---
# 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 do not exist
  ansible.builtin.setup:
    gather_subset: distribution
  when: ansible_facts['distribution_major_version'] is not defined
  tags:
    - always

- name: List Ceph daemon instances on this host
  ansible.builtin.command:
    cmd: "{{ cifmw_cephadm_bin }} ls --no-detail"
  register: cephadm_ls
  become: true
  tags:
    - cephadm_bootstrap

- name: Ensure cifmw_cephadm_fsid variable is set if none was provided
  when: cifmw_cephadm_fsid is not defined or cifmw_cephadm_fsid | length == 0
  block:
    - name: Set list of found FSIDs
      when:
        - cephadm_ls is defined
        - cephadm_ls.stdout is defined
        - cephadm_ls.stdout != '[]'
      ansible.builtin.set_fact:
        cifmw_cephadm_fsid_list: |-
          {{
            cephadm_ls.stdout |
            from_json |
            map(attribute='fsid') |
            sort | unique
          }}
    - name: Fail if >1 FSID was discovered
      when: cifmw_cephadm_fsid_list | length > 1
      ansible.builtin.fail:
        msg: |
          Multiple FSIDs were found. This Ansible role does not
          support management of multiple Ceph clusters on one host.

    - name: Set FSID to the discovered value
      when: cifmw_cephadm_fsid_list | length == 1
      ansible.builtin.set_fact:
        cifmw_cephadm_fsid: "{{ cifmw_cephadm_fsid_list[0] }}"

    - name: Set random cifmw_cephadm_fsid if no running ceph containers were found
      when: cifmw_cephadm_fsid_list | length == 0
      ansible.builtin.set_fact:
        cifmw_cephadm_fsid: "{{ 99999999 | random | to_uuid | lower }}"

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

- name: Ensure cifmw_cephadm_config_home (e.g. /etc/ceph) exists
  ansible.builtin.file:
    path: "{{ cifmw_cephadm_config_home }}"
    state: directory
    mode: "0755"
  become: true

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

- name: Stat spec file on ansible host
  ansible.builtin.stat:
    path: "{{ cifmw_cephadm_spec_ansible_host }}"
  register: cifmw_cephadm_spec_stat_host
  delegate_to: localhost
  become: true

- name: Push cifmw_cephadm_spec to bootstrap node if spec file exsits
  ansible.builtin.copy:
    src: "{{ cifmw_cephadm_spec_ansible_host }}"
    dest: "{{ cifmw_cephadm_spec }}"
    owner: "{{ cifmw_cephadm_ssh_user }}"
    group: "{{ cifmw_cephadm_ssh_user }}"
    mode: '0644'
  become: true
  when: cifmw_cephadm_spec_stat_host.stat.exists

- name: "Was a cifmw_cephadm_bootstrap_conf passed?"
  when:
    - cifmw_cephadm_bootstrap_conf is defined
    - cifmw_cephadm_bootstrap_conf | length > 0
  block:
    - name: Stat cifmw_cephadm_bootstrap_conf file
      ansible.builtin.stat:
        path: "{{ cifmw_cephadm_bootstrap_conf }}"
      register: stat_bootstrap_conf
      become: true
      delegate_to: localhost
      ignore_errors: true

    - name: Push it to cifmw_cephadm_assimilate_conf on bootstrap node
      ansible.builtin.copy:
        src: "{{ cifmw_cephadm_bootstrap_conf }}"
        dest: "{{ cifmw_cephadm_assimilate_conf }}"
        owner: "{{ cifmw_cephadm_ssh_user }}"
        group: "{{ cifmw_cephadm_ssh_user }}"
        mode: '0644'
      become: true
      when: stat_bootstrap_conf.stat.exists