import logging
from collections import namedtuple
from logging.config import dictConfig


class MyHandler(logging.StreamHandler):
    def __init__(self, resource, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.resource: namedtuple = resource
    
    def emit(self, record):
        record.msg += f" {self.resource.type}"
        return super().emit(record)


Resource = namedtuple("Resource", ["type", "labels"])
resource = Resource(type="my_type", labels=["a"])

dictConfig({
    "version": 1,
    "handlers": {
        "myhandler": {
            "class": "__main__.MyHandler",
            "resource": resource
        }
    },
    "root":  {"level": "INFO", "handlers": ["myhandler"]},
})


logging.info("some log")