def test_parse_gauge_metric_from_request(self):
self.assertEqual(
Gauge("cpu_usage", 45.3),
parse_metric_from_request("cpu_usage:45.3|g")
)
self.assertEqual(
Gauge("mem usage?", 10240, 1),
parse_metric_from_request("mem usage?:10240|g|@1")
)
self.assertEqual(
Gauge("weird.gauge.with.rate", 23.3, 0.5),
parse_metric_from_request("weird.gauge.with.rate:23.3|g|@0.5")
)
def test_parse_set_metric_from_request(self):
self.assertEqual(
Set("host", '127.0.0.1'),
parse_metric_from_request("host:127.0.0.1|s")
)
self.assertEqual(
Set("user id?", '12345', 1),
parse_metric_from_request("user id?:12345|s|@1")
)
self.assertEqual(
Set("weird.set.with.rate", '25.7', 0.5),
parse_metric_from_request("weird.set.with.rate:25.7|s|@0.5")
)
def test_parse_set_metric_from_request(self):
self.assertEqual(
Set("host", '127.0.0.1'),
parse_metric_from_request("host:127.0.0.1|s")
)
self.assertEqual(
Set("user id?", '12345', 1),
parse_metric_from_request("user id?:12345|s|@1")
)
self.assertEqual(
Set("weird.set.with.rate", '25.7', 0.5),
parse_metric_from_request("weird.set.with.rate:25.7|s|@0.5")
)
def test_parse_gauge_metric_from_request(self):
self.assertEqual(
Gauge("cpu_usage", 45.3),
parse_metric_from_request("cpu_usage:45.3|g")
)
self.assertEqual(
Gauge("mem usage?", 10240, 1),
parse_metric_from_request("mem usage?:10240|g|@1")
)
self.assertEqual(
Gauge("weird.gauge.with.rate", 23.3, 0.5),
parse_metric_from_request("weird.gauge.with.rate:23.3|g|@0.5")
)
def test_parse_gauge_delta_metric_from_request(self):
self.assertEqual(
GaugeDelta("cpu_usage", 6),
parse_metric_from_request("cpu_usage:+6|g")
)
self.assertEqual(
GaugeDelta("mem usage?", -2048, 1),
parse_metric_from_request("mem usage?:-2048|g|@1")
)
self.assertEqual(
GaugeDelta("weird.gauge.delta.with.rate", 23.3, 0.5),
parse_metric_from_request(
"weird.gauge.delta.with.rate:+23.3|g|@0.5")
)
def test_parse_gauge_delta_metric_from_request(self):
self.assertEqual(
GaugeDelta("cpu_usage", 6),
parse_metric_from_request("cpu_usage:+6|g")
)
self.assertEqual(
GaugeDelta("mem usage?", -2048, 1),
parse_metric_from_request("mem usage?:-2048|g|@1")
)
self.assertEqual(
GaugeDelta("weird.gauge.delta.with.rate", 23.3, 0.5),
parse_metric_from_request(
"weird.gauge.delta.with.rate:+23.3|g|@0.5")
)
def test_parse_timer_metric_from_request(self):
self.assertEqual(
Timer("exact", 1),
parse_metric_from_request("exact:1|ms")
)
self.assertEqual(
Timer("db query?", 2.4),
parse_metric_from_request("db query?:2.4|ms")
)
self.assertEqual(
Timer("db.query.with.rate", 10, 1),
parse_metric_from_request("db.query.with.rate:10|ms|@1")
)
self.assertEqual(
Timer("db_query_float_rate", 23.5, 0.5),
parse_metric_from_request("db_query_float_rate:23.5|ms|@0.5")
)
def test_parse_counter_metric_from_request(self):
self.assertEqual(
Counter("sales", 10),
parse_metric_from_request("sales:10|c")
)
self.assertEqual(
Counter("with rate?", 0, 1),
parse_metric_from_request("with rate?:0|c|@1")
)
self.assertEqual(
Counter("accounts.active.disable", 4567, 1.0),
parse_metric_from_request("accounts.active.disable:4567|c|@1.0")
)
self.assertEqual(
Counter("float_rate", 345, 0.2),
parse_metric_from_request("float_rate:345|c|@0.2")
)
def test_parse_counter_metric_from_request(self):
self.assertEqual(
Counter("sales", 10),
parse_metric_from_request("sales:10|c")
)
self.assertEqual(
Counter("with rate?", 0, 1),
parse_metric_from_request("with rate?:0|c|@1")
)
self.assertEqual(
Counter("accounts.active.disable", 4567, 1.0),
parse_metric_from_request("accounts.active.disable:4567|c|@1.0")
)
self.assertEqual(
Counter("float_rate", 345, 0.2),
parse_metric_from_request("float_rate:345|c|@0.2")
)
def test_parse_timer_metric_from_request(self):
self.assertEqual(
Timer("exact", 1),
parse_metric_from_request("exact:1|ms")
)
self.assertEqual(
Timer("db query?", 2.4),
parse_metric_from_request("db query?:2.4|ms")
)
self.assertEqual(
Timer("db.query.with.rate", 10, 1),
parse_metric_from_request("db.query.with.rate:10|ms|@1")
)
self.assertEqual(
Timer("db_query_float_rate", 23.5, 0.5),
parse_metric_from_request("db_query_float_rate:23.5|ms|@0.5")
)
def _process_request(self, request):
request = str(request)
self._log_debug("processing metrics: {}".format(request))
lines = [line.strip() for line in request.split("\n") if line.strip()]
should_stop = self._should_stop_processing.is_set
for line in lines:
if should_stop():
break
try:
metric = parse_metric_from_request(line)
except ValueError as parse_error:
self._log_error(
"failed to parse statsd metrics from '{}': {}".format(
line, parse_error))
continue
self._shelf.add(metric)
def _process_request(self, request):
# type: (str) -> None
request = str(request)
self._log_debug("processing metrics: {}".format(request))
lines = [line.strip() for line in request.split("\n") if line.strip()]
should_stop = self._should_stop_processing.is_set
for line in lines:
if should_stop():
break
try:
metric = parse_metric_from_request(line)
except ValueError as parse_error:
self._log_error(
"failed to parse statsd metrics from '{}': {}".format(
line, parse_error))
continue
self._shelf.add(metric)
