ceph admin keyring丢失fix​

[root@localhost cluter]# ceph -s
2019-08-23 03:32:48.374297 7fe9cfcc4700 -1 auth: unable to find a keyring on /etc/ceph/ceph.client.admin.keyring,/etc/ceph/ceph.keyring,/etc/ceph/keyring,/etc/ceph/keyring.bin,: (2) No such file or directory
2019-08-23 03:32:48.374308 7fe9cfcc4700 -1 monclient: ERROR: missing keyring, cannot use cephx for authentication
2019-08-23 03:32:48.374309 7fe9cfcc4700  0 librados: client.admin initialization error (2) No such file or directory
[errno 2] error connecting to the cluster

[root@localhost cluter]# ls /etc/ceph/
ceph.conf  rbdmap  tmpFLL2nW  tmpwcDbve


[root@localhost cluter]# ps axu|grep mon
dbus         644  0.0  0.2  98476  2144 ?        Ssl  01:10   0:00 /bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
root         679  0.0  0.8 695184  9096 ?        Ssl  01:10   0:00 /usr/sbin/NetworkManager --no-daemon
ceph        2734  0.0  2.8 409176 28660 ?        Ssl  03:32   0:00 /usr/bin/ceph-mon -f --cluster ceph --id localhost --setuser ceph --setgroup ceph
root        2922  0.0  0.0 112708   984 pts/0    R+   03:39   0:00 grep --color=auto mon

[root@localhost cluter]# /usr/bin/ceph --connect-timeout=25 --cluster=ceph --name mon. --keyring=/var/lib/ceph/mon/ceph-localhost/keyring auth get-or-create client.admin osd 'allow *' mon 'allow *' mds 'allow *' > /etc/ceph/ceph.client.admin.keyring
[root@localhost cluter]# ceph -s
  cluster:
    id:     25d59c28-01b8-435a-a28a-1215d6989376
    health: HEALTH_OK

  services:
    mon: 1 daemons, quorum localhost
    mgr: no daemons active
    osd: 0 osds: 0 up, 0 in

  data:
    pools:   0 pools, 0 pgs
    objects: 0 objects, 0B
    usage:   0B used, 0B / 0B avail
    pgs:

[root@localhost cluter]# cat /etc/ceph/ceph.client.admin.keyring
[client.admin]
    key = AQBkl19d7s9hGxAARyleINJggH9sA6aunSkTLg==