Proxy Configuration Added

README.md

@@ -30,10 +30,21 @@ define which version you are going to use just by replacing it with something li
 You can find the versions list and their changelogs from [releases page](https://github.com/hamidyousefi/ansible-docker/releases).
 
 ## Additional Extensions and Configurations
-I added two specific extra feature to this role. `docker-compose` and `iptables` can be set up easily just
+I added three specific extra feature to this role. `docker-compose` and `iptables` can be set up easily just
 by adding the below block in your `group_vars` related YAML file:
 ```yaml
 configure:
   compose: yes
   iptables: yes
+  proxy: no
+```
+
+## HTTP(S) Proxies
+If you have to configure http and (or) https proxy on your docker, you can change
+the ```proxy``` parameter in above section from ```no``` to ```yes```, and add below
+variables into necessary host or group variables.
+```yaml
+docker_proxy:
+  http: 'http://your-server:80'
+  https: 'https://your-server:443'
 ```

defaults/main.yml

@@ -6,3 +6,8 @@ extensions:
 configure:
   compose: no
   iptables: no
+  proxy: no
+
+docker_proxy:
+  http: 'http://server:80'
+  https: 'https://server:443'

tasks/main.yml

@@ -27,5 +27,24 @@
     mode: '0655'
   when: configure.compose
 
+- name: configure proxy if defined
+  block:
+    - name: create systemd necessary directory
+      file:
+        path: /etc/systemd/system/docker.service.d
+        state: directory
+        owner: root
+        group: root
+        mode: '0755'
+
+    - name: create systemd service config file
+      template:
+        src: proxy.conf.j2
+        dest: /etc/systemd/system/docker.service.d/proxy.conf
+        owner: root
+        group: root
+        mode: '0644'
+  when: configure.proxy
+
 - include: iptables.yml
   when: configure.iptables

templates/proxy.conf.j2

@@ -0,0 +1,3 @@
+[Service]
+Environment="HTTP_PROXY={{ docker_proxy.http }}"
+Environment="HTTPS_PROXY={{ docker_proxy.https }}"