---
# 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: Gather distribution facts if they don't exist
  setup:
    gather_subset: distribution
  when: ansible_facts['distribution_major_version'] is not defined
  tags:
    - always

- name: Install cephadm package
  become: true
  package:
    name: cephadm
    state: latest
    releasever: "{{ ansible_facts['distribution_major_version'] }}"
  when:
    - tripleo_cephadm_predeployed | bool

- name: Stat cephadm file
  stat:
    path: "{{ tripleo_cephadm_bin }}"
  register: stat_cephadm
  become: true
  ignore_errors: true

- name: Fail if cephadm is not available
  fail:
    msg: "{{ tripleo_cephadm_bin }} does not exist"
  when: not stat_cephadm.stat.exists

- name: List Ceph daemon instances on this host
  shell: "{{ tripleo_cephadm_bin }} ls --no-detail"
  register: cephadm_ls
  become: true
  tags:
    - cephadm_bootstrap

- name: Ensure tripleo_cephadm_fsid variable is set if none was provided
  block:
    - name: Set list of found FSIDs
      set_fact:
        tripleo_cephadm_fsid_list: "{{ cephadm_ls.stdout | from_json | map(attribute='fsid') | sort | unique }}"
      when:
        - cephadm_ls is defined
        - cephadm_ls.stdout is defined
        - cephadm_ls.stdout != '[]'
    - name: Fail if >1 FSID was discovered
      fail:
        msg: |
          Multiple FSIDs were found. This Ansible role does not
          support management of multiple Ceph clusters on one host.
      when: tripleo_cephadm_fsid_list | length > 1
    - name: Set FSID to the discovered value
      set_fact:
        tripleo_cephadm_fsid: "{{ tripleo_cephadm_fsid_list[0] }}"
      when: tripleo_cephadm_fsid_list | length == 1
    - name: Set random tripleo_cephadm_fsid if no running ceph containers were found
      set_fact:
        tripleo_cephadm_fsid: "{{ 99999999 | random | to_uuid | lower }}"
      when: tripleo_cephadm_fsid_list | length == 0
  when: tripleo_cephadm_fsid is not defined or (tripleo_cephadm_fsid is defined and tripleo_cephadm_fsid | length == 0)

- name: Set first monitor IP if it was not passed
  set_fact:
    tripleo_cephadm_first_mon_ip: "{{ ansible_host }}"
  when: tripleo_cephadm_first_mon_ip is not defined or (tripleo_cephadm_first_mon_ip is defined and tripleo_cephadm_first_mon_ip | length == 0)

- name: Ensure tripleo_cephadm_config_home (e.g. /etc/ceph) exists
  file:
    path: "{{ tripleo_cephadm_config_home }}"
    state: directory
  become: true

- name: Ensure specs directory exists
  file:
    path: "/home/{{ tripleo_cephadm_ssh_user }}/specs"
    owner: "{{ tripleo_cephadm_ssh_user }}"
    group: "{{ tripleo_cephadm_ssh_user }}"
    mode: '0755'
    state: directory
  become: true

- name: Stat spec file on ansible host
  stat:
    path: "{{ tripleo_cephadm_spec_ansible_host }}"
  register: tripleo_cephadm_spec_stat_host
  delegate_to: localhost

- name: push tripleo_cephadm_spec to bootstrap node if spec file exsits
  copy:
    src: "{{ tripleo_cephadm_spec_ansible_host }}"
    dest: "{{ tripleo_cephadm_spec }}"
    owner: "{{ tripleo_cephadm_ssh_user }}"
    group: "{{ tripleo_cephadm_ssh_user }}"
    mode: '0644'
  become: true
  when: tripleo_cephadm_spec_stat_host.stat.exists

- name: was a tripleo_cephadm_bootstrap_conf passed?
  when:
    - tripleo_cephadm_bootstrap_conf is defined
    - tripleo_cephadm_bootstrap_conf | length > 0
  block:
    - name: stat tripleo_cephadm_bootstrap_conf file
      stat:
        path: "{{ tripleo_cephadm_bootstrap_conf }}"
      register: stat_bootstrap_conf
      become: true
      delegate_to: localhost
      ignore_errors: true

    - name: push it to tripleo_cephadm_assimilate_conf on bootstrap node
      copy:
        src: "{{ tripleo_cephadm_bootstrap_conf }}"
        dest: "{{ tripleo_cephadm_assimilate_conf }}"
        owner: "{{ tripleo_cephadm_ssh_user }}"
        group: "{{ tripleo_cephadm_ssh_user }}"
        mode: '0644'
      become: true
      when: stat_bootstrap_conf.stat.exists

- name: generate tripleo_cephadm_assimilate_conf on bootstrap node
  action: config_template
  args:
    src: "ceph.conf.j2"
    dest: "{{ tripleo_cephadm_assimilate_conf }}"
    owner: "{{ tripleo_cephadm_uid }}"
    group: "{{ tripleo_cephadm_uid }}"
    mode: "0644"
    config_overrides: "{{ tripleo_cephadm_conf_overrides }}"
    config_type: ini
  become: true
  when:
    - tripleo_cephadm_bootstrap_conf is not defined or
      tripleo_cephadm_bootstrap_conf | length == 0