Better error handling, Efforts to run non-root with occasional sudo

scripts/ucloud

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-
 import argparse
 import logging
 import importlib
@@ -8,13 +7,12 @@ import sys
 
 from logging.handlers import SysLogHandler
 
-from ucloud.configure.main import configure_parser
 from ucloud.common.logging import NoTracebackStreamHandler
+from ucloud.configure.main import configure_parser
 
 
 def exception_hook(exc_type, exc_value, exc_traceback):
-    logger = logging.getLogger(__name__)
-    logger.error(
+    logging.getLogger(__name__).error(
         'Uncaught exception',
         exc_info=(exc_type, exc_value, exc_traceback)
     )
@@ -22,7 +20,25 @@ def exception_hook(exc_type, exc_value, exc_traceback):
 
 sys.excepthook = exception_hook
 
+
 if __name__ == '__main__':
+    # Setting up root logger
+    logger = logging.getLogger()
+    logger.setLevel(logging.INFO)
+
+    syslog_handler = SysLogHandler(address='/dev/log')
+    syslog_handler.setLevel(logging.DEBUG)
+    syslog_formatter = logging.Formatter('%(pathname)s:%(lineno)d -- %(levelname)-8s %(message)s')
+    syslog_handler.setFormatter(syslog_formatter)
+
+    stream_handler = NoTracebackStreamHandler()
+    stream_handler.setLevel(logging.INFO)
+    stream_formatter = logging.Formatter('%(message)s')
+    stream_handler.setFormatter(stream_formatter)
+
+    logger.addHandler(syslog_handler)
+    logger.addHandler(stream_handler)
+
     arg_parser = argparse.ArgumentParser()
     subparsers = arg_parser.add_subparsers(dest="command")
     
@@ -46,21 +62,6 @@ if __name__ == '__main__':
     if not args.command:
         arg_parser.print_help()
     else:
-        # Setting up root logger
-        logger = logging.getLogger('ucloud')
-
-        syslog_handler = SysLogHandler(address='/dev/log')
-        syslog_handler.setLevel(logging.DEBUG)
-        syslog_formatter = logging.Formatter('%(pathname)s:%(lineno)d -- %(levelname)-8s %(message)s')
-        syslog_handler.setFormatter(syslog_formatter)
-
-        stream_handler = NoTracebackStreamHandler()
-        stream_handler.setLevel(logging.WARNING)
-        stream_formatter = logging.Formatter('%(message)s')
-        stream_handler.setFormatter(stream_formatter)
-
-        logger.addHandler(syslog_handler)
-        logger.addHandler(stream_handler)
 
         # if we start etcd in seperate process with default settings
         # i.e inheriting few things from parent process etcd3 module