---
# Copyright 2021 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

- name: Get ceph_cli
  include_tasks: ceph_cli.yaml
  vars:
    ceph_command: 'rados'
    # ceph cli needs manila cephx keyring if admin is not available
    select_keyring: "{{ 'manila' if groups['ceph_mon'] | default([]) | length == 0 else 'admin' }}"
    # when ceph is external and admin keyring is not available we're passing -n client.{{ selected_keyring }}
    external_cluster: "{{ true if groups['ceph_mon'] | default([]) | length == 0 else false }}"

- name: check if rados index object exists
  shell: |
    {{ tripleo_cephadm_ceph_cli }} -p {{ cephfs_data_pool.name }} --cluster {{ tripleo_cephadm_cluster }} \
    ls | grep {{ tripleo_cephadm_nfs_rados_export_index }}
  changed_when: false
  failed_when: false
  register: rados_index_exists
  check_mode: false
  when: tripleo_cephadm_ceph_nfs_rados_backend | bool

- name: create an empty rados index object
  become: true
  command: |
    {{ tripleo_cephadm_ceph_cli }} -p {{ cephfs_data_pool.name }} --cluster {{ tripleo_cephadm_cluster }} \
    put {{ tripleo_cephadm_nfs_rados_export_index }} /dev/null
  when:
    - tripleo_cephadm_ceph_nfs_rados_backend | bool
    - rados_index_exists.rc != 0
  delegate_to: "{{ groups['ceph_nfs'][0] }}"

- name: Extract keys
  block:
    - name: Extract key - internal
      ceph_key:
        name: "{{ item.name }}"
        cluster: "{{ tripleo_cephadm_cluster }}"
        output_format: plain
        state: info
      environment:
        CEPH_CONTAINER_IMAGE: "{{ tripleo_cephadm_container_ns + '/' + tripleo_cephadm_container_image + ':' + tripleo_cephadm_container_tag }}"
        CEPH_CONTAINER_BINARY: "{{ tripleo_cephadm_container_cli }}"
        CEPH_FSID: "{{ tripleo_cephadm_fsid }}"
      register: _rgw_keys_int
      become: true
      with_items:
        - { name: "client.bootstrap-rgw", path: "/var/lib/ceph/bootstrap-rgw/{{ tripleo_cephadm_cluster }}.keyring", copy_key: true }
      run_once: true
      delegate_to: "{{ groups['ceph_nfs'][0] }}"
      when: not external_cluster

    - name: slurp manila key from remote host - external
      become: true
      slurp:
        src: "{{ tripleo_cephadm_config_home }}/{{ tripleo_cephadm_cluster }}.client.{{ tripleo_cephadm_ceph_nfs_ceph_user }}.keyring"
      register: _rgw_keys_ext
      delegate_to: "{{ groups['ceph_nfs'][0] }}"
      when: external_cluster
  vars:
    external_cluster: "{{ true if groups['ceph_mon'] | default([]) | length == 0 else false }}"

- name: Distribute Ceph keys to the nfs nodes
  include_tasks: ganesha/distribute_keys.yaml
  vars:
    nfs_node: "{{ node }}"
    rgw_keys_int: "{{ _rgw_keys_int }}"
    rgw_keys_ext: "{{ _rgw_keys_ext }}"
    external_cluster: "{{ true if groups['ceph_mon'] | default([]) | length == 0 else false }}"
  loop: "{{ groups['ceph_nfs'] }}"
  loop_control:
    loop_var: node

- name: get dbus-1 file
  command: |
    {{ container_cli }} run --rm --entrypoint=cat \
    {{ tripleo_cephadm_container_ns + '/' + tripleo_cephadm_container_image + ':' + tripleo_cephadm_container_tag }} \
    /etc/dbus-1/system.d/org.ganesha.nfsd.conf
  register: _dbus_ganesha
  run_once: true
  changed_when: false
  delegate_to: "{{ groups['ceph_nfs'][0] }}"

- name: Get Ceph version
  command: "{{ tripleo_cephadm_container_cli }} run --rm --entrypoint=ceph {{ ceph_container }} -v"
  register: ceph_version
  vars:
    ceph_container: "{{ tripleo_cephadm_container_ns }}/{{ tripleo_cephadm_container_image }}:{{ tripleo_cephadm_container_tag }}"

- name: Render Ganesha templates and files
  include_tasks: ganesha/start_nfs.yaml
  vars:
    nfs_node: "{{ node }}"
    dbus_ganesha_file: "{{ _dbus_ganesha }}"
    tripleo_cephadm_ceph_version: "{{ ceph_version.stdout.split(' ')[2] }}"
  loop: "{{ groups['ceph_nfs'] }}"
  loop_control:
    loop_var: node