Add PostgreSQL apt repo and signing key for installing specific versions of Postgres for debian based distros

tasks/setup-Debian.yml

@@ -1,4 +1,25 @@
 ---
+- name: Check if signing key is present
+ stat:
+ path: /etc/apt/trusted.gpg.d/pgdg.asc
+ register: postgresql_st_pgdg
+
+- name: Import and Write gpg key to pgdg.asc
+ get_url:
+ url: https://www.postgresql.org/media/keys/ACCC4CF8.asc
+ dest: /etc/apt/trusted.gpg.d/pgdg.asc
+ become: true
+ when: not postgresql_st_pgdg.stat.exists
+
+- name: Add postgresql repository into sources list
+ ansible.builtin.apt_repository:
+ repo: "deb http://apt.postgresql.org/pub/repos/apt {{ ansible_distribution_release }}-pgdg main"
+ state: present
+
+- name: Update cache
+ apt: update_cache=yes state=latest
+ become: true
+
 - name: Ensure PostgreSQL Python libraries are installed.
  apt:
  name: "{{ postgresql_python_library }}"