Bootstrap Ceph Monitor

ceph-mon-bootstrap.sh

#!/bin/bash
#
# Quickly bootstrap a Ceph Monitor
#
# Source: http://docs.ceph.com/docs/master/dev/mon-bootstrap/
#
# Tested with Ceph Luminous

apt-get install -y ceph
ceph-authtool --create-keyring /etc/ceph/mon.keyring --gen-key -n mon.
ceph-authtool /etc/ceph/mon.keyring --gen-key -n client.admin --set-uid=0 --cap mon 'allow *' --cap osd 'allow *' --cap mds 'allow'

monmaptool --create /etc/ceph/monmap
monmaptool --add $(hostname -s) [::1] /etc/ceph/monmap

ceph-mon --mkfs -i $(hostname -s) --monmap /etc/ceph/monmap --keyring /etc/ceph/mon.keyring

chown -R ceph:ceph /var/lib/ceph/mon/*

systemctl start ceph-mon@$(hostname -s)

ceph auth get-or-create-key client.bootstrap-osd mon 'allow profile bootstrap-osd'
ceph auth get client.bootstrap-osd -o /var/lib/ceph/bootstrap-osd/ceph.keyring
chown ceph:ceph /var/lib/ceph/bootstrap-osd/ceph.keyring