microsoft · jeremydvoss · Jan 19, 2023 · Jan 12, 2023 · Jan 19, 2023
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+- Added Status Logger
+    ([#217](https://github.com/microsoft/ApplicationInsights-Python/pull/217))
 - Added Diagnostic Logging for App Service
     ([#212](https://github.com/microsoft/ApplicationInsights-Python/pull/212))
 - Updated main and distro READMEs

@@ -27,9 +27,6 @@
     if _SUBSCRIPTION_ID_ENV_VAR
     else None
 )
-_opentelemetry_logger = logging.getLogger(
-    _OPENTELEMETRY_DIAGNOSTIC_LOGGER_NAME
-)
 _logger = logging.getLogger(__name__)
 _DIAGNOSTIC_LOG_PATH = _get_log_path()
 

@@ -0,0 +1,54 @@
+# -------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License in the project root for
+# license information.
+# --------------------------------------------------------------------------
+
+from json import dumps
+from os import getpid, makedirs
+from os.path import exists, join
+from platform import node
+
+from azure.monitor.opentelemetry.distro._constants import (
+    _CUSTOMER_IKEY,
+    _EXTENSION_VERSION,
+    _IS_DIAGNOSTICS_ENABLED,
+    _get_log_path,
+)
+from azure.monitor.opentelemetry.distro._version import VERSION
+
+_MACHINE_NAME = node()
+_STATUS_LOG_PATH = _get_log_path(status_log_path=True)
+
+
+class AzureStatusLogger:
+    def _get_status_json(agent_initialized_successfully, pid, reason=None):
+        status_json = {
+            "AgentInitializedSuccessfully": agent_initialized_successfully,
+            "AppType": "python",
+            "MachineName": _MACHINE_NAME,
+            "PID": pid,
+            "SdkVersion": VERSION,
+            "Ikey": _CUSTOMER_IKEY,
+            "ExtensionVersion": _EXTENSION_VERSION,
+        }
+        if reason:
+            status_json["Reason"] = reason
+        return status_json
+
+    def log_status(agent_initialized_successfully, reason=None):
+        if _IS_DIAGNOSTICS_ENABLED and _STATUS_LOG_PATH:
+            pid = getpid()
+            status_json = AzureStatusLogger._get_status_json(
+                agent_initialized_successfully, pid, reason
+            )
+            if not exists(_STATUS_LOG_PATH):
+                makedirs(_STATUS_LOG_PATH)
+            # Change to be hostname and pid
+            status_logger_file_name = f"status_{_MACHINE_NAME}_{pid}.json"
+            with open(
+                join(_STATUS_LOG_PATH, status_logger_file_name), "w"
+            ) as f:
+                f.seek(0)
+                f.write(dumps(status_json))
+                f.truncate()
@@ -5,7 +5,7 @@
 # --------------------------------------------------------------------------
 
 
-from azure.monitor.opentelemetry.distro._diagnostic_logging import (
+from azure.monitor.opentelemetry.distro._diagnostics._diagnostic_logging import (
     AzureDiagnosticLogging,
 )
 from opentelemetry.sdk._configuration import _OTelSDKConfigurator

@@ -6,9 +6,12 @@
 import logging
 from os import environ
 
-from azure.monitor.opentelemetry.distro._diagnostic_logging import (
+from azure.monitor.opentelemetry.distro._diagnostics._diagnostic_logging import (
     AzureDiagnosticLogging,
 )
+from azure.monitor.opentelemetry.distro._diagnostics._status_logger import (
+    AzureStatusLogger,
+)
 from opentelemetry.environment_variables import (
     OTEL_METRICS_EXPORTER,
     OTEL_TRACES_EXPORTER,
@@ -34,6 +37,7 @@ def _configure(self, **kwargs) -> None:
 
 def _configure_auto_instrumentation() -> None:
     try:
+        AzureStatusLogger.log_status(False, "Distro being configured.")
         AzureDiagnosticLogging.enable(_logger)
         AzureDiagnosticLogging.enable(_opentelemetry_logger)
         # TODO: Enabled when duplicate logging issue is solved
@@ -51,10 +55,12 @@ def _configure_auto_instrumentation() -> None:
         environ.setdefault(
             OTEL_TRACES_EXPORTER, "azure_monitor_opentelemetry_exporter"
         )
+        AzureStatusLogger.log_status(True)
         _logger.info(
             "Azure Monitor OpenTelemetry Distro configured successfully."
         )
     except Exception as exc:
+        AzureStatusLogger.log_status(False, reason=exc)
         _logger.error(
             "Azure Monitor OpenTelemetry Distro failed during "
             + f"configuration: {exc}"

@@ -12,7 +12,7 @@
 from unittest import TestCase
 from unittest.mock import patch
 
-import azure.monitor.opentelemetry.distro._diagnostic_logging as diagnostic_logger
+import azure.monitor.opentelemetry.distro._diagnostics._diagnostic_logging as diagnostic_logger
 
 TEST_LOGGER_PATH = str(Path.home())
 TEST_DIAGNOSTIC_LOGGER_FILE_NAME = "test-applicationinsights-extension.log"
@@ -88,27 +88,27 @@ def set_up(
     reload(diagnostic_logger)
     assert not diagnostic_logger.AzureDiagnosticLogging._initialized
     patch(
-        "azure.monitor.opentelemetry.distro._diagnostic_logging._DIAGNOSTIC_LOG_PATH",
+        "azure.monitor.opentelemetry.distro._diagnostics._diagnostic_logging._DIAGNOSTIC_LOG_PATH",
         TEST_LOGGER_PATH,
     ).start()
     patch(
-        "azure.monitor.opentelemetry.distro._diagnostic_logging._DIAGNOSTIC_LOGGER_FILE_NAME",
+        "azure.monitor.opentelemetry.distro._diagnostics._diagnostic_logging._DIAGNOSTIC_LOGGER_FILE_NAME",
         TEST_DIAGNOSTIC_LOGGER_FILE_NAME,
     ).start()
     patch(
-        "azure.monitor.opentelemetry.distro._diagnostic_logging._CUSTOMER_IKEY",
+        "azure.monitor.opentelemetry.distro._diagnostics._diagnostic_logging._CUSTOMER_IKEY",
         TEST_CUSTOMER_IKEY,
     ).start()
     patch(
-        "azure.monitor.opentelemetry.distro._diagnostic_logging._EXTENSION_VERSION",
+        "azure.monitor.opentelemetry.distro._diagnostics._diagnostic_logging._EXTENSION_VERSION",
         TEST_EXTENSION_VERSION,
     ).start()
     patch(
-        "azure.monitor.opentelemetry.distro._diagnostic_logging.VERSION",
+        "azure.monitor.opentelemetry.distro._diagnostics._diagnostic_logging.VERSION",
         TEST_VERSION,
     ).start()
     patch(
-        "azure.monitor.opentelemetry.distro._diagnostic_logging._IS_DIAGNOSTICS_ENABLED",
+        "azure.monitor.opentelemetry.distro._diagnostics._diagnostic_logging._IS_DIAGNOSTICS_ENABLED",
         is_diagnostics_enabled,
     ).start()
     diagnostic_logger.AzureDiagnosticLogging.enable(logger)