Reduced logging level to trace.

* In order to do the above, we switch the standard library's logging logger class as soon as possible with our own version which includes `trace()` and `garbage()`. Might also fix saltstack/salt-cloud#186.

salt/loader.py

@@ -615,8 +615,7 @@ class Loader(object):
                     # now that callable passes all the checks, add it to the
                     # library of available functions of this type
                     funcs[attr_name] = func
-                    log.debug('Added {0} to {1}'.format(attr_name,
-                                                        self.tag))
+                    log.trace('Added {0} to {1}'.format(attr_name, self.tag))
                     self._apply_outputter(func, mod)
 
         # now that all the functions have been collected, iterate back over

salt/log.py

@@ -106,22 +106,20 @@ class Logging(LoggingLoggerClass):
         return LoggingLoggerClass.log(self, TRACE, msg, *args, **kwargs)
 
 
-def getLogger(name):
-    init()
-    return logging.getLogger(name)
-
-
-def init():
+if logging.getLoggerClass() is not Logging:
     '''
     Replace the default system logger with a version that includes trace()
     and garbage() methods.
     '''
-    if logging.getLoggerClass() is not Logging:
-        logging.setLoggerClass(Logging)
-        logging.addLevelName(TRACE, 'TRACE')
-        logging.addLevelName(GARBAGE, 'GARBAGE')
-        # Set the root logger at the lowest level possible
-        logging.getLogger().setLevel(GARBAGE)
+    logging.setLoggerClass(Logging)
+    logging.addLevelName(TRACE, 'TRACE')
+    logging.addLevelName(GARBAGE, 'GARBAGE')
+    # Set the root logger at the lowest level possible
+    logging.getLogger().setLevel(GARBAGE)
+
+
+def getLogger(name):
+    return logging.getLogger(name)
 
 
 def setup_console_logger(log_level='error', log_format=None, date_format=None):
@@ -132,8 +130,6 @@ def setup_console_logger(log_level='error', log_format=None, date_format=None):
         logging.getLogger(__name__).warn('Console logging already configured')
         return
 
-    init()
-
     if log_level is None:
         log_level = 'warning'
 
@@ -183,8 +179,6 @@ def setup_logfile_logger(log_path, log_level='error', log_format=None,
         logging.getLogger(__name__).warn('Logfile logging already configured')
         return
 
-    init()
-
     if log_level is None:
         log_level = 'warning'
 
@@ -295,7 +289,6 @@ def set_logger_level(logger_name, log_level='error'):
     '''
     Tweak a specific logger's logging level
     '''
-    init()
     logging.getLogger(logger_name).setLevel(
         LOG_LEVELS.get(log_level.lower(), logging.ERROR)
     )