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59a737c285
* Add key predicate to baggage span processor * add changelog entry * fix linting * more linter fixes --------- Co-authored-by: Diego Hurtado <ocelotl@users.noreply.github.com>
168 lines
7.0 KiB
Python
168 lines
7.0 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 re
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import unittest
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from opentelemetry.baggage import get_all as get_all_baggage
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from opentelemetry.baggage import set_baggage
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from opentelemetry.context import attach, detach
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from opentelemetry.processor.baggage import (
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ALLOW_ALL_BAGGAGE_KEYS,
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BaggageSpanProcessor,
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)
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from opentelemetry.sdk.trace import TracerProvider
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from opentelemetry.sdk.trace.export import SpanProcessor
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from opentelemetry.trace import Span, Tracer
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class BaggageSpanProcessorTest(unittest.TestCase):
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def test_check_the_baggage(self):
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self.assertIsInstance(
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BaggageSpanProcessor(ALLOW_ALL_BAGGAGE_KEYS), SpanProcessor
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)
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def test_set_baggage_attaches_to_child_spans_and_detaches_properly_with_context(
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self,
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):
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tracer_provider = TracerProvider()
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tracer_provider.add_span_processor(
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BaggageSpanProcessor(ALLOW_ALL_BAGGAGE_KEYS)
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)
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# tracer has no baggage to start
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tracer = tracer_provider.get_tracer("my-tracer")
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self.assertIsInstance(tracer, Tracer)
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self.assertEqual(get_all_baggage(), {})
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# set baggage in context
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ctx = set_baggage("queen", "bee")
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with tracer.start_as_current_span(
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name="bumble", context=ctx
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) as bumble_span:
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# span should have baggage key-value pair in context
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self.assertEqual(get_all_baggage(ctx), {"queen": "bee"})
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# span should have baggage key-value pair in attribute
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self.assertEqual(bumble_span._attributes["queen"], "bee")
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with tracer.start_as_current_span(
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name="child_span", context=ctx
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) as child_span:
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self.assertIsInstance(child_span, Span)
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# child span should have baggage key-value pair in context
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self.assertEqual(get_all_baggage(ctx), {"queen": "bee"})
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# child span should have baggage key-value pair in attribute
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self.assertEqual(child_span._attributes["queen"], "bee")
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def test_baggage_span_processor_with_string_prefix(
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self,
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):
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tracer_provider = TracerProvider()
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tracer_provider.add_span_processor(
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BaggageSpanProcessor(self.has_prefix)
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)
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# tracer has no baggage to start
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tracer = tracer_provider.get_tracer("my-tracer")
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self.assertIsInstance(tracer, Tracer)
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self.assertEqual(get_all_baggage(), {})
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# set baggage in context
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ctx = set_baggage("queen", "bee")
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with tracer.start_as_current_span(
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name="bumble", context=ctx
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) as bumble_span:
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# span should have baggage key-value pair in context
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self.assertEqual(get_all_baggage(ctx), {"queen": "bee"})
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# span should have baggage key-value pair in attribute
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self.assertEqual(bumble_span._attributes["queen"], "bee")
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with tracer.start_as_current_span(
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name="child_span", context=ctx
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) as child_span:
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self.assertIsInstance(child_span, Span)
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# child span should have baggage key-value pair in context
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self.assertEqual(get_all_baggage(ctx), {"queen": "bee"})
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# child span should have baggage key-value pair in attribute
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self.assertEqual(child_span._attributes["queen"], "bee")
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def test_baggage_span_processor_with_regex(
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self,
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):
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tracer_provider = TracerProvider()
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tracer_provider.add_span_processor(
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BaggageSpanProcessor(self.matches_regex)
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)
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# tracer has no baggage to start
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tracer = tracer_provider.get_tracer("my-tracer")
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self.assertIsInstance(tracer, Tracer)
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self.assertEqual(get_all_baggage(), {})
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# set baggage in context
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ctx = set_baggage("queen", "bee")
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with tracer.start_as_current_span(
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name="bumble", context=ctx
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) as bumble_span:
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# span should have baggage key-value pair in context
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self.assertEqual(get_all_baggage(ctx), {"queen": "bee"})
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# span should have baggage key-value pair in attribute
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self.assertEqual(bumble_span._attributes["queen"], "bee")
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with tracer.start_as_current_span(
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name="child_span", context=ctx
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) as child_span:
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self.assertIsInstance(child_span, Span)
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# child span should have baggage key-value pair in context
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self.assertEqual(get_all_baggage(ctx), {"queen": "bee"})
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# child span should have baggage key-value pair in attribute
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self.assertEqual(child_span._attributes["queen"], "bee")
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def test_set_baggage_attaches_to_child_spans_and_detaches_properly_with_token(
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self,
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):
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tracer_provider = TracerProvider()
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tracer_provider.add_span_processor(
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BaggageSpanProcessor(ALLOW_ALL_BAGGAGE_KEYS)
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)
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# tracer has no baggage to start
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tracer = tracer_provider.get_tracer("my-tracer")
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self.assertIsInstance(tracer, Tracer)
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self.assertEqual(get_all_baggage(), {})
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# create a context token and set baggage
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honey_token = attach(set_baggage("bumble", "bee"))
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self.assertEqual(get_all_baggage(), {"bumble": "bee"})
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# in a new span, ensure the baggage is there
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with tracer.start_as_current_span("parent") as span:
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self.assertEqual(get_all_baggage(), {"bumble": "bee"})
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self.assertEqual(span._attributes["bumble"], "bee")
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# create a second context token and set more baggage
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moar_token = attach(set_baggage("moar", "bee"))
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self.assertEqual(
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get_all_baggage(), {"bumble": "bee", "moar": "bee"}
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)
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# in a child span, ensure all baggage is there as attributes
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with tracer.start_as_current_span("child") as child_span:
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self.assertEqual(
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get_all_baggage(), {"bumble": "bee", "moar": "bee"}
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)
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self.assertEqual(child_span._attributes["bumble"], "bee")
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self.assertEqual(child_span._attributes["moar"], "bee")
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detach(moar_token)
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detach(honey_token)
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self.assertEqual(get_all_baggage(), {})
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@staticmethod
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def has_prefix(baggage_key: str) -> bool:
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return baggage_key.startswith("que")
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@staticmethod
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def matches_regex(baggage_key: str) -> bool:
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return re.match(r"que.*", baggage_key) is not None
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