Feat rc_util add function

added get_args function: return parsed args support -v, --verbose and -n, --dry-run arguments now. added get_logger function: return a logger instance

the default logger format will be: TIME [MODULE_NAME] - MESSAGE the default logging level is WARNING

rc_util.py

+import logging
 import argparse
 from rc_rmq import RCRMQ
 import json
@@ -5,6 +6,7 @@ import json
 rc_rmq = RCRMQ({'exchange': 'Register'})
 confirm_rmq = RCRMQ({'exchange': 'Confirm'})
 tasks = {'ohpc_account': False, 'ohpc_homedir': False, 'ood_account': False, 'slurm_account': False}
+logger_fmt = '%(asctime)s [%(module)s] - %(message)s'
 
 def add_account(username, full='', reason=''):
   rc_rmq.publish_msg({
@@ -49,3 +51,19 @@ def get_args():
     parser.add_argument('-v', '--verbose', action='store_true', help='verbose output')
     parser.add_argument('-n', '--dry-run', action='store_true', help='enable dry run mode')
     return parser.parse_args()
+
+def get_logger(args=None):
+    if args is None:
+        args = get_args()
+
+    logger_lvl = logging.WARNING
+
+    if args.verbose:
+        logger_lvl = logging.DEBUG
+
+    if args.dry_run:
+        logger_lvl = logging.INFO
+
+    logging.basicConfig(format=logger_fmt, level=logger_lvl)
+    return logging.getLogger(__name__)
+