add postgres exporter

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

roles/postgres/tasks/ansible_deps.yml

@@ -1,7 +1,7 @@
 ---
 - name: Update apt cache
   apt:
-    update_cache: yes
+    update_cache: true
   become: true
 
 - name: Install ansible dependencies

roles/postgres/tasks/configuration.yml

@@ -16,18 +16,18 @@
     encoding: UTF8
     lc_collate: "en_US.UTF-8"
     lc_ctype: "en_US.UTF-8"
-  become: yes
+  become: true
   become_user: postgres
   vars:
     ansible_remote_temp: "/tmp/"
 
-- name: "Grant all privileges on database {{ db.name }} to {{ db.user }};"
+- name: "Grant privileges to {{ db.user }}"
   community.postgresql.postgresql_privs:
     db: "{{ db.name }}"
     privs: ALL
     type: database
     roles: "{{ db.user }}"
-  become: yes
+  become: true
   become_user: postgres
   vars:
     ansible_remote_temp: "/tmp/"
@@ -39,13 +39,13 @@
     type: schema
     obj: "public"
     roles: "{{ db.user }}"
-  become: yes
+  become: true
   become_user: postgres
   vars:
     ansible_remote_temp: "/tmp/"
 
-- name: "Allow md5 connection for the {{ db.user }} user"
-  postgresql_pg_hba:
+- name: "Allow md5 connection for the user {{ db.user }}"
+  community.postgresql.postgresql_pg_hba:
     dest: "/etc/postgresql/15/main/pg_hba.conf"
     contype: host
     databases: all
@@ -53,16 +53,17 @@
     address: "{{ k3s.net }}"
     users: "{{ db.user }}"
     create: false
-  become: yes
+  become: true
   notify:
     - Restart postgres
 
 - name: "Set public listen address"
   become: true
-  lineinfile:
+  ansible.builtin.lineinfile:
     dest: "/etc/postgresql/15/main/conf.d/listen.conf"
     regexp: "^#?listen_addresses="
     line: "listen_addresses='{{ db.listen_address | default('localhost') }}'"
     state: present
-    create: yes
+    mode: "644"
+    create: true
   notify: "Restart postgres"