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import requests
from urllib.parse import urljoin
from opentelemetry.exporter.otlp.proto.http._log_exporter import OTLPLogExporter
from opentelemetry.exporter.otlp.proto.http import Compression
from opentelemetry.sdk._logs import LoggerProvider as SDKLoggerProvider
from opentelemetry.sdk._logs._internal import SynchronousMultiLogRecordProcessor
from opentelemetry.sdk._logs.export import BatchLogRecordProcessor
from ..log import LoggerProvider
class OTLPLoggerProvider(LoggerProvider):
def __init__(self,
backend: str = None,
base_url: str = None,
write_token: str = None,
**kwargs
) -> None:
self._logger_provider = _build_otlp_privider(backend=backend,
base_url=base_url,
write_token=write_token)
def _build_otlp_privider(backend: str = None, base_url: str = None, write_token: str = None):
"""Build the otlp provider.
Args:
backends: The backends to use.
write_token: The write token to use.
**kwargs: Additional keyword arguments to pass to the provider.
Returns:
The otlp provider.
"""
backend = backend or "logfire"
if backend == "logfire":
log_exporter = _configure_logfire_exporter(write_token=write_token, base_url=base_url)
else:
raise ValueError(f"Unknown backend: {backend}")
otlp_log_processor = BatchLogRecordProcessor(log_exporter)
multi_log_processor = SynchronousMultiLogRecordProcessor()
multi_log_processor.add_log_record_processor(otlp_log_processor)
logger_provider = SDKLoggerProvider()
logger_provider.add_log_record_processor(multi_log_processor)
return logger_provider
def _configure_logfire_exporter(write_token: str, base_url: str = None) -> None:
"""Configure the Logfire exporter.
Args:
write_token: The write token to use.
base_url: The base URL to use.
**kwargs: Additional keyword arguments to pass to the exporter.
"""
base_url = base_url or "https://logfire-us.pydantic.dev"
headers = {'User-Agent': f'logfire/3.14.0', 'Authorization': write_token}
session = requests.Session()
session.headers.update(headers)
return OTLPLogExporter(
endpoint=urljoin(base_url, '/v1/logs'),
session=session,
compression=Compression.Gzip,
)
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