From 52366f33e5f7b367e392bf00a6183d5561abba8f Mon Sep 17 00:00:00 2001
From: Kamil Braun <kbraun@scylladb.com>
Date: Thu, 30 Mar 2023 15:55:51 +0200
Subject: [PATCH] service/raft: group0_state_machine: signal topology state
 machine in `load_snapshot`

The `_topology_state_machine.event` condition variable should be
signalled whenever the topology state is updated, including on snapshot
load.
---
 service/raft/group0_state_machine.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/service/raft/group0_state_machine.cc b/service/raft/group0_state_machine.cc
index c48b678a9c..9107babdfe 100644
--- a/service/raft/group0_state_machine.cc
+++ b/service/raft/group0_state_machine.cc
@@ -128,6 +128,7 @@ future<> group0_state_machine::load_snapshot(raft::snapshot_id id) {
     // memory and thus needs to be protected with apply mutex
     auto read_apply_mutex_holder = co_await get_units(_client._read_apply_mutex, 1);
     co_await _ss.topology_state_load();
+    _ss._topology_state_machine.event.signal();
 }
 
 future<> group0_state_machine::transfer_snapshot(gms::inet_address from, raft::snapshot_descriptor snp) {