Add possibility to install docker to Amazon Linux

README.md

@@ -104,6 +104,9 @@ Many users of this role wish to also use Ansible to then _build_ Docker images a
     - geerlingguy.pip
     - geerlingguy.docker
 ```
+## About Amazon Linux
+
+Installation of docker-ce comes from amazon-linux-extras packages
 
 ## Dependencies
 

meta/main.yml

@@ -31,6 +31,9 @@ galaxy_info:
     - name: ArchLinux
       versions:
         - all
+    - name: Amazon
+      versions:
+        - 2
   galaxy_tags:
     - web
     - system

tasks/main.yml

@@ -11,44 +11,51 @@
         - 'vars'
 
 - include_tasks: setup-RedHat.yml
-  when: ansible_os_family == 'RedHat'
+  when: ansible_os_family == 'RedHat' and ansible_distribution != 'Amazon'
+
+- include_tasks: setup-Amazon.yml
+  when: ansible_distribution == 'Amazon'
 
 - include_tasks: setup-Debian.yml
   when: ansible_os_family == 'Debian'
 
-- name: Install Docker packages.
-  package:
-    name: "{{ docker_packages }}"
-    state: "{{ docker_packages_state }}"
-  notify: restart docker
-  ignore_errors: "{{ ansible_check_mode }}"
-  when: "ansible_version.full is version_compare('2.12', '<') or ansible_os_family not in ['RedHat', 'Debian']"
+- block:
 
-- name: Install Docker packages (with downgrade option).
-  package:
-    name: "{{ docker_packages }}"
-    state: "{{ docker_packages_state }}"
-    allow_downgrade: true
-  notify: restart docker
-  ignore_errors: "{{ ansible_check_mode }}"
-  when: "ansible_version.full is version_compare('2.12', '>=') and ansible_os_family in ['RedHat', 'Debian']"
+    - name: Install Docker packages.
+      package:
+        name: "{{ docker_packages }}"
+        state: "{{ docker_packages_state }}"
+      notify: restart docker
+      ignore_errors: "{{ ansible_check_mode }}"
+      when: "ansible_version.full is version_compare('2.12', '<') or ansible_os_family not in ['RedHat', 'Debian']"
 
-- name: Install docker-compose plugin.
-  package:
-    name: "{{ docker_compose_package }}"
-    state: "{{ docker_compose_package_state }}"
-  notify: restart docker
-  ignore_errors: "{{ ansible_check_mode }}"
-  when: "docker_install_compose_plugin | bool == true and (ansible_version.full is version_compare('2.12', '<') or ansible_os_family not in ['RedHat', 'Debian'])"
+    - name: Install Docker packages (with downgrade option).
+      package:
+        name: "{{ docker_packages }}"
+        state: "{{ docker_packages_state }}"
+        allow_downgrade: true
+      notify: restart docker
+      ignore_errors: "{{ ansible_check_mode }}"
+      when: "ansible_version.full is version_compare('2.12', '>=') and ansible_os_family in ['RedHat', 'Debian']"
 
-- name: Install docker-compose-plugin (with downgrade option).
-  package:
-    name: "{{ docker_compose_package }}"
-    state: "{{ docker_compose_package_state }}"
-    allow_downgrade: true
-  notify: restart docker
-  ignore_errors: "{{ ansible_check_mode }}"
-  when: "docker_install_compose_plugin | bool == true and ansible_version.full is version_compare('2.12', '>=') and ansible_os_family in ['RedHat', 'Debian']"
+    - name: Install docker-compose plugin.
+      package:
+        name: "{{ docker_compose_package }}"
+        state: "{{ docker_compose_package_state }}"
+      notify: restart docker
+      ignore_errors: "{{ ansible_check_mode }}"
+      when: "docker_install_compose_plugin | bool == true and (ansible_version.full is version_compare('2.12', '<') or ansible_os_family not in ['RedHat', 'Debian'])"
+
+    - name: Install docker-compose-plugin (with downgrade option).
+      package:
+        name: "{{ docker_compose_package }}"
+        state: "{{ docker_compose_package_state }}"
+        allow_downgrade: true
+      notify: restart docker
+      ignore_errors: "{{ ansible_check_mode }}"
+      when: "docker_install_compose_plugin | bool == true and ansible_version.full is version_compare('2.12', '>=') and ansible_os_family in ['RedHat', 'Debian']"
+
+  when: ansible_distribution != 'Amazon'
 
 - name: Ensure /etc/docker/ directory exists.
   file:

tasks/setup-Amazon.yml

@@ -0,0 +1,23 @@
+---
+- name: Ensure a list of yum packages are installed on Amazon Linux
+  package:
+    name: "{{ packages }}"
+    state: present
+  vars:
+    packages:
+      - python-pip
+      - yum-utils
+      - device-mapper-persistent-data
+      - lvm2
+      - amazon-linux-extras
+
+- name: Add extras repository
+  command: yum-config-manager --enable extras
+  register: yum_config_manager_output
+  changed_when: yum_config_manager_output.rc != 0
+
+- name: Install docker-ce from amazon-linux-extras packages
+  package:
+    name: "{{ docker_packages }}"
+    state: "{{ docker_packages_state }}"
+  notify: restart docker

vars/Amazon.yml

@@ -0,0 +1,2 @@
+---
+docker_packages: "docker"