etc_systemd_system_postgresql.service.d_custom.conf.j2

# {{ ansible_managed }}
# Systemd unit file override to specify user/group as well as separate config
# and data directories.

[Unit]
Description={{ postgresql_service_description }}

[Service]
User={{ postgresql_service_user }}
Group={{ postgresql_service_group }}

Environment=PGDATA={{ postgresql_conf_directory }}
ExecStartPre=
{% if postgresql_version is version_compare('10', '>=') %}
ExecStartPre={{ postgresql_bin_directory }}/postgresql-{{ postgresql_version_terse }}-check-db-dir {{ postgresql_data_directory }}
{% else %}
ExecStartPre={{ postgresql_bin_directory }}/postgresql{{ postgresql_version_terse }}-check-db-dir {{ postgresql_data_directory }}
{% endif %}