def test_consume_measurement_counter(self, mock_sync_measurement_consumer):
sync_consumer_instance = mock_sync_measurement_consumer()
meter_provider = MeterProvider()
counter = meter_provider.get_meter("name").create_counter("name")
counter.add(1)
sync_consumer_instance.consume_measurement.assert_called()
def test_register_asynchronous_instrument(self,
mock_sync_measurement_consumer):
meter_provider = MeterProvider()
meter_provider._measurement_consumer.register_asynchronous_instrument.assert_called_with(
meter_provider.get_meter("name").create_observable_counter(
"name", Mock()))
meter_provider._measurement_consumer.register_asynchronous_instrument.assert_called_with(
meter_provider.get_meter("name").create_observable_up_down_counter(
"name", Mock()))
meter_provider._measurement_consumer.register_asynchronous_instrument.assert_called_with(
meter_provider.get_meter("name").create_observable_gauge(
"name", Mock()))
def test_meter_provider_resource(self):
"""
`MeterProvider` provides a way to allow a `Resource` to be specified.
"""
meter_provider_0 = MeterProvider()
meter_provider_1 = MeterProvider()
self.assertIs(meter_provider_0._resource, meter_provider_1._resource)
self.assertIsInstance(meter_provider_0._resource, Resource)
self.assertIsInstance(meter_provider_1._resource, Resource)
resource = Resource({"key": "value"})
self.assertIs(MeterProvider(resource)._resource, resource)
def test_register_metric_reader(self):
""" "
`MeterProvider` provides a way to configure `SDKMetricReader`s.
"""
meter_provider = MeterProvider()
self.assertTrue(hasattr(meter_provider, "register_metric_reader"))
metric_reader = SDKMetricReader()
meter_provider.register_metric_reader(metric_reader)
self.assertTrue(meter_provider._metric_readers, [metric_reader])
def test_register_metric_exporter(self):
""" "
`MeterProvider` provides a way to configure `ConsoleMetricExporter`s.
"""
meter_provider = MeterProvider()
self.assertTrue(hasattr(meter_provider, "register_metric_exporter"))
metric_exporter = ConsoleMetricExporter()
meter_provider.register_metric_exporter(metric_exporter)
self.assertTrue(meter_provider._metric_exporters, [metric_exporter])
def test_register_view(self):
""" "
`MeterProvider` provides a way to configure `View`s.
"""
meter_provider = MeterProvider()
self.assertTrue(hasattr(meter_provider, "register_view"))
view = View()
meter_provider.register_view(view)
self.assertTrue(meter_provider._views, [view])
def test_shutdown_race(self, mock_logger):
mock_logger.warning = MockFunc()
meter_provider = MeterProvider()
num_threads = 70
self.run_with_many_threads(meter_provider.shutdown,
num_threads=num_threads)
self.assertEqual(mock_logger.warning.call_count, num_threads - 1)
def test_measurement_collect_callback(self,
mock_sync_measurement_consumer):
metric_readers = [DummyMetricReader()] * 5
sync_consumer_instance = mock_sync_measurement_consumer()
sync_consumer_instance.collect = MockFunc()
MeterProvider(metric_readers=metric_readers)
for reader in metric_readers:
reader.collect()
self.assertEqual(sync_consumer_instance.collect.call_count,
len(metric_readers))
def test_get_meter_empty(self):
"""
`MeterProvider.get_meter` called with None or empty string as name
should return a NoOpMeter.
"""
meter = MeterProvider().get_meter(
None,
version="version",
schema_url="schema_url",
)
self.assertIsInstance(meter, NoOpMeter)
self.assertEqual(meter._name, None)
meter = MeterProvider().get_meter(
"",
version="version",
schema_url="schema_url",
)
self.assertIsInstance(meter, NoOpMeter)
self.assertEqual(meter._name, "")
def test_shutdown(self):
mock_metric_reader_0 = MagicMock(
**{
"shutdown.return_value": False,
"__str__.return_value": "mock_metric_reader_0",
})
mock_metric_reader_1 = Mock(**{"shutdown.return_value": True})
meter_provider = MeterProvider(
metric_readers=[mock_metric_reader_0, mock_metric_reader_1])
with self.assertLogs(level=WARNING) as log:
self.assertFalse(meter_provider.shutdown())
self.assertEqual(
log.records[0].getMessage(),
"MetricReader mock_metric_reader_0 failed to shutdown",
)
mock_metric_reader_0.shutdown.assert_called_once()
mock_metric_reader_1.shutdown.assert_called_once()
mock_metric_reader_0 = Mock(**{"shutdown.return_value": True})
mock_metric_reader_1 = Mock(**{"shutdown.return_value": True})
meter_provider = MeterProvider(
metric_readers=[mock_metric_reader_0, mock_metric_reader_1])
self.assertTrue(meter_provider.shutdown())
mock_metric_reader_0.shutdown.assert_called_once()
mock_metric_reader_1.shutdown.assert_called_once()
def test_get_meter_duplicate(self):
"""
Subsequent calls to `MeterProvider.get_meter` with the same arguments
should return the same `Meter` instance.
"""
mp = MeterProvider()
meter1 = mp.get_meter(
"name",
version="version",
schema_url="schema_url",
)
meter2 = mp.get_meter(
"name",
version="version",
schema_url="schema_url",
)
meter3 = mp.get_meter(
"name2",
version="version",
schema_url="schema_url",
)
self.assertIs(meter1, meter2)
self.assertIsNot(meter1, meter3)
def test_get_meter(self):
"""
`MeterProvider.get_meter` arguments are used to create an
`InstrumentationInfo` object on the created `Meter`.
"""
meter = MeterProvider().get_meter(
"name",
version="version",
schema_url="schema_url",
)
self.assertEqual(meter._instrumentation_info.name, "name")
self.assertEqual(meter._instrumentation_info.version, "version")
self.assertEqual(meter._instrumentation_info.schema_url, "schema_url")
def test_shutdown_subsequent_calls(self):
"""
No subsequent attempts to get a `Meter` are allowed after calling
`MeterProvider.shutdown`
"""
meter_provider = MeterProvider()
with self.assertRaises(AssertionError):
with self.assertLogs(level=WARNING):
meter_provider.shutdown()
with self.assertLogs(level=WARNING):
meter_provider.shutdown()
def test_meter_configuration(self):
"""
Any updated configuration is applied to all returned `Meter`s.
"""
meter_provider = MeterProvider()
view_0 = View()
meter_provider.register_view(view_0)
meter_0 = meter_provider.get_meter("meter_0")
meter_1 = meter_provider.get_meter("meter_1")
self.assertEqual(meter_0._meter_provider._views, [view_0])
self.assertEqual(meter_1._meter_provider._views, [view_0])
view_1 = View()
meter_provider.register_view(view_1)
self.assertEqual(meter_0._meter_provider._views, [view_0, view_1])
self.assertEqual(meter_1._meter_provider._views, [view_0, view_1])
def test_cpu_time_generator(self):
def cpu_time_generator(
) -> Generator[Iterable[Measurement], None, None]:
while True:
measurements = []
procstat = io.StringIO(self.procstat_str)
procstat.readline() # skip the first line
for line in procstat:
if not line.startswith("cpu"):
break
cpu, *states = line.split()
measurements.append(
Measurement(
int(states[0]) // 100,
{
"cpu": cpu,
"state": "user"
},
))
measurements.append(
Measurement(
int(states[1]) // 100,
{
"cpu": cpu,
"state": "nice"
},
))
measurements.append(
Measurement(
int(states[2]) // 100,
{
"cpu": cpu,
"state": "system"
},
))
measurements.append(
Measurement(
int(states[3]) // 100,
{
"cpu": cpu,
"state": "idle"
},
))
measurements.append(
Measurement(
int(states[4]) // 100,
{
"cpu": cpu,
"state": "iowait"
},
))
measurements.append(
Measurement(
int(states[5]) // 100, {
"cpu": cpu,
"state": "irq"
}))
measurements.append(
Measurement(
int(states[6]) // 100,
{
"cpu": cpu,
"state": "softirq"
},
))
measurements.append(
Measurement(
int(states[7]) // 100,
{
"cpu": cpu,
"state": "guest"
},
))
measurements.append(
Measurement(
int(states[8]) // 100,
{
"cpu": cpu,
"state": "guest_nice"
},
))
yield measurements
meter = MeterProvider().get_meter("name")
observable_counter = meter.create_observable_counter(
"system.cpu.time",
callback=cpu_time_generator(),
unit="s",
description="CPU time",
)
measurements = list(observable_counter._callback())
self.assertEqual(measurements, self.measurements_expected)
def test_creates_sync_measurement_consumer(self,
mock_sync_measurement_consumer):
MeterProvider()
mock_sync_measurement_consumer.assert_called()
def test_force_flush_result(self):
"""
`MeterProvider.force_flush` provides a way to let the caller know if it
succeeded or failed.
`MeterProvider.force_flush` is implemented by at least invoking
``force_flush`` on all registered `SDKMetricReader`s and `ConsoleMetricExporter`s.
"""
meter_provider = MeterProvider()
meter_provider.register_metric_reader(
Mock(**{"force_flush.return_value": True}))
meter_provider.register_metric_exporter(
Mock(**{"force_flush.return_value": True}))
self.assertTrue(meter_provider.force_flush())
meter_provider = MeterProvider()
meter_provider.register_metric_reader(
Mock(**{"force_flush.return_value": True}))
meter_provider.register_metric_exporter(
Mock(**{"force_flush.return_value": False}))
self.assertFalse(meter_provider.force_flush())
from opentelemetry._metrics import get_meter_provider, set_meter_provider
from opentelemetry.exporter.otlp.proto.grpc._metric_exporter import (
OTLPMetricExporter,
)
from opentelemetry.sdk._metrics import MeterProvider
from opentelemetry.sdk._metrics.export import PeriodicExportingMetricReader
exporter = OTLPMetricExporter(insecure=True)
reader = PeriodicExportingMetricReader(exporter)
provider = MeterProvider(metric_readers=[reader])
set_meter_provider(provider)
meter = get_meter_provider().get_meter("getting-started")
counter = meter.create_counter("first_counter")
counter.add(1)
# TODO: fill in details for additional metrics