Commits on May 20, 2021

1. ceph.conf: enable logging for ceph clients …

   Enable 'log to syslog' and 'err to stderr' for ceph clients.
   
   Currently the default configuration disables "log to syslog" for ceph
   primarily targeting the ceph OSD units which log to files in
   /var/log/ceph instead. However this value is also used by ceph clients
   and as a result even with an error a ceph client such as libvirt/qemu
   will not log errors *anywhere* making issues such as failure to connect
   to a ceph cluster or invalid keyrings difficult to diagnose. Hence we
   always enable 'log to syslog' for ceph clients.
   
   We could alternatively enable log to a file, however, there are apparmor
   and permissions issues that mean access to /var/log/ceph is not
   guaranteed and in some cases multiple PIDs may write to this file
   creating many different files so syslog seems like the best choice.
   (Reference: juju#204)
   
   Also enable 'err to stderr' which it makes it more likely the error is
   surfaced in other important locations such as
   /var/log/libvirt/qemu/instance-*.log and on the command line.
   
   Partial-Bug: #1786874

   

   lathiat committed May 20, 2021
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