zuul/tests/otlp_fixture.py

59 lines
1.9 KiB
Python

# Copyright 2022 Acme Gating, LLC
#
# 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.
from concurrent import futures
import fixtures
import grpc
from opentelemetry import trace
from opentelemetry.proto.collector.trace.v1.trace_service_pb2_grpc import (
TraceServiceServicer,
add_TraceServiceServicer_to_server
)
from opentelemetry.proto.collector.trace.v1.trace_service_pb2 import (
ExportTraceServiceResponse,
)
class TraceServer(TraceServiceServicer):
def __init__(self, fixture):
super().__init__()
self.fixture = fixture
def Export(self, request, context):
self.fixture.requests.append(request)
return ExportTraceServiceResponse()
class OTLPFixture(fixtures.Fixture):
def __init__(self):
super().__init__()
self.requests = []
self.executor = futures.ThreadPoolExecutor(
thread_name_prefix='OTLPFixture',
max_workers=10)
self.server = grpc.server(self.executor)
add_TraceServiceServicer_to_server(TraceServer(self), self.server)
self.port = self.server.add_insecure_port('[::]:0')
# Reset global tracer provider
trace._TRACER_PROVIDER_SET_ONCE = trace.Once()
trace._TRACER_PROVIDER = None
def _setUp(self):
self.server.start()
def _cleanup(self):
self.server.stop()
self.server.wait_for_termination()
self.executor.shutdown()