cloud-configuration/ansible/roles/pretix/tasks/database.yaml

---
- name: Check if postgres password exists
  ansible.builtin.stat:
    path: ~/.pretix_db_password
  register: pretix_db_password_file
- name: Read in postgres password
  ansible.builtin.command:
    cmd: cat ~/.pretix_db_password
  register: pretix_db_password
  when: pretix_db_password_file.stat.exists
- name: Create DB user password
  ansible.builtin.command:
    cmd: openssl rand -hex 32
  register: pretix_db_password
  changed_when: false
  when: not pretix_db_password_file.stat.exists
- name: Create DB user
  community.postgresql.postgresql_user:
    login_user: "{{ ssh_user }}"
    login_unix_socket: "/home/{{ ssh_user }}/tmp"
    login_db: "postgres"
    name: "{{ ssh_user }}_pretix"
    password: "{{ pretix_db_password.stdout }}"
    state: present
  environment:
    PGOPTIONS: "-c password_encryption=scram-sha-256"
- name: Write out DB user password
  ansible.builtin.copy:
    content: "{{ pretix_db_password.stdout }}"
    dest: ~/.pretix_db_password
    owner: "{{ ssh_user }}"
    group: "{{ ssh_user }}"
    mode: "600"
- name: Create database
  community.postgresql.postgresql_db:
    login_user: "{{ ssh_user }}"
    login_unix_socket: "/home/{{ ssh_user }}/tmp"
    maintenance_db: "postgres"
    name: "{{ ssh_user }}_pretix"
    owner: "{{ ssh_user }}_pretix"
    encoding: UTF-8
    template: template0
    comment: Database for pretix
    state: present
  register: pretix_db