external_ceph.yml

---
- name: Ensuring config directory exists
  file:
    path: "{{ node_config_directory }}/{{ item }}"
    state: "directory"
    mode: "0770"
  become: true
  with_items:
    - "nova-libvirt/secrets"
  when: inventory_hostname in groups[nova_cell_compute_group]

- name: Check nova keyring file
  stat:
    path: "{{ node_custom_config }}/nova/{{ ceph_nova_keyring }}"
  delegate_to: localhost
  run_once: True
  register: nova_cephx_keyring_file
  failed_when: not nova_cephx_keyring_file.stat.exists
  when:
    - nova_backend == "rbd"
    - external_ceph_cephx_enabled | bool

- name: Check cinder keyring file
  stat:
    path: "{{ node_custom_config }}/nova/{{ ceph_cinder_keyring }}"
  delegate_to: localhost
  run_once: True
  register: cinder_cephx_keyring_file
  failed_when: not cinder_cephx_keyring_file.stat.exists
  when:
    - cinder_backend_ceph | bool
    - external_ceph_cephx_enabled | bool

- name: Copy over ceph nova keyring file
  copy:
    src: "{{ nova_cephx_keyring_file.stat.path }}"
    dest: "{{ node_config_directory }}/{{ item }}/"
    mode: "0660"
  become: true
  with_items:
    - nova-compute
  when:
    - inventory_hostname in groups[nova_cell_compute_group]
    - nova_backend == "rbd"
    - external_ceph_cephx_enabled | bool
  notify:
    - Restart {{ item }} container

- name: Copy over ceph cinder keyring file
  copy:
    src: "{{ cinder_cephx_keyring_file.stat.path }}"
    dest: "{{ node_config_directory }}/{{ item }}/"
    mode: "0660"
  become: true
  with_items:  # NOTE: nova-libvirt does not need it
    - nova-compute
  when:
    - inventory_hostname in groups[nova_cell_compute_group]
    - nova_backend == "rbd"
    - external_ceph_cephx_enabled | bool
  notify:
    - Restart {{ item }} container

- name: Copy over ceph.conf
  template:
    src: "{{ node_custom_config }}/nova/ceph.conf"
    dest: "{{ node_config_directory }}/{{ item }}/"
    mode: "0660"
  become: true
  with_items:
    - nova-compute
    - nova-libvirt
  when:
    - inventory_hostname in groups[nova_cell_compute_group]
    - nova_backend == "rbd"
  notify:
    - Restart {{ item }} container

- name: Pushing nova secret xml for libvirt
  template:
    src: "secret.xml.j2"
    dest: "{{ node_config_directory }}/nova-libvirt/secrets/{{ item.uuid }}.xml"
    mode: "0600"
  become: true
  when:
    - inventory_hostname in groups[nova_cell_compute_group]
    - item.enabled | bool
  with_items:
    - uuid: "{{ rbd_secret_uuid }}"
      name: "client.nova secret"
      enabled: "{{ nova_backend == 'rbd' }}"
    - uuid: "{{ cinder_rbd_secret_uuid }}"
      name: "client.cinder secret"
      enabled: "{{ cinder_backend_ceph }}"
  notify:
    - Restart nova-libvirt container

- name: Extract nova key from file
  set_fact:
    nova_cephx_raw_key:
      "{{ lookup('file', nova_cephx_keyring_file.stat.path) | regex_search('key\\s*=.*$', multiline=True) | regex_replace('key\\s*=\\s*(.*)\\s*', '\\1') }}"
  changed_when: false
  run_once: True
  when:
    - nova_backend == "rbd"
    - external_ceph_cephx_enabled | bool

- name: Extract cinder key from file
  set_fact:
    cinder_cephx_raw_key:
      "{{ lookup('file', cinder_cephx_keyring_file.stat.path) | regex_search('key\\s*=.*$', multiline=True) | regex_replace('key\\s*=\\s*(.*)\\s*', '\\1') }}"
  changed_when: false
  run_once: True
  when:
    - cinder_backend_ceph | bool
    - external_ceph_cephx_enabled | bool

- name: Pushing secrets key for libvirt
  copy:
    content: "{{ item.result }}"
    dest: "{{ node_config_directory }}/nova-libvirt/secrets/{{ item.uuid }}.base64"
    mode: "0600"
  become: true
  when:
    - inventory_hostname in groups[nova_cell_compute_group]
    - item.enabled | bool
    - external_ceph_cephx_enabled | bool
  with_items:
    # NOTE(yoctozepto): 'default' filter required due to eager evaluation of item content
    # which will be undefined if the applicable condition is False
    - uuid: "{{ rbd_secret_uuid }}"
      result: "{{ nova_cephx_raw_key | default }}"
      enabled: "{{ nova_backend == 'rbd' }}"
    - uuid: "{{ cinder_rbd_secret_uuid }}"
      result: "{{ cinder_cephx_raw_key | default }}"
      enabled: "{{ cinder_backend_ceph }}"
  notify:
    - Restart nova-libvirt container
  no_log: True

- name: Ensuring config directory has correct owner and permission
  become: true
  file:
    path: "{{ node_config_directory }}/{{ item }}"
    recurse: yes
    owner: "{{ config_owner_user }}"
    group: "{{ config_owner_group }}"
  with_items:
    - "nova-compute"
    - "nova-libvirt/secrets"
  when: inventory_hostname in groups[nova_cell_compute_group]