Improve proxy (#1771)

* Set no_proxy to all local ips

* Use proxy settings on all necessary tasks

roles/docker/tasks/main.yml

@@ -40,6 +40,7 @@
   until: keyserver_task_result|succeeded
   retries: 4
   delay: "{{ retry_stagger | random + 3 }}"
+  environment: "{{ proxy_env }}"
   with_items: "{{ docker_repo_key_info.repo_keys }}"
   when: not (ansible_os_family in ["CoreOS", "Container Linux by CoreOS"] or is_atomic)
 
@@ -67,6 +68,7 @@
   until: docker_task_result|succeeded
   retries: 4
   delay: "{{ retry_stagger | random + 3 }}"
+  environment: "{{ proxy_env }}"
   with_items: "{{ docker_package_info.pkgs }}"
   notify: restart docker
   when: not (ansible_os_family in ["CoreOS", "Container Linux by CoreOS"] or is_atomic) and (docker_package_info.pkgs|length > 0)