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)
# --------------------------------------------------------------------------
# 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,