def run_injector():
injector = Injector(
subscriber=ZMQSubscriber(),
transformers=[
Decompressor(),
Unpickler(),
#InsertFormatter()
],
datastore=InfluxDatastore())
injector.run()
def __init__(self, subscriber=None, transformers=None, datastore=None):
if subscriber:
self.subscriber = subscriber
else:
self.subscriber = ZMQSubscriber()
if transformers:
self.transformers = transformers
else:
self.transformers = [Unpickler()]
if datastore:
self.datastore = datastore
else:
self.datastore = InfluxDatastore()
for i in range(len(self.transformers) - 1):
self.transformers[i].set_callback(self.transformers[i + 1].push)
self.transformers[-1].set_callback(self.datastore.insert)
def __init__(self, subscriber=None, transformers=None, datastore=None):
if subscriber:
self.subscriber = subscriber
else:
self.subscriber = ZMQSubscriber()
if transformers:
self.transformers = transformers
else:
self.transformers = [Unpickler()]
if datastore:
self.datastore = datastore
else:
self.datastore = InfluxDatastore()
for i in range(len(self.transformers) - 1):
self.transformers[i].set_callback(self.transformers[i + 1].push)
self.transformers[-1].set_callback(self.datastore.insert)
class Injector:
""" An Injector listens for data from a Reporter, feeds it through a row of
Transformers, and inserts the result into a Datastore.
When creating an Injector, you supply instances of a Subscriber,
one or more Transformers, and a Datastore. If not specified,
an unpickling Transformer and the default Subscriber and Datastore are
used.
**Usage**::
injector = Injector(
subscriber=MySubscriber(),
transformers=[MyDecompressor(), MyFormatter(), ...],
datastore=MyDatastore()
)
An Injector can be run as its own process::
injector.run()
Or stepped through by an external engine::
injector.open()
while not done:
injector.step()
"""
def __init__(self, subscriber=None, transformers=None, datastore=None):
if subscriber:
self.subscriber = subscriber
else:
self.subscriber = ZMQSubscriber()
if transformers:
self.transformers = transformers
else:
self.transformers = [Unpickler()]
if datastore:
self.datastore = datastore
else:
self.datastore = InfluxDatastore()
for i in range(len(self.transformers) - 1):
self.transformers[i].set_callback(self.transformers[i + 1].push)
self.transformers[-1].set_callback(self.datastore.insert)
def open(self):
""" Initialize the Subscriber.
"""
success = self.subscriber.open()
if not success:
return False
return True
def step(self):
""" Receive data and feed it into the first Transformer.
"""
msg = self.subscriber.receive()
if msg is not None:
self.transformers[0].push(msg)
def run(self):
""" Initialize components and start listening.
"""
success = self.open()
if not success:
print("Failed to initialize!")
return
while True:
self.step()
"""
"""
from zircon.subscribers.zeromq import ZMQSubscriber
from zircon.datastores.influx import InfluxDatastore
from zircon.injectors.base import Injector
from zircon.transformers.common import *
injector = Injector(subscriber=ZMQSubscriber(),
transformers=[
Decompressor(),
Unpickler(),
],
datastore=InfluxDatastore())
injector.run()
class Injector():
""" An Injector listens for data from a Reporter, feeds it through a row of
Transformers, and inserts the result into a Datastore.
When creating an Injector, you supply instances of a Subscriber,
one or more Transformers, and a Datastore. If not specified,
an unpickling Transformer and the default Subscriber and Datastore are
used.
**Usage**::
injector = Injector(
subscriber=MySubscriber(),
transformers=[MyDecompressor(), MyFormatter(), ...],
datastore=MyDatastore()
)
An Injector can be run as its own process::
injector.run()
Or stepped through by an external engine::
injector.open()
while not done:
injector.step()
"""
def __init__(self, subscriber=None, transformers=None, datastore=None):
if subscriber:
self.subscriber = subscriber
else:
self.subscriber = ZMQSubscriber()
if transformers:
self.transformers = transformers
else:
self.transformers = [Unpickler()]
if datastore:
self.datastore = datastore
else:
self.datastore = InfluxDatastore()
for i in range(len(self.transformers) - 1):
self.transformers[i].set_callback(self.transformers[i + 1].push)
self.transformers[-1].set_callback(self.datastore.insert)
def open(self):
""" Initialize the Subscriber.
"""
success = self.subscriber.open()
if not success:
return False
return True
def step(self):
""" Receive data and feed it into the first Transformer.
"""
msg = self.subscriber.receive()
if msg is not None:
self.transformers[0].push(msg)
def run(self):
""" Initialize components and start listening.
"""
success = self.open()
if not success:
print('Failed to initialize!')
return
while True:
self.step()
