refactor!(docker): Remove centos support & fix install on other redhat dists

roles/docker/defaults/main.yml

@@ -42,11 +42,11 @@ docker_install_repository: true
 
 # The repository settings
 # The repository will be added as a repository to allow downloading/installing the package
-docker_yum_repository_url: https://download.docker.com/linux/centos/docker-{{ docker_edition }}.repo
+docker_yum_repository_url: https://download.docker.com/linux/{{ ansible_distribution | lower }}/docker-{{ docker_edition }}.repo
 docker_yum_repository_destination: /etc/yum.repos.d/docker-{{ docker_edition }}.repo
 
 # Where to fetch the docker repository GPG key from
-docker_yum_repository_gpg_key: https://download.docker.com/linux/centos/gpg
+docker_yum_repository_gpg_key: https://download.docker.com/linux/{{ ansible_distribution | lower }}/gpg
 
 # The apt repository settings
 docker_apt_key_id: "9DC858229FC7DD38854AE2D88D81803C0EBFCD88"

roles/docker/meta/main.yml

@@ -6,9 +6,6 @@ galaxy_info:
   standalone: true
 
   platforms:
-    - name: EL
-      versions:
-        - all
     - name: Fedora
       versions:
         - all

roles/docker/tasks/Rocky.yml

@@ -1,55 +0,0 @@
----
-# Tasks file for the docker role
-
-# Infrastructure
-# Ansible instructions to deploy the infrastructure
-#
-# Copyright (C) 2020       Saibotk
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 3 of the License.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-- name: Ensure old versions of Docker are not installed.
-  ansible.builtin.package:
-    name:
-      - docker
-      - docker-common
-      - docker-engine
-    state: absent
-  become: true
-
-- name: Ensure buildah & runc are not installed.
-  ansible.builtin.package:
-    name:
-      - buildah
-      - runc
-    state: absent
-  become: true
-
-- name: Add Docker GPG key.
-  ansible.builtin.rpm_key:
-    key: "{{ docker_yum_repository_gpg_key }}"
-    state: present
-  when:
-    - docker_install_repository
-  become: true
-
-- name: Add Docker repository.
-  ansible.builtin.get_url:
-    url: "{{ docker_yum_repository_url }}"
-    dest: "{{ docker_yum_repository_destination }}"
-    owner: root
-    group: root
-    mode: "0644"
-  when:
-    - docker_install_repository
-  become: true