feat: pg with extensions and open to podmans containers

roles/postgres/tasks/archlinux.yml

@@ -0,0 +1,38 @@
+---
+- name: Check if pgvector is installed
+  ansible.builtin.command: pacman -Qi pgvector
+  register: pgvector_installed
+  changed_when: false
+  failed_when: false
+
+- name: Install pgvector from AUR
+  when: pgvector_installed.rc != 0
+  block:
+    - name: Disable SUDOERS password prompt for AUR installation
+      no_log: true
+      ansible.builtin.lineinfile:
+        dest: /etc/sudoers
+        state: present
+        regexp: "^#?%wheel"
+        line: "%wheel ALL=(ALL) NOPASSWD: ALL"
+        validate: /usr/sbin/visudo -cf %s
+
+    - name: Install pgvector from AUR
+      become: false
+      ansible.builtin.command:
+        cmd: "paru -S --noconfirm pgvector"
+
+    - name: Restore SUDOERS password prompt after AUR installation
+      no_log: true
+      ansible.builtin.lineinfile:
+        dest: /etc/sudoers
+        state: present
+        regexp: "^#?%wheel"
+        line: "%wheel ALL=(ALL:ALL) ALL"
+        validate: /usr/sbin/visudo -cf %s
+
+- name: Ensure PostgreSQL is initialized
+  ansible.builtin.command:
+    cmd: initdb -D {{ postgres_data_dir }}
+    creates: "{{ postgres_data_dir }}/PG_VERSION"
+  become_user: "{{ postgres_admin_user }}"