def read_rules(self):
if not exists(self.rules_file):
self.clear()
return
# Only read if the rules file has been modified
try:
mtime = getmtime(self.rules_file)
except OSError:
log.err("Failed to get mtime of %s" % self.rules_file)
return
if mtime <= self.rules_last_read:
return
# Read new rules
log.aggregator("reading new aggregation rules from %s" %
self.rules_file)
new_rules = []
for line in open(self.rules_file):
line = line.strip()
if line.startswith('#') or not line:
continue
rule = self.parse_definition(line)
new_rules.append(rule)
log.aggregator("clearing aggregation buffers")
BufferManager.clear()
self.rules = new_rules
self.rules_last_read = mtime
def read_rules(self):
if not exists(self.rules_file):
self.clear()
return
# Only read if the rules file has been modified
try:
mtime = getmtime(self.rules_file)
except OSError:
log.err("Failed to get mtime of %s" % self.rules_file)
return
if mtime <= self.rules_last_read:
return
# Read new rules
log.aggregator("reading new aggregation rules from %s" % self.rules_file)
new_rules = []
for line in open(self.rules_file):
line = line.strip()
if line.startswith('#') or not line:
continue
rule = self.parse_definition(line)
new_rules.append(rule)
log.aggregator("clearing aggregation buffers")
BufferManager.clear()
self.rules = new_rules
self.rules_last_read = mtime
def send(self, metric, datapoint):
if len(self.queue) >= settings.MAX_QUEUE_SIZE:
log.aggregator('send queue full for %s, dropping data' % self.remoteAddr)
elif self.connectedProtocol:
self.connectedProtocol.send(metric, datapoint)
else:
self.queue.append( (metric, datapoint) )
def send(self, metric, datapoint):
if len(self.queue) >= settings.MAX_QUEUE_SIZE:
log.aggregator('send queue full for %s, dropping data' %
self.remoteAddr)
elif self.connectedProtocol:
self.connectedProtocol.send(metric, datapoint)
else:
self.queue.append((metric, datapoint))
def clientConnectionFailed(self, connector, reason):
ReconnectingClientFactory.clientConnectionFailed(self, connector, reason)
log.aggregator("connection attempt to %s failed: %s" % (self.remoteAddr, reason.value))
def clientConnectionLost(self, connector, reason):
ReconnectingClientFactory.clientConnectionLost(self, connector, reason)
self.connectedProtocol = None
log.aggregator("connection to %s lost: %s" % (self.remoteAddr, reason.value))
def buildProtocol(self, addr):
log.aggregator('connection to %s established' % self.remoteAddr)
self.connectedProtocol = MetricPickleSender()
self.connectedProtocol.factory = self
self.connectedProtocol.queue = self.queue
return self.connectedProtocol
def startedConnecting(self, connector):
log.aggregator('connecting to %s' % self.remoteAddr)
def get_buffer(self, metric_path):
if metric_path not in self.buffers:
log.aggregator("Allocating new buffer for %s" % metric_path)
self.buffers[metric_path] = AggregationBuffer(metric_path)
return self.buffers[metric_path]
def get_buffer(self, metric_path):
if metric_path not in self.buffers:
log.aggregator("Allocating new metric buffer for %s" % metric_path)
self.buffers[metric_path] = MetricBuffer(metric_path)
return self.buffers[metric_path]
def clientConnectionFailed(self, connector, reason):
ReconnectingClientFactory.clientConnectionFailed(
self, connector, reason)
log.aggregator("connection attempt to %s failed: %s" %
(self.remoteAddr, reason.value))
def clientConnectionLost(self, connector, reason):
ReconnectingClientFactory.clientConnectionLost(self, connector, reason)
self.connectedProtocol = None
log.aggregator("connection to %s lost: %s" %
(self.remoteAddr, reason.value))
def buildProtocol(self, addr):
log.aggregator('connection to %s established' % self.remoteAddr)
self.connectedProtocol = MetricPickleSender()
self.connectedProtocol.factory = self
self.connectedProtocol.queue = self.queue
return self.connectedProtocol
def startedConnecting(self, connector):
log.aggregator('connecting to %s' % self.remoteAddr)
