fix: allow to overwrite ansible deps

defaults/main.yml

@@ -12,6 +12,11 @@ dockerengine_packages:
 # @end
 dockerengine_packages_extra: []
 
+docker_ansible_deps:
+  - cryptography~=2.0
+  - docker-compose~=1.24.0
+  - docker
+
 dockerengine_service: docker
 
 dockerengine_docker_group_enabled: False

tasks/install.yml

@@ -20,7 +20,7 @@
       pip:
         name: "{{ item }}"
         virtualenv: /opt/python2/ansible-deps
-      loop: "{{ __docker_ansible_deps }}"
+      loop: "{{ docker_ansible_deps }}"
 
     - name: Add docker-compose wrapper
       template:

vars/main.yml

@@ -1,5 +0,0 @@
----
-__docker_ansible_deps:
-  - cryptography~=2.0
-  - docker-compose~=1.24.0
-  - docker