homeassistant: Prepare system for installation (install packages, create directories)

roles/homeassistant/defaults/main.yml

@@ -1,3 +1,13 @@
 ---
 
+# Python version required for home assistant
 ha_python_version: '3.12'
+
+# The location of the config directory
+ha_conf_dir: /etc/homeassistant
+
+# The location of the installatin directory
+ha_venv_dir: "/opt/homeassistant"
+
+# The default user
+ha_user: homeassistant

roles/homeassistant/tasks/main.yml

@@ -3,3 +3,8 @@
 - name: Install python if required
   ansible.builtin.include_tasks: python_312.yml
   when: ha_python_version == '3.12'
+
+- name: Include sub-tasks
+  ansible.builtin.include_tasks: '{{ item }}'
+  loop:
+    - preparation.yml

roles/homeassistant/tasks/preparation.yml

@@ -0,0 +1,41 @@
+---
+
+- name: Install commonly-named packages
+  ansible.builtin.package:
+    name: "{{ item }}"
+    state: present
+  loop:
+    - python3
+    - python3-dev
+    - python3-venv
+    - python3-pip
+    - libffi-dev
+    - libssl-dev
+    - libjpeg-dev
+    - zlib1g-dev
+    - autoconf
+    - build-essential
+    - libopenjp2-7
+    - libtiff6
+    - libturbojpeg0
+    - tzdata
+    - git
+    - ffmpeg
+
+- name: Create user
+  ansible.builtin.user:
+    name: "{{ ha_user }}"
+    comment: "Home Assistant"
+    system: true
+    shell: "/sbin/nologin"
+
+- name: Create directory
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: directory
+    mode: "02775"
+    owner: "{{ ha_user }}"
+    group: "{{ ha_user }}"
+  loop:
+    - "{{ ha_conf_dir }}"
+    - "{{ ha_venv_dir }}"