From c6f6bae0df1959cf1d2551b743d4a38ad121a8ad Mon Sep 17 00:00:00 2001
From: Maksim Fedotov <m_fedotov@wargaming.net>
Date: Thu, 12 Mar 2020 20:12:21 +0300
Subject: [PATCH] skip AddReplicaKey if it is specified in
 config.Config.DiscoveryIgnoreReplicaHostnameFilters

---
 go/inst/instance_dao.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/go/inst/instance_dao.go b/go/inst/instance_dao.go
index ea7ce4fcd..3cc968e41 100644
--- a/go/inst/instance_dao.go
+++ b/go/inst/instance_dao.go
@@ -604,7 +604,9 @@ func ReadTopologyInstanceBufferable(instanceKey *InstanceKey, bufferWrites bool,
 
 				replicaKey, err := NewResolveInstanceKey(host, port)
 				if err == nil && replicaKey.IsValid() {
-					instance.AddReplicaKey(replicaKey)
+					if !RegexpMatchPatterns(replicaKey.StringCode(), config.Config.DiscoveryIgnoreReplicaHostnameFilters) {
+						instance.AddReplicaKey(replicaKey)
+					}
 					foundByShowSlaveHosts = true
 				}
 				return err
@@ -632,7 +634,9 @@ func ReadTopologyInstanceBufferable(instanceKey *InstanceKey, bufferWrites bool,
 						logReadTopologyInstanceError(instanceKey, "ResolveHostname: processlist", resolveErr)
 					}
 					replicaKey := InstanceKey{Hostname: cname, Port: instance.Key.Port}
-					instance.AddReplicaKey(&replicaKey)
+					if !RegexpMatchPatterns(replicaKey.StringCode(), config.Config.DiscoveryIgnoreReplicaHostnameFilters) {
+						instance.AddReplicaKey(&replicaKey)
+					}
 					return err
 				})