install-CentOS.yml

---

- name: PostgreSQL | Ensure required libs are installed
  yum:
    name: "{{ pg_required_libs }}"
    state: present
  changed_when: false
  tags: postgresql,postgresql-install

- name: PostgreSQL | Setting more OS specific variables (RHEL)
  set_fact:
    pg_url_rpm: "{{ pg_url_rpm if pg_url_rpm is defined else __pg_url_rpm }}"
    pg_setup_command: "{{ pg_setup_command if pg_setup_command is defined else __pg_setup_command }}"
  tags: postgresql,postgresql-install

- block:
    - name: PostgreSQL | Be sure postgresql repo packages configured (yum)
      yum:
        name: "{{ pg_url_rpm }}"
        state: present
    - name: PostgreSQL | Disable postgresql module (dnf)
      command:
        cmd: dnf -qyv module disable postgresql
      when: ansible_distribution_major_version == '8'
      register: dnf_result
      changed_when: not ('Nothing to do' in dnf_result.stdout)
    - name: PostgreSQL | Be sure postgresql is installed (yum)
      yum:
        name: "{{ pg_packages }}"
        state: present
  tags: postgresql,postgresql-install

- name: PostgreSQL | Ensure needed directories exist
  file:
    state: directory
    path: "{{ item }}"
    owner: "{{ pg_user }}"
    group: "{{ pg_group }}"
    mode: 0700
  with_items:
    - "{{ pg_config_directory }}"
    - "{{ pg_data_directory }}"
    - "{{ pg_log_directory }}"
  notify: "restart postgresql"
  tags: postgresql,postgresql-install

- name: PostgreSQL | Ensure systemd unit configuration
  template:
    src: "{{ pg_systemd_templates_path }}/postgresql.service.j2"
    dest: "/usr/lib/systemd/system/postgresql-{{ pg_major_release }}.service"
    owner: root
    group: root
    mode: 0755
  notify: "{{ pg_handler_on_config_change }}"

- name: PostgreSQL | Systemd reload units
  systemd:
    daemon_reload: true
  tags: postgresql,postgresql-install
# Soft fail if cluster exists
#
- name: PostgreSQL | Init database (RHEL)
  command: "{{ pg_setup_command }} initdb"
  environment:
    PGSETUP_INITDB_OPTIONS: "{{ pg_initdb_options if pg_initdb_options is defined else __pg_initdb_options }}"
  register: initdb_result
  failed_when: (initdb_result.rc != 0) and ( not ('not empty' in initdb_result.stdout))
  changed_when: (initdb_result.rc == 0) and ( not ('not empty' in initdb_result.stdout))
  tags: postgresql,postgresql-install

- name: PostgreSQL | Be sure postgresqld is running and enabled
  service:
    name: "{{ pg_service }}"
    state: "{{ pg_service_state }}"
    enabled: "{{ pg_service_enabled }}"
  tags: postgresql,postgresql-install