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Description:

otelextensionspytest 0.2.1

otel-extensions-pytest: A pytest extension for OpenTelemetry
otel-extensions-pytest is a pytest plugin that will automatically instrument a pytest-based test session,
wrapping the test session in a span and wrapping each test in a child span.
Dependencies

Python >= 3.6
pytest >= 6.2

Installation
pip install
You can install through pip using:
pip install otel-extensions-pytest

(you may need to run pip with root permission: sudo pip install otel-extensions-pytest)
Setuptools
Install via Setuptools.
python setup.py install --user

(or sudo python setup.py install to install the package for all users)
Usage
Enable the plugin by adding
pytest_plugins = ("otel_extensions_pytest",)

to your conftest.py, or by adding the option -p otel_extensions_pytest to the pytest command line.
For tracing to be enabled, you need to specify a trace receiver endpoint using the command-line option
--otel-endpoint or by setting the environment variable OTEL_EXPORTER_OTLP_ENDPOINT.
e.g. --otel-endpoint http://localhost:4317/
The full set of options are shown here:

Command-line Option
Environment Variable
Description

--otel_service_name
OTEL_SERVICE_NAME
Name of resource/service for traces

--otel_session_name
OTEL_SESSION_NAME
Name of parent session span

--otel_endpoint
OTEL_EXPORTER_OTLP_ENDPOINT
OTLP Receiver Endpoint

--otel_protocol
OTEL_EXPORTER_OTLP_PROTOCOL
protocol for OTLP receiver (supported: gprc , http/protobuf , custom)

--otel_processor_type
OTEL_PROCESSOR_TYPE
Span Processor type (batch: use BatchSpanProcessor, simple: use SimpleSpanProcessor

--otel_traceparent
TRACEPARENT
Parent span id. Will be injected into current context (useful when running automated tests using the OpenTelemetry Jenkins plugin)

n/a
OTEL_EXPORTER_OTLP_CERTIFICATE
path to CA bundle for verifying TLS cert of receiver endpoint

n/a
OTEL_EXPORTER_CUSTOM_SPAN_EXPORTER_TYPE
Custom span exporter class (needed if protocol set to custom)

Additional Features
@instrumented_fixture decorator
You can decorate fixtures by using the @instrumented_fixture decorator. If the fixture is a generator (i.e. has a yield statement), separate spans will be created for the setup and teardown phases.
from otel_extensions_pytest import instrumented_fixture

# note: all options of pytest.fixture() are supported (autouse, etc)
@instrumented_fixture(scope="function")
def my_fixture():
""" Span is automatically created using `my_fixture` as span name """
return "foo"

@instrumented_fixture(scope="function")
def my_generator_fixture():
# A span named `my_generator_fixture (setup)` is automatically created for this section
time.sleep(5)

yield "foo"

# A span named `my_generator_fixture (teardown)` is automatically created for this section
time.sleep(5)