Adding service_variant and a little pep8 cleanup

common/lib/logsettings.py

@@ -5,6 +5,7 @@ from logging.handlers import SysLogHandler
 
 LOG_LEVELS = ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL']
 
+
 def get_logger_config(log_dir,
                       logging_env="no_env",
                       tracking_filename="tracking.log",
@@ -13,7 +14,8 @@ def get_logger_config(log_dir,
                       syslog_addr=None,
                       debug=False,
                       local_loglevel='INFO',
-                      console_loglevel=None):
+                      console_loglevel=None,
+                      service_variant=None):
 
     """
 
@@ -39,13 +41,15 @@ def get_logger_config(log_dir,
         console_loglevel = 'DEBUG' if debug else 'INFO'
 
     hostname = platform.node().split(".")[0]
-    syslog_format = ("[%(name)s][env:{logging_env}] %(levelname)s "
+    syslog_format = ("[service_variant={service_variant}]"
+                     "[%(name)s][env:{logging_env}] %(levelname)s "
                      "[{hostname}  %(process)d] [%(filename)s:%(lineno)d] "
-                     "- %(message)s").format(
-                        logging_env=logging_env, hostname=hostname)
+                     "- %(message)s").format(service_variant=service_variant,
+                                             logging_env=logging_env,
+                                             hostname=hostname)
 
     handlers = ['console', 'local'] if debug else ['console',
-                                'syslogger-remote', 'local']
+                                                   'syslogger-remote', 'local']
 
     logger_config = {
         'version': 1,