---
# Tasks file for the mastodon role

# Infrastructure
# Ansible instructions to deploy the infrastructure
# Copyright (C) 2019-2020  Christoph (Sheogorath) Kern
# Copyright (C) 2020       Alexander Wellbrock
# Copyright (C) 2020       Saibotk
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

- name: Update default SELinux contexts
  community.general.sefcontext:
    target: "{{ item }}(/.*)?"
    setype: "container_file_t"
    state: present
  with_items:
    - "{{ mastodon_database_location }}"
    - "{{ mastodon_public_location }}"
    - "{{ mastodon_redis_location }}"
    - "{{ mastodon_elastic_location }}"
    - "{{ mastodon_nginx_location }}"
  become: true

- name: Create install directory
  ansible.builtin.file:
    path: "{{ item }}"
    state: directory
    mode: "0700"
    owner: "root"
    group: "root"
  with_items:
    - "{{ mastodon_install_location }}"
  become: true

- name: Create data directories
  ansible.builtin.file: # noqa risky-file-permissions # Container manages permissions on its own
    path: "{{ item }}"
    state: directory
    setype: "container_file_t"
  with_items:
    - "{{ mastodon_database_location }}"
    - "{{ mastodon_public_location }}"
    - "{{ mastodon_redis_location }}"
    - "{{ mastodon_elastic_location }}"
    - "{{ mastodon_nginx_location }}"
  become: true

- name: Adjust elasticsearch directory permissions
  ansible.builtin.file:
    path: "{{ mastodon_elastic_location }}"
    state: directory
    setype: "container_file_t"
    mode: "0750"
    owner: 1000
    group: "root"
  become: true

- name: Adjust sysctl settings for elasticsearch
  ansible.posix.sysctl:
    name: vm.max_map_count
    value: "262144"
    state: present
  when:
    - mastodon_config.enable_elasticsearch is defined and mastodon_config.enable_elasticsearch
    - mastodon_elasticsearch_adjust_sysctl
  become: true

- name: Create public data directory
  ansible.builtin.file:
    path: "{{ mastodon_public_location }}/system"
    mode: "0755"
    owner: "991"
    group: "991"
    state: directory
    setype: "container_file_t"
  become: true

- name: Deploy nginx proxy config file
  ansible.builtin.template:
    src: "default.conf"
    dest: "{{ mastodon_nginx_location }}/default.conf"
    mode: "0600"
    owner: "root"
    group: "root"
  become: true

- name: Check if migration is needed
  ansible.builtin.command: "grep -q 'mastodon/mastodon:{{ mastodon_image_version }}' '{{ mastodon_install_location }}/docker-compose.yml'"
  register: mastodon_version_fact
  ignore_errors: true
  changed_when: mastodon_version_fact.rc > 0
  failed_when: false
  become: true
  notify: ["Pull mastodon image", "Stop mastodon for upgrade"]

- name: Immediately run / flush Ansible handlers
  ansible.builtin.meta: "flush_handlers"

- name: Deploy config
  ansible.builtin.template:
    src: ".env.production"
    dest: "{{ mastodon_install_location }}/.env.production"
    mode: "0600"
    owner: "root"
    group: "root"
  tags:
    - mastodon
  become: true

- name: Deploy docker-compose.yml
  ansible.builtin.template:
    src: "docker-compose.yml"
    dest: "{{ mastodon_install_location }}/docker-compose.yml"
    mode: "0600"
    owner: "root"
    group: "root"
    validate: docker compose -f %s config -q
  tags:
    - mastodon
  become: true

- name: Migrate database
  ansible.builtin.command: "docker-compose run --rm web rails db:migrate"
  args:
    chdir: "{{ mastodon_install_location }}"
  when:
    # noqa no-handler
    - mastodon_version_fact is changed
  tags:
    - docker
    - mastodon
  become: true
  changed_when: true
  environment:
    PYTHONPATH: ""

- name: Clear cache
  ansible.builtin.command: docker-compose run --rm web bin/tootctl cache clear
  args:
    chdir: "{{ mastodon_install_location }}"
  when:
    # noqa no-handler
    - mastodon_version_fact is changed
  tags:
    - docker
    - mastodon
  become: true
  changed_when: true
  environment:
    PYTHONPATH: ""

- name: Compose mastodon
  community.docker.docker_compose_v2:
    state: present
    project_src: "{{ mastodon_install_location }}"
    pull: always
    remove_orphans: true
  tags:
    - docker
    - mastodon
  become: true