modify role hass to work with venv

defaults/main.yml

@@ -1,12 +1,16 @@
 ---
 # defaults file for hass
 
+hass_python_package:
+  - mysqlclient
+  - homeassistant
 hass_conf_folder: /var/lib/hass
-hass_pacman_name: home-assistant 
+hass_venv_location: /opt/venv/hass
 hass_db_name: hass
 hass_db_user: hass
 hass_SQl_target_file: /
 hass_db_password: toto
 hass_repo: git
 hass_repo_branch: master
-hass_user: []
+hass_username: hass
+hass_users: []

handlers/main.yml

@@ -6,4 +6,5 @@
     name: home-assistant
     state: restarted
   when: ansible_service_mgr == "systemd"
-  become: yes
+  become: yes
+

tasks/main.yml

@@ -28,19 +28,45 @@
     priv: "{{ hass_db_name }}.*:ALL"
     state: present
 
-- name: install HASS 
-  pacman:
-      state: present # not required. choices: absent;latest;present. Desired state of the package.
-      name: "{{hass_pacman_name}}" # not required. Name or list of names of the packages to install, upgrade, or remove.
+- name: create hass user 
+  become: yes
+  user:
+      name: "{{hass_username}}" # required. Name of the user to create, remove or modify.
+      create_home: yes
+      state: present # not required. choices: absent;present. Whether the account should exist or not, taking action if the state is different from what is stated.
+      shell: usr/bin/nologin
+      home: "{{ hass_conf_folder }}"
+      comment: "Home Assistant daemon user"
+
+
+- name: ensure venv folder exist
+  file:
+    name: "{{hass_venv_location}}"
+    state: directory
+    owner: "{{hass_username}}"
+    group: "{{hass_username}}"
+    mode: 0777
   become: yes
 
-- name: add {{user.name}} to hass group
+
+- name: create venv
+  pip:
+    name: "{{hass_python_package}}" 
+    virtualenv: "{{hass_venv_location}}"
+    virtualenv_command: /usr/bin/python -m venv
+  become: true
+  become_user: "{{hass_username}}"
+
+
+
+- name: add user to hass group
   become: true
   user:
     name: "{{ item }}"
-    groups: hass
+    groups:
+      - "{{hass_username}}"
     append: true
-  with_items: "{{ hass_user }}"
+  with_items: "{{ hass_users }}"
 
 - name: check repo
   become: yes
@@ -99,6 +125,21 @@
       name: "auto commit HASS config" # not required. Description of a crontab entry or, if env is set, the name of environment variable. Required if state=absent. Note that if name is not set and state=present, then a new crontab entry will always be created, regardless of existing ones.
   become: yes
 
+- name: copy systemd file
+  template:
+    src: home-assistant.service.j2
+    dest: /etc/systemd/system/home-assistant.service
+  notify:
+    - restart hass
+  become: yes
+  register: hass_service_changed
+
+- name: Reload systemd
+  systemd:
+    daemon_reload: yes
+  become: yes
+  when: hass_service_changed.changed
+
 - name: enable HASS
   service:
       name: home-assistant # required. Name of the service.

templates/home-assistant.service.j2

@@ -0,0 +1,11 @@
+[Unit]
+Description=Home Assistant
+After=network-online.target
+
+[Service]
+Type=simple
+User={{hass_username}}
+ExecStart={{hass_venv_location}}/bin/hass -c "{{hass_conf_folder}}"
+
+[Install]
+WantedBy=multi-user.target