From 240eb3abce04ec9bdddf168196e634a9fcf76e02 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9?= <andre.peters@servercow.de>
Date: Tue, 24 Jul 2018 23:30:18 +0200
Subject: [PATCH] [Netfilter] Wait for Redis instead of exiting with an
 exception

---
 data/Dockerfiles/netfilter/server.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/data/Dockerfiles/netfilter/server.py b/data/Dockerfiles/netfilter/server.py
index 47c7539e..9bf4a084 100644
--- a/data/Dockerfiles/netfilter/server.py
+++ b/data/Dockerfiles/netfilter/server.py
@@ -14,7 +14,16 @@ import time
 import json
 import iptc
 
-r = redis.StrictRedis(host=os.getenv('IPV4_NETWORK', '172.22.1') + '.249', decode_responses=True, port=6379, db=0)
+while True:
+  try:
+    r = redis.StrictRedis(host=os.getenv('IPV4_NETWORK', '172.22.1') + '.249', decode_responses=True, port=6379, db=0)
+    r.ping()
+  except Exception as ex:
+    print '%s - trying again in 3 seconds'  % (ex)
+    time.sleep(3)
+  else:
+    break
+
 pubsub = r.pubsub()
 
 RULES = {}