- name: python 2
  set_fact:
    python_suffix: ""
  when: ansible_python_version is version('3', '<')

- name: python 3
  set_fact:
    python_suffix: "-py3"
  when: ansible_python_version is version('3', '>=')

- name: Include distribution and Python version specific variables
  include_vars: "{{ lookup('first_found', params) }}"
  vars:
    params:
      files:
        - '{{ ansible_distribution }}-{{ ansible_distribution_major_version }}{{ python_suffix }}.yml'
        - '{{ ansible_distribution }}-{{ ansible_distribution_version }}{{ python_suffix }}.yml'
        - '{{ ansible_os_family }}{{ python_suffix }}.yml'
        - 'default{{ python_suffix }}.yml'
      paths:
        - "{{ role_path }}/vars"

- name: make sure the dbus service is started under systemd
  systemd:
    name: dbus
    state: started
  when: ansible_service_mgr == 'systemd' and ansible_distribution == 'Fedora'

# Make sure we start fresh
- name: stop postgresql service
  service: name={{ postgresql_service }} state=stopped
  ignore_errors: True

- name: remove old db (RedHat or Suse)
  file:
    path: "{{ pg_dir }}"
    state: absent
  ignore_errors: True
  when: ansible_os_family == "RedHat" or ansible_os_family == "Suse"

- name: remove old db (FreeBSD)
  file:
    path: "{{ pg_dir }}"
    state: absent
  ignore_errors: True
  when: ansible_os_family == "FreeBSD"

# Theoretically, pg_dropcluster should work but it doesn't so remove files
- name: remove old db config and files (debian)
  file:
    path: '{{ loop_item }}'
    state: absent
  ignore_errors: True
  when: ansible_os_family == "Debian"
  loop:
  - /etc/postgresql
  - /var/lib/postgresql
  loop_control:
    loop_var: loop_item

- name: install dependencies for postgresql test
  package: name={{ postgresql_package_item }} state=present
  with_items: "{{ postgresql_packages }}"
  loop_control:
    loop_var: postgresql_package_item

- name: initialize postgres (FreeBSD)
  command: /usr/local/etc/rc.d/postgresql oneinitdb
  when: ansible_os_family == "FreeBSD"

- name: Initialize postgres (RedHat systemd)
  command: postgresql-setup initdb
  when: ansible_os_family == "RedHat" and ansible_service_mgr == "systemd"

- name: Initialize postgres (RedHat sysv)
  command: /sbin/service postgresql initdb
  when: ansible_os_family == "RedHat" and ansible_service_mgr != "systemd"

- name: Initialize postgres (Debian)
  shell: '. /usr/share/postgresql-common/maintscripts-functions && set_system_locale && /usr/bin/pg_createcluster -u postgres {{ pg_ver }} main'
  args:
    creates: "/etc/postgresql/{{ pg_ver }}/"
  when: ansible_os_family == 'Debian'

- name: Initialize postgres (Suse)
  service: name=postgresql state=restarted
  when: ansible_os_family == 'Suse'

- name: Copy pg_hba into place
  template:
    src: files/pg_hba.conf
    dest: "{{ pg_hba_location }}"
    owner: "{{ pg_user }}"
    group: "{{ pg_group }}"
    mode: "0644"

- name: Generate locales (Debian)
  locale_gen:
    name: '{{ item }}'
    state: present
  with_items:
    - pt_BR
    - es_ES
  when: ansible_os_family == 'Debian'

# Suse: locales are installed by default (glibc-locale package).
# Fedora 23: locales are installed by default (glibc-common package)
# CentOS: all locales are installed by default (glibc-common package) but some
# RPM macros could prevent their installation (for example when using anaconda
# instLangs parameter).

- block:
  - name: Install langpacks (RHEL8)
    yum:
      name:
        - glibc-langpack-es
        - glibc-langpack-pt
        - glibc-all-langpacks
      state: present
    when: ansible_distribution_major_version is version('8', '>=')

  - name: Check if locales need to be generated (RedHat)
    shell: "localedef --list-archive | grep -a -q '^{{ locale }}$'"
    register: locale_present
    ignore_errors: True
    with_items:
      - es_ES
      - pt_BR
    loop_control:
      loop_var: locale

  - name: Generate locale (RedHat)
    command: 'localedef -f ISO-8859-1 -i {{ item.locale }} {{ item.locale }}'
    when: item is failed
    with_items: '{{ locale_present.results }}'
  when: ansible_os_family == 'RedHat' and ansible_distribution != 'Fedora'

- name: Install glibc langpacks (Fedora >= 24)
  package:
    name: '{{ item }}'
    state: 'latest'
  with_items:
    - glibc-langpack-es
    - glibc-langpack-pt
  when: ansible_distribution == 'Fedora' and ansible_distribution_major_version is version('24', '>=')

- name: enable postgresql service (FreeBSD)
  lineinfile:
    path: /etc/rc.conf
    line: 'postgresql_enable="YES"'
  when: ansible_os_family == "FreeBSD"

- name: start postgresql service
  # work-around for issue on FreeBSD where service won't restart if currently stopped
  service: name={{ postgresql_service }} state=started

- name: restart postgresql service
  service: name={{ postgresql_service }} state=restarted

########################
# Setup dummy extension:
- name: copy control file for dummy ext
  copy:
    src: dummy.control
    dest: "/usr/share/postgresql/{{ pg_ver }}/extension/dummy.control"
    mode: 0444
  when: ansible_os_family == 'Debian'

- name: copy version files for dummy ext
  copy:
    src: "{{ item }}"
    dest: "/usr/share/postgresql/{{ pg_ver }}/extension/{{ item }}"
    mode: 0444
  with_items:
  - dummy--1.0.sql
  - dummy--2.0.sql
  - dummy--3.0.sql
  when: ansible_os_family == 'Debian'

- name: add update paths
  file:
    path: "/usr/share/postgresql/{{ pg_ver }}/extension/{{ item }}"
    mode: 0444
    state: touch
  with_items:
  - dummy--1.0--2.0.sql
  - dummy--2.0--3.0.sql
  when: ansible_os_family == 'Debian'

- name: Get PostgreSQL version
  become_user: "{{ pg_user }}"
  become: yes
  shell: "echo 'SHOW SERVER_VERSION' | psql --tuples-only --no-align --dbname postgres"
  register: postgres_version_resp

- name: Print PostgreSQL server version
  debug:
    msg: "{{ postgres_version_resp.stdout }}"

# SSL configuration.
# Restricted using Debian family because of there are errors on other distributions
# that not related with PostgreSQL or psycopg2 SSL support.
# The tests key point is to be sure that ssl options work in general
- import_tasks: ssl.yml
  when:
  - ansible_os_family == 'Debian'
  - postgres_version_resp.stdout is version('9.4', '>=')