From: Casey Bodley <cbodley@redhat.com>
Date: Wed, 10 Jun 2020 14:53:55 +0000 (-0400)
Subject: rgw: stop realm reloader before store shutdown
X-Git-Tag: v15.2.5~6^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=884ca48cbe967f7b2b652ce079de2e285e197c28;p=ceph.git

rgw: stop realm reloader before store shutdown

otherwise the two could race to destroy the store

Fixes: https://tracker.ceph.com/issues/45969

Signed-off-by: Casey Bodley <cbodley@redhat.com>
(cherry picked from commit 7787dfb4926dcc2baa7530b620ae8cfccf90bc30)
---

diff --git a/src/rgw/rgw_main.cc b/src/rgw/rgw_main.cc
index e50b5a7161a6..5d189b8b7ac0 100644
--- a/src/rgw/rgw_main.cc
+++ b/src/rgw/rgw_main.cc
@@ -600,10 +600,11 @@ int radosgw_Main(int argc, const char **argv)
   // add a watcher to respond to realm configuration changes
   RGWPeriodPusher pusher(store);
   RGWFrontendPauser pauser(fes, implicit_tenant_context, &pusher);
-  RGWRealmReloader reloader(store, service_map_meta, &pauser);
+  std::optional<RGWRealmReloader> reloader(std::in_place, store,
+                                           service_map_meta, &pauser);
 
   RGWRealmWatcher realm_watcher(g_ceph_context, store->svc()->zone->get_realm());
-  realm_watcher.add_watcher(RGWRealmNotify::Reload, reloader);
+  realm_watcher.add_watcher(RGWRealmNotify::Reload, *reloader);
   realm_watcher.add_watcher(RGWRealmNotify::ZonesNeedPeriod, pusher);
 
 #if defined(HAVE_SYS_PRCTL_H)
@@ -616,6 +617,8 @@ int radosgw_Main(int argc, const char **argv)
 
   derr << "shutting down" << dendl;
 
+  reloader.reset(); // stop the realm reloader
+
   for (list<RGWFrontend *>::iterator liter = fes.begin(); liter != fes.end();
        ++liter) {
     RGWFrontend *fe = *liter;