remove aiohttp-server

This commit is contained in:
Leighton Chen
2023-11-08 15:35:49 -08:00
parent ca1d6adae1
commit fc71328191
9 changed files with 7 additions and 532 deletions

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OpenTelemetry aiohttp server Integration
========================================
|pypi|
.. |pypi| image:: https://badge.fury.io/py/opentelemetry-instrumentation-aiohttp-client.svg
:target: https://pypi.org/project/opentelemetry-instrumentation-aiohttp-client/
This library allows tracing HTTP requests made by the
`aiohttp server <https://docs.aiohttp.org/en/stable/server.html>`_ library.
Installation
------------
::
pip install opentelemetry-instrumentation-aiohttp-server
References
----------
* `OpenTelemetry Project <https://opentelemetry.io/>`_
* `aiohttp client Tracing <https://docs.aiohttp.org/en/stable/tracing_reference.html>`_
* `OpenTelemetry Python Examples <https://github.com/open-telemetry/opentelemetry-python/tree/main/docs/examples>`_

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[build-system]
requires = ["hatchling"]
build-backend = "hatchling.build"
[project]
name = "opentelemetry-instrumentation-aiohttp-server"
dynamic = ["version"]
description = "Aiohttp server instrumentation for OpenTelemetry"
readme = "README.rst"
license = "Apache-2.0"
requires-python = ">=3.7"
authors = [
{ name = "OpenTelemetry Authors", email = "cncf-opentelemetry-contributors@lists.cncf.io"}
]
classifiers = [
"Development Status :: 4 - Beta",
"Intended Audience :: Developers",
"License :: OSI Approved :: Apache Software License",
"Programming Language :: Python",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.7",
"Programming Language :: Python :: 3.8",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
"Programming Language :: Python :: 3.11"
]
dependencies = [
"opentelemetry-api ~= 1.12",
"opentelemetry-instrumentation == 0.42b0",
"opentelemetry-semantic-conventions == 0.42b0",
"opentelemetry-util-http == 0.42b0",
"wrapt >= 1.0.0, < 2.0.0",
]
[project.optional-dependencies]
instruments = [
"aiohttp ~= 3.0",
]
test = [
"opentelemetry-instrumentation-aiohttp-server[instruments]",
"pytest-asyncio",
"pytest-aiohttp",
]
[project.entry-points.opentelemetry_instrumentor]
aiohttp-server = "opentelemetry.instrumentation.aiohttp_server:AioHttpServerInstrumentor"
[project.urls]
Homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib/tree/main/instrumentation/opentelemetry-instrumentation-aiohttp-server"
[tool.hatch.version]
path = "src/opentelemetry/instrumentation/aiohttp_server/version.py"
[tool.hatch.build.targets.sdist]
include = [
"/src",
"/tests",
]
[tool.hatch.build.targets.wheel]
packages = ["src/opentelemetry"]

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# Copyright 2020, 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 urllib
from aiohttp import web
from multidict import CIMultiDictProxy
from timeit import default_timer
from typing import Tuple, Dict, List, Union
from opentelemetry import context, trace, metrics
from opentelemetry.context import _SUPPRESS_HTTP_INSTRUMENTATION_KEY
from opentelemetry.instrumentation.aiohttp_server.package import _instruments
from opentelemetry.instrumentation.aiohttp_server.version import __version__
from opentelemetry.instrumentation.instrumentor import BaseInstrumentor
from opentelemetry.instrumentation.utils import http_status_to_status_code
from opentelemetry.propagators.textmap import Getter
from opentelemetry.propagate import extract
from opentelemetry.semconv.trace import SpanAttributes
from opentelemetry.semconv.metrics import MetricInstruments
from opentelemetry.trace.status import Status, StatusCode
from opentelemetry.util.http import get_excluded_urls
from opentelemetry.util.http import remove_url_credentials
_duration_attrs = [
SpanAttributes.HTTP_METHOD,
SpanAttributes.HTTP_HOST,
SpanAttributes.HTTP_SCHEME,
SpanAttributes.HTTP_STATUS_CODE,
SpanAttributes.HTTP_FLAVOR,
SpanAttributes.HTTP_SERVER_NAME,
SpanAttributes.NET_HOST_NAME,
SpanAttributes.NET_HOST_PORT,
SpanAttributes.HTTP_ROUTE,
]
_active_requests_count_attrs = [
SpanAttributes.HTTP_METHOD,
SpanAttributes.HTTP_HOST,
SpanAttributes.HTTP_SCHEME,
SpanAttributes.HTTP_FLAVOR,
SpanAttributes.HTTP_SERVER_NAME,
]
tracer = trace.get_tracer(__name__)
meter = metrics.get_meter(__name__, __version__)
_excluded_urls = get_excluded_urls("AIOHTTP_SERVER")
def _parse_duration_attrs(req_attrs):
duration_attrs = {}
for attr_key in _duration_attrs:
if req_attrs.get(attr_key) is not None:
duration_attrs[attr_key] = req_attrs[attr_key]
return duration_attrs
def _parse_active_request_count_attrs(req_attrs):
active_requests_count_attrs = {}
for attr_key in _active_requests_count_attrs:
if req_attrs.get(attr_key) is not None:
active_requests_count_attrs[attr_key] = req_attrs[attr_key]
return active_requests_count_attrs
def get_default_span_details(request: web.Request) -> Tuple[str, dict]:
"""Default implementation for get_default_span_details
Args:
request: the request object itself.
Returns:
a tuple of the span name, and any attributes to attach to the span.
"""
span_name = request.path.strip() or f"HTTP {request.method}"
return span_name, {}
def _get_view_func(request: web.Request) -> str:
"""Returns the name of the request handler.
Args:
request: the request object itself.
Returns:
a string containing the name of the handler function
"""
try:
return request.match_info.handler.__name__
except AttributeError:
return "unknown"
def collect_request_attributes(request: web.Request) -> Dict:
"""Collects HTTP request attributes from the ASGI scope and returns a
dictionary to be used as span creation attributes."""
server_host, port, http_url = (
request.url.host,
request.url.port,
str(request.url),
)
query_string = request.query_string
if query_string and http_url:
if isinstance(query_string, bytes):
query_string = query_string.decode("utf8")
http_url += "?" + urllib.parse.unquote(query_string)
result = {
SpanAttributes.HTTP_SCHEME: request.scheme,
SpanAttributes.HTTP_HOST: server_host,
SpanAttributes.NET_HOST_PORT: port,
SpanAttributes.HTTP_ROUTE: _get_view_func(request),
SpanAttributes.HTTP_FLAVOR: f"{request.version.major}.{request.version.minor}",
SpanAttributes.HTTP_TARGET: request.path,
SpanAttributes.HTTP_URL: remove_url_credentials(http_url),
}
http_method = request.method
if http_method:
result[SpanAttributes.HTTP_METHOD] = http_method
http_host_value_list = (
[request.host] if type(request.host) != list else request.host
)
if http_host_value_list:
result[SpanAttributes.HTTP_SERVER_NAME] = ",".join(
http_host_value_list
)
http_user_agent = request.headers.get("user-agent")
if http_user_agent:
result[SpanAttributes.HTTP_USER_AGENT] = http_user_agent
# remove None values
result = {k: v for k, v in result.items() if v is not None}
return result
def set_status_code(span, status_code: int) -> None:
"""Adds HTTP response attributes to span using the status_code argument."""
try:
status_code = int(status_code)
except ValueError:
span.set_status(
Status(
StatusCode.ERROR,
"Non-integer HTTP status: " + repr(status_code),
)
)
else:
span.set_attribute(SpanAttributes.HTTP_STATUS_CODE, status_code)
span.set_status(
Status(http_status_to_status_code(status_code, server_span=True))
)
class AiohttpGetter(Getter):
"""Extract current trace from headers"""
def get(self, carrier, key: str) -> Union[List, None]:
"""Getter implementation to retrieve an HTTP header value from the ASGI
scope.
Args:
carrier: ASGI scope object
key: header name in scope
Returns:
A list of all header values matching the key, or None if the key
does not match any header.
"""
headers: CIMultiDictProxy = carrier.headers
if not headers:
return None
return headers.getall(key, None)
def keys(self, carrier: Dict) -> List:
return list(carrier.keys())
getter = AiohttpGetter()
@web.middleware
async def middleware(request, handler):
"""Middleware for aiohttp implementing tracing logic"""
if (
context.get_value("suppress_instrumentation")
or context.get_value(_SUPPRESS_HTTP_INSTRUMENTATION_KEY)
or _excluded_urls.url_disabled(request.url.path)
):
return await handler(request)
span_name, additional_attributes = get_default_span_details(request)
req_attrs = collect_request_attributes(request)
duration_attrs = _parse_duration_attrs(req_attrs)
active_requests_count_attrs = _parse_active_request_count_attrs(req_attrs)
duration_histogram = meter.create_histogram(
name=MetricInstruments.HTTP_SERVER_DURATION,
unit="ms",
description="measures the duration of the inbound HTTP request",
)
active_requests_counter = meter.create_up_down_counter(
name=MetricInstruments.HTTP_SERVER_ACTIVE_REQUESTS,
unit="requests",
description="measures the number of concurrent HTTP requests those are currently in flight",
)
with tracer.start_as_current_span(
span_name,
context=extract(request, getter=getter),
kind=trace.SpanKind.SERVER,
) as span:
attributes = collect_request_attributes(request)
attributes.update(additional_attributes)
span.set_attributes(attributes)
start = default_timer()
active_requests_counter.add(1, active_requests_count_attrs)
try:
resp = await handler(request)
set_status_code(span, resp.status)
except web.HTTPException as ex:
set_status_code(span, ex.status_code)
raise
finally:
duration = max((default_timer() - start) * 1000, 0)
duration_histogram.record(duration, duration_attrs)
active_requests_counter.add(-1, active_requests_count_attrs)
return resp
class _InstrumentedApplication(web.Application):
"""Insert tracing middleware"""
def __init__(self, *args, **kwargs):
middlewares = kwargs.pop("middlewares", [])
middlewares.insert(0, middleware)
kwargs["middlewares"] = middlewares
super().__init__(*args, **kwargs)
class AioHttpServerInstrumentor(BaseInstrumentor):
# pylint: disable=protected-access,attribute-defined-outside-init
"""An instrumentor for aiohttp.web.Application
See `BaseInstrumentor`
"""
def _instrument(self, **kwargs):
self._original_app = web.Application
setattr(web, "Application", _InstrumentedApplication)
def _uninstrument(self, **kwargs):
setattr(web, "Application", self._original_app)
def instrumentation_dependencies(self):
return _instruments

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# 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.
_instruments = ("aiohttp ~= 3.0",)

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@ -1,15 +0,0 @@
# 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.
__version__ = "0.42b0"

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# Copyright 2020, 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 pytest
import pytest_asyncio
import aiohttp
from http import HTTPStatus
from .utils import HTTPMethod
from opentelemetry import trace as trace_api
from opentelemetry.test.test_base import TestBase
from opentelemetry.instrumentation.aiohttp_server import AioHttpServerInstrumentor
from opentelemetry.semconv.trace import SpanAttributes
from opentelemetry.util._importlib_metadata import entry_points
from opentelemetry.test.globals_test import (
reset_trace_globals,
)
@pytest.fixture(scope="session")
def tracer():
test_base = TestBase()
tracer_provider, memory_exporter = test_base.create_tracer_provider()
reset_trace_globals()
trace_api.set_tracer_provider(tracer_provider)
yield tracer_provider, memory_exporter
reset_trace_globals()
async def default_handler(request, status=200):
return aiohttp.web.Response(status=status)
@pytest_asyncio.fixture
async def server_fixture(tracer, aiohttp_server):
_, memory_exporter = tracer
AioHttpServerInstrumentor().instrument()
app = aiohttp.web.Application()
app.add_routes(
[aiohttp.web.get("/test-path", default_handler)])
server = await aiohttp_server(app)
yield server, app
memory_exporter.clear()
AioHttpServerInstrumentor().uninstrument()
def test_checking_instrumentor_pkg_installed():
(instrumentor_entrypoint,) = entry_points(group="opentelemetry_instrumentor", name="aiohttp-server")
instrumentor = instrumentor_entrypoint.load()()
assert (isinstance(instrumentor, AioHttpServerInstrumentor))
@pytest.mark.asyncio
@pytest.mark.parametrize("url, expected_method, expected_status_code", [
("/test-path", HTTPMethod.GET, HTTPStatus.OK),
("/not-found", HTTPMethod.GET, HTTPStatus.NOT_FOUND)
])
async def test_status_code_instrumentation(
tracer,
server_fixture,
aiohttp_client,
url,
expected_method,
expected_status_code
):
_, memory_exporter = tracer
server, app = server_fixture
assert len(memory_exporter.get_finished_spans()) == 0
client = await aiohttp_client(server)
await client.get(url)
assert len(memory_exporter.get_finished_spans()) == 1
[span] = memory_exporter.get_finished_spans()
assert expected_method.value == span.attributes[SpanAttributes.HTTP_METHOD]
assert expected_status_code == span.attributes[SpanAttributes.HTTP_STATUS_CODE]
assert f"http://{server.host}:{server.port}{url}" == span.attributes[
SpanAttributes.HTTP_URL
]

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# Copyright 2020, 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.
from enum import Enum
class HTTPMethod(Enum):
"""HTTP methods and descriptions"""
def __repr__(self):
return f"{self.value}"
CONNECT = 'CONNECT'
DELETE = 'DELETE'
GET = 'GET'
HEAD = 'HEAD'
OPTIONS = 'OPTIONS'
PATCH = 'PATCH'
POST = 'POST'
PUT = 'PUT'
TRACE = 'TRACE'

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@ -18,18 +18,13 @@ DISTDIR=dist
for d in exporter/*/ opentelemetry-instrumentation/ opentelemetry-contrib-instrumentations/ opentelemetry-distro/ instrumentation/*/ propagator/*/ resource/*/ sdk-extension/*/ util/*/ ; do
(
# Skip the build step if the directory name is "opentelemetry-instrumentation-aiohttp-server"
if [[ "$d" == *"instrumentation/opentelemetry-instrumentation-aiohttp-server/"* ]]; then
echo "Skipping build for $d"
else
echo "building $d"
cd "$d"
# Some ext directories (such as docker tests) are not intended to be
# packaged. Verify the intent by looking for a pyproject.toml.
if [ -f pyproject.toml ]; then
python3 -m build --outdir "$BASEDIR/dist/"
fi
fi
echo "building $d"
cd "$d"
# Some ext directories (such as docker tests) are not intended to be
# packaged. Verify the intent by looking for a pyproject.toml.
if [ -f pyproject.toml ]; then
python3 -m build --outdir "$BASEDIR/dist/"
fi
)
done
(