Add example of logging config file #491
Comments
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Agreed yup. As a starting point we could just link to this: https://docs.python.org/3/library/logging.config.html#logging-config-fileformat Tho ideally a proper example that's relevant to uvicorn would be ace. Any pull requests here would be most welcome (even if it's just linkig to the Python docs to start with.) |
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It would also be worth mentioning that by enabling the custom log, other uvicorn loggers are likely to become disabled. See #511 |
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I found this helpful: |
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I will appreciate good example for the uvicorn logging with other libs. |
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Do you use any config file by default when nothing is passed to the --log-config? |
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I would like to specify the log configuration in a separate file and use it with the option --log-config.
but I don't know how to specify it in a config file. |
assuming you're passing a yaml file, something like the below should print the timestamp, this is well explained in python docs here version: 1
formatters:
simple:
format: '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
handlers:
console:
class: logging.StreamHandler
level: DEBUG
formatter: simple
stream: ext://sys.stdout
loggers:
simpleExample:
level: DEBUG
handlers: [console]
propagate: no
root:
level: DEBUG
handlers: [console] |
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Thank you @euri10. However, I got the following error when I try to run uvicorn with --log-config option: Sorry, but this is my very first time with this problem and I'm a bit confused... |
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dunno what you're doing, seems like you're using a ini logging format ? you can use
Lines 240 to 247 in bdab488
for reference with the above simplest log.yaml and running |
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I also had @mattiacampana 's issue --- fixed by updating to the latest uvicorn with |
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How add custom header to access log? User-Agent or Authorization, etc.? Thanks. |
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Not sure if this is helpful but I had the same issue as @mattiacampana and I solved by defining a new formatter, a new handler and configuring the root logger to use them. Then setting version: 1
disable_existing_loggers: False
formatters:
timestamped:
format: '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
handlers:
console:
class: logging.StreamHandler
level: INFO
formatter: timestamped
stream: ext://sys.stdout
root:
level: INFO
handlers: [console] |
Another solution I found, in order to use uvicorn formatter classes (and not lose colors, for instance), is to re-define loggers like this: version: 1
disable_existing_loggers: False
formatters:
default:
(): 'uvicorn.logging.DefaultFormatter'
fmt: '%(asctime)s %(levelprefix)-9s %(name)s -: %(message)s'
access:
(): 'uvicorn.logging.AccessFormatter'
fmt: '%(asctime)s %(levelprefix)-9s %(name)s -: %(client_addr)s - "%(request_line)s" %(status_code)s'
handlers:
default:
class: logging.StreamHandler
formatter: default
stream: ext://sys.stderr
access:
class: logging.StreamHandler
formatter: access
stream: ext://sys.stdout
loggers:
uvicorn:
level: INFO
handlers:
- default
uvicorn.error:
level: INFO
uvicorn.access:
level: INFO
propagate: False
handlers:
- access |
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I'm experiecing the same problem as @mattiacampana and @nicoinn. I already upgraded uvicorn to the latest version: Error: Service: log_conf.yml |
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@houmie your error is in gunicron which tries to load a ini file, this is unrelated to uvicorn |
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That's strange. This only happens when I try to pass in If I don't do that it works fine. I even tried to load everything without gunicorn config. It keeps complaining about the yml file: What could I be missing, please? |
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again, this has nothing to do with uvicorn, you are passing a yaml log file to gunicorn while it expects a ini file: |
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Sorry my bad. I'm trying to get my head around this. So how would I pass in Based on the docs: https://www.uvicorn.org/#running-with-gunicorn I'm not seeing how to achieve that. Thanks |
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it's in the docs here https://www.uvicorn.org/deployment/#gunicorn
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Ah Thanks. I see. So it should look like this? /etc/app/config.py And then the gunicorn service loads it like this, correct? Is there a way to load the uvicorn.yml file into the sub class without the pain of translating every line into CONFIG_KWARGS by hand? |
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/trying to keep calm and not throw a RTFM... what about that ? please try not to hijack unrelated issues and read the docs, thanks |
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Please keep calm. Why are you so on the edge? I'm having a respectful and friendly conversation with you. Nobody is holding a gun against your head here. The documentation is not very comprehensive. It seems pointing to the subclass in the same |
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just run |
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¯_(ツ)_/¯ I have followed what you have suggested: /etc/systemd/system/app.service: A friendly reminder the subclass of MyUvicornWorker is in /etc/app/config.py. |
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adapt your path @houmie |
Any example for this? I want to log the request_id from nginx |
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@grillazz Thanks for the reference, but I just ended up using |
In the doc, there is the description of
--log-config <path>for the configuration of a config file. I think an example of config file could be really awesome for the new comers.Important
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