Adding support for proxy

defaults/main.yml

@@ -3,6 +3,10 @@ consul_ip: 127.0.0.1
 docker_clusterstore: no
 dockerpy: no
 vagrant: no
+docker_proxy: no
+docker_http_proxy: ""
+docker_https_proxy: ""
+docker_no_proxy: ""
 upgrade_docker: false
 default_docker_config:
   storage-driver: devicemapper

tasks/main.yml

@@ -31,6 +31,20 @@
     docker_json: '{{ docker_json | combine({"cluster-store": "consul://{{ consul_ip }}:8500"})}}'
   when: docker_clusterstore
 
+- name: create directory for proxy file
+  file:
+    path: /etc/systemd/system/docker.service.d
+    state: directory
+  when: docker_proxy
+
+- name: create http-proxy.conf
+  template:
+    src: http-proxy.j2.conf
+    dest: /etc/systemd/system/docker.service.d/http-proxy.conf
+  notify:
+    - reload unit
+    - restart docker
+
 - name: ensure daemon config file is present
   template:
     src: daemon.j2.json

templates/http-proxy.j2.conf

@@ -0,0 +1,2 @@
+[Service]
+Environment="HTTP_PROXY={{ docker_http_proxy }}" "HTTPS_PROXY={{ docker_https_proxy }}" "NO_PROXY={{ docker_no_proxy }}"