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

---
- name: include create_ceph_initial_dirs.yml
  include_tasks: create_ceph_initial_dirs.yml
  when: containerized_deployment | bool

- name: include_tasks rgw_systemd_environment_file.yml
  include_tasks: rgw_systemd_environment_file.yml
  when: inventory_hostname in groups.get(rgw_group_name, [])

- name: config file operations related to OSDs
  when:
    - inventory_hostname in groups.get(osd_group_name, [])
    # the rolling_update.yml playbook sets num_osds to the number of currently
    # running osds
    - not rolling_update | bool
  block:
  - name: count number of osds for lvm scenario
    set_fact:
      num_osds: "{{ lvm_volumes | length | int }}"
    when: lvm_volumes | default([]) | length > 0

  - block:
      - name: look up for ceph-volume rejected devices
        ceph_volume:
          cluster: "{{ cluster }}"
          action: "inventory"
        register: rejected_devices
        environment:
          CEPH_VOLUME_DEBUG: "{{ ceph_volume_debug }}"
          CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else None }}"
          CEPH_CONTAINER_BINARY: "{{ container_binary }}"
          PYTHONIOENCODING: utf-8

      - name: set_fact rejected_devices
        set_fact:
          _rejected_devices: "{{ _rejected_devices | default([]) + [item.path] }}"
        with_items: "{{ rejected_devices.stdout | default('{}') | from_json }}"
        when: "'Used by ceph-disk' in item.rejected_reasons"

      - name: set_fact _devices
        set_fact:
          _devices: "{{ devices | difference(_rejected_devices | default([])) }}"

      - 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: "{{ ceph_volume_debug }}"
          CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else None }}"
          CEPH_CONTAINER_BINARY: "{{ container_binary }}"
          PYTHONIOENCODING: utf-8
        when: _devices | default([]) | length > 0
    when:
      - devices | default([]) | length > 0

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

  - 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: "{{ ceph_volume_debug }}"
      CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else None }}"
      CEPH_CONTAINER_BINARY: "{{ container_binary }}"
      PYTHONIOENCODING: utf-8
    changed_when: false
    when:
      - devices | default([]) | length > 0
      - not (lvm_batch_report.stdout | default('{}') | from_json).changed | default(false) | bool

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

# ceph-common
- name: config file operation for non-containerized scenarios
  when: not containerized_deployment | bool
  block:
  - name: create ceph conf directory
    file:
      path: "/etc/ceph"
      state: directory
      owner: "ceph"
      group: "ceph"
      mode: "{{ ceph_directories_mode }}"

  - 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
      - restart ceph rbd-target-api-gw

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

  - 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.get(mon_group_name, [])
      - ceph_conf_local | bool

- name: config file operations for containerized scenarios
  when: containerized_deployment | bool
  block:
  - 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) | bool
      - ((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
      - restart ceph rbd-target-api-gw