added flatpak, docker, packages, base, etc roles

roles/docker/tasks/main.yml

@@ -0,0 +1,47 @@
+---
+- name: Ensure old versions of Docker are not installed.
+  package:
+    name:
+      - docker
+      - docker-common
+      - docker-engine
+    state: absent
+
+- name: Add Docker GPG key.
+  rpm_key:
+    key: "{{ docker_yum_gpg_key }}"
+    state: present
+
+- name: Add Docker repository.
+  get_url:
+    url: "{{ docker_yum_repo_url }}"
+    dest: '/etc/yum.repos.d/docker-{{ docker_edition }}.repo'
+    owner: root
+    group: root
+    mode: 0644
+
+- name: Ensure Docker Users are in Docker Group
+  user:
+    name: "{{ item }}"
+    groups: docker
+    append: true
+  with_items: "{{ docker_users }}"
+
+- name: Install Docker.
+  package:
+    name: "{{ docker_package }}"
+    state: "{{ docker_package_state }}"
+  notify: restart docker
+
+- name: Ensure /etc/docker/ directory exists.
+  file:
+    path: /etc/docker
+    state: directory
+    mode: 0755
+
+- name: Ensure Docker is started and enabled at boot.
+  service:
+    name: docker
+    state: "{{ docker_service_state }}"
+    enabled: "{{ docker_service_enabled }}"
+  ignore_errors: "{{ ansible_check_mode }}"

roles/docker/vars/main.yml

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+---