Fix proxy settings for Docker daemon (#196)

* fix: is_systemd toggle

the wrong fact was used to get distribution name

* fix: systemd proxy configuration

It is possible to use multiple Environment statements
A single Environment statement with multiple variables does not work

tasks/main.yml

@@ -59,7 +59,7 @@
     state: present
     update_cache: yes
     cache_valid_time: "{{ docker_apt_cache_valid_time }}"
-  
+
 - name: Add Docker repository key
   apt_key:
     id: "{{ apt_key_sig }}"
@@ -100,7 +100,7 @@
 - name: Set systemd playbook var
   set_fact:
     is_systemd: true
-  when: ( ansible_distribution_release == "Ubuntu" and ansible_distribution_version|version_compare('15.04', '>=') or ansible_distribution == "Debian" )
+  when: ( ansible_distribution == "Ubuntu" and ansible_distribution_version|version_compare('15.04', '>=') or ansible_distribution == "Debian" )
   tags: always
 
 - name: Set docker_http_proxy_defined flag
@@ -277,7 +277,9 @@
   copy:
     content: |
       [Service]
-      Environment="{% if docker_http_proxy_defined %}http_proxy={{ docker_http_proxy }}{% endif %} {% if docker_https_proxy_defined %}https_proxy={{ docker_https_proxy }}{% endif %} no_proxy={{ docker_no_proxy | default('') }}"
+      Environment="{% if docker_http_proxy_defined %}http_proxy={{ docker_http_proxy }}{% endif %}"
+      Environment="{% if docker_https_proxy_defined %}https_proxy={{ docker_https_proxy }}{% endif %}"
+      Environment="no_proxy={{ docker_no_proxy | default('') }}"
     dest: /etc/systemd/system/docker.service.d/proxy.conf
     owner: root
     group: root