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# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.
"""
An example showing how to add custom properties to logging telemetry.
"""
# mypy: disable-error-code="attr-defined"
import os
import logging
from opentelemetry._logs import (
get_logger_provider,
set_logger_provider,
)
from opentelemetry.sdk._logs import (
LoggerProvider,
LoggingHandler,
)
from opentelemetry.sdk._logs.export import BatchLogRecordProcessor
from azure.monitor.opentelemetry.exporter import AzureMonitorLogExporter
set_logger_provider(LoggerProvider())
exporter = AzureMonitorLogExporter.from_connection_string(os.environ["APPLICATIONINSIGHTS_CONNECTION_STRING"])
get_logger_provider().add_log_record_processor(BatchLogRecordProcessor(exporter))
# Attach LoggingHandler to namespaced logger
handler = LoggingHandler()
logger = logging.getLogger(__name__)
logger.addHandler(handler)
logger.setLevel(logging.DEBUG)
# Custom properties
logger.debug("DEBUG: Debug with properties", extra={"debug": "true"})
input()
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