ceph-ansible/roles/ceph-config/tasks/main.yml

---
- block:
  - name: count number of osds for ceph-disk scenarios
    set_fact:
      num_osds: "{{ devices | length | int }}"
    when:
      - devices | default([]) | length > 0
      - osd_scenario in ['collocated', 'non-collocated']

  - name: count number of osds for lvm scenario
    set_fact:
      num_osds: "{{ lvm_volumes | length | int }}"
    when:
      - lvm_volumes | default([]) | length > 0
      - osd_scenario == 'lvm'

  - name: run 'ceph-volume lvm batch --report' to see how many osds are to be created
    ceph_volume:
      cluster: "{{ cluster }}"
      objectstore: "{{ osd_objectstore }}"
      batch_devices: "{{ devices }}"
      osds_per_device: "{{ osds_per_device | default(1) | int }}"
      journal_size: "{{ journal_size }}"
      block_db_size: "{{ block_db_size }}"
      report: true
      action: "batch"
    register: lvm_batch_report
    environment:
      CEPH_VOLUME_DEBUG: 1
      CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else None }}"
      CEPH_CONTAINER_BINARY: "{{ container_binary }}"
    when:
      - devices | default([]) | length > 0
      - osd_scenario == 'lvm'

  - name: set_fact num_osds from the output of 'ceph-volume lvm batch --report'
    set_fact:
      num_osds: "{{ (lvm_batch_report.stdout | from_json).osds | length | int }}"
    when:
      - devices | default([]) | length > 0
      - osd_scenario == 'lvm'
      - (lvm_batch_report.stdout | from_json).changed

  - name: run 'ceph-volume lvm list' to see how many osds have already been created
    ceph_volume:
      action: "list"
    register: lvm_list
    environment:
      CEPH_VOLUME_DEBUG: 1
      CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else None }}"
      CEPH_CONTAINER_BINARY: "{{ container_binary }}"
    when:
      - devices | default([]) | length > 0
      - osd_scenario == 'lvm'
      - not (lvm_batch_report.stdout | from_json).changed

  - name: set_fact num_osds from the output of 'ceph-volume lvm list'
    set_fact:
      num_osds: "{{ lvm_list.stdout | from_json | length | int }}"
    when:
      - devices | default([]) | length > 0
      - osd_scenario == 'lvm'
      - not (lvm_batch_report.stdout | from_json).changed

  when:
      - inventory_hostname in groups.get(osd_group_name, [])

# ceph-common
- block:
  - name: create ceph conf directory
    file:
      path: "/etc/ceph"
      state: directory
      owner: "ceph"
      group: "ceph"
      mode: "0755"

  - name: "generate ceph configuration file: {{ cluster }}.conf"
    action: config_template
    args:
      src: ceph.conf.j2
      dest: /etc/ceph/{{ cluster }}.conf
      owner: "ceph"
      group: "ceph"
      mode: "0644"
      config_overrides: "{{ ceph_conf_overrides }}"
      config_type: ini
    notify:
      - restart ceph mons
      - restart ceph osds
      - restart ceph mdss
      - restart ceph rgws
      - restart ceph mgrs
      - restart ceph rbdmirrors

  - name: "ensure fetch directory exists"
    run_once: true
    become: false
    file:
      path: "{{ fetch_directory }}/{{ fsid }}/etc/ceph"
      state: directory
      mode: "0755"
    delegate_to: localhost
    when:
      - ceph_conf_local

  - name: "generate {{ cluster }}.conf configuration file locally"
    config_template:
    become: false
    run_once: true
    delegate_to: localhost
    args:
      src: "ceph.conf.j2"
      dest: "{{ fetch_directory }}/{{ fsid }}/etc/ceph/{{ cluster }}.conf"
      config_overrides: "{{ ceph_conf_overrides }}"
      config_type: ini
    when:
      - inventory_hostname in groups[mon_group_name]
      - ceph_conf_local
  when:
    - not containerized_deployment|bool

- block:
  - name: include create_ceph_initial_dirs.yml
    include_tasks: create_ceph_initial_dirs.yml

  - name: create a local fetch directory if it does not exist
    file:
      path: "{{ fetch_directory }}"
      state: directory
    delegate_to: localhost
    changed_when: false
    become: false
    run_once: true
    when:
      - (cephx or generate_fsid)
      - ((inventory_hostname in groups.get(mon_group_name, [])) or
        (groups.get(nfs_group_name, []) | length > 0) and inventory_hostname == groups.get(nfs_group_name, [])[0])

  - name: "generate {{ cluster }}.conf configuration file"
    action: config_template
    args:
      src: "ceph.conf.j2"
      dest: "{{ ceph_conf_key_directory }}/{{ cluster }}.conf"
      owner: "root"
      group: "root"
      mode: "0644"
      config_overrides: "{{ ceph_conf_overrides }}"
      config_type: ini
    notify:
      - restart ceph mons
      - restart ceph osds
      - restart ceph mdss
      - restart ceph rgws
      - restart ceph mgrs
      - restart ceph rbdmirrors

  when:
    - containerized_deployment|bool