Use consistent program name

Make sure that the consistent program name is always set,so that
the same config sub-directory ( /etc/{project}/{prog}.conf.d ) is used
after migration to WSGI server + entry point.

Closes-Bug: #2098514
Change-Id: I71361ebbc5c76bd92e0b181704f22cf2f4df5241
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

neutron/server/__init__.py

@@ -46,11 +46,12 @@ def _get_config_files(env=None):
     return [os.path.join(dirname, fname) for fname in files]
 
 
-def _init_configuration():
+def _init_configuration(prog=None):
     # the configuration will be read into the cfg.CONF global data structure
     conf_files = _get_config_files()
     config.register_common_config_options()
-    config.init(sys.argv[1:], default_config_files=conf_files)
+    config.init(sys.argv[1:], default_config_files=conf_files,
+                prog=prog)
     config.setup_logging()
     config.set_config_defaults()
     if not cfg.CONF.config_file:
@@ -59,7 +60,7 @@ def _init_configuration():
                    " the '--config-file' option!"))
 
 
-def boot_server(server_func):
+def boot_server(server_func, prog=None):
     # During the call to gmr.TextGuruMeditation.setup_autorun(), Guru
     # Meditation Report tries to start logging.
     # Set a handler here to accommodate this.
@@ -71,7 +72,7 @@ def boot_server(server_func):
     if not logger.handlers:
         logger.addHandler(sys_logging.StreamHandler())
 
-    _init_configuration()
+    _init_configuration(prog=prog)
     config.setup_gmr()
     try:
         return server_func()

neutron/wsgi/api.py

@@ -20,4 +20,4 @@ application = None
 lock = threading.Lock()
 with lock:
     if application is None:
-        application = server.boot_server(api.api_server)
+        application = server.boot_server(api.api_server, prog='neutron-api')