async def _run(self):
logger.info("{!r}: started", self)
try:
while True:
if self._last_timestamp is None or self._throttle:
# We either never got bumped or we just missed a deadline
# and ran the timeout callback. Wait for the entire
# timeout duration in either case, so that we don't spam
# the timeout callback.
timeout = self._timeout + self._grace_period
await self._run_timeout_callback_after(timeout)
else:
# Calculate a deadline by which we expect the next bump,
# based on the last time at which we got bumped.
# We assume our local clock and the clock source for the
# last timestamp to be synchronized within the grace period.
# If the deadline is in the past, immediately run the
# timeout callback.
now = Timestamp.now()
deadline = self._last_timestamp + self._timeout + self._grace_period
if deadline <= now:
logger.debug("{!r}: deadline in the past!", self)
self._run_timeout_callback()
self._throttle = True
else:
wait_duration = deadline - now
await self._run_timeout_callback_after(wait_duration)
except CancelledError:
logger.info("{!r}: stopped", self)
raise
except Exception as e: # pylint: disable=broad-except
logger.exception(
"{!r}: unexpected error inside TimeoutCheck callback: {}",
self, e)
async def test_timeout_check_bump_once(timeout_check: TimeoutCheck):
now = Timestamp.now()
timeout_check.bump(now)
await step()
callback = cast(Callback, timeout_check._timeout_callback)
assert not callback.called
assert timeout_check._last_timestamp == now
def run_source(ssource):
ssource.declare_metrics(
{"dummy.time": {
"unit": "s",
"location": "localhost"
}})
try:
while True:
ssource.send("dummy.time", Timestamp.now(), time.time())
time.sleep(0.1)
except KeyboardInterrupt:
logger.info("stopping SynchronousSource")
ssource.stop()
def run(self):
assert self.import_begin is None
if not click.confirm(f'Please make sure the MetricQ db with the token '
f'{self.token}" is not running! Continue?'):
return
self.update_config()
self.create_bindings()
self.import_begin = Timestamp.now()
self.run_import()
if self.failed_imports:
print('The following metrics have failed to import:')
for metric in self.failed_imports:
print(f' - {metric.metricq_name}')
def real_run(self):
assert self._import_begin is None
self._confirm(f"Please make sure the MetricQ db with the token "
f'"{self._metricq_token}" is not running! Continue?')
self._update_config()
if not self._resume:
self._create_bindings()
self._import_begin = Timestamp.now()
self._run_import()
if self._failed_imports:
print("The following metrics have failed to import:")
for metric in self._failed_imports:
print(f" - {metric.metricq_name}")
def synchronous_source(server, token):
ssource = SynchronousSource(token=token, management_url=server)
ssource.declare_metrics({
"test.example.random": {
"unit": "s",
"description":
"a test metric that just contains random numbers in the range [0.0, 1.0)",
"rate": 10.0,
"location": "localhost",
}
})
try:
while True:
ssource.send("test.example.random", Timestamp.now(),
random.random())
time.sleep(0.1)
except KeyboardInterrupt:
logger.info("stopping SynchronousSource")
ssource.stop()