first commit

templates/pgbouncer.ini.j2

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+[databases]
+{% for pool in pgbouncer_pools %}
+{{ pool.name }} = host={{ pool.host | default('127.0.0.1') }} port={{ pool.port | default('5432') }} dbname={{ pool.dbname }} {{ pool.pool_parameters }}
+{% endfor %}
+
+* = host=127.0.0.1 port={{ pgbouncer_postgresql_port | default('5432') }}
+
+[pgbouncer]
+{% if pgbouncer_client_tls_sslmode != 'disable' %}
+client_tls_sslmode = {{ pgbouncer_client_tls_sslmode }}
+client_tls_protocols = {{ pgbouncer_client_tls_protocols }}
+client_tls_ciphers = {{ pgbouncer_client_tls_ciphers }}
+client_tls_key_file = {{ pgbouncer_client_tls_key_file }}
+client_tls_cert_file = {{ pgbouncer_client_tls_cert_file }}
+{% endif %}
+{% if pgbouncer_server_tls_sslmode != 'disable' %}
+server_tls_sslmode = {{ pgbouncer_server_tls_sslmode }}
+{% endif %}
+logfile = {{ pgbouncer_log_dir }}/{{ pgbouncer_log_name }}
+pidfile = {{ pgbouncer_pid_dir }}/{{ pgbouncer_pid_name }}
+listen_addr = {{ hostvars[inventory_hostname]['inventory_hostname'] }}
+listen_port = {{ pgbouncer_listen_port | default(6432) }}
+unix_socket_dir = /var/run/postgresql
+auth_type = {{ pgbouncer_auth_type }}
+auth_file = {{ pgbouncer_auth_file }}
+{% if pgbouncer_auth_user is defined %}
+auth_user = {{ pgbouncer_auth_user }}
+{% endif %}
+{% if pgbouncer_auth_type == 'hba' %}
+auth_hba_file = {{ pgbouncer_auth_hba_file }}
+{% endif %}
+admin_users = {{ pgbouncer_admin_users }}
+ignore_startup_parameters = {{ pgbouncer_ignore_startup_parameters }}
+
+pool_mode = {{ pgbouncer_default_pool_mode }}
+server_reset_query = DISCARD ALL
+max_client_conn = {{ pgbouncer_max_client_conn }}
+default_pool_size = {{ pgbouncer_default_pool_size }}
+reserve_pool_size = 1
+reserve_pool_timeout = 1
+max_db_connections = {{ pgbouncer_max_db_connections }}
+pkt_buf = 8192
+listen_backlog = 4096
+
+log_connections = 0
+log_disconnections = 0
+
+# Documentation https://pgbouncer.github.io/config.html

templates/pgbouncer.service.j2

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+[Unit]
+Description=pgBouncer connection pooling for PostgreSQL
+After=syslog.target network.target
+
+[Service]
+Type=forking
+
+User=postgres
+Group=postgres
+
+PermissionsStartOnly=true
+ExecStartPre=-/bin/mkdir -p /var/run/pgbouncer {{ pgbouncer_log_dir }}
+ExecStartPre=/bin/chown -R postgres:postgres /var/run/pgbouncer {{ pgbouncer_log_dir }}
+{% if ansible_os_family == "Debian" %}
+ExecStart=/usr/sbin/pgbouncer -d {{ pgbouncer_conf_dir }}/pgbouncer.ini
+{% endif %}
+{% if ansible_os_family == "RedHat" %}
+ExecStart=/usr/bin/pgbouncer -d {{ pgbouncer_conf_dir }}/pgbouncer.ini
+{% endif %}
+ExecReload=/bin/kill -SIGHUP $MAINPID
+PIDFile=/var/run/pgbouncer/pgbouncer.pid
+Restart=on-failure
+
+LimitNOFILE=100000
+
+[Install]
+WantedBy=multi-user.target

templates/userlist.txt.j2

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+"{{ pgbouncer_postgresql_superuser_username }}" "{{ pgbouncer_postgresql_superuser_password_hash.query_result.0.passwd }}"