refactor: changed vars to reflect new variable names

refactor: changed variables pattern to be more consistent with ansible good practises and more flexible to use.
refactor: remove useless comment
doc: Readme in English and French

README-FR.md

+# ansible-yunohost
+[🇬🇧 English version](README.md)
+
+Deployez Yunohost avec Ansible !
+
+## Prérequis
+
+Aucun.
+
+## Role Variables
+Les variables par défaut sont disponibles dans `default/main.yml` cependant il est nécessaire de les surcharger selon vos besoins en termes de domaines, d'utilisateurs et d'applications sur Yunohost.
+
+## Exemple de Variables
+```yml
+---
+# Debian 10 script only.
+ynh_install_script_url: https://install.yunohost.org
+
+ynh_admin_password: MYINSECUREPWD_PLZ_OVERRIDE_THIS
+
+# The list of domains.
+ynh_main_domain: domain.tld
+ynh_extra_domains: 
+  - forum.domain.tld
+  - wiki.domain.tld
+ynh_ignore_dyndns_server: False
+
+# The list of Yunohost users.
+ynh_users: 
+   - name: user1
+     pass: MYINSECUREPWD_PLZ_OVERRIDE_THIS
+     firstname: Jane
+     lastname: Doe 
+     mail_domain: domain.tld 
+
+# The list of Yunohost apps.
+ynh_apps: 
+  - label: WikiJS # Label is important, it's a reference for the Playbook.
+    link: wikijs # It can be the name of an official app or a git repo link.
+    args: # Provide args. Domain and pah are mandatory, for other args read manifest.json of app.
+      domain: wiki.domain.tld
+      path: /
+      admin: user1 
+      is_public: no
+  - label: Discourse
+    link: discourse 
+    args:
+      domain: forum.domain.tld
+      path: /
+      admin: user1 
+      is_public: yes
+```
+## Dépendances
+
+Aucune.
+
+## Exemple de Playbook
+```yml
+---
+- name: Install Yunohost on Debian Server
+  hosts: all
+  become: True
+  pre_tasks:
+    - name: Update all packages and index
+      ansible.builtin.apt:
+        upgrade: dist
+        update_cache: yes
+    
+  roles:
+    - ansible-yunohost
+```
+
+## License
+
+GPL-3.0

README.md

-ansible-yunohost
-=========
+# ansible-yunohost
+[🇫🇷 French version](README-FR.md)
 
 Deploy Yunohost with Ansible!
 
-Requirements
-------------
+## Requirements
 
 None.
 
-Role Variables
---------------
+## Role Variables
+Default variables are available in `default/main.yml` however it is necessary to override them according to your needs for Yunohost domains, users and apps.
 
-Example of Variables:
+## Example of Variables
 ```yml
-yunohost:
-  # Link to the install script
-  install_script_url: https://raw.githubusercontent.com/YunoHost/install_script/master/install_yunohost
-  # The main domain, then a list of other domains.
-  domain: example.com
-  extra_domains:
-    - example2.com
-    - example3.com
-  # Yunohost admin password
-  password: MYINSECUREPWD_PLZ_OVERRIDE_THIS
-  # If you don't want to use a noho.st url
-  ignore_dyndns: False
-  # The list of apps you want to install.
-  apps:
-    - label: Tiny Tiny RSS # Label is important, it's a reference for the Playbook.
-      link: ttrss # It can be the name of an official app or a github link
-      args: # Provide here args. Path and domain are mandatory, other args depend of the app (cf manifest.json of app).
-        path: /ttrss
-        domain: example.com
-  # The list of frontend users. 
-  users: 
-    - name: user1 # user which uses the default domain for its account
-      pass: p@ssw0rd
-      firstname: Jane
-      lastname: Doe
-      domain: '{{ domain }}'
-    - name: user2 # user which uses the first extra_domain for its account
-      pass: p@ssw0rd
-      firstname: John 
-      lastname: Doe
-      domain: '{{ extra_domain.[1] }}'
+---
+# Debian 10 script only.
+ynh_install_script_url: https://install.yunohost.org
+
+ynh_admin_password: MYINSECUREPWD_PLZ_OVERRIDE_THIS
+
+# The list of domains.
+ynh_main_domain: domain.tld
+ynh_extra_domains: 
+  - forum.domain.tld
+  - wiki.domain.tld
+ynh_ignore_dyndns_server: False
+
+# The list of Yunohost users.
+ynh_users: 
+   - name: user1
+     pass: MYINSECUREPWD_PLZ_OVERRIDE_THIS
+     firstname: Jane
+     lastname: Doe 
+     mail_domain: domain.tld 
+
+# The list of Yunohost apps.
+ynh_apps: 
+  - label: WikiJS # Label is important, it's a reference for the Playbook.
+    link: wikijs # It can be the name of an official app or a git repo link.
+    args: # Provide args. Domain and pah are mandatory, for other args read manifest.json of app.
+      domain: wiki.domain.tld
+      path: /
+      admin: user1 
+      is_public: no
+  - label: Discourse
+    link: discourse 
+    args:
+      domain: forum.domain.tld
+      path: /
+      admin: user1 
+      is_public: yes
 ```
 
-Dependencies
-------------
+## Dependencies
 
 None.
 
-Example Playbook
-----------------
+## Example Playbook
 ```yml
-- name: Provision servers
+---
+- name: Install Yunohost on Debian Server
   hosts: all
-  remote_user: root
+  become: True
   pre_tasks:
     - name: Update all packages and index
       ansible.builtin.apt:
         upgrade: dist
         update_cache: yes
-
+    
   roles:
-     - { role: sylvainar.yunohost }
+    - ansible-yunohost
 ```
 
-License
--------
+## License
 
 GPL-3.0

default/main.yml

-yunohost:
-  install_script_url: https://install.yunohost.org/
-  domain: example.com
-  extra_domains: ~
-  password: MYINSECUREPWD_PLZ_OVERRIDE_THIS
-  ignore_dyndns: False
-  apps: ~
-  users: ~
+---
+# Debian 10 script only. 
+ynh_install_script_url: https://install.yunohost.org
 
+ynh_admin_password: MYINSECUREPWD_PLZ_OVERRIDE_THIS
+
+# The list of Yunohost domains.
+ynh_main_domain: domain.tld
+ynh_extra_domains: null
+ynh_ignore_dyndns_server: False
+
+# The list of Yunohost users.
+ynh_users: null
+  # - name: user1
+  #   pass: p@ssw0rd
+  #   firstname: Jane
+  #   lastname: Doe
+  #   mail_domain: domain.tld
+
+# The list of Yunohost apps.
+ynh_apps: null
+  # - label: Tiny Tiny RSS # Label is important, it's a reference for the Playbook.
+  #   link: ttrss # It can be the name of an official ynh app or a git repo link
+  #   args: # Provide args here. Domain and path are mandatory, other args depend on the app (cf manifest.json of app).
+  #     domain: domain.tld
+  #     path: /ttrss

tasks/apps.yml

 ---
 - name: List currently installed apps
   ansible.builtin.shell: yunohost app map --output-as json
-  register: yunohost_installed_apps_raw
+  register: ynh_installed_apps_raw
   changed_when: False
 
 - name: Format json of apps
-  ansible.builtin.set_fact: yunohost_installed_apps="{{ yunohost_installed_apps_raw.stdout | from_json }}"
+  ansible.builtin.set_fact: ynh_installed_apps="{{ ynh_installed_apps_raw.stdout | from_json }}"
 
-- name: Install apps
-  ansible.builtin.shell: yunohost app install {{ item.link }} --label "{{ item.label }}" --args "{% for key, value in item.args.items() %}{{key}}={{value}}{% if not loop.last %}&{% endif %}{% endfor %}"
-  with_items: "{{ yunohost.apps }}"
-  when: item.label not in yunohost_installed_apps.values()
+- name: Install yunohost apps
+  ansible.builtin.shell: yunohost app install {{ item.link }} \
+     --label "{{ item.label }}" \
+     --args "{% for key, value in item.args.items() %}{{ key }}={{ value 
+    }}{% if not loop.last %}&{% endif %}{% endfor %}"
+  with_items: "{{ ynh_apps }}"
+  when: item.label not in ynh_installed_apps.values()

tasks/domains.yml

 ---
 - name: List currently installed domains
   ansible.builtin.shell: yunohost domain list --output-as json
-  register: yunohost_installed_domains_raw
+  register: ynh_installed_domains_raw
   changed_when: False
 
 - name: Format json of domains
-  ansible.builtin.set_fact: yunohost_installed_domains="{{ yunohost_installed_domains_raw.stdout | from_json }}"
+  ansible.builtin.set_fact: ynh_installed_domains="{{ ynh_installed_domains_raw.stdout | from_json }}"
 
 - name: Create domains
   ansible.builtin.shell: yunohost domain add {{ item }}
-  with_items: "{{ yunohost.extra_domains }}"
-  when: item not in yunohost_installed_domains.domains
+  with_items: "{{ ynh_extra_domains }}"
+  when: item not in ynh_installed_domains.domains

tasks/main.yml

@@ -8,43 +8,42 @@
 
 - name: Test if Yunohost is already installed
   ansible.builtin.stat: path=/etc/yunohost/installed
-  register: yunohost_file_install
+  register: ynh_file_install
 
-- name: Download install script
+- name: Download Yunohost install script
   ansible.builtin.get_url:
-    url: "{{ yunohost.install_script_url }}"
+    url: "{{ ynh_install_script_url }}"
     dest: /tmp/install_yunohost.sh
     mode: 700
-  when: yunohost_file_install.stat.exists == False
+  when: ynh_file_install.stat.exists == False
 
-- name: Launch script
+- name: Launch Yunohost install script
   ansible.builtin.command: /tmp/install_yunohost.sh -a
-  when: yunohost_file_install.stat.exists == False
+  when: ynh_file_install.stat.exists == False
 
-- name: Launch postinsstall
+- name: Launch Yunohost postinstall
   ansible.builtin.shell: "
     yunohost tools postinstall \
-      --domain {{ yunohost.domain }} \
-      --password {{ yunohost.password }} \
-      {% if yunohost.ignore_dyndns == True %} --ignore-dyndns {% endif %}
-      "
-  when: yunohost_file_install.stat.exists == False
+      --domain {{ ynh_main_domain }} \
+      --password {{ ynh_admin_password }} \
+      {% if ynh_ignore_dyndns_server == True %} --ignore-dyndns {% endif %}"
+  when: ynh_file_install.stat.exists == False
 
-- name: Create domains
+- name: Create extra domains
   ansible.builtin.include: domains.yml
-  when: yunohost.extra_domains
+  when: ynh_extra_domains
 
-- name: Run diagnosis # Required to install certificates
+- name: Run first Yunohost diagnosis
   ansible.builtin.shell: yunohost diagnosis run
 
-- name: Install certificates
+- name: Install domain certificates
   ansible.builtin.shell: yunohost domain cert-install
   changed_when: False
 
-- name: Add users
+- name: Add Yunohost users
   ansible.builtin.include: users.yml
-  when: yunohost.users
+  when: ynh_users
 
-- name: Install apps
+- name: Install Yunohost apps
   ansible.builtin.include: apps.yml
-  when: yunohost.apps
+  when: ynh_apps

tasks/users.yml

 ---
 - name: List users
   ansible.builtin.shell: yunohost user list --output-as json
-  register: yunohost_registered_users_raw
+  register: ynh_registered_users_raw
   changed_when: False
 
 - name: Format json of users
-  ansible.builtin.set_fact: yunohost_registered_users="{{ yunohost_registered_users_raw.stdout | from_json }}"
+  ansible.builtin.set_fact: ynh_registered_users="{{ ynh_registered_users_raw.stdout | from_json }}"
 
-- name: Create missing users
+- name: Create missing Yunohost users
   ansible.builtin.shell: |
     yunohost user create {{ item.name }} \
     -f {{ item.firstname }} \
     -l {{ item.lastname }} \
     -d {{ item.mail_domain }} \
     -p {{ item.pass }}
-  loop: "{{ yunohost.users }}"
-  when: item.name not in yunohost_registered_users.users.keys()
+  loop: "{{ ynh_users }}"
+  when: item.name not in ynh_registered_users.users.keys()