create log file only if it doesn't exist

Change-Id: I97e4f0cf8f27ff719253967ac14e74bcd55b0559
Signed-off-by: Periyasamy Palanisamy <periyasamy.palanisamy@ericsson.com>

diff --git a/sdnvpn/lib/logutil.py b/sdnvpn/lib/logutil.py
index 78f6e96..3765734 100644 (file)
--- a/sdnvpn/lib/logutil.py
+++ b/sdnvpn/lib/logutil.py
@@ -8,6 +8,7 @@
 # http://www.apache.org/licenses/LICENSE-2.0
 #
 import logging
+import os.path
 
 from xtesting.core import feature
 
@@ -15,6 +16,7 @@ from xtesting.core import feature
 def getLogger(module_name):
     logger = logging.getLogger(module_name)
     log_file = "{}/{}.log".format("/var/lib/xtesting/results", "bgpvpn")
-    open(log_file, 'w+')
+    if not os.path.exists(log_file):
+        open(log_file, 'w+')
     feature.Feature.configure_logger(logger, log_file)
     return logger