sanic/examples/log_request_id.py

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'''
Based on example from https://github.com/Skyscanner/aiotask-context
and `examples/{override_logging,run_async}.py`.
Needs https://github.com/Skyscanner/aiotask-context/tree/52efbc21e2e1def2d52abb9a8e951f3ce5e6f690 or newer
$ pip install git+https://github.com/Skyscanner/aiotask-context.git
'''
import asyncio
import uuid
import logging
from signal import signal, SIGINT
from sanic import Sanic
from sanic import response
import uvloop
import aiotask_context as context
log = logging.getLogger(__name__)
class RequestIdFilter(logging.Filter):
def filter(self, record):
record.request_id = context.get('X-Request-ID')
return True
LOG_SETTINGS = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
'console': {
'class': 'logging.StreamHandler',
'level': 'DEBUG',
'formatter': 'default',
'filters': ['requestid'],
},
},
'filters': {
'requestid': {
'()': RequestIdFilter,
},
},
'formatters': {
'default': {
'format': '%(asctime)s %(levelname)s %(name)s:%(lineno)d %(request_id)s | %(message)s',
},
},
'loggers': {
'': {
'level': 'DEBUG',
'handlers': ['console'],
'propagate': True
},
}
}
app = Sanic(__name__, log_config=LOG_SETTINGS)
@app.middleware('request')
async def set_request_id(request):
request_id = request.headers.get('X-Request-ID') or str(uuid.uuid4())
context.set("X-Request-ID", request_id)
@app.route("/")
async def test(request):
log.debug('X-Request-ID: %s', context.get('X-Request-ID'))
log.info('Hello from test!')
return response.json({"test": True})
if __name__ == '__main__':
asyncio.set_event_loop(uvloop.new_event_loop())
server = app.create_server(host="0.0.0.0", port=8000)
loop = asyncio.get_event_loop()
loop.set_task_factory(context.task_factory)
task = asyncio.ensure_future(server)
try:
loop.run_forever()
except:
loop.stop()