---

- include_vars: "{{ item }}"
  with_first_found:
    - vars/{{ ansible_distribution }}-{{ ansible_distribution_major_version }}.yml
    - vars/{{ ansible_distribution }}.yml
    - vars/{{ ansible_os_family }}.yml
    - vars/defaults.yml

- name: Set default install mode
  set_fact: ttrss_install_mode='none'

- name: Set php executable
  set_fact: ttrss_php_bin=/usr/bin/php{{ ttrss_php_version }}

- name: Install packages
  yum: name={{ ttrss_packages }}

- name: Create user account for PHP
  user:
    name: "{{ ttrss_php_user }}"
    comment: "PHP FPM {{ ttrss_php_user }}"
    system: True
    shell: /sbin/nologin

- name: Check if ttrss is already installed
  stat: path={{ ttrss_root_dir }}/meta/ansible_version
  register: ttrss_version_file

- name: Check installed version
  command: cat {{ ttrss_root_dir }}/meta/ansible_version
  register: ttrss_current_version
  changed_when: False
  when: ttrss_version_file.stat.exists

- name: Set install mode to install
  set_fact: ttrss_install_mode='install'
  when: not ttrss_version_file.stat.exists

- name: Create directory structure
  file: name={{ item }} state=directory
  with_items:
    - "{{ ttrss_root_dir }}"
    - "{{ ttrss_root_dir }}/web"
    - "{{ ttrss_root_dir }}/archives"
    - "{{ ttrss_root_dir }}/sessions"
    - "{{ ttrss_root_dir }}/cache"
    - "{{ ttrss_root_dir }}/data"
    - "{{ ttrss_root_dir }}/data/icons"
    - "{{ ttrss_root_dir }}/tmp"
    - "{{ ttrss_root_dir }}/meta"
    - "{{ ttrss_root_dir }}/db_dumps"

- name: Check if already checked out
  stat: path={{ ttrss_root_dir }}/web/.git
  register: ttrss_git_checked

- name: Clone GIT repo
  git:
    repo: "{{ ttrss_git_uri }}"
    dest: "{{ ttrss_root_dir }}/web"
    version: "{{ ttrss_version }}"
    force: True
  register: ttrss_git
  notify: restart ttrss-updater

- name: Get new git commit
  command: git rev-parse HEAD
  args:
    chdir: "{{ ttrss_root_dir }}/web"
  register: ttrss_git_commit
  changed_when: False

- name: Set install mode to upgrade
  set_fact: ttrss_install_mode='upgrade'
  when:
    - ttrss_install_mode == 'none'
    - ttrss_git_commit.stdout != ttrss_current_version.stdout

- name: Create the archive dir
  file: path={{ ttrss_root_dir }}/archives/{{ ttrss_git_commit.stdout }} state=directory
  when: ttrss_install_mode == 'upgrade'

- name: Save the database
  mysql_db:
    state: dump
    name: "{{ ttrss_mysql_db }}"
    target: "{{ ttrss_root_dir }}/archives/{{ ttrss_git_commit.stdout }}/{{ ttrss_mysql_db }}.sql.xz"
    login_host: "{{ ttrss_mysql_server }}"
    login_user: sqladmin
    login_password: "{{ mysql_admin_pass }}"
    quick: True
    single_transaction: True
  when: ttrss_install_mode == 'upgrade'

- name: Populate the cache directory
  synchronize:
    src: "{{ ttrss_root_dir }}/web/cache/"
    dest: "{{ ttrss_root_dir }}/cache/"
    recursive: True
  delegate_to: "{{ inventory_hostname }}"
  changed_when: False

- name: Deploy permission script
  template: src=perms.sh.j2 dest={{ ttrss_root_dir }}/perms.sh mode=755

- name: Apply permissions
  shell: "{{ ttrss_root_dir }}/perms.sh"
  changed_when: False

- name: Deploy httpd configuration
  template: src=httpd.conf.j2 dest=/etc/httpd/ansible_conf.d/10-ttrss_{{ ttrss_id }}.conf
  notify: reload httpd

- name: Deploy PHP configuration
  template: src=php.conf.j2 dest=/etc/opt/remi/php{{ ttrss_php_version }}/php-fpm.d/ttrss_{{ ttrss_id }}.conf
  notify: restart php-fpm

- name: Remove PHP configuration from other versions
  file: path=/etc/opt/remi/php{{ item }}/php-fpm.d/ttrss_{{ ttrss_id }}.conf state=absent
  with_items: "{{ httpd_php_versions | difference([ ttrss_php_version ]) }}"
  notify: restart php-fpm

- name: Remove PHP configuration (using a custom pool)
  file: path=/etc/opt/remi/php{{ ttrss_php_version }}/php-fpm.d/ttrss_{{ ttrss_id }}.conf state=absent
  when: ttrss_php_fpm_pool is defined
  notify: restart php-fpm

- name: Generate a random pass for the database
  shell: openssl rand -base64 45 > {{ ttrss_root_dir }}/meta/ansible_dbpass
  args:
    creates: "{{ ttrss_root_dir }}/meta/ansible_dbpass"
  when: ttrss_mysql_pass is not defined

- name: Read database password
  command: cat {{ ttrss_root_dir }}/meta/ansible_dbpass
  register: ttrss_rand_pass
  when: ttrss_mysql_pass is not defined
  changed_when: False

- name: Set database pass
  set_fact: ttrss_mysql_pass={{ ttrss_rand_pass.stdout }}
  when: ttrss_mysql_pass is not defined

- name: Create MySQL database
  mysql_db:
    name: "{{ ttrss_mysql_db }}"
    login_host: "{{ ttrss_mysql_server }}"
    login_user: sqladmin
    login_password: "{{ mysql_admin_pass }}"
    state: present
  register: ttrss_mysql_created

- name: Create MySQL User
  mysql_user:
    name: "{{ ttrss_mysql_user }}"
    password: "{{ ttrss_mysql_pass }}"
    priv: "{{ ttrss_mysql_db }}.*:ALL"
    host: "{{ (ttrss_mysql_server == 'localhost' ) | ternary('localhost', item ) }}"
    login_host: "{{ ttrss_mysql_server }}"
    login_user: sqladmin
    login_password: "{{ mysql_admin_pass }}"
    state: present
  with_items: "{{ ansible_all_ipv4_addresses }}"

- name: Create a safer MySQL schema file
  shell: grep -vi 'drop table' {{ ttrss_root_dir }}/web/schema/ttrss_schema_mysql.sql > {{ ttrss_root_dir }}/tmp/ttrss.sql
  when: ttrss_install_mode == 'install'

- name: Inject SQL structure
  mysql_db:
    name: "{{ ttrss_mysql_db }}"
    state: import
    target: "{{ ttrss_root_dir }}/tmp/ttrss.sql"
    login_host: "{{ ttrss_mysql_server }}"
    login_user: sqladmin
    login_password: "{{ mysql_admin_pass }}"
  when:
    - ttrss_install_mode == 'install'
    - ttrss_mysql_created.changed

- name: Remove temp files
  file: path={{ item }} state=absent
  with_items:
    "{{ ttrss_root_dir }}/tmp/ttrss.sql"

- name: Deploy Tiny Tiny RSS configuration
  template: src=config.php.j2 dest={{ ttrss_root_dir }}/web/config.php group={{ ttrss_php_user }} mode=640

- name: Write current version
  copy: content={{ ttrss_git_commit.stdout }} dest={{ ttrss_root_dir }}/meta/ansible_version
  when: ttrss_install_mode != 'none'

- name: Update the database
  shell: echo 'yes' | {{ ttrss_php_bin }} {{ ttrss_root_dir }}/web/update.php --update-schema
  become_user: "{{ ttrss_php_user }}"
  when: ttrss_install_mode == 'upgrade'

- name: Deploy backup scripts
  template: src={{ item.script }}.j2 dest=/etc/backup/{{ item.type }}.d/ttrss_{{ ttrss_id }}_{{ item.script }} mode=750
  with_items:
    - script: dump_db
      type: pre
    - script: rm_dump
      type: post

- name: Set correct SELinux context
  sefcontext:
    target: "{{ ttrss_root_dir }}(/.*)?"
    setype: httpd_sys_content_t
    state: present
  when: ansible_selinux.status == 'enabled'

- name: Deploy systemd unit
  template: src=ttrss-updater.service.j2 dest=/etc/systemd/system/ttrss-updater_{{ ttrss_id }}.service
  notify:
    - reload systemd
    - restart ttrss-updater

- name: Start and enable the service
  service: name=ttrss-updater_{{ ttrss_id }} state=started enabled=yes