From 2c4c953bf8997af13b0809e7e63079bd94726972 Mon Sep 17 00:00:00 2001
From: Guo Xiang Tan <gxtan1990@gmail.com>
Date: Mon, 29 Jun 2020 11:54:55 +0800
Subject: [PATCH] DEV: Avoid logging errors on bad Redis connection during PG
 failover.

---
 config/initializers/002-rails_failover.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/config/initializers/002-rails_failover.rb b/config/initializers/002-rails_failover.rb
index 40809c14cd2..0ec3857adf7 100644
--- a/config/initializers/002-rails_failover.rb
+++ b/config/initializers/002-rails_failover.rb
@@ -55,7 +55,10 @@ if defined?(RailsFailover::ActiveRecord)
       Discourse::PG_FORCE_READONLY_MODE_KEY
     )
   rescue => e
-    Rails.logger.warn "#{e.class} #{e.message}: #{e.backtrace.join("\n")}"
+    unless e.is_a?(Redis::CannotConnectError)
+      Rails.logger.warn "#{e.class} #{e.message}: #{e.backtrace.join("\n")}"
+    end
+
     false
   end
 end