fix: ensure pgbouncer works upon systemctl start

Author: dragarcia

ansible/files/pgbouncer_config/pgbouncer.ini.j2

@@ -56,10 +56,9 @@ listen_port = 6543
 
 ;; Unix socket is also used for -R.
 ;; On Debian it should be /var/run/postgresql
-;unix_socket_dir = /tmp
+unix_socket_dir = /tmp
 ;unix_socket_mode = 0777
 ;unix_socket_group =
-unix_socket_dir = /var/run/postgresql
 
 ;;;
 ;;; TLS settings for accepting clients

ansible/files/pgbouncer_config/tmpfiles.d-pgbouncer.conf.j2

@@ -0,0 +1,2 @@
+# Directory for PostgreSQL sockets, lockfiles and stats tempfiles
+d /run/pgbouncer 2775 postgres postgres - -

ansible/tasks/setup-pgbouncer.yml

@@ -8,13 +8,6 @@
     update_cache: yes
     cache_valid_time: 3600
 
-- name: Create directory for pgbouncer.pid
-  file:
-    path: /var/run/pgbouncer
-    state: directory
-    owner: postgres
-    group: postgres
-
 - name: PgBouncer - download latest release
   get_url:
     url: "https://www.pgbouncer.org/downloads/files/{{ pgbouncer_release }}/pgbouncer-{{ pgbouncer_release }}.tar.gz"
@@ -57,6 +50,19 @@
     src: files/pgbouncer_config/pgbouncer.ini.j2
     dest: /etc/pgbouncer/pgbouncer.ini
 
+- name: PgBouncer - create a directory if it does not exist
+  file:
+    path: /etc/pgbouncer/userlist.txt
+    state: touch
+    group: postgres
+    owner: postgres
+
+- name: import /etc/tmpfiles.d/pgbouncer.conf
+  template:
+    src: files/pgbouncer_config/tmpfiles.d-pgbouncer.conf.j2
+    dest: /etc/tmpfiles.d/pgbouncer.conf
+  become: yes
+
 # Add systemd file for PgBouncer
 - name: PgBouncer - import postgresql.service
   template: