134 lines
5.1 KiB
Python
134 lines
5.1 KiB
Python
# Copyright The OpenTelemetry Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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from unittest import mock
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import pytest
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from opentelemetry.instrumentation.logging import ( # pylint: disable=no-name-in-module
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DEFAULT_LOGGING_FORMAT,
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LoggingInstrumentor,
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)
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from opentelemetry.test.test_base import TestBase
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from opentelemetry.trace import get_tracer
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class TestLoggingInstrumentor(TestBase):
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@pytest.fixture(autouse=True)
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def inject_fixtures(self, caplog):
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self.caplog = caplog # pylint: disable=attribute-defined-outside-init
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def setUp(self):
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super().setUp()
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LoggingInstrumentor().instrument()
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self.tracer = get_tracer(__name__)
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def tearDown(self):
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super().tearDown()
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LoggingInstrumentor().uninstrument()
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def assert_trace_context_injected(self, span_id, trace_id):
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with self.caplog.at_level(level=logging.INFO):
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logger = logging.getLogger("test logger")
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logger.info("hello")
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self.assertEqual(len(self.caplog.records), 1)
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record = self.caplog.records[0]
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self.assertEqual(record.otelSpanID, span_id)
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self.assertEqual(record.otelTraceID, trace_id)
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self.assertEqual(record.otelServiceName, "unknown_service")
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def test_trace_context_injection(self):
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with self.tracer.start_as_current_span("s1") as span:
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span_id = format(span.get_span_context().span_id, "016x")
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trace_id = format(span.get_span_context().trace_id, "032x")
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self.assert_trace_context_injected(span_id, trace_id)
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def test_trace_context_injection_without_span(self):
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self.assert_trace_context_injected("0", "0")
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@mock.patch("logging.basicConfig")
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def test_basic_config_called(self, basic_config_mock):
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LoggingInstrumentor().uninstrument()
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LoggingInstrumentor().instrument()
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self.assertFalse(basic_config_mock.called)
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LoggingInstrumentor().uninstrument()
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env_patch = mock.patch.dict(
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"os.environ", {"OTEL_PYTHON_LOG_CORRELATION": "true"}
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)
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env_patch.start()
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LoggingInstrumentor().instrument()
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basic_config_mock.assert_called_with(
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format=DEFAULT_LOGGING_FORMAT, level=logging.INFO
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)
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env_patch.stop()
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@mock.patch("logging.basicConfig")
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def test_custom_format_and_level_env(self, basic_config_mock):
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LoggingInstrumentor().uninstrument()
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LoggingInstrumentor().instrument()
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self.assertFalse(basic_config_mock.called)
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LoggingInstrumentor().uninstrument()
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env_patch = mock.patch.dict(
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"os.environ",
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{
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"OTEL_PYTHON_LOG_CORRELATION": "true",
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"OTEL_PYTHON_LOG_FORMAT": "%(message)s %(otelSpanID)s",
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"OTEL_PYTHON_LOG_LEVEL": "error",
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},
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)
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env_patch.start()
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LoggingInstrumentor().instrument()
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basic_config_mock.assert_called_with(
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format="%(message)s %(otelSpanID)s", level=logging.ERROR
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)
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env_patch.stop()
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@mock.patch("logging.basicConfig")
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def test_custom_format_and_level_api(
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self, basic_config_mock
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): # pylint: disable=no-self-use
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LoggingInstrumentor().uninstrument()
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LoggingInstrumentor().instrument(
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set_logging_format=True,
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logging_format="%(message)s span_id=%(otelSpanID)s",
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log_level=logging.WARNING,
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)
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basic_config_mock.assert_called_with(
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format="%(message)s span_id=%(otelSpanID)s", level=logging.WARNING
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)
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def test_uninstrumented(self):
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with self.tracer.start_as_current_span("s1") as span:
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span_id = format(span.get_span_context().span_id, "016x")
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trace_id = format(span.get_span_context().trace_id, "032x")
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self.assert_trace_context_injected(span_id, trace_id)
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LoggingInstrumentor().uninstrument()
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self.caplog.clear()
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with self.tracer.start_as_current_span("s1") as span:
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span_id = format(span.get_span_context().span_id, "016x")
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trace_id = format(span.get_span_context().trace_id, "032x")
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with self.caplog.at_level(level=logging.INFO):
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logger = logging.getLogger("test logger")
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logger.info("hello")
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self.assertEqual(len(self.caplog.records), 1)
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record = self.caplog.records[0]
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self.assertFalse(hasattr(record, "otelSpanID"))
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self.assertFalse(hasattr(record, "otelTraceID"))
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self.assertFalse(hasattr(record, "otelServiceName"))
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