---

- name: Set default install mode to none
  set_fact: dokuwiki_install_mode="none"
  tags: dokuwiki

- name: Install dependencies
  yum:
    name:
      - acl
  tags: dokuwiki

- name: Create PHP user acount
  user:
    name: "{{ dokuwiki_php_user }}"
    comment: "PHP FPM for dokuwiki {{ dokuwiki_id }}"
    system: yes
    shell: /sbin/nologin
  tags: dokuwiki

- name: Check if dokuwiki is already installed
  stat: path={{ dokuwiki_root_dir }}/meta/ansible_version
  register: dokuwiki_version_file
  changed_when: False
  tags: dokuwiki

- name: Check dokuwiki version
  command:  cat {{ dokuwiki_root_dir }}/meta/ansible_version
  register: dokuwiki_current_version
  changed_when: False
  when: dokuwiki_version_file.stat.exists
  tags: dokuwiki

- name: Set installation process to install
  set_fact: dokuwiki_install_mode='install'
  when: not dokuwiki_version_file.stat.exists
  tags: dokuwiki

- name: Set installation process to upgrade
  set_fact: dokuwiki_install_mode='upgrade'
  when:
    - dokuwiki_version_file.stat.exists
    - dokuwiki_current_version.stdout | string != dokuwiki_version | string
    - dokuwiki_manage_upgrade
  tags: dokuwiki

- name: Create archive dir
  file: path={{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }} state=directory mode=700
  when: dokuwiki_install_mode == 'upgrade'
  tags: dokuwiki

- name: Prepare dokuwiki upgrade
  synchronize:
    src: "{{ dokuwiki_root_dir }}/web"
    dest: "{{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }}/"
    recursive: True
    delete: True
  delegate_to: "{{ inventory_hostname }}"
  when: dokuwiki_install_mode == 'upgrade'
  tags: dokuwiki

- name: Create directory structure
  file: path={{ item.dir }} state=directory owner={{ item.owner | default(omit) }} group={{ item.groupe | default(omit) }} mode={{ item.mode | default(omit) }}
  with_items:
    - dir: "{{ dokuwiki_root_dir }}"
    - dir: "{{ dokuwiki_root_dir }}/web"
    - dir: "{{ dokuwiki_root_dir }}/tmp"
      owner: "{{ dokuwiki_php_user }}"
      mode: 700
    - dir: "{{ dokuwiki_root_dir }}/cache"
      owner: "{{ dokuwiki_php_user }}"
      mode: 700
    - dir: "{{ dokuwiki_root_dir }}/sessions"
      owner: "{{ dokuwiki_php_user }}"
      mode: 700
    - dir: "{{ dokuwiki_root_dir }}/data"
    - dir: "{{ dokuwiki_root_dir }}/meta"
      mode: 700
    - dir: "{{ dokuwiki_root_dir }}/web/conf/tpl"
      group: "{{ dokuwiki_php_user }}"
      mode: 770
  tags: dokuwiki

- name: Download Dokuwiki
  get_url:
    url: "{{ dokuwiki_archive_url }}"
    dest: "{{ dokuwiki_root_dir }}/tmp/"
    checksum: "sha1:{{ dokuwiki_archive_sha1 }}"
  when: dokuwiki_install_mode != 'none'
  tags: dokuwiki

- name: Extract dokuwiki archive
  unarchive:
    src: "{{ dokuwiki_root_dir }}/tmp/dokuwiki-{{ dokuwiki_version }}.tgz"
    dest: "{{ dokuwiki_root_dir }}/tmp/"
    remote_src: yes
  when: dokuwiki_install_mode != 'none'
  tags: dokuwiki

- name: Move the content of dokuwiki to the correct top directory
  synchronize:
    src: "{{ dokuwiki_root_dir }}/tmp/dokuwiki-{{ dokuwiki_version }}/"
    dest: "{{ dokuwiki_root_dir }}/web/"
    recursive: True
    delete: True
    rsync_opts:
      - '--exclude=data/'
  delegate_to: "{{ inventory_hostname }}"
  when: dokuwiki_install_mode != 'none'
  tags: dokuwiki

- name: Populate the data dir
  synchronize:
    src: "{{ dokuwiki_root_dir }}/tmp/dokuwiki-{{ dokuwiki_version }}/data/"
    dest: "{{ dokuwiki_root_dir }}/data/"
    recursive: True
  delegate_to: "{{ inventory_hostname }}"
  when: dokuwiki_install_mode != 'none'
  tags: dokuwiki

- name: Check existing conf to restore
  stat: path={{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }}/web/{{ item }}
  with_items:
    - conf/local.php
    - conf/acl.auth.php
    - conf/users.auth.php
    - conf/plugins.local.php
    - conf/tpl/
  register: dokuwiki_conf_to_restore
  when: dokuwiki_install_mode == 'upgrade'
  tags: dokuwiki

- name: Restore Configuration
  synchronize:
    src: "{{ item.stat.path }}"
    dest: "{{ dokuwiki_root_dir }}/web/{{ item.item }}"
    recursive: True
  delegate_to: "{{ inventory_hostname }}"
  with_items: "{{ dokuwiki_conf_to_restore.results }}"
  when:
    - dokuwiki_install_mode == 'upgrade'
    - item.stat.exists
  tags: dokuwiki

- name: List previously installed plugins
  shell: find {{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }}/web/lib/plugins -maxdepth 1 -mindepth 1 -type d -exec basename "{}" \;
  register: dokuwiki_current_plugins
  when:
    - dokuwiki_install_mode == 'upgrade'
    - not dokuwiki_remove_unmanaged_plugins
  tags: dokuwiki

- name: Restore unmanaged previous plugins
  synchronize:
    src: "{{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }}/web/lib/plugins/{{ item }}"
    dest: "{{ dokuwiki_root_dir }}/web/lib/plugins/"
    recursive: True
  delegate_to: "{{ inventory_hostname }}"
  with_items: "{{ dokuwiki_current_plugins.stdout_lines }}"
  when:
    - dokuwiki_install_mode == 'upgrade'
    - not dokuwiki_remove_unmanaged_plugins
  tags: dokuwiki

- name: List previously installed templates
  shell: find {{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }}/web/lib/tpl -maxdepth 1 -mindepth 1 -type d -exec basename "{}" \;
  register: dokuwiki_current_tpl
  when:
    - dokuwiki_install_mode == 'upgrade'
    - not dokuwiki_remove_unmanaged_tpl
  tags: dokuwiki

- name: Restore unmanaged previous templates
  synchronize:
    src: "{{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }}/web/lib/tpl/{{ item }}"
    dest: "{{ dokuwiki_root_dir }}/web/lib/tpl/"
    recursive: True
  delegate_to: "{{ inventory_hostname }}"
  with_items: "{{ dokuwiki_current_tpl.stdout_lines }}"
  when:
    - dokuwiki_install_mode == 'upgrade'
    - not dokuwiki_remove_unmanaged_tpl
  tags: dokuwiki

- name: Write dokuwiki version
  copy: content={{ dokuwiki_version }} dest={{ dokuwiki_root_dir }}/meta/ansible_version
  when: dokuwiki_install_mode != 'none'
  tags: dokuwiki

- name: Compress previous version
  command: tar cJf {{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }}.txz ./
  environment:
    XZ_OPT: -T0
  args:
    chdir: "{{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }}"
  when: dokuwiki_install_mode == 'upgrade'
  tags: dokuwiki

- name: Remove archive directory
  file: path={{ dokuwiki_root_dir }}/archives/{{ dokuwiki_current_version.stdout }} state=absent
  when: dokuwiki_install_mode == 'upgrade'
  tags: dokuwiki

- name: Build a list of installed plugins
  shell: find {{ dokuwiki_root_dir }}/web/lib/plugins -maxdepth 1 -mindepth 1 -type d -exec basename "{}" \;
  register: dokuwiki_installed_plugins
  changed_when: False
  tags: dokuwiki

- name: Install authhttpldap plugin
  copy: src=authhttpldap dest={{ dokuwiki_root_dir }}/web/lib/plugins
  tags: dokuwiki

- name: Download plugins
  get_url:
    url: "{{ dokuwiki_plugins[item].url }}"
    dest: "{{ dokuwiki_root_dir }}/tmp/"
  when:
    - item not in dokuwiki_installed_plugins.stdout_lines
    - dokuwiki_plugins[item] is defined
    - dokuwiki_plugins[item].type | default('plugin') == 'plugin'
  with_items: "{{ dokuwiki_plugins_to_install }}"
  tags: dokuwiki

- name: Extract plugins
  unarchive:
    src: "{{ dokuwiki_root_dir }}/tmp/{{ dokuwiki_plugins[item].archive_name }}"
    dest: "{{ dokuwiki_root_dir }}/tmp"
    remote_src: yes
  when:
    - item not in dokuwiki_installed_plugins.stdout_lines
    - dokuwiki_plugins[item] is defined
    - dokuwiki_plugins[item].type | default('plugin') == 'plugin'
  with_items: "{{ dokuwiki_plugins_to_install }}"
  tags: dokuwiki

- name: Move plugins to the final dir
  synchronize:
    src: "{{ dokuwiki_root_dir }}/tmp/{{ dokuwiki_plugins[item].archive_dir | default(dokuwiki_plugins[item].archive_name | splitext | first) }}/"
    dest: "{{ dokuwiki_root_dir }}/web/lib/plugins/{{ item }}"
    recursive: True
    delete: True
  delegate_to: "{{ inventory_hostname }}"
  when:
    - item not in dokuwiki_installed_plugins.stdout_lines
    - dokuwiki_plugins[item] is defined
    - dokuwiki_plugins[item].type | default('plugin') == 'plugin'
  with_items: "{{ dokuwiki_plugins_to_install }}"
  tags: dokuwiki

- name: Remove unmanaged plugins
  file: path={{ dokuwiki_root_dir }}/web/lib/plugins/{{ item }} state=absent
  with_items: "{{ dokuwiki_installed_plugins.stdout_lines }}"
  when:
    - item not in dokuwiki_plugins_to_install
    - item not in dokuwiki_core_plugins
    - dokuwiki_remove_unmanaged_plugins
  tags: dokuwiki

- name: Build a list of installed templates
  shell: find {{ dokuwiki_root_dir }}/web/lib/tpl -maxdepth 1 -mindepth 1 -type d -exec basename "{}" \;
  register: dokuwiki_installed_tpl
  changed_when: False
  tags: dokuwiki

- name: Download templates
  get_url:
    url: "{{ dokuwiki_plugins[item].url }}"
    dest: "{{ dokuwiki_root_dir }}/tmp/"
  when:
    - dokuwiki_plugins[item] is defined
    - dokuwiki_plugins[item].type | default('plugin') == 'tpl'
    - item not in dokuwiki_installed_tpl.stdout_lines | difference(['dokuwiki'])
  with_items: "{{ dokuwiki_tpl_to_install }}"
  tags: dokuwiki

- name: Extract templates
  unarchive:
    src: "{{ dokuwiki_root_dir }}/tmp/{{ dokuwiki_plugins[item].archive_name }}"
    dest: "{{ dokuwiki_root_dir }}/tmp"
    remote_src: yes
  when:
    - dokuwiki_plugins[item] is defined
    - dokuwiki_plugins[item].type | default('plugin') == 'tpl'
    - item not in dokuwiki_installed_tpl.stdout_lines | difference(['dokuwiki'])
  with_items: "{{ dokuwiki_tpl_to_install }}"
  tags: dokuwiki

- name: Move templates to the final dir
  synchronize:
    src: "{{ dokuwiki_root_dir }}/tmp/{{ dokuwiki_plugins[item].archive_dir | default(dokuwiki_plugins[item].archive_name | splitext | first) }}/"
    dest: "{{ dokuwiki_root_dir }}/web/lib/tpl/{{ item }}"
    recursive: True
    delete: True
  delegate_to: "{{ inventory_hostname }}"
  when:
    - dokuwiki_plugins[item] is defined
    - dokuwiki_plugins[item].type | default('plugin') == 'tpl'
    - item not in dokuwiki_installed_tpl.stdout_lines | difference(['dokuwiki'])
  with_items: "{{ dokuwiki_tpl_to_install }}"
  tags: dokuwiki

- name: Remove unmanaged tpl
  file: path={{ dokuwiki_root_dir }}/web/lib/tpl/{{ item }} state=absent
  with_items: "{{ dokuwiki_installed_plugins.stdout_lines }}"
  when:
    - item not in dokuwiki_tpl_to_install
    - item != 'dokuwiki'
    - dokuwiki_remove_unmanaged_tpl
  tags: dokuwiki

- name: Remove temp files
  file: path={{ dokuwiki_root_dir }}/tmp/{{ item }} state=absent
  with_items:
    - dokuwiki-{{ dokuwiki_version }}
    - dokuwiki-{{ dokuwiki_version }}.tgz
  tags: dokuwiki

- name: Remove plugins archives
  file: path={{ dokuwiki_root_dir }}/tmp/{{ dokuwiki_plugins[item].archive_name }} state=absent
  when: dokuwiki_plugins[item] is defined
  with_items: "{{ dokuwiki_plugins_to_install + dokuwiki_tpl_to_install }}"
  tags: dokuwiki

- name: Remove plugins temp files
  file: path={{ dokuwiki_root_dir }}/tmp/{{ dokuwiki_plugins[item].archive_dir | default(dokuwiki_plugins[item].archive_name | splitext | first) }} state=absent
  when: dokuwiki_plugins[item] is defined
  with_items: "{{ dokuwiki_plugins_to_install + dokuwiki_tpl_to_install }}"
  tags: dokuwiki

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

- name: Deploy httpd configuration
  template: src=httpd.conf.j2 dest=/etc/httpd/ansible_conf.d/10-dokuwiki_{{ dokuwiki_id }}.conf
  notify: reload httpd
  tags: dokuwiki

- name: Deploy php configuration
  template: src=php.conf.j2 dest=/etc/opt/remi/php{{ dokuwiki_php_version }}/php-fpm.d/dokuwiki_{{ dokuwiki_id }}.conf
  notify: restart php-fpm
  tags: dokuwiki

- name: Remove PHP config from other versions
  file: path=/etc/opt/remi/php{{ item }}/php-fpm.d/dokuwiki_{{ dokuwiki_id }}.conf state=absent
  with_items: "{{ httpd_php_versions | difference([ dokuwiki_php_version ]) }}"
  notify: restart php-fpm
  tags: dokuwiki

- name: Remove PHP config (using a custom pool)
  file: path=/etc/opt/remi/php{{ dokuwiki_php_version }}/php-fpm.d/dokuwiki_{{ dokuwiki_id }}.conf state=absent
  with_items: "{{ httpd_php_versions }}"
  when: dokuwiki_php_fpm_pool is defined
  notify: restart php-fpm
  tags: dokuwiki

- name: Deploy dokuwiki configuration
  template: src={{ item }}.j2 dest={{ dokuwiki_root_dir }}/web/conf/{{ item }} owner=root group={{ dokuwiki_php_user }} mode=660
  with_items:
    - local.protected.php
    - plugins.protected.php
  tags: dokuwiki

- name: Check if local.php exists
  stat: path={{ dokuwiki_root_dir }}/web/conf/local.php
  register: dokuwiki_local_php
  tags: dokuwiki

- name: Set default values
  template: src=local.php.j2 dest={{ dokuwiki_root_dir }}/web/conf/local.php
  when: not dokuwiki_local_php.stat.exists
  tags: dokuwiki

- name: Deploy htaccess
  template: src=htaccess.j2 dest={{ dokuwiki_root_dir }}/web/.htaccess
  tags: dokuwiki

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

- name: Set optimal permissions
  command: "{{ dokuwiki_root_dir }}/perms.sh"
  changed_when: False
  tags: dokuwiki

- include_tasks: filebeat.yml
  tags: always