ceph-ansible/roles/ceph-osd/tasks/start_osds.yml

---
- block:
  # 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: test if the container image has the disk_list function
    command: docker run --rm --entrypoint=stat {{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }} disk_list.sh
    changed_when: false
    failed_when: false
    register: disk_list
    when:
      - osd_scenario != 'lvm'

  - name: generate ceph osd docker run script
    become: true
    template:
      src: "{{ role_path }}/templates/ceph-osd-run.sh.j2"
      dest: "{{ ceph_osd_docker_run_script_path }}/ceph-osd-run.sh"
      owner: "root"
      group: "root"
      mode: "0744"
    notify:
      - restart ceph osds
  when:
    - containerized_deployment

# this is for ceph-disk, the ceph-disk command is gone so we have to list /var/lib/ceph
- name: get osd ids
  shell: |
    ls /var/lib/ceph/osd/ | sed 's/.*-//'
  register: osd_ids_non_container

- name: set_fact docker_exec_start_osd
  set_fact:
    docker_exec_start_osd: "{{ 'docker run --rm --privileged=true -v /run/lvm/lvmetad.socket:/run/lvm/lvmetad.socket -v /var/run/udev/:/var/run/udev/:z -v /etc/ceph:/etc/ceph:z -v /dev:/dev --entrypoint=ceph-volume ' + ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else 'ceph-volume' }}"

- name: collect osd ids
  shell: >
    {{ docker_exec_start_osd }} lvm list --format json
  changed_when: false
  failed_when: false
  register: ceph_osd_ids

- 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"
  notify:
    - restart ceph osds
  when:
    - containerized_deployment

- name: systemd start osd
  systemd:
    name: ceph-osd@{{ item | regex_replace('/dev/', '') if osd_scenario != 'lvm' and containerized_deployment else item }}
    state: started
    enabled: yes
    daemon_reload: yes
  with_items: "{{ devices if osd_scenario != 'lvm' and containerized_deployment else ((ceph_osd_ids.stdout | from_json).keys() | list) if osd_scenario == 'lvm' and not containerized_deployment else osd_ids_non_container.stdout_lines }}"

- name: ensure systemd service override directory exists
  file:
    state: directory
    path: "/etc/systemd/system/ceph-osd@.service.d/"
  when:
    - ceph_osd_systemd_overrides is defined
    - ansible_service_mgr == 'systemd'

- name: add ceph-osd systemd service overrides
  config_template:
    src: "ceph-osd.service.d-overrides.j2"
    dest: "/etc/systemd/system/ceph-osd@.service.d/ceph-osd-systemd-overrides.conf"
    config_overrides: "{{ ceph_osd_systemd_overrides | default({}) }}"
    config_type: "ini"
  when:
    - ceph_osd_systemd_overrides is defined
    - ansible_service_mgr == 'systemd'