Haven't added the notes due to omitting "--notes" in my "git-format-path" 
command, sorry. 
Notes:
changes since v1:
* only the concrete ceph monitor log file is being chown'ed, meaning:
* the whole log directory is no longer being chown'ed
* no more globbing involed
* command passed as array
v1: https://lore.proxmox.com/all/[email protected]/ 
[https://lore.proxmox.com/all/[email protected]/]
On Wednesday, 12/17/2025, 09:38, Dominik Rusovac <[email protected]> wrote:

From : Dominik Rusovac <[email protected]>
Sent on : Wednesday, 12/17/2025, 09:38
To : [email protected]
Cc : Dominik Rusovac <[email protected]>
Subject : [PATCH pve-manager v2] fix #7011: ceph monitor: set ownership of 
monitor logs
Ownership of the ceph monitor log file is now set to ceph:ceph after the
creation of a new monitor and before the new monitor starts. Hence,
effective ceph monitor logging on freshly set up ceph clusters no longer
depends on the first upgrade of ceph-common.

For setups (still) affected by #7011 it is required that ownership of
the ceph monitor log file is set to ceph:ceph (either manually or due to
some ceph-common upgrade), followed by a monitor restart.

Signed-off-by: Dominik Rusovac <[email protected]>
---
 PVE/API2/Ceph/MON.pm [http://mon.pm/] | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/PVE/API2/Ceph/MON.pm [http://mon.pm/] b/PVE/API2/Ceph/MON.pm 
[http://mon.pm/]
index 70fc158d..18407b1c 100644
--- a/PVE/API2/Ceph/MON.pm [http://mon.pm/]
+++ b/PVE/API2/Ceph/MON.pm [http://mon.pm/]
@@ -428,6 +428,15 @@ __PACKAGE__->register_method({
                             $mon_keyring,
                         ]);
                         run_command(['chown', 'ceph:ceph', '-R', $mondir]);
+
+                        eval {
+                            # fix-up initial log file from freshly created 
monitor here, as currently
+                            # we cannot instruct ceph-mon to create it with 
the correct ownership without
+                            # losing access to the mon keyring inside pmxcfs.
+                            run_command(
+                                ['chown', 'ceph:ceph', 
"/var/log/ceph/ceph-mon.$monid.log"]);
+                        };
+                        warn "$@" if $@;
                     };
                     my $err = $@;
                     unlink $monmap;
-- 
2.47.3


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