Files
2022-07-17 21:09:15 +05:30

239 lines
9.0 KiB
Python

# 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.
import asyncio
import logging
from unittest import mock
import pytest
import sqlalchemy
from sqlalchemy import create_engine
from opentelemetry import trace
from opentelemetry.instrumentation.sqlalchemy import SQLAlchemyInstrumentor
from opentelemetry.instrumentation.sqlalchemy.engine import EngineTracer
from opentelemetry.sdk.resources import Resource
from opentelemetry.sdk.trace import TracerProvider, export
from opentelemetry.test.test_base import TestBase
class TestSqlalchemyInstrumentation(TestBase):
@pytest.fixture(autouse=True)
def inject_fixtures(self, caplog):
self.caplog = caplog # pylint: disable=attribute-defined-outside-init
def tearDown(self):
super().tearDown()
SQLAlchemyInstrumentor().uninstrument()
def test_trace_integration(self):
engine = create_engine("sqlite:///:memory:")
SQLAlchemyInstrumentor().instrument(
engine=engine,
tracer_provider=self.tracer_provider,
)
cnx = engine.connect()
cnx.execute("SELECT 1 + 1;").fetchall()
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 2)
# first span - the connection to the db
self.assertEqual(spans[0].name, "connect")
self.assertEqual(spans[0].kind, trace.SpanKind.CLIENT)
# second span - the query itself
self.assertEqual(spans[1].name, "SELECT :memory:")
self.assertEqual(spans[1].kind, trace.SpanKind.CLIENT)
def test_instrument_two_engines(self):
engine_1 = create_engine("sqlite:///:memory:")
engine_2 = create_engine("sqlite:///:memory:")
SQLAlchemyInstrumentor().instrument(
engines=[engine_1, engine_2],
tracer_provider=self.tracer_provider,
)
cnx_1 = engine_1.connect()
cnx_1.execute("SELECT 1 + 1;").fetchall()
cnx_2 = engine_2.connect()
cnx_2.execute("SELECT 1 + 1;").fetchall()
spans = self.memory_exporter.get_finished_spans()
# 2 queries + 2 engine connect
self.assertEqual(len(spans), 4)
def test_instrument_engine_connect(self):
engine = create_engine("sqlite:///:memory:")
SQLAlchemyInstrumentor().instrument(
engine=engine,
tracer_provider=self.tracer_provider,
)
engine.connect()
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 1)
@pytest.mark.skipif(
not sqlalchemy.__version__.startswith("1.4"),
reason="only run async tests for 1.4",
)
def test_async_trace_integration(self):
async def run():
from sqlalchemy.ext.asyncio import ( # pylint: disable-all
create_async_engine,
)
engine = create_async_engine("sqlite+aiosqlite:///:memory:")
SQLAlchemyInstrumentor().instrument(
engine=engine.sync_engine, tracer_provider=self.tracer_provider
)
async with engine.connect() as cnx:
await cnx.execute(sqlalchemy.text("SELECT 1 + 1;"))
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 2)
# first span - the connection to the db
self.assertEqual(spans[0].name, "connect")
self.assertEqual(spans[0].kind, trace.SpanKind.CLIENT)
# second span - the query
self.assertEqual(spans[1].name, "SELECT :memory:")
self.assertEqual(spans[1].kind, trace.SpanKind.CLIENT)
self.assertEqual(
spans[1].instrumentation_scope.name,
"opentelemetry.instrumentation.sqlalchemy",
)
asyncio.get_event_loop().run_until_complete(run())
def test_not_recording(self):
mock_tracer = mock.Mock()
mock_span = mock.Mock()
mock_span.is_recording.return_value = False
mock_span.__enter__ = mock.Mock(return_value=(mock.Mock(), None))
mock_span.__exit__ = mock.Mock(return_value=None)
mock_tracer.start_span.return_value = mock_span
mock_tracer.start_as_current_span.return_value = mock_span
with mock.patch("opentelemetry.trace.get_tracer") as tracer:
tracer.return_value = mock_tracer
engine = create_engine("sqlite:///:memory:")
SQLAlchemyInstrumentor().instrument(
engine=engine,
tracer_provider=self.tracer_provider,
)
cnx = engine.connect()
cnx.execute("SELECT 1 + 1;").fetchall()
self.assertFalse(mock_span.is_recording())
self.assertTrue(mock_span.is_recording.called)
self.assertFalse(mock_span.set_attribute.called)
self.assertFalse(mock_span.set_status.called)
def test_create_engine_wrapper(self):
SQLAlchemyInstrumentor().instrument()
from sqlalchemy import create_engine # pylint: disable-all
engine = create_engine("sqlite:///:memory:")
cnx = engine.connect()
cnx.execute("SELECT 1 + 1;").fetchall()
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 2)
# first span - the connection to the db
self.assertEqual(spans[0].name, "connect")
self.assertEqual(spans[0].kind, trace.SpanKind.CLIENT)
# second span - the query
self.assertEqual(spans[1].name, "SELECT :memory:")
self.assertEqual(spans[1].kind, trace.SpanKind.CLIENT)
self.assertEqual(
spans[1].instrumentation_scope.name,
"opentelemetry.instrumentation.sqlalchemy",
)
def test_custom_tracer_provider(self):
provider = TracerProvider(
resource=Resource.create(
{
"service.name": "test",
"deployment.environment": "env",
"service.version": "1234",
},
),
)
provider.add_span_processor(
export.SimpleSpanProcessor(self.memory_exporter)
)
SQLAlchemyInstrumentor().instrument(tracer_provider=provider)
from sqlalchemy import create_engine # pylint: disable-all
engine = create_engine("sqlite:///:memory:")
cnx = engine.connect()
cnx.execute("SELECT 1 + 1;").fetchall()
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 2)
self.assertEqual(spans[0].resource.attributes["service.name"], "test")
self.assertEqual(
spans[0].resource.attributes["deployment.environment"], "env"
)
self.assertEqual(
spans[0].resource.attributes["service.version"], "1234"
)
@pytest.mark.skipif(
not sqlalchemy.__version__.startswith("1.4"),
reason="only run async tests for 1.4",
)
def test_create_async_engine_wrapper(self):
async def run():
SQLAlchemyInstrumentor().instrument()
from sqlalchemy.ext.asyncio import ( # pylint: disable-all
create_async_engine,
)
engine = create_async_engine("sqlite+aiosqlite:///:memory:")
async with engine.connect() as cnx:
await cnx.execute(sqlalchemy.text("SELECT 1 + 1;"))
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 2)
# first span - the connection to the db
self.assertEqual(spans[0].name, "connect")
self.assertEqual(spans[0].kind, trace.SpanKind.CLIENT)
# second span - the query
self.assertEqual(spans[1].name, "SELECT :memory:")
self.assertEqual(spans[1].kind, trace.SpanKind.CLIENT)
self.assertEqual(
spans[1].instrumentation_scope.name,
"opentelemetry.instrumentation.sqlalchemy",
)
asyncio.get_event_loop().run_until_complete(run())
def test_generate_commenter(self):
logging.getLogger("sqlalchemy.engine").setLevel(logging.INFO)
engine = create_engine("sqlite:///:memory:")
SQLAlchemyInstrumentor().instrument(
engine=engine,
tracer_provider=self.tracer_provider,
enable_commenter=True,
)
cnx = engine.connect()
cnx.execute("SELECT 1 + 1;").fetchall()
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 2)
span = spans[1]
self.assertIn(
EngineTracer._generate_comment(span),
self.caplog.records[-2].getMessage(),
)