pgbouncer: Add auth_dbname option (#433)

roles/pgbouncer/templates/pgbouncer.ini.j2

@@ -14,6 +14,7 @@ unix_socket_dir = /var/run/postgresql
 auth_type = {{ pgbouncer_auth_type }}
 {% if pgbouncer_auth_user | bool %}
 auth_user = {{ pgbouncer_auth_username }}
+auth_dbname = {{ pgbouncer_auth_dbname }}
 auth_query = SELECT usename, passwd FROM user_search($1)
 {% else %} 
 auth_file = {{ pgbouncer_conf_dir }}/userlist.txt

vars/main.yml

@@ -295,13 +295,14 @@ pgbouncer_max_db_connections: 1000
 pgbouncer_default_pool_size: 20
 pgbouncer_query_wait_timeout: 120
 pgbouncer_default_pool_mode: "session"
-pgbouncer_admin_users: "postgres"  # comma-separated list of users, who are allowed to change settings
-pgbouncer_stats_users: "postgres"  # comma-separated list of users who are just allowed to use SHOW command
+pgbouncer_admin_users: "{{ patroni_superuser_username }}"  # comma-separated list of users, who are allowed to change settings
+pgbouncer_stats_users: "{{ patroni_superuser_username }}"  # comma-separated list of users who are just allowed to use SHOW command
 pgbouncer_ignore_startup_parameters: "extra_float_digits,geqo,search_path"
 pgbouncer_auth_type: "{{ postgresql_password_encryption_algorithm }}"
 pgbouncer_auth_user: true # or 'false' if you want to manage the list of users for authentication in the database via userlist.txt
 pgbouncer_auth_username: pgbouncer # user who can query the database via the user_search function
 pgbouncer_auth_password: "pgbouncer-pass" # please change password
+pgbouncer_auth_dbname: "postgres"
 
 pgbouncer_pools:
   - { name: "postgres", dbname: "postgres", pool_parameters: "" }