core: log filenames of read config files

sat/memory/memory.py

@@ -237,7 +237,7 @@ class Memory(object):
         self.disco = Discovery(host)
         # XXX: tmp update code, will be removed in the future
         tools_config.fixLocalDir(False)
-        self.config = tools_config.parseMainConf()
+        self.config = tools_config.parseMainConf(log_filenames=True)
         database_file = os.path.expanduser(
             os.path.join(self.getConfig("", "local_dir"), C.SAVEFILE_DATABASE)
         )

sat/tools/config.py

@@ -99,13 +99,22 @@ def fixLocalDir(silent=True):
         fixConfigOption("", "local_dir", old_default, silent)
 
 
-def parseMainConf():
-    """look for main .ini configuration file, and parse it"""
+def parseMainConf(log_filenames=False):
+    """Look for main .ini configuration file, and parse it
+
+    @param log_filenames(bool): if True, log filenames of read config files
+    """
     config = ConfigParser(defaults=C.DEFAULT_CONFIG)
     try:
-        config.read(C.CONFIG_FILES)
+        filenames = config.read(C.CONFIG_FILES)
     except Exception as e:
         log.error(_("Can't read main config: {msg}").format(msg=e), exc_info=True)
+    else:
+        if log_filenames:
+            log.info(
+                _("Configuration was read from: {filenames}").format(
+                    filenames=', '.join(filenames)))
+
     return config