ceph-ansible/roles/ceph-osd/tasks/docker/start_docker_osd.yml

---
# For openstack VMs modify the mount point below depending on if the Openstack
# VM deploy tool defaults to mounting ephemeral disks
- name: umount ceph disk (if on openstack)
  mount:
    name: /mnt
    src: /dev/vdb
    fstype: ext3
    state: unmounted
  when: ceph_docker_on_openstack

- name: verify if the disk was already prepared
  shell: "lsblk -o PARTLABEL {{ item }} | grep -sq 'ceph'"
  failed_when: false
  always_run: true
  with_items: "{{ ceph_osd_docker_devices }}"
  register: osd_prepared

# use shell rather than docker module
# to ensure osd disk prepare finishes before
# starting the next task
- name: prepare ceph osd disk
  shell: |
    docker run --net=host \
    --pid=host \
    --privileged=true \
    --name="{{ ansible_hostname }}-osd-prepare-{{ item.0 | regex_replace('/', '') }}" \
    -v /etc/ceph:/etc/ceph \
    -v /var/lib/ceph/:/var/lib/ceph/ \
    -v /dev:/dev \
    -v /etc/localtime:/etc/localtime:ro \
    -e "OSD_DEVICE={{ item.0 }}" \
    -e "OSD_JOURNAL_UUID=$(python -c "import uuid; print uuid.uuid5(uuid.NAMESPACE_DNS, '{{ ansible_machine_id }}{{ item.0 }}')")" \
    -e CEPH_DAEMON=OSD_CEPH_DISK_PREPARE \
    {{ ceph_osd_docker_prepare_env }} \
    "{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}"
  with_together:
    - "{{ ceph_osd_docker_devices }}"
    - "{{ osd_prepared.results }}"
  when:
    - item.1.get("rc", 0) != 0
    - ceph_osd_docker_prepare_env is defined
    - not osd_containerized_deployment_with_kv

- name: prepare ceph osd disk with kv_store
  shell: |
    docker run  --net=host   \
    --pid=host \
    --privileged=true \
    --name="{{ ansible_hostname }}-osd-prepare-{{ item.0 | regex_replace('/', '') }}" \
    -v /dev:/dev \
    -v /etc/localtime:/etc/localtime:ro \
    -e "OSD_DEVICE={{ item.0 }}" \
    -e "OSD_JOURNAL_UUID=$(python -c "import uuid; print uuid.uuid5(uuid.NAMESPACE_DNS, '{{ ansible_machine_id }}{{ item.0 }}')")" \
    -e "{{ ceph_osd_docker_prepare_env }}" \
    -e CEPH_DAEMON=OSD_CEPH_DISK_PREPARE \
    -e KV_TYPE={{kv_type}} \
    -e KV_IP={{kv_endpoint}} \
    -e KV_PORT={{kv_port}} \
    {{ ceph_osd_docker_prepare_env }} \
    "{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}" \
  with_together:
    - "{{ ceph_osd_docker_devices }}"
    - "{{ osd_prepared.results }}"
  when:
    - item.1.get("rc", 0) != 0
    - ceph_osd_docker_prepare_env is defined
    - osd_containerized_deployment_with_kv

- name: generate ceph osd docker run script
  become: true
  template:
    src: "{{ role_path }}/templates/ceph-osd-run.sh.j2"
    dest: /usr/share/ceph-osd-run.sh
    owner: "root"
    group: "root"
    mode: "0744"

- name: generate systemd unit file
  become: true
  template:
    src: "{{ role_path }}/templates/ceph-osd.service.j2"
    dest: /etc/systemd/system/ceph-osd@.service
    owner: "root"
    group: "root"
    mode: "0644"

- name: enable systemd unit file for osd instance
  shell: systemctl enable ceph-osd@{{ item | basename }}.service
  changed_when: false
  with_items: "{{ ceph_osd_docker_devices }}"

- name: reload systemd unit files
  shell: systemctl daemon-reload
  changed_when: false

- name: systemd start osd container
  service:
    name: ceph-osd@{{ item | basename }}
    state: started
    enabled: yes
  changed_when: false
  with_items: "{{ ceph_osd_docker_devices }}"