add docker role

roles/docker/defaults/main.yaml

@@ -0,0 +1,11 @@
+---
+docker_package_name:
+  - docker-ce
+  - docker-ce-cli
+  - containerd.io
+  - docker-compose-plugin
+docker_package_state: present
+
+docker_service_name: docker.service
+docker_service_state: started
+docker_service_enabled: true

roles/docker/tasks/Debian.yaml

@@ -0,0 +1,13 @@
+---
+- name: install apt key
+  apt_key:
+    url: "https://download.docker.com/linux/{{ ansible_lsb.id | lower }}/gpg"
+    state: present
+
+- name: install apt repo
+  apt_repository:
+    repo: >
+      deb [arch=amd64] https://download.docker.com/linux/{{ ansible_lsb.id | lower }}
+      {{ ansible_lsb.codename }}
+      stable
+    filename: docker

roles/docker/tasks/RedHat.yaml

@@ -0,0 +1,9 @@
+---
+- name: install Docker CE yum repo
+  yum_repository:
+    name: docker-ce
+    description: Docker CE Stable - $basearch
+    baseurl: https://download.docker.com/linux/centos/$releasever/$basearch/stable
+    enabled: 1
+    gpgcheck: 1
+    gpgkey: https://download.docker.com/linux/centos/gpg

roles/docker/tasks/configure.yaml

@@ -0,0 +1,6 @@
+---
+- name: manage service
+  service:
+    name: "{{ docker_service_name }}"
+    state: "{{ docker_service_state }}"
+    enabled: "{{ docker_service_enabled }}"

roles/docker/tasks/install.yaml

@@ -0,0 +1,6 @@
+---
+- name: install docker
+  package:
+    name: "{{ item }}"
+    state: "{{ docker_package_state }}"
+  loop: "{{ docker_package_name }}"

roles/docker/tasks/main.yaml

@@ -0,0 +1,28 @@
+---
+- name: gather os specific variables
+  include_vars: "{{ lookup('first_found', possible_files) }}"
+  vars:
+    possible_files:
+      files:
+        - "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yaml"
+        - "{{ ansible_distribution }}.yaml"
+        - "{{ ansible_os_family }}.yaml"
+        - "default.yaml"
+      paths:
+        - vars
+
+- name: include os specific tasks
+  include_tasks: "{{ lookup('first_found', possible_files) }}"
+  vars:
+    possible_files:
+      files:
+        - "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yaml"
+        - "{{ ansible_distribution }}.yaml"
+        - "{{ ansible_os_family }}.yaml"
+        - "default.yaml"
+      paths:
+        - tasks
+
+- include: install.yaml
+
+- include: configure.yaml