python specific app setting logs added

CODEOWNERS

@@ -10,4 +10,4 @@
 # For all file changes, github would automatically
 # include the following people in the PRs.
 
-* @vrdmr @gavin-aguiar @YunchuWang @pdthummar
+* @vrdmr @gavin-aguiar @YunchuWang @pdthummar @hallvictoria

azure_functions_worker/constants.py

@@ -1,5 +1,6 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
+import os
 import sys
 
 # Capabilities
@@ -53,3 +54,45 @@
 
 # Paths
 CUSTOMER_PACKAGES_PATH = "/home/site/wwwroot/.python_packages/lib/site-packages"
+
+
+def get_python_appsetting_state():
+    app_settings = {
+        "PYTHON_ROLLBACK_CWD_PATH":
+        get_statement(PYTHON_ROLLBACK_CWD_PATH,
+                      ""),
+        "PYTHON_THREADPOOL_THREAD_COUNT":
+        get_statement(PYTHON_THREADPOOL_THREAD_COUNT,
+                      PYTHON_THREADPOOL_THREAD_COUNT_DEFAULT),
+        "PYTHON_ISOLATE_WORKER_DEPENDENCIES":
+        get_statement(PYTHON_ISOLATE_WORKER_DEPENDENCIES,
+                      PYTHON_ISOLATE_WORKER_DEPENDENCIES_DEFAULT),
+        "PYTHON_ENABLE_WORKER_EXTENSIONS":
+        get_statement(PYTHON_ENABLE_WORKER_EXTENSIONS,
+                      PYTHON_ENABLE_WORKER_EXTENSIONS_DEFAULT),
+            "PYTHON_ENABLE_DEBUG_LOGGING":
+        get_statement(PYTHON_ENABLE_DEBUG_LOGGING,
+                      "0"),
+        "FUNCTIONS_WORKER_SHARED_MEMORY_DATA_TRANSFER_ENABLED":
+        get_statement(FUNCTIONS_WORKER_SHARED_MEMORY_DATA_TRANSFER_ENABLED,
+                      "0")
+    }
+
+    # convert to string
+    app_settings_string = ""
+    for item in app_settings:
+        app_settings_string += item + ": " + app_settings[item] + " "
+
+    return app_settings_string
+
+
+def get_statement(app_setting, default_value):
+    app_setting_state = os.getenv(app_setting)
+
+    if app_setting_state is None:
+        app_setting_state = str(default_value)
+
+    if app_setting in os.environ:
+        return "set to " + app_setting_state + " by customer"
+    else:
+        return "set to " + app_setting_state + " by default"

azure_functions_worker/dispatcher.py

@@ -21,12 +21,15 @@
 
 from . import bindings, constants, functions, loader, protos
 from .bindings.shared_memory_data_transfer import SharedMemoryManager
-from .constants import (PYTHON_THREADPOOL_THREAD_COUNT,
+from .constants import (PYTHON_ROLLBACK_CWD_PATH,
+                        PYTHON_THREADPOOL_THREAD_COUNT,
                         PYTHON_THREADPOOL_THREAD_COUNT_DEFAULT,
                         PYTHON_THREADPOOL_THREAD_COUNT_MAX_37,
                         PYTHON_THREADPOOL_THREAD_COUNT_MIN,
-                        PYTHON_ENABLE_DEBUG_LOGGING, SCRIPT_FILE_NAME,
-                        PYTHON_LANGUAGE_RUNTIME, CUSTOMER_PACKAGES_PATH)
+                        PYTHON_ENABLE_DEBUG_LOGGING,
+                        SCRIPT_FILE_NAME,
+                        PYTHON_LANGUAGE_RUNTIME, CUSTOMER_PACKAGES_PATH,
+                        get_python_appsetting_state)
 from .extension import ExtensionManager
 from .logging import disable_console_logging, enable_console_logging
 from .logging import (logger, error_logger, is_system_log_category,
@@ -265,11 +268,14 @@ async def _handle__worker_init_request(self, request):
                     'python version %s, '
                     'worker version %s, '
                     'request ID %s.'
+                    'App Settings state: %s.'
                     ' To enable debug level logging, please refer to '
                     'https://aka.ms/python-enable-debug-logging',
                     sys.version,
                     VERSION,
-                    self.request_id)
+                    self.request_id,
+                    get_python_appsetting_state()
+                    )
 
         worker_init_request = request.worker_init_request
         host_capabilities = worker_init_request.capabilities
@@ -546,9 +552,11 @@ async def _handle__function_environment_reload_request(self, request):
         try:
             logger.info('Received FunctionEnvironmentReloadRequest, '
                         'request ID: %s,'
+                        'App Settings state: %s.',
                         ' To enable debug level logging, please refer to '
                         'https://aka.ms/python-enable-debug-logging',
-                        self.request_id)
+                        self.request_id,
+                        get_python_appsetting_state())
 
             func_env_reload_request = \
                 request.function_environment_reload_request
@@ -689,7 +697,7 @@ def _get_context(invoc_request: protos.InvocationRequest, name: str,
             name, directory, invoc_request.invocation_id,
             _invocation_id_local, trace_context, retry_context)
 
-    @disable_feature_by(constants.PYTHON_ROLLBACK_CWD_PATH)
+    @disable_feature_by(PYTHON_ROLLBACK_CWD_PATH)
     def _change_cwd(self, new_cwd: str):
         if os.path.exists(new_cwd):
             os.chdir(new_cwd)