---
- name: Create the exist-db user and the directory tree
  block:
    - name: Create the exist-db user
      user: name={{ exist_db_user }} home={{ exist_db_home }} comment="eXist-db Service Account" createhome=no shell=/usr/sbin/nologin system=yes

    - name: Create the exist-db base path
      file: dest={{ item }} state=directory mode=0750 owner=root group={{ exist_db_group }}
      with_items:
        - '{{ exist_db_home }}'
        - '{{ exist_db_home }}/distribution'
        - '{{ exist_db_conf_dir }}'

    - name: Create the exist-db directory tree
      file: dest={{ item }} state=directory mode=0750 owner={{ exist_db_user }} group={{ exist_db_group }}
      with_items:
        - '{{ exist_db_data_dir }}'
        - '{{ exist_db_journal_dir }}'
        - '{{ exist_db_backup_dir }}'
        - '{{ exist_db_logdir }}'

    - name: Link the log and data directories from the exist distribution directory
      file: dest={{ exist_db_home }}/distribution/{{ exist_db_distribution_dir }}/{{ item }} state=absent
      with_items:
        - 'data'
        - 'logs'

    - name: Link the log directory into the exist distribution directory
      file: src={{ exist_db_logdir }} dest={{ exist_db_home }}/distribution/{{ exist_db_distribution_dir }}/logs state=link

    - name: Link the data directory into the exist distribution directory
      file: src={{ exist_db_data_dir }} dest={{ exist_db_home }}/distribution/{{ exist_db_distribution_dir }}/data state=link

  tags: [ 'exist-db', 'exist_db' ]

- name: Download and unpack the eXist DB distribution
  block:
    - name: Download the eXist DB archive
      get_url: url={{ exist_db_distribution }} dest=/srv/exist-distribution-{{ exist_db_version }}-unix.tar.bz2

    - name: Unarchive the eXist DB distribution
      unarchive: src=/srv/exist-distribution-{{ exist_db_version }}-unix.tar.bz2 dest={{ exist_db_home }}/distribution remote_src=yes owner=root group=root
      args:
        creates: '{{ exist_db_home }}/distribution/{{ exist_db_distribution_dir }}/lib'

  tags: [ 'exist-db', 'exist_db' ]

- name: Configure the eXistDB service
  block:
    - name: Install the changes to the configuration files in the custom etc/ directory
      template: src={{ item }}.j2 dest={{ exist_db_conf_dir }}/{{ item }}
      with_items:
        - 'conf.xml'
        - 'log4j2.xml'
      notify: Restart existdb

    - name: Install the startup scripts
      template: src={{ item }}.j2 dest={{ exist_db_home }}/distribution/{{ exist_db_distribution_dir }}/bin/{{ item }} owner=root group=root mode=0755
      with_items:
        - 'startup.sh'
        - 'shutdown.sh'
        - 'backup.sh'
        - 'client.sh'
        - 'export.sh'

    - name: Install the exist-db systemd unit
      template: src=exist-db.service.j2 dest=/lib/systemd/system/exist-db.service owner=root group=root mode=0644
      register: existdb_unit_install

    - name: Reload the systemd configuration
      systemd: daemon_reload=yes
      when: existdb_unit_install is changed

    - name: Ensure that the eXistDB service is running and enabled
      service: name=exist-db state=started enabled=yes

  tags: [ 'exist-db', 'exist_db', 'exist_db_conf' ]