Fix for bug 1433 - Exception when checking kafka status

Change-Id: I7811acab85ad88f1c691034bb07cdc464ad5b2b1
Signed-off-by: Atul Agarwal <Atul.Agarwal@Altran.com>
(cherry picked from commit 3e56247016997c027c9350b9515821a2bd92bc5c)
diff --git a/osm_mon/cmd/common_functions.py b/osm_mon/cmd/common_functions.py
index 5e4bff8..b85a90e 100644
--- a/osm_mon/cmd/common_functions.py
+++ b/osm_mon/cmd/common_functions.py
@@ -42,10 +42,13 @@
     # Check if kafka is ready
     while(True):
         port_in_use = False
-        # Logic to check kafka is ready
-        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
-            if s.connect_ex(("kafka", int(config.conf["message"].get("port")))) == 0:
-                port_in_use = True
+        try:
+            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+                if s.connect_ex(("kafka", int(config.conf["message"].get("port")))) == 0:
+                    port_in_use = True
+        except Exception as e:
+            logging.info("Error when trying to get kafka status.")
+            logging.debug("Exception when trying to get kafka status: %s", str(e))
         if port_in_use:
             break
         else: