pbbouncer: minor fixes

CHANGELOG.md

@@ -22,6 +22,7 @@ The **patch** part changes is incremented if multiple releases happen the same m
 * elasticsearch: improve networking configuration
 * evolinux-users: remove Stretch references in tasks that also apply to next Debian versions
 * mysql: improve shell syntax for mysql_skip script
+* pbbouncer: minor fixes
 
 ### Fixed
 

pgbouncer/README.md

@@ -32,9 +32,13 @@ pgbouncer_account_list:
   - { name: "account2", hash: "<hash>" }
 ```
 
-The value of `hash` can be obtained by running this command on the PostgreSQL server: `select passwd from pg_shadow where usename='account1';`
+The value of `hash` can be obtained by running this command on the PostgreSQL server:
 
-> These accounts must exist on the PostegreSQL server.
+```
+select passwd from pg_shadow where usename='account1';
+```
+
+> These accounts must exist on the PostgreSQL server.
 
 The variables `pgbouncer_admin_users` and `pgbouncer_stats_users` list the SQL user can be access on pgbouncer console. This variables can be defines like this :
 

pgbouncer/defaults/main.yml

@@ -1,13 +1,18 @@
 ---
-pgbouncer_listen_addr: "127.0.0.1"
+pgbouncer_listen_addr:
+  - "127.0.0.1"
 pgbouncer_listen_port: "6432"
 
+# For PostgreSQL version  < 14, use "md5"
+# For PostgreSQL version >= 14, use "scram-sha-256"
 pgbouncer_auth_type: "scram-sha-256"
 
+# Each entry must have "name", "host" and "port" keys
 pgbouncer_databases: []
 
 pgbouncer_admin_users: []
 
 pgbouncer_stats_users: []
 
+# Each entry must have "name" and "hash" keys
 pgbouncer_account_list: []

pgbouncer/tasks/main.yml

@@ -7,17 +7,18 @@
 - name: Limit for PgBouncer is set
   ansible.builtin.lineinfile:
     path: /etc/default/pgbouncer
+    regexp: "ulimit -n"
     line: ulimit -n 65536
-  notify: Restart PgBouncer
+  notify: restart pgbouncer
 
 - name: Add config file for PgBouncer
   ansible.builtin.template:
     src: pgbouncer.ini.j2
     dest: /etc/pgbouncer/pgbouncer.ini
-  notify: Restart PgBouncer
+  notify: restart pgbouncer
   
 - name: Populate userlist.txt
   ansible.builtin.template:
     src: userlist.txt.j2
     dest: /etc/pgbouncer/userlist.txt
-  notify: Restart PgBouncer
+  notify: restart pgbouncer

pgbouncer/templates/pgbouncer.ini.j2

@@ -7,7 +7,7 @@
 logfile = /var/log/postgresql/pgbouncer.log
 pidfile = /var/run/postgresql/pgbouncer.pid
 
-listen_addr = {{ pgbouncer_listen_addr }}
+listen_addr = {{ pgbouncer_listen_addr | join(',') }}
 listen_port = {{ pgbouncer_listen_port }}
 unix_socket_dir =