We recently migrated our cluster from 18.2.4 to 19.2.0 and started having
issues with Grafana.
Ceph gives out the warning "CEPHADM_CERT_ERROR: Invalid grafana certificate on
host cc-1: Invalid certificate key: [('PEM routines', '', 'no start line')].
Looking at the certificates they contain a line '# generated by cephadm' and
are not the certificates we stored in the config, e.g.
'mgr/cephadm/cc-1/grafana_crt'.
After some investigation we found that there was a change to how certificates
are stored. Yet I could find no documentation on how to setup per hosts
certificates with the new way.
The commit that changed the certificate store is
https://github.com/ceph/ceph/commit/bb7e715320e41f5d6b6291769e2b6d230eec74cc
Maybe anyone can point us in the right direction on how to get our own certs
back into Grafana.
--
Thorsten Fuchs
abaut GmbH
Agnes-Pockels-Bogen 1, 80992 München
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