From e66cc0d858e4c0650ce3a0bb99a5fdadfa4cb1a2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorben=20G=C3=BCnther?= <admin@xenrox.net>
Date: Mon, 10 Jul 2023 12:20:16 +0200
Subject: [PATCH] cache/redis: Try to ping redis on cache creation

Otherwise the bridge would continue to run even if the cache is not
available.
---
 cache/redis.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cache/redis.go b/cache/redis.go
index 970130c..3975e71 100644
--- a/cache/redis.go
+++ b/cache/redis.go
@@ -22,9 +22,13 @@ func NewRedisCache(redisURL string, d time.Duration) (Cache, error) {
 	}
 
 	rdb := redis.NewClient(ropts)
+	err = rdb.Ping(context.Background()).Err()
+	if err != nil {
+		return nil, err
+	}
+
 	c.client = rdb
 	c.duration = d
-
 	return c, nil
 }