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Add metric instrumentation for urllib (#1553)
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_instruments = tuple() | ||
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_supports_metrics = True |
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instrumentation/opentelemetry-instrumentation-urllib/tests/test_metrics_instrumentation.py
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# Copyright The OpenTelemetry Authors | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); | ||
# you may not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software | ||
# distributed under the License is distributed on an "AS IS" BASIS, | ||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
# See the License for the specific language governing permissions and | ||
# limitations under the License. | ||
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from timeit import default_timer | ||
from typing import Optional, Union | ||
from urllib import request | ||
from urllib.parse import urlencode | ||
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import httpretty | ||
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from opentelemetry.instrumentation.urllib import ( # pylint: disable=no-name-in-module,import-error | ||
URLLibInstrumentor, | ||
) | ||
from opentelemetry.sdk.metrics._internal.point import Metric | ||
from opentelemetry.sdk.metrics.export import ( | ||
HistogramDataPoint, | ||
NumberDataPoint, | ||
) | ||
from opentelemetry.semconv.metrics import MetricInstruments | ||
from opentelemetry.test.test_base import TestBase | ||
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class TestRequestsIntegration(TestBase): | ||
URL = "http://httpbin.org/status/200" | ||
URL_POST = "http://httpbin.org/post" | ||
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def setUp(self): | ||
super().setUp() | ||
URLLibInstrumentor().instrument() | ||
httpretty.enable() | ||
httpretty.register_uri(httpretty.GET, self.URL, body=b"Hello!") | ||
httpretty.register_uri( | ||
httpretty.POST, self.URL_POST, body=b"Hello World!" | ||
) | ||
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def tearDown(self): | ||
super().tearDown() | ||
URLLibInstrumentor().uninstrument() | ||
httpretty.disable() | ||
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def get_sorted_metrics(self): | ||
resource_metrics = ( | ||
self.memory_metrics_reader.get_metrics_data().resource_metrics | ||
) | ||
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all_metrics = [] | ||
for metrics in resource_metrics: | ||
for scope_metrics in metrics.scope_metrics: | ||
all_metrics.extend(scope_metrics.metrics) | ||
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return self.sorted_metrics(all_metrics) | ||
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@staticmethod | ||
def sorted_metrics(metrics): | ||
""" | ||
Sorts metrics by metric name. | ||
""" | ||
return sorted( | ||
metrics, | ||
key=lambda m: m.name, | ||
) | ||
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def assert_metric_expected( | ||
self, | ||
metric: Metric, | ||
expected_value: Union[int, float], | ||
expected_attributes: dict, | ||
est_delta: Optional[float] = None, | ||
): | ||
data_point = next(iter(metric.data.data_points)) | ||
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if isinstance(data_point, HistogramDataPoint): | ||
self.assertEqual( | ||
data_point.count, | ||
1, | ||
) | ||
if est_delta is None: | ||
self.assertEqual( | ||
data_point.sum, | ||
expected_value, | ||
) | ||
else: | ||
self.assertAlmostEqual( | ||
data_point.sum, | ||
expected_value, | ||
delta=est_delta, | ||
) | ||
elif isinstance(data_point, NumberDataPoint): | ||
self.assertEqual( | ||
data_point.value, | ||
expected_value, | ||
) | ||
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self.assertDictEqual( | ||
expected_attributes, | ||
dict(data_point.attributes), | ||
) | ||
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def test_basic_metric(self): | ||
start_time = default_timer() | ||
with request.urlopen(self.URL) as result: | ||
client_duration_estimated = (default_timer() - start_time) * 1000 | ||
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metrics = self.get_sorted_metrics() | ||
self.assertEqual(len(metrics), 3) | ||
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( | ||
client_duration, | ||
client_request_size, | ||
client_response_size, | ||
) = metrics[:3] | ||
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self.assertEqual( | ||
client_duration.name, MetricInstruments.HTTP_CLIENT_DURATION | ||
) | ||
self.assert_metric_expected( | ||
client_duration, | ||
client_duration_estimated, | ||
{ | ||
"http.status_code": str(result.code), | ||
"http.method": "GET", | ||
"http.url": str(result.url), | ||
"http.flavor": "1.1", | ||
}, | ||
est_delta=200, | ||
) | ||
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# net.peer.name | ||
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self.assertEqual( | ||
client_request_size.name, | ||
MetricInstruments.HTTP_CLIENT_REQUEST_SIZE, | ||
) | ||
self.assert_metric_expected( | ||
client_request_size, | ||
0, | ||
{ | ||
"http.status_code": str(result.code), | ||
"http.method": "GET", | ||
"http.url": str(result.url), | ||
"http.flavor": "1.1", | ||
}, | ||
) | ||
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self.assertEqual( | ||
client_response_size.name, | ||
MetricInstruments.HTTP_CLIENT_RESPONSE_SIZE, | ||
) | ||
self.assert_metric_expected( | ||
client_response_size, | ||
result.length, | ||
{ | ||
"http.status_code": str(result.code), | ||
"http.method": "GET", | ||
"http.url": str(result.url), | ||
"http.flavor": "1.1", | ||
}, | ||
) | ||
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def test_basic_metric_request_not_empty(self): | ||
data = {"header1": "value1", "header2": "value2"} | ||
data_encoded = urlencode(data).encode() | ||
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start_time = default_timer() | ||
with request.urlopen(self.URL_POST, data=data_encoded) as result: | ||
client_duration_estimated = (default_timer() - start_time) * 1000 | ||
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metrics = self.get_sorted_metrics() | ||
self.assertEqual(len(metrics), 3) | ||
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( | ||
client_duration, | ||
client_request_size, | ||
client_response_size, | ||
) = metrics[:3] | ||
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self.assertEqual( | ||
client_duration.name, MetricInstruments.HTTP_CLIENT_DURATION | ||
) | ||
self.assert_metric_expected( | ||
client_duration, | ||
client_duration_estimated, | ||
{ | ||
"http.status_code": str(result.code), | ||
"http.method": "POST", | ||
"http.url": str(result.url), | ||
"http.flavor": "1.1", | ||
}, | ||
est_delta=200, | ||
) | ||
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self.assertEqual( | ||
client_request_size.name, | ||
MetricInstruments.HTTP_CLIENT_REQUEST_SIZE, | ||
) | ||
self.assert_metric_expected( | ||
client_request_size, | ||
len(data_encoded), | ||
{ | ||
"http.status_code": str(result.code), | ||
"http.method": "POST", | ||
"http.url": str(result.url), | ||
"http.flavor": "1.1", | ||
}, | ||
) | ||
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self.assertEqual( | ||
client_response_size.name, | ||
MetricInstruments.HTTP_CLIENT_RESPONSE_SIZE, | ||
) | ||
self.assert_metric_expected( | ||
client_response_size, | ||
result.length, | ||
{ | ||
"http.status_code": str(result.code), | ||
"http.method": "POST", | ||
"http.url": str(result.url), | ||
"http.flavor": "1.1", | ||
}, | ||
) | ||
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def test_metric_uninstrument(self): | ||
with request.urlopen(self.URL): | ||
metrics = self.get_sorted_metrics() | ||
self.assertEqual(len(metrics), 3) | ||
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URLLibInstrumentor().uninstrument() | ||
with request.urlopen(self.URL): | ||
metrics = self.get_sorted_metrics() | ||
self.assertEqual(len(metrics), 3) | ||
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for metric in metrics: | ||
for point in list(metric.data.data_points): | ||
self.assertEqual(point.count, 1) |