---
default_postgres_version: 13
# distributions:
#   bionic-pgdg
#   bullseye-pgdg
#   buster-pgdg
#   focal-pgdg
#   groovy-pgdg
#   hirsute-pgdg
#   sid-pgdg
#   stretch-pgdg
#   xenial-pgdg
default_postgres_target_distribution: focal-pgdg
default_max_connections: 1000
default_shared_buffers: 256MB

database_state: present

postgres_homedir: '/var/lib/postgresql'

postgres_listen_addresses: "listen_addresses = 'localhost,{{ stage_private_server_ip }}'"

postgres_base_config:
  -
    regex: "^data_directory"
    line: "data_directory = '/var/lib/postgresql/{{ default_postgres_version }}/main'"
  -
    regex: "^hba_file"
    line: "hba_file = '/etc/postgresql/{{ default_postgres_version }}/main/pg_hba.conf'"
  -
    regex: "^ident_file"
    line: "ident_file = '/etc/postgresql/{{ default_postgres_version }}/main/pg_ident.conf'"
  -
    regex: "^external_pid_file"
    line: "external_pid_file = '/var/run/postgresql/{{ default_postgres_version }}-main.pid'"
  -
    regex: "^port"
    line: "port = 5432"
  -
    regex: "^unix_socket_directories"
    line: "unix_socket_directories = '/var/run/postgresql'"
  -
    regex: "^dynamic_shared_memory_type"
    line: "dynamic_shared_memory_type = posix"
  -
    regex: "^max_wal_size"
    line: "max_wal_size = 1GB"
  -
    regex: "^min_wal_size"
    line: "min_wal_size = 80MB"
  -
    regex: "^log_line_prefix"
    line: "log_line_prefix = '%m [%p] %q%u@%d '"
  -
    regex: "^log_timezone"
    line: "log_timezone = 'Etc/UTC'"
  -
    regex: "^cluster_name"
    line: "cluster_name = '{{ default_postgres_version }}/main'"
  -
    regex: "^stats_temp_directory"
    line: "stats_temp_directory = '/var/run/postgresql/{{ default_postgres_version }}-main.pg_stat_tmp'"
  -
    regex: "^datestyle"
    line: "datestyle = 'iso, mdy'"
  -
    regex: "^timezone"
    line: "timezone = 'Etc/UTC'"
  -
    regex: "^lc_messages"
    line: "lc_messages = 'en_US.UTF-8'"
  -
    regex: "^lc_monetary"
    line: "lc_monetary = 'en_US.UTF-8'"
  -
    regex: "^lc_numeric"
    line: "lc_numeric = 'en_US.UTF-8'"
  -
    regex: "^lc_time"
    line: "lc_time = 'en_US.UTF-8'"
  -
    regex: "^default_text_search_config"
    line: "default_text_search_config = 'pg_catalog.english'"
  -
    regex: "^include_dir"
    line: "include_dir = 'conf.d'"
  -
    regex: "^wal_level"
    line: "wal_level = replica"
  -
    regex: "^max_wal_senders"
    line: "max_wal_senders = 10"
  -
    regex: "^archive_mode"
    line: "archive_mode = on"
  -
    regex: "^archive_command"
    line: "archive_command = 'cp -f %p /postgresql/replication/%f'"
  -
    regex: "^wal_keep_size"
    line: "wal_keep_size = 16"
  -
    regex: "^listen_addresses = "
    line: "{{ postgres_listen_addresses }}"
  -
    regex: "^max_connections"
    line: "max_connections = {{ default_max_connections }}"
  -
    regex: "^shared_buffers"
    line: "shared_buffers = {{ default_shared_buffers }}"

postgres_ssl_config:
  -
    regex: "^ssl = on"
    line: "ssl = on"
  -
    regex: "^ssl_key_file"
    line: "ssl_key_file = '{{ cert_private_key }}'"
  -
    regex: "^ssl_cert_file"
    line: "ssl_cert_file = '{{ cert_public_key }}'"
  -
    regex: "^ssl_ca_file"
    line: "ssl_ca_file = '{{ ca_cert }}'"
  -
    regex: "^ssl_ciphers"
    line: "ssl_ciphers = 'HIGH'"

postgres_config : '{{ postgres_base_config + ( postgres_ssl_config | default([]) ) }}'

prometheus_postgres_exporter_config:
  -
    regex: "^ARGS="
    line: "ARGS=\"--web.listen-address='{{ stage_private_server_ip }}:{{ monitor_port_postgres }}'\""
  -
    regex: "^DATA_SOURCE_URI"
    line: "DATA_SOURCE_URI='postgres@:5432/postgres?host=/var/run/postgresql'"
  -
    regex: "^PG_EXPORTER_AUTO_DISCOVER_DATABASES"
    line: "PG_EXPORTER_AUTO_DISCOVER_DATABASES=true"
  -
    regex: "^PG_EXPORTER_EXTEND_QUERY_PATH"
    line: "PG_EXPORTER_EXTEND_QUERY_PATH=/metrics/queries.yaml"



database_engine: postgres
backup_dest_dir: "{{ backup_directory }}/{{ database_engine }}/{{ get_current_date }}"
backup_status_file: '{{ backup_dest_dir }}/backup_finished'