added logger with config

Author: AjitPadhi-Microsoft

src/backend/.env.sample

@@ -33,3 +33,8 @@ AZURE_AI_SEARCH_INDEX_NAME=
 AZURE_AI_SEARCH_ENDPOINT=
 AZURE_AI_SEARCH_API_KEY=
 BING_CONNECTION_NAME=
+
+# Basic application logging (default: INFO level)
+AZURE_BASIC_LOGGING_LEVEL=INFO
+# Azure package logging (default: WARNING level to suppress INFO)
+AZURE_PACKAGE_LOGGING_LEVEL=WARNING

src/backend/app_kernel.py

@@ -60,23 +60,19 @@ async def lifespan(app: FastAPI):
         "No Application Insights Instrumentation Key found. Skipping configuration"
     )
 
-# Configure logging
-logging.basicConfig(level=logging.INFO)
-
-# Suppress INFO logs from 'azure.core.pipeline.policies.http_logging_policy'
-logging.getLogger("azure.core.pipeline.policies.http_logging_policy").setLevel(
-    logging.WARNING
-)
-logging.getLogger("azure.identity.aio._internal").setLevel(logging.WARNING)
-
-# # Suppress info logs from OpenTelemetry exporter
-logging.getLogger("azure.monitor.opentelemetry.exporter.export._base").setLevel(
-    logging.WARNING
-)
-
-logging.getLogger("opentelemetry.sdk").setLevel(
-    logging.ERROR
-)
+# Configure logging levels from environment variables
+logging.basicConfig(level=getattr(logging, config.AZURE_BASIC_LOGGING_LEVEL.upper(), logging.INFO))
+
+# Configure Azure package logging levels
+azure_level = getattr(logging, config.AZURE_PACKAGE_LOGGING_LEVEL.upper(), logging.WARNING)
+for logger_name in [
+    "azure.core.pipeline.policies.http_logging_policy",
+    "azure.identity.aio._internal",
+    "azure.monitor.opentelemetry.exporter.export._base"
+]:
+    logging.getLogger(logger_name).setLevel(azure_level)
+
+logging.getLogger("opentelemetry.sdk").setLevel(logging.ERROR)
 
 # Initialize the FastAPI app
 app = FastAPI(lifespan=lifespan)

src/backend/common/config/app_config.py

@@ -73,6 +73,10 @@ def __init__(self):
         # Azure Search settings
         self.AZURE_SEARCH_ENDPOINT = self._get_optional("AZURE_AI_SEARCH_ENDPOINT")
 
+        # Logging settings
+        self.AZURE_BASIC_LOGGING_LEVEL = self._get_optional("AZURE_BASIC_LOGGING_LEVEL", "INFO")
+        self.AZURE_PACKAGE_LOGGING_LEVEL = self._get_optional("AZURE_PACKAGE_LOGGING_LEVEL", "WARNING")
+
         # Optional MCP server endpoint (for local MCP server or remote)
         # Example: http://127.0.0.1:8000/mcp
         self.MCP_SERVER_ENDPOINT = self._get_optional("MCP_SERVER_ENDPOINT")