def __init__(self, meters, config):
self._meters = meters
self._samples = SampleContainer()
self._sender = Sender()
self._config = config
def __init__(self, meters, config):
self._meters = meters
self._samples = SampleContainer()
self._sender = Sender()
self._config = config
class Writer(object):
"""Data collector"""
def __init__(self, meters, config):
self._meters = meters
self._samples = SampleContainer()
self._sender = Sender()
self._config = config
def write(self, vl, data):
"""Collect data from collectd
example of vl: collectd.Values(type='vmpage_action',
type_instance='interleave_hit',plugin='numa',plugin_instance='node0',
host='localhost',time=1443092594.625033,interval=10.0,values=[21383])
"""
# take the plugin (specialized or default) for parsing the data
plugin = self._meters.get(vl.plugin)
# prepare all data related to the sample
resource_id = plugin.resource_id(vl)
metername = plugin.meter_name(vl)
unit = plugin.unit(vl)
timestamp = time.asctime(time.gmtime(vl.time))
sample_type = plugin.sample_type(vl)
LOGGER.debug(
'Writing: plugin="%s", metername="%s", unit="%s", type="%s"', vl.plugin, metername, unit, sample_type
)
# store sample for every value
data = [
Sample(
value=value,
timestamp=timestamp,
meta=vl.meta,
resource_id=resource_id,
unit=unit,
metername=metername,
sample_type=sample_type,
)
for value in vl.values
]
# add data to cache and get the samples to send
to_send = self._samples.add(metername, data, self._config.BATCH_SIZE)
if to_send:
self._send_data(metername, to_send)
def flush(self):
"""Flush all pending samples"""
# get all stored samples
to_send = self._samples.reset()
# send all cached samples
for key, samples in six.iteritems(to_send):
if samples:
self._send_data(key, samples)
def _send_data(self, metername, to_send):
"""Send data to ceilometer"""
LOGGER.debug("Sending %d samples of %s", len(to_send), metername)
# ceilometer samples
payload = json.dumps([sample.to_payload() for sample in to_send])
self._sender.send(metername, payload)
class Writer(object):
"""Data collector"""
def __init__(self, meters, config):
self._meters = meters
self._samples = SampleContainer()
self._sender = Sender()
self._config = config
def write(self, vl, data):
"""Collect data from collectd
example of vl: collectd.Values(type='vmpage_action',
type_instance='interleave_hit',plugin='numa',plugin_instance='node0',
host='localhost',time=1443092594.625033,interval=10.0,values=[21383])
"""
# take the plugin (specialized or default) for parsing the data
plugin = self._meters.get(vl.plugin)
# prepare all data related to the sample
resource_id = plugin.resource_id(vl)
metername = plugin.meter_name(vl)
unit = plugin.unit(vl)
timestamp = time.asctime(time.gmtime(vl.time))
sample_type = plugin.sample_type(vl)
LOGGER.debug(
'Writing: plugin="%s", metername="%s", unit="%s", type="%s"',
vl.plugin, metername, unit, sample_type)
# store sample for every value
data = [
Sample(value=value,
timestamp=timestamp,
meta=vl.meta,
resource_id=resource_id,
unit=unit,
metername=metername,
sample_type=sample_type) for value in vl.values
]
# add data to cache and get the samples to send
to_send = self._samples.add(metername, data, self._config.BATCH_SIZE)
if to_send:
self._send_data(metername, to_send)
def flush(self):
"""Flush all pending samples"""
# get all stored samples
to_send = self._samples.reset()
# send all cached samples
for key, samples in six.iteritems(to_send):
if samples:
self._send_data(key, samples)
def _send_data(self, metername, to_send):
"""Send data to ceilometer"""
LOGGER.debug('Sending %d samples of %s', len(to_send), metername)
# ceilometer samples
payload = json.dumps([sample.to_payload() for sample in to_send])
self._sender.send(metername, payload)