From: Shweta Bhosale <Shweta.Bhosale1@ibm.com>
Date: Fri, 24 Oct 2025 11:00:16 +0000 (+0530)
Subject: mgr/cephadm: For updating NFS backends in HAProxy, send a SIGHUP signal to reload... 
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=3fd005168b7687cd3a615a9c00e5a2746f43df90;p=ceph-ci.git

mgr/cephadm: For updating NFS backends in HAProxy, send a SIGHUP signal to reload the configuration instead of restart
Fixes: https://tracker.ceph.com/issues/73633

Signed-off-by: Shweta Bhosale <Shweta.Bhosale1@ibm.com>
Resolves: rhbz#2401776

 Conflicts:
	src/pybind/mgr/cephadm/serve.py
---

diff --git a/src/pybind/mgr/cephadm/serve.py b/src/pybind/mgr/cephadm/serve.py
index de04c50c0a3..32ac4de8505 100644
--- a/src/pybind/mgr/cephadm/serve.py
+++ b/src/pybind/mgr/cephadm/serve.py
@@ -1385,6 +1385,17 @@ class CephadmServe:
                     else:
                         skip_restart_for_reconfig = True
                         send_signal_to_daemon = 'SIGHUP'
+                elif dd.daemon_type == 'haproxy':
+                    if spec and hasattr(spec, 'backend_service'):
+                        backend_spec = self.mgr.spec_store[spec.backend_service].spec
+                        if backend_spec.service_type == 'nfs':
+                            if all(s.startswith(f'nfs.{backend_spec.service_id}') for s in list(sym_diff)):
+                                # this means only nfs daemons has changed and we don't need to
+                                # restart haproxy during redeploy
+                                self.log.debug(f'Reconfigure HAProxy daemon {dd.name()} with SIGHUP '
+                                               'due to change in NFS backend.')
+                                skip_restart_for_reconfig = True
+                                send_signal_to_daemon = 'SIGHUP'
             elif dd.daemon_type == 'haproxy':
                 if spec and hasattr(spec, 'backend_service'):
                     backend_spec = self.mgr.spec_store[spec.backend_service].spec