add memberlist and multi to allow list

Signed-off-by: SungJin1212 <tjdwls1201@gmail.com>

Author: SungJin1212

pkg/ha/ha_tracker.go

@@ -196,6 +196,12 @@ func (cfg *HATrackerConfig) Validate() error {
 		return fmt.Errorf(errInvalidFailoverTimeout, cfg.FailoverTimeout, minFailureTimeout)
 	}
 
+	// Tracker kv store only supports consul, etcd, memberlist, and multi.
+	storeAllowedList := []string{"consul", "etcd", "memberlist", "multi"}
+	if !slices.Contains(storeAllowedList, cfg.KVStore.Store) {
+		return fmt.Errorf("invalid HATracker KV store type: %s", cfg.KVStore.Store)
+	}
+
 	return nil
 }