I haven't set up the mgr service yet, but your daemon folder is missing it's keyring file (/var/lib/ceph/mgr/ceph-0/keyring). It's exactly what the error message says. When you set it up did you run a command pile ceph auth add? If you did, then you just need to ask the cluster what the auth key is and put it into that keyring file. You can look at the keyring for a month to see what format it's expecting.
On Sat, Aug 12, 2017, 2:35 AM Nigel Williams <nigel.williams@xxxxxxxxxxx> wrote:
_______________________________________________Cluster is ok and mgr is active, but unable to get the dashboard to start.I see the following errors in logs:
2017-08-12 15:40:07.805991 7f508effd500 0 pidfile_write: ignore empty --pid-file
2017-08-12 15:40:07.810124 7f508effd500 -1 auth: unable to find a keyring on /var/lib/ceph/mgr/ceph-0/keyring: (2) No such file or directory
2017-08-12 15:40:07.810145 7f508effd500 -1 monclient: ERROR: missing keyring, cannot use cephx for authenticationand an unrelated error I think:
RuntimeError: no certificate configured
raise RuntimeError('no certificate configured')
File "/usr/lib/ceph/mgr/restful/module.py", line 299, in _serve
self._serve()
File "/usr/lib/ceph/mgr/restful/module.py", line 248, in serveSetup was done by:added [mgr] section to ceph.conf, then:
ceph config-key put mgr/dashboard/server_addr ::
systemctl restart ceph-mgr@0
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