From c3e2d79e837b165fceeacb4b1b8197af314b6df0 Mon Sep 17 00:00:00 2001
From: Pavel Rochnyack <pavel2000@ngs.ru>
Date: Sun, 17 Jun 2018 16:10:54 +0700
Subject: [PATCH] redis plugin: Check for / report connection errors

---
 src/redis.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/redis.c b/src/redis.c
index 68158ed2..9568fc57 100644
--- a/src/redis.c
+++ b/src/redis.c
@@ -423,8 +423,13 @@ static int redis_read(void) /* {{{ */
 
     rh = redisConnectWithTimeout((char *)rn->host, rn->port, rn->timeout);
     if (rh == NULL) {
-      ERROR("redis plugin: unable to connect to node `%s' (%s:%d).", rn->name,
-            rn->host, rn->port);
+      ERROR("redis plugin: can't allocate redis context");
+      continue;
+    }
+    if (rh->err) {
+      ERROR("redis plugin: unable to connect to node `%s' (%s:%d): %s.",
+            rn->name, rn->host, rn->port, rh->errstr);
+      redisFree(rh);
       continue;
     }
 
-- 
2.11.0