[UPD] ansible-lint

.ansible-lint

+---
+warn_list:  # or 'skip_list' to silence them completely
+    - git-latest  # Git checkouts must contain explicit version
+    - ignore-errors  # Use failed_when and specify error conditions instead of using ignore_errors
+    - no-changed-when  # Commands should not change things if nothing needs doing
+    - no-handler  # Tasks that run when changed should likely be handlers
+    - package-latest  # Package installs should not use latest

.yamllint

+---
+# Based on ansible-lint config
+extends: default
+
+rules:
+    braces:
+        max-spaces-inside: 1
+        level: error
+    brackets:
+        max-spaces-inside: 1
+        level: error
+    colons:
+        max-spaces-after: -1
+        level: error
+    commas:
+        max-spaces-after: -1
+        level: error
+    # comments enable
+    comments: enable
+    comments-indentation: enable
+    document-start: enable
+    empty-lines:
+        max: 3
+        level: error
+    hyphens:
+        level: error
+    indentation:
+        level: warning
+        indent-sequences: consistent
+        spaces: 4
+        check-multi-line-strings: true
+    key-duplicates: enable
+    line-length: disable
+    new-line-at-end-of-file: enable
+    new-lines:
+        type: unix
+    # trailing-spaces enable
+    trailing-spaces: enable
+    truthy: enable

handlers/main.yml

 ---
 # handlers file for gitlab
-- name: reconfigure gitlab
-  command: gitlab-ctl reconfigure
+- name: Reconfigure gitlab
+  ansible.builtin.command: gitlab-ctl reconfigure

meta/main.yml

 ---
 galaxy_info:
-  author: Rémi
+    author: lefilament
     description: Role for deploying and configuring GitLab CE edition
     company: Le Filament (https://le-filament.com)
     license: AGPL-3.0-or-later
-  min_ansible_version: 2.1
+    min_ansible_version: "2.1"
     platforms:
         - name: Ubuntu
           versions:

tasks/main.yml

 ---
 
 - name: Install apt-transport-https package
-  package:
+  ansible.builtin.package:
       name: apt-transport-https
       state: latest
   async: 120
@@ -10,20 +10,20 @@
 
 # INSTALLATION
 - name: Add GitLab GPG key to APT
-  get_url:
+  ansible.builtin.get_url:
       url: "{{ gitlab_gpg_key_url }}"
       dest: /etc/apt/trusted.gpg.d/gitlab.asc
       mode: '0644'
   when: ansible_os_family == "Debian"
 
 - name: Add GitLab repo to APT repositories
-  apt_repository:
+  ansible.builtin.apt_repository:
       repo: deb {{ gitlab_packages_url }}/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} main
       update_cache: true
   when: ansible_os_family == "Debian"
 
 - name: Install GitLab package
-  package:
+  ansible.builtin.package:
       name: "{{ packages_to_install }}"
       state: latest
   async: 900
@@ -31,30 +31,29 @@
   when: not ansible_check_mode
 
 - name: Check installed GitLab package
-  package:
+  ansible.builtin.package:
       name: gitlab-ce
       state: latest
   when: ansible_check_mode
 
 - name: Install necessary python modules
-  pip:
+  ansible.builtin.pip:
       name: ['python-swiftclient', 'python-keystoneclient']
       state: latest
 
 # CONFIGURATION
 - name: Install gitlab configuration file
-  template:
+  ansible.builtin.template:
       src: gitlab.rb.j2
       dest: "/etc/gitlab/gitlab.rb"
       owner: root
       group: root
       mode: '0600'
-  notify: reconfigure gitlab
-
+  notify: Reconfigure gitlab
 
 # BACKUP
 - name: Copy Backup scripts on server
-  template:
+  ansible.builtin.template:
       src: "{{ item }}.j2"
       dest: /root/{{ item }}
       owner: root
@@ -64,7 +63,7 @@
   when: inventory_hostname in groups.maintenance_contract
 
 - name: Add cron job to execute backup
-  cron:
+  ansible.builtin.cron:
       name: "{{ item.name }}"
       minute: "{{ item.minute | default('*') }}"
       hour: "{{ item.hour | default('*') }}"