation_size=2,
sampling_function=read_cpu_utilization
)
reg_cpu_utilization = graphite.register(cpu_utilization)
graphite.create_relationship(graphite_reg_edge_system, reg_cpu_utilization)
reg_cpu_utilization.start_collecting()
# ---------------------------------------------------------------------------
# In this example, we demonstrate how a Raspberry Pi Gateway metric (e.g.,
# CPU utilization) can be directed to graphite data center component
# using Liota. The program illustrates the ease of use Liota brings
# to IoT application developers.
if __name__ == '__main__':
edge_system = RaspberrypiEdgeSystem(config['EdgeSystemName'])
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(
SocketDccComms(ip=config['GraphiteIP'], port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
metric_name_t = config['MetricName_temperature']
temperature = Metric(name=metric_name_t,
interval=3,
sampling_function=get_temperature)
reg_temperature = graphite.register(temperature)
graphite.create_relationship(graphite_reg_edge_system, reg_temperature)
reg_temperature.start_collecting()
metric_name_p = config['MetricName_pressure']
pressure = Metric(name=metric_name_p,
interval=3,
sampling_function=get_pressure)
rule_rpm_metric = Metric(name="rpm",
unit=None,
interval=1,
aggregation_size=1,
sampling_function=get_rpm)
rpm_limit = 45
vib_limit = 0.500
ModelRule = lambda rpm, vib: 1 if (rpm >= rpm_limit and vib >=
vib_limit) else 0
exceed_limit = 1 #number of consecutive times a limit can be exceeded
edge_component = RuleEdgeComponent(ModelRule,
exceed_limit,
actuator_udm=action_actuator)
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'], port=8080),
edge_component)
reg_edge_system = graphite.register(edge_system)
rule_reg_rpm_metric = graphite.register(rule_rpm_metric)
rule_reg_rpm_metric.start_collecting()
rule_vib_metric = Metric(name="vib",
unit=None,
interval=2,
aggregation_size=1,
sampling_function=get_vibration)
rule_reg_vib_metric = graphite.register(rule_vib_metric)
rule_reg_vib_metric.start_collecting()
except RegistrationFailure:
def random_function():
return 3
def on_message(client, data, msg):
d = eval(msg.payload)
print(d)
# getting values from conf file
config = {}
execfile('sampleProp.conf', config)
if __name__ == '__main__':
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
graphite = Graphite(
SocketDccComms(ip=config['GraphiteIP'], port=config['GraphitePort']))
graphite_reg_dev = graphite.register(edge_system)
mqtt = MqttDeviceComms(url="test.mosquitto.org",
port=1883,
clean_session=True,
conn_disconn_timeout=1000)
print('Connection to broker established...')
mqtt.subscribe("random_data", callback=on_message, qos=2)
print('Subscribed to random_data')
metric_name = "model.device_data"
random_metric = Metric(name=metric_name,
interval=5,
sampling_function=random_function)
reg_metric = graphite.register(random_metric)
graphite.create_relationship(graphite_reg_dev, reg_metric)
reg_metric.start_collecting()
return rpm_model_queue.get(block=True)
def action_actuator(value):
print value
# ---------------------------------------------------------------------------------------
# In this example, we demonstrate how metrics collected from a SensorTag device over BLE
# can be directed to graphite data center component using Liota.
# The program illustrates the ease of use Liota brings to IoT application developers.
if __name__ == '__main__':
# create a data center object, graphite in this case, using websocket as a transport layer
graphite = Graphite(
SocketDccComms(ip=config['GraphiteIP'], port=config['GraphitePort']))
try:
# create a System object encapsulating the particulars of a IoT System
# argument is the name of this IoT System
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# resister the IoT System with the graphite instance
# this call creates a representation (a Resource) in graphite for this IoT System with the name given
reg_edge_system = graphite.register(edge_system)
# Operational metrics of EdgeSystem
cpu_utilization_metric = Metric(name="windmill.CPU_Utilization",
unit=None,
interval=10,
aggregation_size=2,
return list_of_timestamp_value_tuples
# ---------------------------------------------------------------------------
# In this example, we demonstrate how data for a simulated metric generating
# random numbers can be directed to graphite data center component using Liota.
# The program illustrates the ease of use Liota brings to IoT application
# developers.
if __name__ == '__main__':
edge_system = SimulatedEdgeSystem(config['EdgeSystemName'])
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(Socket(ip=config['GraphiteIP'],
port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
# A simple simulated metric which generates metric value every 10 seconds
simple_metric_name = config['MetricName']
simple_metric = Metric(name=simple_metric_name, interval=10,
sampling_function=simulated_value_sampling_function)
reg_simple_metric = graphite.register(simple_metric)
graphite.create_relationship(graphite_reg_edge_system, reg_simple_metric)
reg_simple_metric.start_collecting()
# A simulated metric producing sample value along with timestamp when the sample was generated
metric_with_own_ts_name = config['MetricWithOwnTsName']
metric_with_own_ts = Metric(name=metric_with_own_ts_name, interval=10,
sampling_function=simulated_timestamp_value_sampling_function)
reg_metric_with_own_ts = graphite.register(metric_with_own_ts)
name="Swap Memory Free",
unit=None,
interval=8,
aggregation_size=5,
sampling_function=read_swap_mem_free
)
reg_swap_mem_free_metric = iotcc.register(swap_mem_free_metric)
iotcc.create_relationship(reg_ram_device, reg_swap_mem_free_metric)
reg_swap_mem_free_metric.start_collecting()
except RegistrationFailure:
print "Registration to IOTCC failed"
# Multiple DCC support
# Sending data to an alternate data center component (e.g. data lake for analytics)
# Graphite is a data center component
# Socket is the transport which the agent uses to connect to the graphite instance
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
simulated_metric = Metric(
name="edge.simulated.metric",
unit=None,
interval=10,
aggregation_size=5,
sampling_function=simulated_value
)
reg_simulated_metric = graphite.register(simulated_metric)
graphite.create_relationship(graphite_reg_edge_system, reg_simulated_metric)
reg_simulated_metric.start_collecting()
#---------------------------------------------------------------------------
# In this example, we demonstrate how data from a simulated device generating
# random physical variables can be directed to graphite data center component
# using Liota.
if __name__ == '__main__':
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# initialize and run the physical model (simulated device)
bike_model = BikeSimulated(name=config['DeviceName'], ureg=ureg)
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(Socket(ip=config['GraphiteIP'],
port=config['GraphitePort']))
graphite_reg_dev = graphite.register(bike_model)
metric_name = "model.bike.speed"
bike_speed = Metric(
name=metric_name,
unit=(ureg.m / ureg.sec),
interval=5,
sampling_function=get_bike_speed
)
reg_bike_speed = graphite.register(bike_speed)
graphite.create_relationship(graphite_reg_dev, reg_bike_speed)
reg_bike_speed.start_collecting()
metric_name = "model.bike.power"
bike_power = Metric(
return temp_kelvin.magnitude
# --------------------------------------------------------------------------
# In this example, we demonstrate how data from a simulated device generating
# random numbers can be directed to graphite data center component using Liota.
# The program illustrates the ease of use Liota brings to IoT application developers.
if __name__ == '__main__':
edge_system = Dk300EdgeSystem(config['EdgeSystemName'])
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(
Socket(ip=config['GraphiteIP'], port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
metric_name_temp_degC = config['MetricNameTempDegC']
temp_metric_degC = Metric(name=metric_name_temp_degC,
unit=ureg.degC,
interval=33,
aggregation_size=6,
sampling_function=getTempDegC)
reg_temp_metric_degC = graphite.register(temp_metric_degC)
graphite.create_relationship(graphite_reg_edge_system,
reg_temp_metric_degC)
reg_temp_metric_degC.start_collecting()
metric_name_temp_degF = config['MetricNameTempDegF']
temp_metric_degF = Metric(name=metric_name_temp_degF,
# In this example, we demonstrate how data from a simulated device generating
# random physical variables can be directed to graphite data center component
# using Liota.
if __name__ == '__main__':
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# initialize and run the physical model (simulated device)
thermistor_model = ThermistorSimulated(name=config['DeviceName'], ureg=ureg)
# Sending data to a data center component
# Graphite is a data center component
# Socket is the transport which the agent uses to connect to the graphite
# instance
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']))
graphite_reg_dev = graphite.register(thermistor_model)
metric_name = "model.thermistor.temperature"
thermistor_temper = Metric(
name=metric_name,
unit=ureg.degC,
interval=5,
sampling_function=get_thermistor_temperature
)
reg_thermistor_temper = graphite.register(thermistor_temper)
graphite.create_relationship(graphite_reg_dev, reg_thermistor_temper)
reg_thermistor_temper.start_collecting()
temp_kelvin = temp.to('kelvin')
return temp_kelvin.magnitude
# --------------------------------------------------------------------------
# In this example, we demonstrate how data from a simulated device generating
# random numbers can be directed to graphite data center component using Liota.
# The program illustrates the ease of use Liota brings to IoT application developers.
if __name__ == '__main__':
edge_system = Dk300EdgeSystem(config['EdgeSystemName'])
# Sending data to Graphite data center component
# Socket is the underlying transport used to connect to the Graphite
# instance
graphite = Graphite(SocketDccComms(ip=config['GraphiteIP'],
port=config['GraphitePort']))
graphite_reg_edge_system = graphite.register(edge_system)
metric_name_temp_degC = config['MetricNameTempDegC']
temp_metric_degC = Metric(
name=metric_name_temp_degC,
unit=ureg.degC,
interval=33,
aggregation_size=6,
sampling_function=getTempDegC
)
reg_temp_metric_degC = graphite.register(temp_metric_degC)
graphite.create_relationship(graphite_reg_edge_system, reg_temp_metric_degC)
reg_temp_metric_degC.start_collecting()
metric_name_temp_degF = config['MetricNameTempDegF']
return rpm_model_queue.get(block=True)
def action_actuator(value):
print value
# ---------------------------------------------------------------------------------------
# In this example, we demonstrate how metrics collected from a SensorTag device over BLE
# can be directed to graphite data center component using Liota.
# The program illustrates the ease of use Liota brings to IoT application developers.
if __name__ == '__main__':
# create a data center object, graphite in this case, using websocket as a transport layer
graphite = Graphite(
SocketDccComms(ip=config['GraphiteIP'], port=config['GraphitePort']))
try:
# create a System object encapsulating the particulars of a IoT System
# argument is the name of this IoT System
edge_system = Dell5KEdgeSystem(config['EdgeSystemName'])
# resister the IoT System with the graphite instance
# this call creates a representation (a Resource) in graphite for this IoT System with the name given
reg_edge_system = graphite.register(edge_system)
# Operational metrics of EdgeSystem
cpu_utilization_metric = Metric(name="windmill.CPU_Utilization",
unit=None,
interval=10,
aggregation_size=2,
