install ansible deps with yum

defaults/main.yml

@@ -6,7 +6,6 @@ dockerengine_packages:
 # The role requires epel repository and pip to work .You can use 
 # `dockerengine_packages_extra` to install these dependencys.
 # @end
-# @var dockerengine_packages_extra:example: $ ["epel-release", "python2-pip"]
 dockerengine_packages_extra: []
 
 dockerengine_packages_python:

molecule/default/playbook.yml

@@ -1,11 +1,6 @@
 ---
 - name: Converge
   hosts: all
-  vars:
-    dockerengine_packages_extra:
-      - epel-release
-      - python2-pip
-
   roles:
     - role: xoxys.python3
     - role: xoxys.docker-engine

tasks/install.yml

@@ -10,7 +10,7 @@
       package:
         name: "{{ item }}"
         state: present
-      loop: "{{ dockerengine_packages }}"
+      loop: "{{ dockerengine_packages + __docker_ansible_deps }}"
 
     - name: Install python packages
       pip:
@@ -22,11 +22,3 @@
         label: "{{ item.name }}"
   become: True
   become_user: root
-
-- name: Install ansible requirements
-  pip:
-    name: "{{ item }}"
-    state: present
-    extra_args: --user -I
-  loop:
-    - docker 

vars/main.yml

@@ -0,0 +1,3 @@
+---
+__docker_ansible_deps:
+  - python-docker-py