Use postgresql_pg_hba.

defaults/main.yml

@@ -1,9 +1,10 @@
 ---
 psql_db_port: 5432
-psql_version: 11
+psql_version: 16
 psql_conf_base_dir: '/etc/postgresql'
 psql_conf_default_dir: '{{ psql_conf_base_dir }}/{{ psql_version }}/main'
-psql_force_ssl_client_connection: False
+psql_conf_dir: "{{ psql_conf_default_dir }}"
+psql_force_ssl_client_connection: false
 
 #psql_db_data:
   # Example of line needed to create a db, create the user that owns the db, manage the db accesses (used by iptables too). All the fields are mandatory.

tasks/configure-access.yml

@@ -1,39 +1,29 @@
 ---
-- name: Manage the pg_hba.conf file
-  block:
-  - name: Give access to the remote postgresql client
-    lineinfile: name={{ psql_conf_base_dir }}/{{ item.0.pgsql_version }}/main/pg_hba.conf regexp="^host.* {{ item.0.name }} {{ item.0.user }} {{ item.1 }}.*$" line="host {{ item.0.name }} {{ item.0.user }} {{ item.1 }} md5"
-    with_subelements: 
-      - '{{ psql_db_data | default([]) }}'
-      - allowed_hosts
-    when:
-      - psql_db_data is defined
-      - item.1 is defined
-      - not psql_force_ssl_client_connection
-    notify: Reload postgresql
-
-  - name: Give access to the remote postgresql client, enforce ssl
-    lineinfile: name={{ psql_conf_base_dir }}/{{ item.0.pgsql_version }}/main/pg_hba.conf regexp="^host.* {{ item.0.name }} {{ item.0.user }} {{ item.1 }}.*$" line="hostssl {{ item.0.name }} {{ item.0.user }} {{ item.1 }} md5"
-    with_subelements: 
-      - '{{ psql_db_data | default([]) }}'
-      - allowed_hosts
-    when:
-      - psql_db_data is defined
-      - item.1 is defined
-      - psql_force_ssl_client_connection
-    notify: Reload postgresql
-
+- name: configure-access | Manage the pg_hba.conf file
   delegate_to: "{{ item.0.db_host }}"
   when: item.0.db_host is defined
   tags: ['postgresql', 'postgres', 'pg_hba', 'pg_db']
-
-- name: Manage the permissions of the pg_hba.conf file
   block:
-  - name: Set the correct permissions to the pg_hba.conf file
-    file: dest={{ psql_conf_base_dir }}/{{ item.pgsql_version }}/main/pg_hba.conf owner=root group=postgres mode=0640
-    with_items: '{{ psql_db_data | default([]) }}'
+    - name: configure-access | Give access to the remote postgresql client
+      community.postgresql.postgresql_pg_hba:
+        dest: '{{ psql_conf_dir }}/pg_hba.conf'
+        contype: '{% if psql_force_ssl_client_connection %}hostssl{% else %}host{% endif %}'
+        users: '{{ item.0.user }}'
+        address: '{{ item.1 }}'
+        databases: '{{ item.0.name }}'
+        # method: 'scram-sha-256'
+        method: 'md5'
+        owner: root
+        group: postgres
+        mode: "0640"
+        state: "{{ item.0.state | default('present') }}"
+      with_subelements:
+        - '{{ psql_db_data | default([]) }}'
+        - allowed_hosts
+      when:
+        - psql_db_data is defined
+        - item.1 is defined
+      notify: Reload postgresql
 
-  delegate_to: "{{ item.db_host }}"
-  when: item.db_host is defined
-  run_once: True
-  tags: [ 'postgresql', 'postgres', 'pg_hba', 'pg_conf', 'pg_db' ]
+    - name: configure-access | Flush handlers
+      ansible.builtin.meta: flush_handlers