refactor all keys to be upper case

Author: Victoria Hall

azure_functions_worker/dispatcher.py

@@ -59,7 +59,8 @@
 )
 from .utils.app_setting_manager import get_python_appsetting_state
 from .utils.common import validate_script_file_name
-from .utils.config_manager import read_config, is_envvar_true, get_app_setting
+from .utils.config_manager import (clear_config, read_config,
+                                   is_envvar_true, get_app_setting)
 from .utils.dependency import DependencyManager
 from .utils.tracing import marshall_exception_trace
 from .utils.wrappers import disable_feature_by
@@ -814,6 +815,7 @@ async def _handle__function_environment_reload_request(self, request):
 
             # Reload environment variables
             os.environ.clear()
+            clear_config()
             env_vars = func_env_reload_request.environment_variables
             for var in env_vars:
                 os.environ[var] = env_vars[var]

azure_functions_worker/utils/config_manager.py

@@ -20,10 +20,12 @@ def read_config(function_path: str):
             config_data = full_config_data.get("PYTHON")
     except FileNotFoundError:
         pass
-    env_copy = os.environ
-    # updates the config dictionary with the environment variables
+
+        # updates the config dictionary with the environment variables
     # this prioritizes set env variables over the config file
-    config_data.update(env_copy)
+    env_copy = os.environ
+    for k, v in env_copy.items():
+        config_data.update({k.upper(): v})
 
 
 def config_exists() -> bool: