Merge "Ceph Ansible support"

ansible/group_vars/all.yml

ansible/inventory/all-in-one

ansible/inventory/multinode

ansible/library/bslurp.py

ansible/library/find_disks.py

ansible/roles/ceph/defaults/main.yml

ansible/roles/ceph/tasks/bootstrap_mons.yml

ansible/roles/ceph/tasks/bootstrap_osds.yml

ansible/roles/ceph/tasks/config.yml

ansible/roles/ceph/tasks/distribute_keyrings.yml

ansible/roles/ceph/tasks/generate_cluster.yml

ansible/roles/ceph/tasks/main.yml

ansible/roles/ceph/tasks/start_mons.yml

ansible/roles/ceph/tasks/start_osds.yml

ansible/roles/ceph/templates/ceph.conf.j2

ansible/site.yml

docker/ceph/ceph-base/Dockerfile.j2

docker/ceph/ceph-mon/Dockerfile.j2

docker/ceph/ceph-mon/config-external.sh

docker/ceph/ceph-mon/fetch_ceph_keys.py