
[cbjchen,r=] Clean up the keyring after ceph relation is broken. So when next time ceph relation is joined, ensure_ceph_keyring will not ignore the new key because of the existance of the old one.
[cbjchen,r=] Clean up the keyring after ceph relation is broken. So when next time ceph relation is joined, ensure_ceph_keyring will not ignore the new key because of the existance of the old one.